September 2015 - LKP - Ml01.01.Org

Re: [LKP] [rcu] kernel BUG at include/linux/pagemap.h:149!

by Frederic Weisbecker

On Fri, Sep 11, 2015 at 10:19:47AM +0800, Boqun Feng wrote: > Subject: [PATCH 01/27] rcu: Don't disable preemption for Tiny and Tree RCU > readers > > Because preempt_disable() maps to barrier() for non-debug builds, > it forces the compiler to spill and reload registers. Because Tree > RCU and Tiny RCU now only appear in CONFIG_PREEMPT=n builds, these > barrier() instances generate needless extra code for each instance of > rcu_read_lock() and rcu_read_unlock(). This extra code slows down Tree > RCU and bloats Tiny RCU. > > This commit therefore removes the preempt_disable() and preempt_enable() > from the non-preemptible implementations of __rcu_read_lock() and > __rcu_read_unlock(), respectively. > > For debug purposes, preempt_disable() and preempt_enable() are still > kept if CONFIG_PREEMPT_COUNT=y, which makes the detection of sleeping > inside atomic sections still work in non-preemptible kernels. > > Signed-off-by: Boqun Feng <boqun.feng(a)gmail.com> > Signed-off-by: Paul E. McKenney <paulmck(a)linux.vnet.ibm.com> > --- > include/linux/rcupdate.h | 6 ++++-- > include/linux/rcutiny.h | 1 + > kernel/rcu/tree.c | 9 +++++++++ > 3 files changed, 14 insertions(+), 2 deletions(-) > > diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h > index d63bb77..6c3cece 100644 > --- a/include/linux/rcupdate.h > +++ b/include/linux/rcupdate.h > @@ -297,12 +297,14 @@ void synchronize_rcu(void); > > static inline void __rcu_read_lock(void) > { > - preempt_disable(); > + if (IS_ENABLED(CONFIG_PREEMPT_COUNT)) > + preempt_disable(); preempt_disable() is a no-op when !CONFIG_PREEMPT_COUNT, right? Or rather it's a barrier(), which is anyway implied by rcu_read_lock(). So perhaps we can get rid of the IS_ENABLED() check?

1 year, 10 months

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[lkp] [sched/fair] 98d8fd8126: -20.8% hackbench.throughput

by kernel test robot

FYI, we noticed the below changes on https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched/core commit 98d8fd8126676f7ba6e133e65b2ca4b17989d32c ("sched/fair: Initialize task load and utilization before placing task on rq") ========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/nr_threads/mode/ipc: lkp-ws02/hackbench/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/1600%/process/pipe commit: 231678b768da07d19ab5683a39eeb0c250631d02 98d8fd8126676f7ba6e133e65b2ca4b17989d32c 231678b768da07d1 98d8fd8126676f7ba6e133e65b ---------------- -------------------------- %stddev %change %stddev \ | \ 188818 ± 1% -20.8% 149585 ± 1% hackbench.throughput 81712173 ± 4% +211.8% 2.548e+08 ± 1% hackbench.time.involuntary_context_switches 21611286 ± 0% -19.2% 17453366 ± 1% hackbench.time.minor_page_faults 2226 ± 0% +1.3% 2255 ± 0% hackbench.time.percent_of_cpu_this_job_got 12445 ± 0% +2.1% 12704 ± 0% hackbench.time.system_time 2.494e+08 ± 3% +118.5% 5.448e+08 ± 1% hackbench.time.voluntary_context_switches 1097790 ± 0% +50.6% 1653664 ± 1% softirqs.RCU 554877 ± 3% +137.8% 1319318 ± 1% vmstat.system.cs 89017 ± 4% +187.8% 256235 ± 1% vmstat.system.in 1.312e+08 ± 1% -16.0% 1.102e+08 ± 4% numa-numastat.node0.local_node 1.312e+08 ± 1% -16.0% 1.102e+08 ± 4% numa-numastat.node0.numa_hit 1.302e+08 ± 1% -34.9% 84785305 ± 5% numa-numastat.node1.local_node 1.302e+08 ± 1% -34.9% 84785344 ± 5% numa-numastat.node1.numa_hit 302.00 ± 1% -19.2% 244.00 ± 1% time.file_system_outputs 81712173 ± 4% +211.8% 2.548e+08 ± 1% time.involuntary_context_switches 21611286 ± 0% -19.2% 17453366 ± 1% time.minor_page_faults 2.494e+08 ± 3% +118.5% 5.448e+08 ± 1% time.voluntary_context_switches 92.88 ± 0% +1.3% 94.13 ± 0% turbostat.%Busy 2675 ± 0% +1.8% 2723 ± 0% turbostat.Avg_MHz 4.44 ± 1% -24.9% 3.34 ± 2% turbostat.CPU%c1 0.98 ± 2% -32.2% 0.66 ± 3% turbostat.CPU%c3 2.79e+08 ± 4% -25.2% 2.086e+08 ± 6% cpuidle.C1-NHM.time 1.235e+08 ± 4% -28.6% 88251264 ± 7% cpuidle.C1E-NHM.time 243525 ± 4% -21.9% 190252 ± 8% cpuidle.C1E-NHM.usage 1.819e+08 ± 2% -25.8% 1.35e+08 ± 1% cpuidle.C3-NHM.time 260585 ± 1% -20.4% 207474 ± 2% cpuidle.C3-NHM.usage 266207 ± 1% -39.4% 161453 ± 3% cpuidle.C6-NHM.usage 493467 ± 0% +26.5% 624337 ± 0% meminfo.Active 395397 ± 0% +33.0% 525811 ± 0% meminfo.Active(anon) 372719 ± 1% +34.2% 500207 ± 1% meminfo.AnonPages 4543041 ± 1% +37.5% 6248687 ± 1% meminfo.Committed_AS 185265 ± 1% +16.3% 215373 ± 0% meminfo.KernelStack 302233 ± 1% +37.1% 414289 ± 1% meminfo.PageTables 333827 ± 0% +18.6% 396038 ± 0% meminfo.SUnreclaim 380340 ± 0% +16.6% 443518 ± 0% meminfo.Slab 51154 ±143% -100.0% 5.00 ±100% latency_stats.avg.call_rwsem_down_write_failed.copy_process._do_fork.SyS_clone.entry_SYSCALL_64_fastpath 0.00 ± -1% +Inf% 30679 ±100% latency_stats.avg.proc_cgroup_show.proc_single_show.seq_read.__vfs_read.vfs_read.SyS_read.entry_SYSCALL_64_fastpath 7795 ±100% +1304.6% 109497 ± 93% latency_stats.max.blk_execute_rq.scsi_execute.scsi_execute_req_flags.ses_recv_diag.[ses].ses_get_page2_descriptor.[ses].ses_get_power_status.[ses].ses_enclosure_data_process.[ses].ses_intf_add.[ses].class_interface_register.scsi_register_interface.0xffffffffa0006013.do_one_initcall 297190 ±117% -100.0% 23.00 ±100% latency_stats.max.call_rwsem_down_write_failed.copy_process._do_fork.SyS_clone.entry_SYSCALL_64_fastpath 0.00 ± -1% +Inf% 97905 ±109% latency_stats.max.proc_cgroup_show.proc_single_show.seq_read.__vfs_read.vfs_read.SyS_read.entry_SYSCALL_64_fastpath 12901 ±131% -78.9% 2717 ±135% latency_stats.max.wait_on_page_bit.wait_on_page_read.do_read_cache_page.read_cache_page_gfp.btrfs_scan_one_device.[btrfs].btrfs_control_ioctl.[btrfs].do_vfs_ioctl.SyS_ioctl.entry_SYSCALL_64_fastpath 392778 ±128% -100.0% 75.50 ±100% latency_stats.sum.call_rwsem_down_write_failed.copy_process._do_fork.SyS_clone.entry_SYSCALL_64_fastpath 13678 ± 75% -68.1% 4368 ± 67% latency_stats.sum.flush_work.__cancel_work_timer.cancel_delayed_work_sync.disk_block_events.__blkdev_get.blkdev_get.blkdev_get_by_path.btrfs_scan_one_device.[btrfs].btrfs_control_ioctl.[btrfs].do_vfs_ioctl.SyS_ioctl.entry_SYSCALL_64_fastpath 19088 ±101% -100.0% 8.67 ±110% latency_stats.sum.path_openat.do_filp_open.do_sys_open.SyS_open.entry_SYSCALL_64_fastpath 0.00 ± -1% +Inf% 139824 ±104% latency_stats.sum.proc_cgroup_show.proc_single_show.seq_read.__vfs_read.vfs_read.SyS_read.entry_SYSCALL_64_fastpath 17538 ± 95% -71.0% 5094 ± 72% latency_stats.sum.wait_on_page_bit.wait_on_page_read.do_read_cache_page.read_cache_page_gfp.btrfs_scan_one_device.[btrfs].btrfs_control_ioctl.[btrfs].do_vfs_ioctl.SyS_ioctl.entry_SYSCALL_64_fastpath 99221 ± 1% +32.5% 131458 ± 0% proc-vmstat.nr_active_anon 93610 ± 1% +33.5% 124954 ± 0% proc-vmstat.nr_anon_pages 11604 ± 1% +16.4% 13503 ± 0% proc-vmstat.nr_kernel_stack 75770 ± 1% +36.6% 103508 ± 1% proc-vmstat.nr_page_table_pages 83664 ± 0% +18.6% 99265 ± 0% proc-vmstat.nr_slab_unreclaimable 2.615e+08 ± 1% -25.4% 1.95e+08 ± 1% proc-vmstat.numa_hit 2.615e+08 ± 1% -25.4% 1.95e+08 ± 1% proc-vmstat.numa_local 2151 ± 9% +33.7% 2875 ± 7% proc-vmstat.pgactivate 53318467 ± 1% -16.3% 44611139 ± 4% proc-vmstat.pgalloc_dma32 2.124e+08 ± 1% -27.6% 1.538e+08 ± 2% proc-vmstat.pgalloc_normal 21951016 ± 0% -17.9% 18028538 ± 1% proc-vmstat.pgfault 2.656e+08 ± 1% -25.3% 1.983e+08 ± 1% proc-vmstat.pgfree 231019 ± 6% +19.0% 274944 ± 3% numa-meminfo.node0.Active 182158 ± 8% +24.4% 226602 ± 4% numa-meminfo.node0.Active(anon) 4049 ± 0% -100.0% 0.00 ± -1% numa-meminfo.node0.AnonHugePages 171061 ± 5% +28.8% 220397 ± 3% numa-meminfo.node0.AnonPages 253455 ± 4% -5.4% 239791 ± 4% numa-meminfo.node0.FilePages 9402 ± 3% -90.3% 915.75 ± 39% numa-meminfo.node0.Inactive(anon) 10253 ± 0% -50.8% 5041 ± 1% numa-meminfo.node0.Mapped 131300 ± 9% +25.1% 164194 ± 7% numa-meminfo.node0.PageTables 20469 ± 54% -65.5% 7058 ±145% numa-meminfo.node0.Shmem 235929 ± 5% +43.0% 337441 ± 1% numa-meminfo.node1.Active 186748 ± 8% +53.8% 287257 ± 1% numa-meminfo.node1.Active(anon) 175187 ± 5% +52.9% 267826 ± 5% numa-meminfo.node1.AnonPages 1249 ± 39% +676.4% 9697 ± 4% numa-meminfo.node1.Inactive(anon) 105601 ± 9% +39.4% 147194 ± 10% numa-meminfo.node1.KernelStack 5032 ± 1% +103.5% 10238 ± 0% numa-meminfo.node1.Mapped 1028697 ± 5% +40.4% 1444560 ± 5% numa-meminfo.node1.MemUsed 147371 ± 7% +62.4% 239296 ± 7% numa-meminfo.node1.PageTables 185026 ± 7% +43.2% 264909 ± 10% numa-meminfo.node1.SUnreclaim 209508 ± 7% +38.5% 290116 ± 9% numa-meminfo.node1.Slab 45770 ± 7% +24.9% 57169 ± 3% numa-vmstat.node0.nr_active_anon 42981 ± 4% +29.4% 55616 ± 3% numa-vmstat.node0.nr_anon_pages 63378 ± 4% -5.4% 59946 ± 4% numa-vmstat.node0.nr_file_pages 2351 ± 3% -90.3% 228.25 ± 38% numa-vmstat.node0.nr_inactive_anon 2589 ± 1% -51.6% 1253 ± 0% numa-vmstat.node0.nr_mapped 32990 ± 8% +25.6% 41423 ± 7% numa-vmstat.node0.nr_page_table_pages 5131 ± 54% -65.6% 1763 ±145% numa-vmstat.node0.nr_shmem 64745848 ± 2% -13.8% 55814423 ± 2% numa-vmstat.node0.numa_hit 64743896 ± 2% -13.9% 55752339 ± 2% numa-vmstat.node0.numa_local 1951 ± 91% +3081.4% 62084 ± 1% numa-vmstat.node0.numa_other 45977 ± 8% +57.0% 72172 ± 1% numa-vmstat.node1.nr_active_anon 43078 ± 7% +56.1% 67261 ± 3% numa-vmstat.node1.nr_anon_pages 313.50 ± 40% +673.4% 2424 ± 4% numa-vmstat.node1.nr_inactive_anon 6558 ± 11% +39.9% 9175 ± 8% numa-vmstat.node1.nr_kernel_stack 1262 ± 1% +102.2% 2552 ± 0% numa-vmstat.node1.nr_mapped 36358 ± 9% +65.2% 60055 ± 5% numa-vmstat.node1.nr_page_table_pages 45984 ± 9% +43.9% 66189 ± 8% numa-vmstat.node1.nr_slab_unreclaimable 64599981 ± 2% -34.3% 42454481 ± 5% numa-vmstat.node1.numa_hit 64534349 ± 2% -34.2% 42449235 ± 5% numa-vmstat.node1.numa_local 65632 ± 2% -92.0% 5245 ± 23% numa-vmstat.node1.numa_other 148962 ± 0% +32.1% 196766 ± 2% slabinfo.anon_vma.active_objs 3066 ± 0% +32.5% 4062 ± 1% slabinfo.anon_vma.active_slabs 156402 ± 0% +32.5% 207216 ± 1% slabinfo.anon_vma.num_objs 3066 ± 0% +32.5% 4062 ± 1% slabinfo.anon_vma.num_slabs 15321 ± 0% +14.6% 17563 ± 1% slabinfo.files_cache.active_objs 16470 ± 0% +15.1% 18958 ± 1% slabinfo.files_cache.num_objs 8808 ± 0% +17.6% 10359 ± 1% slabinfo.kmalloc-1024.active_objs 9268 ± 0% +16.1% 10758 ± 0% slabinfo.kmalloc-1024.num_objs 22656 ± 1% +9.9% 24899 ± 2% slabinfo.kmalloc-128.num_objs 31867 ± 0% +11.6% 35548 ± 0% slabinfo.kmalloc-192.active_objs 32775 ± 0% +11.4% 36522 ± 0% slabinfo.kmalloc-192.num_objs 15221 ± 0% +23.1% 18731 ± 0% slabinfo.kmalloc-256.active_objs 16380 ± 0% +19.4% 19557 ± 0% slabinfo.kmalloc-256.num_objs 308147 ± 0% +33.0% 409879 ± 2% slabinfo.kmalloc-64.active_objs 6591 ± 1% +17.9% 7770 ± 1% slabinfo.kmalloc-64.active_slabs 421883 ± 1% +17.9% 497347 ± 1% slabinfo.kmalloc-64.num_objs 6591 ± 1% +17.9% 7770 ± 1% slabinfo.kmalloc-64.num_slabs 482.75 ± 11% +39.7% 674.50 ± 7% slabinfo.kmem_cache_node.active_objs 495.50 ± 10% +38.7% 687.25 ± 7% slabinfo.kmem_cache_node.num_objs 9328 ± 0% +29.1% 12045 ± 2% slabinfo.mm_struct.active_objs 612.00 ± 0% +28.6% 787.00 ± 1% slabinfo.mm_struct.active_slabs 10411 ± 0% +28.6% 13390 ± 1% slabinfo.mm_struct.num_objs 612.00 ± 0% +28.6% 787.00 ± 1% slabinfo.mm_struct.num_slabs 12765 ± 1% +15.7% 14765 ± 1% slabinfo.sighand_cache.active_objs 861.75 ± 1% +18.4% 1020 ± 0% slabinfo.sighand_cache.active_slabs 12933 ± 1% +18.4% 15308 ± 0% slabinfo.sighand_cache.num_objs 861.75 ± 1% +18.4% 1020 ± 0% slabinfo.sighand_cache.num_slabs 14455 ± 1% +11.8% 16167 ± 1% slabinfo.signal_cache.active_objs 14698 ± 1% +14.2% 16779 ± 1% slabinfo.signal_cache.num_objs 11628 ± 1% +16.6% 13563 ± 1% slabinfo.task_struct.active_objs 3899 ± 1% +18.5% 4620 ± 1% slabinfo.task_struct.active_slabs 11699 ± 1% +18.5% 13861 ± 1% slabinfo.task_struct.num_objs 3899 ± 1% +18.5% 4620 ± 1% slabinfo.task_struct.num_slabs 224907 ± 0% +34.2% 301780 ± 2% slabinfo.vm_area_struct.active_objs 5290 ± 0% +34.9% 7135 ± 2% slabinfo.vm_area_struct.active_slabs 232815 ± 0% +34.8% 313951 ± 2% slabinfo.vm_area_struct.num_objs 5290 ± 0% +34.9% 7135 ± 2% slabinfo.vm_area_struct.num_slabs 0.30 ± 89% +2528.3% 7.88 ± 13% perf-profile.cpu-cycles.__account_scheduler_latency.enqueue_entity.enqueue_task_fair.enqueue_task.activate_task 0.02 ± 74% +17735.0% 2.97 ± 19% perf-profile.cpu-cycles.__kernel_text_address.print_context_stack.dump_trace.save_stack_trace_tsk.__account_scheduler_latency 0.02 ±-5000% +21150.0% 4.25 ± 44% perf-profile.cpu-cycles.__schedule.schedule.pipe_wait.pipe_read.__vfs_read 0.00 ± -1% +Inf% 0.64 ± 58% perf-profile.cpu-cycles.__schedule.schedule.prepare_exit_to_usermode.syscall_return_slowpath.int_ret_from_sys_call 7.24 ± 19% +141.5% 17.49 ± 14% perf-profile.cpu-cycles.__vfs_read.vfs_read.sys_read.entry_SYSCALL_64_fastpath 1.36 ± 84% +926.2% 13.92 ± 16% perf-profile.cpu-cycles.__wake_up_common.__wake_up_sync_key.pipe_write.__vfs_write.vfs_write 1.46 ±107% +981.3% 15.76 ± 17% perf-profile.cpu-cycles.__wake_up_sync_key.pipe_write.__vfs_write.vfs_write.sys_write 0.03 ±-3333% +3200.0% 0.99 ± 28% perf-profile.cpu-cycles.activate_task.ttwu_do_activate.sched_ttwu_pending.scheduler_ipi.smp_reschedule_interrupt 0.64 ± 86% +1399.6% 9.65 ± 13% perf-profile.cpu-cycles.activate_task.ttwu_do_activate.try_to_wake_up.default_wake_function.autoremove_wake_function 1.28 ± 86% +966.4% 13.62 ± 16% perf-profile.cpu-cycles.autoremove_wake_function.__wake_up_common.__wake_up_sync_key.pipe_write.__vfs_write 1.26 ± 86% +968.6% 13.50 ± 16% perf-profile.cpu-cycles.default_wake_function.autoremove_wake_function.__wake_up_common.__wake_up_sync_key.pipe_write 0.01 ± 0% +3200.0% 0.33 ±140% perf-profile.cpu-cycles.do_wait.sys_wait4.entry_SYSCALL_64_fastpath 0.16 ± 96% +4396.9% 7.20 ± 12% perf-profile.cpu-cycles.dump_trace.save_stack_trace_tsk.__account_scheduler_latency.enqueue_entity.enqueue_task_fair 0.48 ± 86% +1877.1% 9.49 ± 14% perf-profile.cpu-cycles.enqueue_entity.enqueue_task_fair.enqueue_task.activate_task.ttwu_do_activate 0.03 ±-3333% +3175.0% 0.98 ± 28% perf-profile.cpu-cycles.enqueue_task.activate_task.ttwu_do_activate.sched_ttwu_pending.scheduler_ipi 0.64 ± 86% +1396.9% 9.63 ± 13% perf-profile.cpu-cycles.enqueue_task.activate_task.ttwu_do_activate.try_to_wake_up.default_wake_function 0.02 ±-5000% +4162.5% 0.85 ± 27% perf-profile.cpu-cycles.enqueue_task_fair.enqueue_task.activate_task.ttwu_do_activate.sched_ttwu_pending 0.59 ± 86% +1473.7% 9.29 ± 13% perf-profile.cpu-cycles.enqueue_task_fair.enqueue_task.activate_task.ttwu_do_activate.try_to_wake_up 111.99 ± 2% -23.5% 85.65 ± 7% perf-profile.cpu-cycles.entry_SYSCALL_64_fastpath 0.00 ± -1% +Inf% 0.77 ± 51% perf-profile.cpu-cycles.int_ret_from_sys_call 3.68 ± 31% +309.3% 15.06 ± 17% perf-profile.cpu-cycles.pipe_read.__vfs_read.vfs_read.sys_read.entry_SYSCALL_64_fastpath 0.03 ±-3333% +19350.0% 5.83 ± 38% perf-profile.cpu-cycles.pipe_wait.pipe_read.__vfs_read.vfs_read.sys_read 10.52 ± 23% +109.9% 22.09 ± 18% perf-profile.cpu-cycles.pipe_write.__vfs_write.vfs_write.sys_write.entry_SYSCALL_64_fastpath 0.00 ± -1% +Inf% 0.68 ± 56% perf-profile.cpu-cycles.prepare_exit_to_usermode.syscall_return_slowpath.int_ret_from_sys_call 0.10 ± 96% +6080.0% 6.18 ± 13% perf-profile.cpu-cycles.print_context_stack.dump_trace.save_stack_trace_tsk.__account_scheduler_latency.enqueue_entity 0.16 ± 97% +4329.6% 7.24 ± 13% perf-profile.cpu-cycles.save_stack_trace_tsk.__account_scheduler_latency.enqueue_entity.enqueue_task_fair.enqueue_task 0.02 ±-5000% +22300.0% 4.48 ± 43% perf-profile.cpu-cycles.schedule.pipe_wait.pipe_read.__vfs_read.vfs_read 0.00 ± -1% +Inf% 0.62 ± 62% perf-profile.cpu-cycles.schedule.prepare_exit_to_usermode.syscall_return_slowpath.int_ret_from_sys_call 41.93 ± 3% -21.8% 32.80 ± 4% perf-profile.cpu-cycles.sys_read.entry_SYSCALL_64_fastpath 0.01 ± 0% +3225.0% 0.33 ±140% perf-profile.cpu-cycles.sys_wait4.entry_SYSCALL_64_fastpath 65.72 ± 3% -25.2% 49.18 ± 9% perf-profile.cpu-cycles.sys_write.entry_SYSCALL_64_fastpath 0.00 ± -1% +Inf% 0.72 ± 52% perf-profile.cpu-cycles.syscall_return_slowpath.int_ret_from_sys_call 1.28 ± 86% +961.1% 13.58 ± 16% perf-profile.cpu-cycles.try_to_wake_up.default_wake_function.autoremove_wake_function.__wake_up_common.__wake_up_sync_key 0.04 ±-2500% +2512.5% 1.04 ± 28% perf-profile.cpu-cycles.ttwu_do_activate.constprop.85.sched_ttwu_pending.scheduler_ipi.smp_reschedule_interrupt.reschedule_interrupt 0.70 ± 88% +1343.2% 10.10 ± 13% perf-profile.cpu-cycles.ttwu_do_activate.constprop.85.try_to_wake_up.default_wake_function.autoremove_wake_function.__wake_up_common 34.35 ± 3% -16.2% 28.77 ± 6% perf-profile.cpu-cycles.vfs_read.sys_read.entry_SYSCALL_64_fastpath 58.47 ± 4% -26.7% 42.85 ± 9% perf-profile.cpu-cycles.vfs_write.sys_write.entry_SYSCALL_64_fastpath 0.01 ± 70% +4475.0% 0.30 ±139% perf-profile.cpu-cycles.wait_consider_task.do_wait.sys_wait4.entry_SYSCALL_64_fastpath 121.25 ± 40% -43.9% 68.00 ± 4% sched_debug.cfs_rq[0]:/.load_avg 7372993 ± 2% +59.5% 11756998 ± 6% sched_debug.cfs_rq[0]:/.min_vruntime 2526 ± 4% -36.8% 1596 ± 10% sched_debug.cfs_rq[0]:/.tg_load_avg 96.00 ± 8% -29.2% 68.00 ± 4% sched_debug.cfs_rq[0]:/.tg_load_avg_contrib 91.75 ± 23% -40.1% 55.00 ± 12% sched_debug.cfs_rq[10]:/.load_avg 8761646 ± 6% +202.7% 26523962 ± 11% sched_debug.cfs_rq[10]:/.min_vruntime 8.00 ± 56% +1043.8% 91.50 ± 95% sched_debug.cfs_rq[10]:/.nr_spread_over 1375813 ± 32% +967.5% 14686694 ± 19% sched_debug.cfs_rq[10]:/.spread0 2218 ± 8% -22.1% 1729 ± 9% sched_debug.cfs_rq[10]:/.tg_load_avg 92.25 ± 23% -40.1% 55.25 ± 12% sched_debug.cfs_rq[10]:/.tg_load_avg_contrib 83.00 ± 8% -28.6% 59.25 ± 26% sched_debug.cfs_rq[11]:/.load_avg 8281705 ± 5% +221.0% 26587558 ± 12% sched_debug.cfs_rq[11]:/.min_vruntime 12.75 ± 76% +488.2% 75.00 ± 57% sched_debug.cfs_rq[11]:/.nr_spread_over 895534 ± 36% +1546.8% 14747704 ± 20% sched_debug.cfs_rq[11]:/.spread0 2181 ± 7% -24.0% 1657 ± 7% sched_debug.cfs_rq[11]:/.tg_load_avg 83.00 ± 8% -28.6% 59.25 ± 26% sched_debug.cfs_rq[11]:/.tg_load_avg_contrib 7597123 ± 4% +64.9% 12525605 ± 7% sched_debug.cfs_rq[12]:/.min_vruntime 2144 ± 8% -18.9% 1739 ± 8% sched_debug.cfs_rq[12]:/.tg_load_avg 7974727 ± 1% +76.7% 14092249 ± 8% sched_debug.cfs_rq[13]:/.min_vruntime 587700 ± 33% +282.6% 2248438 ± 24% sched_debug.cfs_rq[13]:/.spread0 2161 ± 8% -18.0% 1771 ± 6% sched_debug.cfs_rq[13]:/.tg_load_avg 9111334 ± 6% +49.2% 13594919 ± 7% sched_debug.cfs_rq[14]:/.min_vruntime 2155 ± 10% -17.9% 1768 ± 7% sched_debug.cfs_rq[14]:/.tg_load_avg 91.00 ± 11% -28.3% 65.25 ± 24% sched_debug.cfs_rq[15]:/.load_avg 7755071 ± 5% +80.3% 13985714 ± 7% sched_debug.cfs_rq[15]:/.min_vruntime 9.75 ± 15% +520.5% 60.50 ±128% sched_debug.cfs_rq[15]:/.nr_spread_over 367395 ± 78% +481.9% 2137747 ± 16% sched_debug.cfs_rq[15]:/.spread0 2175 ± 12% -22.1% 1694 ± 7% sched_debug.cfs_rq[15]:/.tg_load_avg 91.00 ± 11% -28.3% 65.25 ± 24% sched_debug.cfs_rq[15]:/.tg_load_avg_contrib 7790185 ± 3% +81.0% 14103194 ± 6% sched_debug.cfs_rq[16]:/.min_vruntime 402239 ± 43% +460.5% 2254357 ± 12% sched_debug.cfs_rq[16]:/.spread0 2196 ± 9% -22.8% 1694 ± 6% sched_debug.cfs_rq[16]:/.tg_load_avg 8545892 ± 6% +64.3% 14041885 ± 7% sched_debug.cfs_rq[17]:/.min_vruntime 1157569 ± 38% +89.4% 2192052 ± 15% sched_debug.cfs_rq[17]:/.spread0 2168 ± 9% -21.2% 1709 ± 3% sched_debug.cfs_rq[17]:/.tg_load_avg 8083785 ± 3% +194.3% 23786635 ± 12% sched_debug.cfs_rq[18]:/.min_vruntime 7.25 ± 69% +286.2% 28.00 ± 51% sched_debug.cfs_rq[18]:/.nr_spread_over 695207 ± 68% +1616.3% 11932029 ± 23% sched_debug.cfs_rq[18]:/.spread0 2134 ± 10% -18.9% 1731 ± 5% sched_debug.cfs_rq[18]:/.tg_load_avg 123.00 ± 23% -50.8% 60.50 ± 18% sched_debug.cfs_rq[19]:/.load_avg 8843043 ± 4% +212.8% 27657482 ± 14% sched_debug.cfs_rq[19]:/.min_vruntime 11.50 ± 72% +1156.5% 144.50 ± 89% sched_debug.cfs_rq[19]:/.nr_spread_over 1454237 ± 28% +986.6% 15802087 ± 22% sched_debug.cfs_rq[19]:/.spread0 2121 ± 10% -18.7% 1724 ± 7% sched_debug.cfs_rq[19]:/.tg_load_avg 121.00 ± 21% -50.0% 60.50 ± 18% sched_debug.cfs_rq[19]:/.tg_load_avg_contrib 101.50 ± 14% -37.2% 63.75 ± 8% sched_debug.cfs_rq[1]:/.load_avg 8066420 ± 2% +67.1% 13476103 ± 7% sched_debug.cfs_rq[1]:/.min_vruntime 689384 ± 53% +147.3% 1704860 ± 22% sched_debug.cfs_rq[1]:/.spread0 2514 ± 4% -39.0% 1533 ± 6% sched_debug.cfs_rq[1]:/.tg_load_avg 101.75 ± 14% -37.3% 63.75 ± 8% sched_debug.cfs_rq[1]:/.tg_load_avg_contrib 91.00 ± 8% -23.1% 70.00 ± 10% sched_debug.cfs_rq[20]:/.load_avg 9057239 ± 7% +200.9% 27252092 ± 13% sched_debug.cfs_rq[20]:/.min_vruntime 1668188 ± 44% +822.9% 15396001 ± 23% sched_debug.cfs_rq[20]:/.spread0 2153 ± 9% -20.7% 1707 ± 5% sched_debug.cfs_rq[20]:/.tg_load_avg 91.00 ± 8% -24.2% 69.00 ± 11% sched_debug.cfs_rq[20]:/.tg_load_avg_contrib 8505030 ± 8% +224.1% 27566380 ± 13% sched_debug.cfs_rq[21]:/.min_vruntime 15.50 ± 51% +575.8% 104.75 ± 42% sched_debug.cfs_rq[21]:/.nr_spread_over 1115371 ± 70% +1308.4% 15708882 ± 21% sched_debug.cfs_rq[21]:/.spread0 2129 ± 9% -19.2% 1720 ± 5% sched_debug.cfs_rq[21]:/.tg_load_avg 8352879 ± 2% +232.1% 27739662 ± 13% sched_debug.cfs_rq[22]:/.min_vruntime 13.00 ± 45% +1930.8% 264.00 ± 38% sched_debug.cfs_rq[22]:/.nr_spread_over 962764 ± 8% +1549.5% 15880365 ± 22% sched_debug.cfs_rq[22]:/.spread0 2119 ± 8% -14.5% 1811 ± 10% sched_debug.cfs_rq[22]:/.tg_load_avg 8119642 ± 4% +241.9% 27759824 ± 13% sched_debug.cfs_rq[23]:/.min_vruntime 729257 ± 37% +2080.1% 15898645 ± 21% sched_debug.cfs_rq[23]:/.spread0 2087 ± 7% -16.0% 1753 ± 3% sched_debug.cfs_rq[23]:/.tg_load_avg 101.75 ± 19% -31.7% 69.50 ± 10% sched_debug.cfs_rq[2]:/.load_avg 9427522 ± 14% +44.3% 13605129 ± 7% sched_debug.cfs_rq[2]:/.min_vruntime 2441 ± 7% -35.2% 1583 ± 10% sched_debug.cfs_rq[2]:/.tg_load_avg 102.50 ± 19% -32.2% 69.50 ± 10% sched_debug.cfs_rq[2]:/.tg_load_avg_contrib 7664612 ± 6% +76.4% 13520491 ± 4% sched_debug.cfs_rq[3]:/.min_vruntime 283759 ±142% +509.0% 1728055 ± 23% sched_debug.cfs_rq[3]:/.spread0 2355 ± 8% -32.8% 1582 ± 12% sched_debug.cfs_rq[3]:/.tg_load_avg 118.75 ± 20% -33.7% 78.75 ± 12% sched_debug.cfs_rq[4]:/.load_avg 7770292 ± 5% +73.0% 13442540 ± 6% sched_debug.cfs_rq[4]:/.min_vruntime 388453 ±139% +322.2% 1640216 ± 19% sched_debug.cfs_rq[4]:/.spread0 2286 ± 8% -29.9% 1603 ± 10% sched_debug.cfs_rq[4]:/.tg_load_avg 119.00 ± 20% -33.2% 79.50 ± 12% sched_debug.cfs_rq[4]:/.tg_load_avg_contrib 41.00 ± 12% +72.0% 70.50 ± 58% sched_debug.cfs_rq[5]:/.load 8361817 ± 5% +59.9% 13374083 ± 7% sched_debug.cfs_rq[5]:/.min_vruntime 2265 ± 8% -29.0% 1608 ± 10% sched_debug.cfs_rq[5]:/.tg_load_avg 8064101 ± 5% +170.9% 21848536 ± 12% sched_debug.cfs_rq[6]:/.min_vruntime 12.25 ± 48% +81.6% 22.25 ± 28% sched_debug.cfs_rq[6]:/.nr_spread_over 680647 ± 89% +1373.8% 10031232 ± 26% sched_debug.cfs_rq[6]:/.spread0 2298 ± 8% -29.7% 1615 ± 8% sched_debug.cfs_rq[6]:/.tg_load_avg 94.25 ± 16% -38.2% 58.25 ± 19% sched_debug.cfs_rq[7]:/.load_avg 8303387 ± 6% +218.5% 26442227 ± 14% sched_debug.cfs_rq[7]:/.min_vruntime 40.25 ± 9% -25.5% 30.00 ± 17% sched_debug.cfs_rq[7]:/.runnable_load_avg 919200 ± 58% +1490.1% 14616571 ± 24% sched_debug.cfs_rq[7]:/.spread0 2277 ± 7% -28.1% 1638 ± 12% sched_debug.cfs_rq[7]:/.tg_load_avg 94.50 ± 16% -38.4% 58.25 ± 19% sched_debug.cfs_rq[7]:/.tg_load_avg_contrib 93.50 ± 19% -38.2% 57.75 ± 18% sched_debug.cfs_rq[8]:/.load_avg 8657132 ± 6% +206.7% 26552197 ± 12% sched_debug.cfs_rq[8]:/.min_vruntime 10.00 ± 49% +2720.0% 282.00 ± 56% sched_debug.cfs_rq[8]:/.nr_spread_over 1272282 ± 40% +1057.2% 14722281 ± 21% sched_debug.cfs_rq[8]:/.spread0 2256 ± 8% -25.2% 1688 ± 9% sched_debug.cfs_rq[8]:/.tg_load_avg 88.25 ± 18% -33.7% 58.50 ± 18% sched_debug.cfs_rq[8]:/.tg_load_avg_contrib 89.25 ± 10% -43.4% 50.50 ± 18% sched_debug.cfs_rq[9]:/.load_avg 8573840 ± 11% +212.1% 26757495 ± 13% sched_debug.cfs_rq[9]:/.min_vruntime 13.00 ± 70% +909.6% 131.25 ± 46% sched_debug.cfs_rq[9]:/.nr_spread_over 1188401 ± 86% +1155.7% 14923175 ± 23% sched_debug.cfs_rq[9]:/.spread0 2235 ± 7% -27.0% 1630 ± 9% sched_debug.cfs_rq[9]:/.tg_load_avg 89.25 ± 10% -43.4% 50.50 ± 18% sched_debug.cfs_rq[9]:/.tg_load_avg_contrib 13660 ± 26% +25.6% 17164 ± 7% sched_debug.cpu#0.curr->pid 25.75 ± 28% +564.1% 171.00 ± 31% sched_debug.cpu#0.nr_running 6234824 ± 3% +79.9% 11214928 ± 11% sched_debug.cpu#0.nr_switches 92.25 ± 41% +101.4% 185.75 ± 37% sched_debug.cpu#0.nr_uninterruptible 10264120 ± 2% +48.8% 15270454 ± 8% sched_debug.cpu#0.sched_count 49574 ± 5% -12.4% 43430 ± 6% sched_debug.cpu#0.sched_goidle 5147188 ± 4% +79.7% 9249436 ± 12% sched_debug.cpu#0.ttwu_count 2269312 ± 2% +62.5% 3688685 ± 10% sched_debug.cpu#0.ttwu_local 23.25 ± 28% +589.2% 160.25 ± 36% sched_debug.cpu#1.nr_running 6569750 ± 2% +83.6% 12058832 ± 9% sched_debug.cpu#1.nr_switches 6570052 ± 2% +83.6% 12059572 ± 9% sched_debug.cpu#1.sched_count 4992425 ± 1% +109.0% 10435243 ± 3% sched_debug.cpu#1.ttwu_count 2463897 ± 1% +74.8% 4307284 ± 9% sched_debug.cpu#1.ttwu_local 13.00 ± 44% +303.8% 52.50 ± 42% sched_debug.cpu#10.nr_running 6572956 ± 2% +196.2% 19469907 ± 4% sched_debug.cpu#10.nr_switches 6573272 ± 2% +196.2% 19471457 ± 4% sched_debug.cpu#10.sched_count 5113245 ± 2% +125.5% 11531340 ± 2% sched_debug.cpu#10.ttwu_count 2449382 ± 2% +146.9% 6046615 ± 4% sched_debug.cpu#10.ttwu_local 500000 ± 0% +14.1% 570712 ± 8% sched_debug.cpu#11.max_idle_balance_cost 15.00 ± 46% +246.7% 52.00 ± 42% sched_debug.cpu#11.nr_running 6631320 ± 2% +189.1% 19172684 ± 4% sched_debug.cpu#11.nr_switches 6631668 ± 2% +189.1% 19174234 ± 4% sched_debug.cpu#11.sched_count 5054950 ± 2% +120.6% 11152494 ± 4% sched_debug.cpu#11.ttwu_count 2405487 ± 2% +145.7% 5910910 ± 3% sched_debug.cpu#11.ttwu_local 12.00 ± 59% +791.7% 107.00 ± 75% sched_debug.cpu#12.nr_running 6356857 ± 4% +95.9% 12451675 ± 8% sched_debug.cpu#12.nr_switches 134.25 ± 46% +58.7% 213.00 ± 22% sched_debug.cpu#12.nr_uninterruptible 6357220 ± 4% +95.9% 12452542 ± 8% sched_debug.cpu#12.sched_count 46934 ± 6% -16.9% 38993 ± 10% sched_debug.cpu#12.sched_goidle 5089230 ± 6% +99.1% 10134621 ± 4% sched_debug.cpu#12.ttwu_count 2416053 ± 2% +79.9% 4346652 ± 6% sched_debug.cpu#12.ttwu_local 6657066 ± 5% +86.1% 12387203 ± 9% sched_debug.cpu#13.nr_switches 94.50 ± 71% +109.8% 198.25 ± 19% sched_debug.cpu#13.nr_uninterruptible 6657360 ± 5% +86.1% 12387844 ± 9% sched_debug.cpu#13.sched_count 5089824 ± 1% +103.3% 10347591 ± 6% sched_debug.cpu#13.ttwu_count 2613812 ± 2% +77.8% 4646155 ± 10% sched_debug.cpu#13.ttwu_local 14.25 ± 64% +761.4% 122.75 ± 73% sched_debug.cpu#14.nr_running 7217227 ± 7% +73.5% 12520898 ± 7% sched_debug.cpu#14.nr_switches -109.00 ±-154% -226.6% 138.00 ± 34% sched_debug.cpu#14.nr_uninterruptible 7217548 ± 7% +73.5% 12521622 ± 7% sched_debug.cpu#14.sched_count 4933024 ± 2% +99.8% 9853790 ± 5% sched_debug.cpu#14.ttwu_count 2627711 ± 3% +76.7% 4643465 ± 5% sched_debug.cpu#14.ttwu_local 11.50 ± 88% +995.7% 126.00 ± 75% sched_debug.cpu#15.nr_running 6705165 ± 4% +91.4% 12831218 ± 9% sched_debug.cpu#15.nr_switches 41.50 ± 82% +256.0% 147.75 ± 27% sched_debug.cpu#15.nr_uninterruptible 6705518 ± 4% +91.4% 12831891 ± 9% sched_debug.cpu#15.sched_count 5124902 ± 2% +102.0% 10351785 ± 4% sched_debug.cpu#15.ttwu_count 2537246 ± 2% +84.4% 4679721 ± 9% sched_debug.cpu#15.ttwu_local 59.75 ± 72% +116.7% 129.50 ± 63% sched_debug.cpu#16.load 12.00 ± 91% +991.7% 131.00 ± 75% sched_debug.cpu#16.nr_running 6807914 ± 3% +88.7% 12847644 ± 6% sched_debug.cpu#16.nr_switches 35.75 ±243% +416.8% 184.75 ± 28% sched_debug.cpu#16.nr_uninterruptible 6808195 ± 3% +88.7% 12848273 ± 6% sched_debug.cpu#16.sched_count 4965300 ± 5% +109.5% 10400978 ± 2% sched_debug.cpu#16.ttwu_count 2587259 ± 3% +84.3% 4769137 ± 4% sched_debug.cpu#16.ttwu_local 7343797 ± 4% +71.0% 12556479 ± 9% sched_debug.cpu#17.nr_switches -21.50 ±-291% -637.2% 115.50 ± 9% sched_debug.cpu#17.nr_uninterruptible 7344102 ± 4% +71.0% 12557075 ± 9% sched_debug.cpu#17.sched_count 48302 ± 10% -21.2% 38075 ± 9% sched_debug.cpu#17.sched_goidle 4860214 ± 2% +105.2% 9973186 ± 3% sched_debug.cpu#17.ttwu_count 2631813 ± 1% +77.3% 4667413 ± 6% sched_debug.cpu#17.ttwu_local 10.50 ± 70% +361.9% 48.50 ± 34% sched_debug.cpu#18.nr_running 6423142 ± 0% +193.8% 18871804 ± 6% sched_debug.cpu#18.nr_switches 6423521 ± 0% +193.8% 18873844 ± 6% sched_debug.cpu#18.sched_count 4996106 ± 2% +103.7% 10174733 ± 5% sched_debug.cpu#18.ttwu_count 2472857 ± 2% +120.8% 5460849 ± 4% sched_debug.cpu#18.ttwu_local 13.00 ± 54% +267.3% 47.75 ± 47% sched_debug.cpu#19.nr_running 6685332 ± 4% +198.9% 19980393 ± 5% sched_debug.cpu#19.nr_switches -66.25 ±-66% +202.6% -200.50 ± -2% sched_debug.cpu#19.nr_uninterruptible 6685659 ± 4% +198.9% 19981845 ± 5% sched_debug.cpu#19.sched_count 4916266 ± 4% +151.1% 12346570 ± 5% sched_debug.cpu#19.ttwu_count 2554700 ± 4% +163.4% 6729723 ± 4% sched_debug.cpu#19.ttwu_local 13552 ± 10% +39.4% 18891 ± 15% sched_debug.cpu#2.curr->pid 17.25 ± 67% +784.1% 152.50 ± 42% sched_debug.cpu#2.nr_running 7014128 ± 5% +72.9% 12125114 ± 8% sched_debug.cpu#2.nr_switches 7014454 ± 5% +72.9% 12125842 ± 8% sched_debug.cpu#2.sched_count 4929757 ± 3% +102.3% 9971509 ± 2% sched_debug.cpu#2.ttwu_count 2473376 ± 3% +75.9% 4350629 ± 7% sched_debug.cpu#2.ttwu_local 9.50 ± 58% +365.8% 44.25 ± 48% sched_debug.cpu#20.nr_running 7094564 ± 7% +180.5% 19900502 ± 5% sched_debug.cpu#20.nr_switches -22.50 ±-193% +866.7% -217.50 ±-35% sched_debug.cpu#20.nr_uninterruptible 7094941 ± 7% +180.5% 19901947 ± 5% sched_debug.cpu#20.sched_count 4847005 ± 2% +150.6% 12148790 ± 4% sched_debug.cpu#20.ttwu_count 2596984 ± 4% +162.1% 6806600 ± 5% sched_debug.cpu#20.ttwu_local 8.50 ± 50% +400.0% 42.50 ± 52% sched_debug.cpu#21.nr_running 6734635 ± 6% +197.1% 20005787 ± 4% sched_debug.cpu#21.nr_switches 6734978 ± 6% +197.1% 20007174 ± 4% sched_debug.cpu#21.sched_count 4954934 ± 2% +152.5% 12510106 ± 7% sched_debug.cpu#21.ttwu_count 2548363 ± 3% +169.5% 6867282 ± 4% sched_debug.cpu#21.ttwu_local 10.00 ± 53% +365.0% 46.50 ± 40% sched_debug.cpu#22.nr_running 6793937 ± 1% +192.2% 19850213 ± 4% sched_debug.cpu#22.nr_switches 6794279 ± 1% +192.2% 19851667 ± 4% sched_debug.cpu#22.sched_count 4999277 ± 2% +147.2% 12359089 ± 5% sched_debug.cpu#22.ttwu_count 2575092 ± 1% +159.1% 6671652 ± 5% sched_debug.cpu#22.ttwu_local 9.50 ± 47% +355.3% 43.25 ± 39% sched_debug.cpu#23.nr_running 6760476 ± 3% +194.8% 19928574 ± 4% sched_debug.cpu#23.nr_switches 6760836 ± 3% +194.8% 19929942 ± 4% sched_debug.cpu#23.sched_count 5057550 ± 0% +142.4% 12258087 ± 4% sched_debug.cpu#23.ttwu_count 2590172 ± 1% +159.7% 6726524 ± 4% sched_debug.cpu#23.ttwu_local 17.00 ± 59% +764.7% 147.00 ± 46% sched_debug.cpu#3.nr_running 6553148 ± 3% +89.1% 12389631 ± 9% sched_debug.cpu#3.nr_switches -2.50 ±-3542% -7430.0% 183.25 ± 22% sched_debug.cpu#3.nr_uninterruptible 6553515 ± 3% +89.1% 12390332 ± 9% sched_debug.cpu#3.sched_count 5061548 ± 3% +105.1% 10380529 ± 5% sched_debug.cpu#3.ttwu_count 2374084 ± 3% +82.0% 4321429 ± 9% sched_debug.cpu#3.ttwu_local 822869 ± 10% -12.4% 720748 ± 11% sched_debug.cpu#4.avg_idle 14.50 ± 66% +886.2% 143.00 ± 52% sched_debug.cpu#4.nr_running 6627944 ± 4% +85.8% 12313003 ± 8% sched_debug.cpu#4.nr_switches 6628260 ± 4% +85.8% 12313670 ± 8% sched_debug.cpu#4.sched_count 5029009 ± 4% +105.9% 10353607 ± 4% sched_debug.cpu#4.ttwu_count 2417262 ± 3% +79.5% 4339802 ± 7% sched_debug.cpu#4.ttwu_local 41.25 ± 13% +72.1% 71.00 ± 59% sched_debug.cpu#5.load 17.50 ± 68% +691.4% 138.50 ± 47% sched_debug.cpu#5.nr_running 6997533 ± 3% +73.8% 12164617 ± 8% sched_debug.cpu#5.nr_switches 78.00 ± 48% +184.9% 222.25 ± 21% sched_debug.cpu#5.nr_uninterruptible 6997845 ± 3% +73.8% 12165273 ± 8% sched_debug.cpu#5.sched_count 4969036 ± 2% +94.9% 9684195 ± 1% sched_debug.cpu#5.ttwu_count 2483310 ± 3% +71.0% 4247364 ± 5% sched_debug.cpu#5.ttwu_local 831260 ± 12% -17.7% 683789 ± 9% sched_debug.cpu#6.avg_idle 16.75 ± 36% +334.3% 72.75 ± 45% sched_debug.cpu#6.nr_running 6163396 ± 2% +169.8% 16626723 ± 4% sched_debug.cpu#6.nr_switches 54.50 ±162% -311.5% -115.25 ±-34% sched_debug.cpu#6.nr_uninterruptible 6163891 ± 2% +169.8% 16629352 ± 4% sched_debug.cpu#6.sched_count 5128410 ± 3% +77.0% 9074888 ± 4% sched_debug.cpu#6.ttwu_count 2309853 ± 3% +87.4% 4328580 ± 2% sched_debug.cpu#6.ttwu_local 40.25 ± 9% -26.1% 29.75 ± 18% sched_debug.cpu#7.cpu_load[0] 40.25 ± 9% -28.6% 28.75 ± 22% sched_debug.cpu#7.cpu_load[1] 40.00 ± 8% -28.8% 28.50 ± 24% sched_debug.cpu#7.cpu_load[2] 39.75 ± 8% -28.9% 28.25 ± 25% sched_debug.cpu#7.cpu_load[3] 39.75 ± 8% -28.3% 28.50 ± 24% sched_debug.cpu#7.cpu_load[4] 19.25 ± 41% +231.2% 63.75 ± 48% sched_debug.cpu#7.nr_running 6566332 ± 5% +186.9% 18836315 ± 5% sched_debug.cpu#7.nr_switches 15.50 ±158% -1111.3% -156.75 ±-42% sched_debug.cpu#7.nr_uninterruptible 6566642 ± 5% +186.9% 18837866 ± 5% sched_debug.cpu#7.sched_count 5014516 ± 5% +127.1% 11386703 ± 3% sched_debug.cpu#7.ttwu_count 2467246 ± 2% +138.0% 5872007 ± 3% sched_debug.cpu#7.ttwu_local 6802328 ± 5% +181.3% 19136656 ± 4% sched_debug.cpu#8.nr_switches -76.25 ±-113% +200.0% -228.75 ±-38% sched_debug.cpu#8.nr_uninterruptible 6802722 ± 5% +181.3% 19138285 ± 4% sched_debug.cpu#8.sched_count 4959323 ± 2% +128.0% 11305581 ± 3% sched_debug.cpu#8.ttwu_count 2437353 ± 1% +146.6% 6011685 ± 3% sched_debug.cpu#8.ttwu_local 500000 ± 0% +14.7% 573462 ± 10% sched_debug.cpu#9.max_idle_balance_cost 10.75 ± 56% +409.3% 54.75 ± 57% sched_debug.cpu#9.nr_running 6544270 ± 6% +188.6% 18884484 ± 4% sched_debug.cpu#9.nr_switches 55.50 ±103% -369.8% -149.75 ±-45% sched_debug.cpu#9.nr_uninterruptible 6544607 ± 6% +188.6% 18885996 ± 4% sched_debug.cpu#9.sched_count 5030467 ± 4% +122.3% 11181045 ± 5% sched_debug.cpu#9.ttwu_count 2417027 ± 4% +138.4% 5762968 ± 4% sched_debug.cpu#9.ttwu_local 0.40 ±172% -99.8% 0.00 ± 85% sched_debug.rt_rq[16]:/.rt_time 0.00 ± 49% +73814.5% 0.80 ±100% sched_debug.rt_rq[9]:/.rt_time lkp-ws02: Westmere-EP Memory: 16G hackbench.time.involuntary_context_switches 3e+08 ++------------------------O---------------------------------------+ O O O O O | 2.5e+08 ++ O O O O O | O O O O | | O O O O | 2e+08 ++ O | | O | 1.5e+08 ++ | | | 1e+08 ++ | | .*...*..*..*...*..* | *..*...*..*..*...*.. .*.. ..*..*. | 5e+07 ++ *. *. | | | 0 ++----------------------------------------------------------------+ vmstat.system.in 300000 ++-----------------------------------------------------------------+ | O O O | O O O O O | 250000 ++ O O O O | O | | O O O O O O | 200000 ++ O O | | | 150000 ++ | | | | | 100000 ++ | | .*... .*..*...*..*..*...* | *..*...*..*. *.. .*... .*...*. | 50000 ++------------------*------*---------------------------------------+ [*] bisect-good sample [O] bisect-bad sample To reproduce: git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp run job.yaml Disclaimer: Results have been estimated based on internal Intel analysis and are provided for informational purposes only. Any difference in system hardware or software design or configuration may affect actual performance. Thanks, Ying Huang

5 years, 5 months

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[lkp] [drm/i915] 437b15b801: [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)!

by kernel test robot

FYI, we noticed the below changes on git://anongit.freedesktop.org/drm-intel for-linux-next commit 437b15b8017e0d946453c10794b0c5d4591cf180 ("drm/i915: use pch backlight override on hsw too") <4>[ 25.650730] ------------[ cut here ]------------ <4>[ 25.650752] WARNING: CPU: 2 PID: 80 at drivers/gpu/drm/i915/intel_display.c:9234 hsw_enable_pc8+0x60b/0x740 [i915]() <4>[ 25.650753] CPU PWM1 enabled <4>[ 25.650773] Modules linked in: rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver snd_hda_codec_hdmi x86_pkg_temp_thermal coretemp kvm_intel snd_hda_intel kvm crct10dif_pclmul snd_hda_codec snd_hda_core crc32_pclmul snd_hwdep crc32c_intel i915 ghash_clmulni_intel snd_pcm drm_kms_helper snd_timer syscopyarea aesni_intel sysfillrect sdhci_acpi sysimgblt lrw fb_sys_fops gf128mul glue_helper ablk_helper cryptd ppdev drm shpchp snd microcode serio_raw pcspkr soundcore i2c_i801 winbond_cir rc_core i2c_hid sdhci video dw_dmac dw_dmac_core mmc_core parport_pc parport i2c_designware_platform i2c_designware_core acpi_pad spi_pxa2xx_platform <4>[ 25.650775] CPU: 2 PID: 80 Comm: kworker/u16:1 Not tainted 4.2.0-rc8-01085-g437b15b #1 <4>[ 25.650776] Hardware name: Intel Corporation Broadwell Client platform/WhiteTip Mountain 1, BIOS BDW-E1R1.86C.0120.R00.1504020241 04/02/2015 <4>[ 25.650779] Workqueue: events_unbound async_run_entry_fn <4>[ 25.650781] ffffffffa0433070 ffff880032b63be8 ffffffff8189e2e9 ffffffff81cf4238 <4>[ 25.650783] ffff880032b63c38 ffff880032b63c28 ffffffff8107348a 00000000fffbca4d <4>[ 25.650784] ffff88006bc10000 ffff88006d184b70 ffff88006d184b80 ffff88006d184800 <4>[ 25.650784] Call Trace: <4>[ 25.650788] [<ffffffff8189e2e9>] dump_stack+0x4c/0x65 <4>[ 25.650791] [<ffffffff8107348a>] warn_slowpath_common+0x8a/0xc0 <4>[ 25.650792] [<ffffffff81073506>] warn_slowpath_fmt+0x46/0x50 <4>[ 25.650808] [<ffffffffa03d64eb>] hsw_enable_pc8+0x60b/0x740 [i915] <4>[ 25.650814] [<ffffffffa035a3cb>] intel_suspend_complete+0x65b/0x6e0 [i915] <4>[ 25.650819] [<ffffffffa035a472>] i915_drm_suspend_late+0x22/0x80 [i915] <4>[ 25.650825] [<ffffffffa035a5c0>] ? i915_pm_poweroff_late+0x30/0x30 [i915] <4>[ 25.650831] [<ffffffffa035a5e9>] i915_pm_suspend_late+0x29/0x30 [i915] <4>[ 25.650833] [<ffffffff81551c1c>] dpm_run_callback+0x4c/0x120 <4>[ 25.650835] [<ffffffff815524c9>] __device_suspend_late+0xa9/0x180 <4>[ 25.650837] [<ffffffff815525bf>] async_suspend_late+0x1f/0xa0 <4>[ 25.650838] [<ffffffff810944ca>] async_run_entry_fn+0x4a/0x140 <4>[ 25.650841] [<ffffffff8108b6e7>] process_one_work+0x157/0x420 <4>[ 25.650843] [<ffffffff8108c1c9>] worker_thread+0x69/0x4a0 <4>[ 25.650844] [<ffffffff8108c160>] ? rescuer_thread+0x380/0x380 <4>[ 25.650846] [<ffffffff8108c160>] ? rescuer_thread+0x380/0x380 <4>[ 25.650847] [<ffffffff8109197f>] kthread+0xef/0x110 <4>[ 25.650849] [<ffffffff81091890>] ? kthread_create_on_node+0x180/0x180 <4>[ 25.650851] [<ffffffff818a621f>] ret_from_fork+0x3f/0x70 <4>[ 25.650852] [<ffffffff81091890>] ? kthread_create_on_node+0x180/0x180 <4>[ 25.650853] ---[ end trace 597b97aad370829b ]--- To reproduce: git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp run job.yaml Thanks, Ying Huang

5 years, 6 months

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[lkp] [nfsd] 4aac1bf05b: -2.9% fsmark.files_per_sec

by kernel test robot

FYI, we noticed the below changes on ========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/iterations/nr_threads/disk/fs/fs2/filesize/test_size/sync_method/nr_directories/nr_files_per_directory: lkp-ne04/fsmark/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/1x/32t/1HDD/xfs/nfsv4/5K/400M/fsyncBeforeClose/16d/256fpd commit: cd2d35ff27c4fda9ba73b0aa84313e8e20ce4d2c 4aac1bf05b053a201a4b392dd9a684fb2b7e6103 cd2d35ff27c4fda9 4aac1bf05b053a201a4b392dd9 ---------------- -------------------------- %stddev %change %stddev \ | \ 14415356 ± 0% +2.6% 14788625 ± 1% fsmark.app_overhead 441.60 ± 0% -2.9% 428.80 ± 0% fsmark.files_per_sec 185.78 ± 0% +2.9% 191.26 ± 0% fsmark.time.elapsed_time 185.78 ± 0% +2.9% 191.26 ± 0% fsmark.time.elapsed_time.max 97472 ± 0% -2.8% 94713 ± 0% fsmark.time.involuntary_context_switches 3077117 ± 95% +251.2% 10805440 ±112% latency_stats.sum.nfs_wait_on_request.nfs_updatepage.nfs_write_end.generic_perform_write.__generic_file_write_iter.generic_file_write_iter.nfs_file_write.__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath 12999 ± 0% +32.9% 17276 ± 0% proc-vmstat.nr_slab_unreclaimable 64568 ± 4% -14.8% 55032 ± 0% softirqs.RCU 51999 ± 0% +32.9% 69111 ± 0% meminfo.SUnreclaim 159615 ± 0% +13.5% 181115 ± 0% meminfo.Slab 3.75 ± 0% +3.3% 3.88 ± 1% turbostat.%Busy 77.25 ± 0% +6.5% 82.25 ± 0% turbostat.Avg_MHz 30813025 ± 2% -14.5% 26338527 ± 9% cpuidle.C1E-NHM.time 164180 ± 0% -28.9% 116758 ± 7% cpuidle.C1E-NHM.usage 1738 ± 2% -81.2% 326.75 ± 4% cpuidle.POLL.usage 29979 ± 2% +44.3% 43273 ± 4% numa-meminfo.node0.SUnreclaim 94889 ± 0% +19.8% 113668 ± 2% numa-meminfo.node0.Slab 22033 ± 3% +17.3% 25835 ± 7% numa-meminfo.node1.SUnreclaim 7404 ± 1% -2.7% 7206 ± 0% vmstat.io.bo 27121 ± 0% -4.8% 25817 ± 0% vmstat.system.cs 3025 ± 0% -13.5% 2615 ± 0% vmstat.system.in 50126 ± 1% +11.5% 55893 ± 1% numa-vmstat.node0.nr_dirtied 7494 ± 2% +44.3% 10818 ± 4% numa-vmstat.node0.nr_slab_unreclaimable 50088 ± 1% +11.6% 55900 ± 1% numa-vmstat.node0.nr_written 5507 ± 3% +17.3% 6458 ± 7% numa-vmstat.node1.nr_slab_unreclaimable 7164 ± 2% +275.2% 26885 ± 0% slabinfo.kmalloc-16.active_objs 7164 ± 2% +275.3% 26885 ± 0% slabinfo.kmalloc-16.num_objs 7367 ± 1% +787.7% 65401 ± 0% slabinfo.kmalloc-192.active_objs 179.00 ± 1% +771.8% 1560 ± 0% slabinfo.kmalloc-192.active_slabs 7537 ± 1% +770.0% 65572 ± 0% slabinfo.kmalloc-192.num_objs 179.00 ± 1% +771.8% 1560 ± 0% slabinfo.kmalloc-192.num_slabs 3631 ± 7% +522.3% 22600 ± 0% slabinfo.kmalloc-256.active_objs 145.50 ± 4% +398.1% 724.75 ± 0% slabinfo.kmalloc-256.active_slabs 4667 ± 4% +397.3% 23210 ± 0% slabinfo.kmalloc-256.num_objs 145.50 ± 4% +398.1% 724.75 ± 0% slabinfo.kmalloc-256.num_slabs 17448 ± 2% +75.6% 30643 ± 0% slabinfo.kmalloc-32.active_objs 137.50 ± 2% +76.5% 242.75 ± 0% slabinfo.kmalloc-32.active_slabs 17651 ± 2% +76.4% 31139 ± 0% slabinfo.kmalloc-32.num_objs 137.50 ± 2% +76.5% 242.75 ± 0% slabinfo.kmalloc-32.num_slabs 2387 ± 3% -10.7% 2132 ± 8% slabinfo.kmalloc-512.active_objs 491.25 ± 3% +33.9% 658.00 ± 11% slabinfo.numa_policy.active_objs 491.25 ± 3% +33.9% 658.00 ± 11% slabinfo.numa_policy.num_objs 2128 ± 9% +59.3% 3391 ± 34% sched_debug.cfs_rq[10]:/.exec_clock 18088 ± 17% +47.0% 26582 ± 29% sched_debug.cfs_rq[10]:/.min_vruntime 4326 ± 11% -22.2% 3368 ± 18% sched_debug.cfs_rq[5]:/.exec_clock 1459 ± 1% -10.8% 1302 ± 3% sched_debug.cpu#0.nr_uninterruptible 122217 ± 7% -18.6% 99447 ± 2% sched_debug.cpu#1.nr_switches 122732 ± 8% -18.5% 99972 ± 2% sched_debug.cpu#1.sched_count 45603 ± 10% -20.1% 36442 ± 2% sched_debug.cpu#1.sched_goidle 27004 ± 3% -18.9% 21895 ± 5% sched_debug.cpu#1.ttwu_local 15469 ± 5% +17.2% 18132 ± 6% sched_debug.cpu#10.nr_load_updates 78564 ± 8% +26.6% 99492 ± 5% sched_debug.cpu#10.nr_switches 78605 ± 8% +26.7% 99557 ± 4% sched_debug.cpu#10.sched_count 27470 ± 9% +24.7% 34268 ± 7% sched_debug.cpu#10.sched_goidle 38215 ± 1% +37.4% 52499 ± 13% sched_debug.cpu#10.ttwu_count 14816 ± 5% +22.8% 18196 ± 2% sched_debug.cpu#10.ttwu_local 19690 ± 21% -29.9% 13802 ± 15% sched_debug.cpu#11.nr_switches 54.25 ± 2% -47.5% 28.50 ± 25% sched_debug.cpu#11.nr_uninterruptible 19721 ± 21% -29.9% 13828 ± 15% sched_debug.cpu#11.sched_count 14545 ± 2% +15.4% 16779 ± 4% sched_debug.cpu#12.nr_load_updates 72087 ± 11% +27.9% 92204 ± 7% sched_debug.cpu#12.nr_switches 72126 ± 11% +28.1% 92422 ± 7% sched_debug.cpu#12.sched_count 25418 ± 13% +24.4% 31626 ± 7% sched_debug.cpu#12.sched_goidle 33399 ± 15% +38.5% 46255 ± 13% sched_debug.cpu#12.ttwu_count 51.25 ± 10% -39.0% 31.25 ± 21% sched_debug.cpu#13.nr_uninterruptible 2593 ± 11% -21.8% 2028 ± 10% sched_debug.cpu#13.ttwu_local 71266 ± 3% +20.1% 85620 ± 5% sched_debug.cpu#14.nr_switches 71306 ± 3% +20.4% 85827 ± 5% sched_debug.cpu#14.sched_count 24634 ± 3% +18.8% 29259 ± 4% sched_debug.cpu#14.sched_goidle 34625 ± 11% +19.9% 41506 ± 11% sched_debug.cpu#14.ttwu_count 13866 ± 3% +20.6% 16726 ± 5% sched_debug.cpu#14.ttwu_local 12683 ± 4% -14.7% 10817 ± 2% sched_debug.cpu#15.nr_load_updates 49.75 ± 6% -46.2% 26.75 ± 28% sched_debug.cpu#15.nr_uninterruptible 3374 ± 12% -28.1% 2427 ± 18% sched_debug.cpu#15.ttwu_local 186563 ± 5% -12.1% 163975 ± 4% sched_debug.cpu#2.nr_switches -1324 ± -2% -16.0% -1111 ± -1% sched_debug.cpu#2.nr_uninterruptible 187499 ± 5% -11.2% 166447 ± 4% sched_debug.cpu#2.sched_count 67465 ± 7% -13.6% 58308 ± 6% sched_debug.cpu#2.sched_goidle 36525 ± 4% -14.6% 31193 ± 1% sched_debug.cpu#2.ttwu_local 23697 ± 5% -13.2% 20572 ± 9% sched_debug.cpu#3.nr_load_updates 128070 ± 1% -22.9% 98687 ± 5% sched_debug.cpu#3.nr_switches 129859 ± 2% -23.5% 99357 ± 4% sched_debug.cpu#3.sched_count 48833 ± 1% -23.7% 37243 ± 6% sched_debug.cpu#3.sched_goidle 61622 ± 3% -24.2% 46694 ± 5% sched_debug.cpu#3.ttwu_count 27510 ± 7% -20.6% 21840 ± 8% sched_debug.cpu#3.ttwu_local 81675 ± 7% -13.6% 70536 ± 1% sched_debug.cpu#4.ttwu_count 34076 ± 3% -12.9% 29683 ± 1% sched_debug.cpu#4.ttwu_local 124470 ± 4% -14.1% 106865 ± 8% sched_debug.cpu#5.sched_count 62502 ± 3% -20.8% 49519 ± 9% sched_debug.cpu#5.ttwu_count 26562 ± 0% -17.7% 21853 ± 10% sched_debug.cpu#5.ttwu_local 181661 ± 10% -15.1% 154229 ± 6% sched_debug.cpu#6.nr_switches 181937 ± 10% -13.5% 157379 ± 6% sched_debug.cpu#6.sched_count 66672 ± 14% -16.6% 55632 ± 9% sched_debug.cpu#6.sched_goidle 78296 ± 2% -10.2% 70346 ± 6% sched_debug.cpu#6.ttwu_count 33536 ± 1% -14.4% 28696 ± 1% sched_debug.cpu#6.ttwu_local 131463 ± 6% -17.0% 109140 ± 4% sched_debug.cpu#7.nr_switches -32.25 ±-58% -100.8% 0.25 ±9467% sched_debug.cpu#7.nr_uninterruptible 133606 ± 7% -17.2% 110671 ± 4% sched_debug.cpu#7.sched_count 50986 ± 7% -16.6% 42525 ± 6% sched_debug.cpu#7.sched_goidle 61388 ± 2% -19.8% 49213 ± 5% sched_debug.cpu#7.ttwu_count 26637 ± 2% -21.8% 20837 ± 3% sched_debug.cpu#7.ttwu_local 12312 ± 3% +9.4% 13474 ± 4% sched_debug.cpu#8.nr_load_updates 53.50 ± 6% -44.9% 29.50 ± 27% sched_debug.cpu#9.nr_uninterruptible 2724 ± 15% -23.7% 2078 ± 26% sched_debug.cpu#9.ttwu_local lkp-ne04: Nehalem-EP Memory: 12G cpuidle.POLL.usage 1800 ++----------*-----------------------------*-----*-----*--------*--*--+ *..*..*..*. .*..*..*..*..*..*..*..*. *. *. *..*. * 1600 ++ *. | 1400 ++ | | | 1200 ++ | | | 1000 ++ | | | 800 ++ | 600 ++ | | | 400 O+ | | O O O O O O O O O O O O O O O O O O O O O O | 200 ++-------------------------------------------------------------------+ cpuidle.C1E-NHM.usage 190000 ++-----------------------------------------------------*-----------+ | : : | 180000 ++ : : | 170000 ++ .*. : : | | .*.. .*.. .*. .*.. .*..*..*..*. * *..*..*..* 160000 *+ *. *. *..*..*. *..*..*. | 150000 ++ | | | 140000 ++ | 130000 ++ O | | | 120000 ++ O O O O | 110000 ++ O O O O O O O O O | O O O O O O O O O | 100000 ++-----------------------------------------------------------------+ fsmark.files_per_sec 446 ++--------------------------------------------------------------------+ 444 ++ *.. | | .. | 442 *+.*..*..*..*..*..*.. *..*..*..*...*..*..*..*..*..*..* *..*..*..* 440 ++ .. | 438 ++ * | 436 ++ | | | 434 ++ | 432 ++ | 430 ++ | 428 ++ O O O O O O O O O O O O O O O O O O | | | 426 O+ O O O O | 424 ++--------------------------------------------------------------------+ fsmark.time.elapsed_time 193 ++--------------------------------------------------------------------+ O O O | 192 ++ O O O O O O O O O O | 191 ++ O O O O O O O O | | O O | 190 ++ | 189 ++ | | | 188 ++ | 187 ++ | | .*.. | 186 *+. .*..*..*..*..*. *.. .*.. ..*.. .*.. .*.. .*.. *..*..*..* 185 ++ *. *. *. *. *. *. .. | | * | 184 ++--------------------------------------------------------------------+ fsmark.time.elapsed_time.max 193 ++--------------------------------------------------------------------+ O O O | 192 ++ O O O O O O O O O O | 191 ++ O O O O O O O O | | O O | 190 ++ | 189 ++ | | | 188 ++ | 187 ++ | | .*.. | 186 *+. .*..*..*..*..*. *.. .*.. ..*.. .*.. .*.. .*.. *..*..*..* 185 ++ *. *. *. *. *. *. .. | | * | 184 ++--------------------------------------------------------------------+ fsmark.time.involuntary_context_switches 98500 ++------------------------------------------------------------------+ 98000 ++ .* | | *.. .*. + *.. .*..*..* * 97500 ++. *..*..*. + .. *..*.*..*..*..*..*..*..*. + +| 97000 *+ *..* + + | | * | 96500 ++ | 96000 ++ | 95500 ++ | | | 95000 ++ O O O O O O O | 94500 ++ O O O O O O O O O | O O O O O | 94000 ++ O O | 93500 ++------------------------------------------------------------------+ vmstat.system.in 3100 ++-------------------------------------------------------------------+ 3050 *+. .*.. .*.. .*..*.. .*..*.. | | .*..*.. .*..*. *. *. *.. .*..*. .*..*..*..* 3000 ++ *. *. *. *. | 2950 ++ | 2900 ++ | 2850 ++ | | | 2800 ++ | 2750 ++ | 2700 ++ | 2650 ++ O O | | O O O O O O O O O O O | 2600 O+ O O O O O O O O O | 2550 ++-------------------------------------------------------------------+ numa-vmstat.node0.nr_slab_unreclaimable 12000 ++------------------------------------------------------------------+ | O | 11000 ++ O O O O O O | O O O O O | | O O O O O O O O | 10000 ++ O O O | | | 9000 ++ | | | 8000 ++ *.. | | .*..*.. + .*.. .* | .*.. .*.. .*.*. + *..*..*. *..*. | 7000 *+.*. .*. .*..*. * | | *..*. *..*. | 6000 ++------------------------------------------------------------------+ numa-vmstat.node0.nr_dirtied 58000 ++------------------------------------------------------------------+ 57000 ++ O | O O O O | 56000 ++ O O O O O O | 55000 ++ O O O O O O O O O O | | O O | 54000 ++ | 53000 ++ | 52000 ++ | | *.. * | 51000 +++ .*.. .*.. .. + .*.. *..| 50000 ++ *. *..*..*.. .* * + .*.. *. *.. .. * * *.. .*..*. *. .. * | 49000 ++ *. * | 48000 ++------------------------------------------------------------------+ numa-vmstat.node0.nr_written 58000 ++------------------------------------------------------------------+ 57000 ++ O | O O O O O | 56000 ++ O O O O O O | 55000 ++ O O O O O O O O O | | O O | 54000 ++ | 53000 ++ | 52000 ++ | | * | 51000 ++ *.. .*.. .*.. .. + * .*.. *..| 50000 ++. *. *..*..*.. .* * + .. + *. *.. .. * * *.. .*..*. * + .. * | 49000 ++ *. * | 48000 ++------------------------------------------------------------------+ numa-meminfo.node0.SUnreclaim 50000 ++------------------------------------------------------------------+ | | | O | 45000 ++ O O O O O O | O O O O O | | O O O O O O O O | 40000 ++ O O O | | | 35000 ++ | | | | *.. *.. | 30000 ++ .. *.. .. *.. .*.. .* *..*..*.. .*.. .*..*.* * *..*. *..*. | | *..*..*. .*. | 25000 ++-------------------*--*-------------------------------------------+ proc-vmstat.nr_slab_unreclaimable 17500 ++-O--O-----O--O-------------------O--O--------O-----O-----O-----O--+ 17000 O+ O O O O O O O O O O O O | | | 16500 ++ | 16000 ++ | | | 15500 ++ | 15000 ++ | 14500 ++ | | | 14000 ++ | 13500 ++ | | | 13000 *+.*..*..*..*..*..*..*..*..*..*..*.*..*..*..*..*..*..*..*..*..*..*..* 12500 ++------------------------------------------------------------------+ meminfo.Slab 185000 ++-----------------------------------------------------------------+ | O O O O O | 180000 O+ O O O O O O O O O O O O O O O O O | | | | | 175000 ++ | | | 170000 ++ | | | 165000 ++ | | | | | 160000 *+.*..*..*..*..*.*..*.. .*..*..*..*..*.. .*.. .*..*..*..*..*..* | *..*. *. * | 155000 ++-----------------------------------------------------------------+ meminfo.SUnreclaim 70000 ++-O--O-----O--O-------------------O--O--------O-----O-----O-----O--+ 68000 O+ O O O O O O O O O O O O | | | 66000 ++ | 64000 ++ | | | 62000 ++ | 60000 ++ | 58000 ++ | | | 56000 ++ | 54000 ++ | | | 52000 *+.*..*..*..*..*..*..*..*..*..*..*.*..*..*..*..*..*..*..*..*..*..*..* 50000 ++------------------------------------------------------------------+ slabinfo.kmalloc-256.active_objs 25000 ++------------------------------------------------------------------+ | O O O O O O O O O O O O O O O O O O O O O | O O | 20000 ++ | | | | | 15000 ++ | | | 10000 ++ | | | | | 5000 ++ | *..*..*..*..*..*..*..*..*..*..*..*.*..*..*..*..*..*..*..*..*..*..*..* | | 0 ++------------------------------------------------------------------+ slabinfo.kmalloc-256.num_objs 24000 ++-O--O-----O--O--------O-----O--O-O--O--O--O--O--O--O-----O-----O--+ 22000 O+ O O O O O O | | | 20000 ++ | 18000 ++ | | | 16000 ++ | 14000 ++ | 12000 ++ | | | 10000 ++ | 8000 ++ | | | 6000 ++ .*.. .*..*..*.. .*.. .*..| 4000 *+-*--*--*--*--*--*--*--*--*--*--*-*-----*-----------*--*-----*-----* slabinfo.kmalloc-256.active_slabs 800 ++--------------------------------------------------------------------+ O O O O O O O O O O O O O O O O O O O | 700 ++ O O O O | | | 600 ++ | | | 500 ++ | | | 400 ++ | | | 300 ++ | | | 200 ++ | *..*..*..*..*..*..*..*..*..*..*..*...*..*..*..*..*..*..*..*..*..*..*..* 100 ++--------------------------------------------------------------------+ slabinfo.kmalloc-256.num_slabs 800 ++--------------------------------------------------------------------+ O O O O O O O O O O O O O O O O O O O | 700 ++ O O O O | | | 600 ++ | | | 500 ++ | | | 400 ++ | | | 300 ++ | | | 200 ++ | *..*..*..*..*..*..*..*..*..*..*..*...*..*..*..*..*..*..*..*..*..*..*..* 100 ++--------------------------------------------------------------------+ slabinfo.kmalloc-192.active_objs 70000 ++------------------------------------------------------------------+ O O O O O O O O O O O O O O O O O O O O O O O | 60000 ++ | | | 50000 ++ | | | 40000 ++ | | | 30000 ++ | | | 20000 ++ | | | 10000 *+. .*.. .*..| | *..*..*..*..*..*..*..*..*..*..*.*..*..*..*..*. *..*..*..*. * 0 ++------------------------------------------------------------------+ slabinfo.kmalloc-192.num_objs 70000 ++------------------------------------------------------------------+ O O O O O O O O O O O O O O O O O O O O O O O | 60000 ++ | | | 50000 ++ | | | 40000 ++ | | | 30000 ++ | | | 20000 ++ | | | 10000 *+. .*.. .*..*..*. .*.. .*.. .*.. .*.. .*..* | *. *..*..*..*..*..*. *. *. *. *..*. *. | 0 ++------------------------------------------------------------------+ slabinfo.kmalloc-192.active_slabs 1600 O+-O--O--O--O--O--O--O--O--O--O--O--O--O--O--O--O--O--O--O--O--O--O--+ | | 1400 ++ | 1200 ++ | | | 1000 ++ | | | 800 ++ | | | 600 ++ | 400 ++ | | | 200 *+.*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..* | | 0 ++-------------------------------------------------------------------+ slabinfo.kmalloc-192.num_slabs 1600 O+-O--O--O--O--O--O--O--O--O--O--O--O--O--O--O--O--O--O--O--O--O--O--+ | | 1400 ++ | 1200 ++ | | | 1000 ++ | | | 800 ++ | | | 600 ++ | 400 ++ | | | 200 *+.*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..* | | 0 ++-------------------------------------------------------------------+ slabinfo.kmalloc-32.active_objs 55000 ++------------------------------------------------------------------+ | O | 50000 O+ O O O | 45000 ++ | | | 40000 ++ | | | 35000 ++ | | O O O O O O O O O | 30000 ++ O O O O O O O O O | 25000 ++ | | | 20000 ++ | *..*..*..*.. .*..*..*..*..*..*..*.*..*..*..*.. .*..*..*..*..*..*..* 15000 ++----------*----------------------------------*--------------------+ slabinfo.kmalloc-32.num_objs 55000 ++------------------------------------------------------------------+ O O O O | 50000 ++ O | 45000 ++ | | | 40000 ++ | | | 35000 ++ | | O O O O O O O O O O O O O O O O | 30000 ++ O O | 25000 ++ | | | 20000 ++ | *..*..*..*.. .*..*..*..*..*..*..*.*..*..*..*.. .*..*..*..*..*..*..* 15000 ++----------*----------------------------------*--------------------+ slabinfo.kmalloc-32.active_slabs 400 O+-O--O--O--O---------------------------------------------------------+ | | 350 ++ | | | | | 300 ++ | | | 250 ++ O O O O O O O O O O O O O O O O | | O O | 200 ++ | | | | | 150 *+.*..*..*.. .*..*..*.. .*..*..*...*..*.. .*.. .*..*.. .*..*..*..* | *. *. *. *. *. | 100 ++--------------------------------------------------------------------+ slabinfo.kmalloc-32.num_slabs 400 O+-O--O--O--O---------------------------------------------------------+ | | 350 ++ | | | | | 300 ++ | | | 250 ++ O O O O O O O O O O O O O O O O | | O O | 200 ++ | | | | | 150 *+.*..*..*.. .*..*..*.. .*..*..*...*..*.. .*.. .*..*.. .*..*..*..* | *. *. *. *. *. | 100 ++--------------------------------------------------------------------+ kmsg.usb_usb7:can_t_set_config___error 1 ++--------------------------------------------------------------------* | | | :| 0.8 ++ :| | :| | :| 0.6 ++ : | | : | 0.4 ++ : | | : | | : | 0.2 ++ : | | : | | : | 0 *+--*---*---*---*----*---*---*---*---*---*---*---*----*---*---*---*---+ [*] bisect-good sample [O] bisect-bad sample To reproduce: git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp run job.yaml Disclaimer: Results have been estimated based on internal Intel analysis and are provided for informational purposes only. Any difference in system hardware or software design or configuration may affect actual performance. Thanks, Ying Huang

5 years, 6 months

4
7
0 / 0

[lkp] [sched/fair] 482eaa50ff: INFO: suspicious RCU usage. ]

by kernel test robot

FYI, we noticed the below changes on git://internal_merge_and_test_tree revert-482eaa50ff81046e1e9f95af94176953d0743ec9-482eaa50ff81046e1e9f95af94176953d0743ec9 commit 482eaa50ff81046e1e9f95af94176953d0743ec9 ("sched/fair: Skip wake_affine() for core siblings") +-------------------------------------------------------+----------+------------+ | | v4.3-rc3 | 482eaa50ff | +-------------------------------------------------------+----------+------------+ | boot_successes | 54 | 0 | | boot_failures | 10 | 13 | | IP-Config:Auto-configuration_of_network_failed | 10 | | | INFO:suspicious_RCU_usage | 0 | 13 | | BUG:scheduling_while_atomic | 0 | 13 | | INFO:lockdep_is_turned_off | 0 | 13 | | kernel_BUG_at_kernel/sched/core.c | 0 | 13 | | invalid_opcode:#[##]SMP_DEBUG_PAGEALLOC | 0 | 13 | | EIP_is_at__sched_setscheduler | 0 | 13 | | Kernel_panic-not_syncing:Fatal_exception_in_interrupt | 0 | 13 | | backtrace:spawn_ksoftirqd | 0 | 13 | | backtrace:kernel_init_freeable | 0 | 13 | | backtrace:schedule | 0 | 13 | +-------------------------------------------------------+----------+------------+ [ 0.074005] Failed to access perfctr msr (MSR c2 is 0) [ 0.075108] [ 0.075427] =============================== [ 0.076000] [ INFO: suspicious RCU usage. ] [ 0.076000] 4.3.0-rc3-00001-g482eaa5 #282 Not tainted [ 0.076000] ------------------------------- [ 0.076000] kernel/sched/fair.c:4796 suspicious rcu_dereference_check() usage! [ 0.076000] [ 0.076000] other info that might help us debug this: [ 0.076000] [ 0.076000] [ 0.076000] rcu_scheduler_active = 1, debug_locks = 0 [ 0.076000] 3 locks held by swapper/0/1: [ 0.076000] #0: (cpu_hotplug.lock){.+.+.+}, at: [<c104408a>] get_online_cpus+0x27/0x62 [ 0.076000] #1: (smpboot_threads_lock){+.+.+.}, at: [<c105ae50>] smpboot_register_percpu_thread_cpumask+0x24/0xa1 [ 0.076000] #2: (&p->pi_lock){......}, at: [<c105e0e8>] try_to_wake_up+0x1d/0x19c [ 0.076000] [ 0.076000] stack backtrace: [ 0.076000] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.3.0-rc3-00001-g482eaa5 #282 [ 0.076000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014 [ 0.076000] 00000000 00000000 d3081da8 c1219245 00000001 d3081dc4 c1070a55 c1aeb4d8 [ 0.076000] d3078000 00000000 00000000 00000000 d3081e1c c106444c 00000001 00000010 [ 0.076000] 480d0069 00000000 d307f198 00000046 00000046 d3081e18 c107064c 00000002 [ 0.076000] Call Trace: [ 0.076000] [<c1219245>] dump_stack+0x48/0x60 [ 0.076000] [<c1070a55>] lockdep_rcu_suspicious+0xd4/0xdd [ 0.076000] [<c106444c>] select_task_rq_fair+0x2d8/0x64d [ 0.076000] [<c107064c>] ? lock_acquire+0x72/0x7d [ 0.076000] [<c106d2e8>] ? __lock_is_held+0x2e/0x44 [ 0.076000] [<c105d71f>] select_task_rq+0x3c/0x8f [ 0.076000] [<c105e19f>] try_to_wake_up+0xd4/0x19c [ 0.076000] [<c105e290>] wake_up_process+0x29/0x2c [ 0.076000] [<c105848c>] kthread_create_on_node+0x95/0x104 [ 0.076000] [<c10585a6>] kthread_create_on_cpu+0x14/0x44 [ 0.076000] [<c105a9f3>] ? cpumask_next+0x26/0x26 [ 0.076000] [<c105acbb>] __smpboot_create_thread+0x4e/0xb0 [ 0.076000] [<c105ae70>] smpboot_register_percpu_thread_cpumask+0x44/0xa1 [ 0.076000] [<c1d4cc3b>] ? cpu_hotplug_pm_sync_init+0x11/0x11 [ 0.076000] [<c1d4cc58>] spawn_ksoftirqd+0x1d/0x27 [ 0.076000] [<c1d39bcc>] do_one_initcall+0xd0/0x14e [ 0.076000] [<c1076213>] ? vprintk_default+0x12/0x14 [ 0.076000] [<c10a6426>] ? printk+0x12/0x14 [ 0.076000] [<c100dbba>] ? print_cpu_info+0x8e/0xab [ 0.076000] [<c100dbd0>] ? print_cpu_info+0xa4/0xab [ 0.076000] [<c1d47377>] ? native_smp_prepare_cpus+0x223/0x25e [ 0.076000] [<c1d39ca7>] kernel_init_freeable+0x5d/0x172 [ 0.076000] [<c17aaaf8>] kernel_init+0x8/0xb5 [ 0.076000] [<c17b29c1>] ret_from_kernel_thread+0x21/0x30 [ 0.076000] [<c17aaaf0>] ? rest_init+0x116/0x116 [ 0.076008] BUG: scheduling while atomic: swapper/0/1/0x00000000 [ 0.077003] INFO: lockdep is turned off. [ 0.078006] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.3.0-rc3-00001-g482eaa5 #282 [ 0.079004] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014 [ 0.080004] 00000000 00000000 d3081db0 c1219245 d3078000 d3081dbc c105c084 00000000 [ 0.082003] d3081de0 c17aedc2 00000000 d307f188 d3081e84 d3078000 d3082000 d3081e70 [ 0.083805] d3078000 d3081dec c17af235 7fffffff d3081e24 c17b1d4c 00000000 00000000 [ 0.085648] Call Trace: [ 0.086008] [<c1219245>] dump_stack+0x48/0x60 [ 0.087008] [<c105c084>] __schedule_bug+0x52/0x63 [ 0.088007] [<c17aedc2>] __schedule+0x5a/0x436 [ 0.089006] [<c17af235>] schedule+0x64/0x78 [ 0.090007] [<c17b1d4c>] schedule_timeout+0x15/0xb1 [ 0.091006] [<c17af938>] ? __wait_for_common+0xd4/0x105 [ 0.092007] [<c106ea1e>] ? trace_hardirqs_on+0xb/0xd [ 0.093006] [<c17b2357>] ? _raw_spin_unlock_irq+0x27/0x31 [ 0.094006] [<c17af93f>] __wait_for_common+0xdb/0x105 [ 0.095007] [<c17b1d37>] ? console_conditional_schedule+0x24/0x24 [ 0.096007] [<c105e974>] ? get_parent_ip+0x31/0x31 [ 0.097007] [<c17afa10>] wait_for_completion_killable+0x17/0x2c [ 0.098007] [<c1058493>] kthread_create_on_node+0x9c/0x104 [ 0.099006] [<c10585a6>] kthread_create_on_cpu+0x14/0x44 [ 0.100005] [<c105a9f3>] ? cpumask_next+0x26/0x26 [ 0.101005] [<c105acbb>] __smpboot_create_thread+0x4e/0xb0 [ 0.102005] [<c105ae70>] smpboot_register_percpu_thread_cpumask+0x44/0xa1 [ 0.103007] [<c1d4cc3b>] ? cpu_hotplug_pm_sync_init+0x11/0x11 [ 0.104005] [<c1d4cc58>] spawn_ksoftirqd+0x1d/0x27 [ 0.105006] [<c1d39bcc>] do_one_initcall+0xd0/0x14e [ 0.106006] [<c1076213>] ? vprintk_default+0x12/0x14 [ 0.107010] [<c10a6426>] ? printk+0x12/0x14 [ 0.107916] [<c100dbba>] ? print_cpu_info+0x8e/0xab [ 0.108006] [<c100dbd0>] ? print_cpu_info+0xa4/0xab [ 0.109007] [<c1d47377>] ? native_smp_prepare_cpus+0x223/0x25e [ 0.110006] [<c1d39ca7>] kernel_init_freeable+0x5d/0x172 [ 0.111008] [<c17aaaf8>] kernel_init+0x8/0xb5 [ 0.112007] [<c17b29c1>] ret_from_kernel_thread+0x21/0x30 [ 0.113006] [<c17aaaf0>] ? rest_init+0x116/0x116 [ 0.114092] BUG: scheduling while atomic: kthreadd/3/0x00000000 [ 0.115003] INFO: lockdep is turned off. [ 0.116006] CPU: 0 PID: 3 Comm: kthreadd Tainted: G W 4.3.0-rc3-00001-g482eaa5 #282 [ 0.117005] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014 [ 0.118005] 00000000 00000000 d3093ef4 c1219245 d3078dc0 d3093f00 c105c084 00000000 [ 0.120293] d3093f24 c17aedc2 00000282 d3093f1c c17b2325 d3078dc0 d3094000 d3058c00 [ 0.122072] c105a9f3 d3093f30 c17af235 d3059dd0 d3093fac c105830a d3093f74 00000000 [ 0.124069] Call Trace: [ 0.124610] [<c1219245>] dump_stack+0x48/0x60 [ 0.125007] [<c105c084>] __schedule_bug+0x52/0x63 [ 0.126008] [<c17aedc2>] __schedule+0x5a/0x436 [ 0.127007] [<c17b2325>] ? _raw_spin_unlock_irqrestore+0x3f/0x4a [ 0.128006] [<c105a9f3>] ? cpumask_next+0x26/0x26 [ 0.129006] [<c17af235>] schedule+0x64/0x78 [ 0.130006] [<c105830a>] kthread+0x87/0xa5 [ 0.131007] [<c107064c>] ? lock_acquire+0x72/0x7d [ 0.132007] [<c17b29c1>] ret_from_kernel_thread+0x21/0x30 [ 0.133007] [<c1058283>] ? __kthread_parkme+0x83/0x83 [ 0.134020] ------------[ cut here ]------------ [ 0.135000] kernel BUG at kernel/sched/core.c:3740! [ 0.135000] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC [ 0.135000] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.3.0-rc3-00001-g482eaa5 #282 [ 0.135000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014 [ 0.135000] task: d3078000 ti: d3080000 task.ti: d3080000 [ 0.135000] EIP: 0060:[<c105ec63>] EFLAGS: 00010206 CPU: 0 [ 0.135000] EIP is at __sched_setscheduler+0x39/0x6b8 [ 0.135000] EAX: 7fffffff EBX: 00000000 ECX: 00000000 EDX: 00000063 [ 0.135000] ESI: d3078dc0 EDI: d3081e18 EBP: d3081e0c ESP: d3081dc4 [ 0.135000] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 0.135000] CR0: 8005003b CR2: ffffffff CR3: 01dd3000 CR4: 000006b0 [ 0.135000] Stack: [ 0.135000] 00000000 00000000 d3081e84 00000086 d3081ddc 00000063 d3081e18 c1070700 [ 0.135000] 00000001 00000001 00010000 d30790ac 00000030 00000000 00000086 d3078dc0 [ 0.135000] c17bcf28 d3081e48 d3081e54 c105f344 00000000 00000000 00000000 00000000 [ 0.135000] Call Trace: [ 0.135000] [<c1070700>] ? lock_release+0xa9/0x29a [ 0.135000] [<c105f344>] _sched_setscheduler+0x62/0x6a [ 0.135000] [<c105f533>] sched_setscheduler_nocheck+0xa/0xc [ 0.135000] [<c10584dd>] kthread_create_on_node+0xe6/0x104 [ 0.135000] [<c10585a6>] kthread_create_on_cpu+0x14/0x44 [ 0.135000] [<c105a9f3>] ? cpumask_next+0x26/0x26 [ 0.135000] [<c105acbb>] __smpboot_create_thread+0x4e/0xb0 [ 0.135000] [<c105ae70>] smpboot_register_percpu_thread_cpumask+0x44/0xa1 [ 0.135000] [<c1d4cc3b>] ? cpu_hotplug_pm_sync_init+0x11/0x11 [ 0.135000] [<c1d4cc58>] spawn_ksoftirqd+0x1d/0x27 [ 0.135000] [<c1d39bcc>] do_one_initcall+0xd0/0x14e [ 0.135000] [<c1076213>] ? vprintk_default+0x12/0x14 [ 0.135000] [<c10a6426>] ? printk+0x12/0x14 [ 0.135000] [<c100dbba>] ? print_cpu_info+0x8e/0xab [ 0.135000] [<c100dbd0>] ? print_cpu_info+0xa4/0xab [ 0.135000] [<c1d47377>] ? native_smp_prepare_cpus+0x223/0x25e [ 0.135000] [<c1d39ca7>] kernel_init_freeable+0x5d/0x172 [ 0.135000] [<c17aaaf8>] kernel_init+0x8/0xb5 [ 0.135000] [<c17b29c1>] ret_from_kernel_thread+0x21/0x30 [ 0.135000] [<c17aaaf0>] ? rest_init+0x116/0x116 [ 0.135000] Code: 42 04 88 4d d4 c7 45 cc ff ff ff ff 83 f8 06 74 0b ba 63 00 00 00 2b 57 14 89 55 cc 89 c3 64 a1 04 28 dc c1 a9 00 ff 1f 00 74 3d <0f> 0b 8b 8e 3c 01 00 00 39 cb 0f 84 27 02 00 00 80 7d d4 00 0f [ 0.135000] EIP: [<c105ec63>] __sched_setscheduler+0x39/0x6b8 SS:ESP 0068:d3081dc4 [ 0.135012] ---[ end trace d248a7baa3fff262 ]--- [ 0.136006] Kernel panic - not syncing: Fatal exception in interrupt Thanks, Ying Huang

5 years, 6 months

2
1
0 / 0

[lkp] [arch/x86] 2657eee793: BUG: kernel boot hang

by kernel test robot

FYI, we noticed the below changes on git://internal_merge_and_test_tree revert-a580b73412da93a2194037e54342980f2452520d-2657eee793e8b13334860e7953d5aa6e49227521 commit 2657eee793e8b13334860e7953d5aa6e49227521 ("arch/x86: enable task isolation functionality") +------------------------------------------------+------------+------------+ | | 5f7bb45a98 | 2657eee793 | +------------------------------------------------+------------+------------+ | boot_successes | 15 | 0 | | boot_failures | 4 | 15 | | IP-Config:Auto-configuration_of_network_failed | 4 | | | BUG:kernel_boot_hang | 0 | 15 | +------------------------------------------------+------------+------------+ [ 14.953363] debug: unmapping init [mem 0x41bd5000-0x41c9bfff] [ 14.953952] Write protecting the kernel text: 8216k [ 14.954381] Write protecting the kernel read-only data: 3068k [ 14.954849] NX-protecting the kernel data: 6120k Elapsed time: 750 BUG: kernel boot hang qemu-system-i386 -enable-kvm -cpu Haswell,+smep,+smap -kernel /pkg/linux/i386-randconfig-s0-201539/gcc-4.9/2657eee793e8b13334860e7953d5aa6e49227521/vmlinuz-4.3.0-rc3-00007-g2657eee -append 'root=/dev/ram0 user=lkp job=/lkp/scheduled/vm-vp-quantal-i386-30/bisect_boot-1-quantal-core-i386.cgz-i386-randconfig-s0-201539-2657eee793e8b13334860e7953d5aa6e49227521-20150929-62209-qa4zpx-0.yaml ARCH=i386 kconfig=i386-randconfig-s0-201539 branch=linux-review/Chris-Metcalf/support-task_isolated-mode-for-nohz_full commit=2657eee793e8b13334860e7953d5aa6e49227521 BOOT_IMAGE=/pkg/linux/i386-randconfig-s0-201539/gcc-4.9/2657eee793e8b13334860e7953d5aa6e49227521/vmlinuz-4.3.0-rc3-00007-g2657eee max_uptime=600 RESULT_ROOT=/result/boot/1/vm-vp-quantal-i386/quantal-core-i386.cgz/i386-randconfig-s0-201539/gcc-4.9/2657eee793e8b13334860e7953d5aa6e49227521/0 LKP_SERVER=inn earlyprintk=ttyS0,115200 systemd.log_level=err debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal rw ip=::::vm-vp-quantal-i386-30::dhcp drbd.minor_count=8' -initrd /fs/sde1/initrd-vm-vp-quantal-i386-30 -m 360 -smp 1 -device e1000,netdev=net0 -netdev user,id=net0 -boot order=nc -no-reboot -watchdog i6300esb -rtc base=localtime -pidfile /dev/shm/kboot/pid-vm-vp-quantal-i386-30 -serial file:/dev/shm/kboot/serial-vm-vp-quantal-i386-30 -daemonize -display none -monitor null Thanks, Ying Huang

5 years, 6 months

2
1
0 / 0

[lkp] [ACPI] 73a092e801:

by kernel test robot

FYI, we noticed the below changes on git://linux-arm.org/linux-skn acpi_lpi commit 73a092e801e9938496b71acc9434fb33a9d65d34 ("ACPI: tables: simplify acpi_parse_entries") [ 0.000000] ACPI BIOS Warning (bug): Invalid length for FADT/Pm1aControlBlock: 32, using default 16 (20150818/tbfadt-704) ... [ 0.000000] ACPI: [APIC:0x05] Invalid zero length [ 0.000000] ACPI: Error parsing LAPIC address override entry [ 0.000000] ACPI: Invalid BIOS MADT, disabling ACPI To reproduce: git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp run job.yaml Thanks, Ying Huang

5 years, 6 months

1
0
0 / 0

[sched] 8787dbe5ef: BUG: scheduling while atomic: swapper/0/1/0x00200001

by Fengguang Wu

FYI, we noticed the below changes on commit 8787dbe5ef7e61385140c771fc6fe8f1689f11fa ("sched: Simplify preempt_count tests") +--------------------------------------------------+----------+------------+ | | v4.3-rc3 | 8787dbe5ef | +--------------------------------------------------+----------+------------+ | boot_successes | 54 | 0 | | boot_failures | 10 | 34 | | IP-Config:Auto-configuration_of_network_failed | 10 | | | BUG:scheduling_while_atomic | 0 | 34 | | backtrace:spawn_ksoftirqd | 0 | 34 | | backtrace:kernel_init_freeable | 0 | 34 | | backtrace:kasprintf | 0 | 34 | | backtrace:create_worker | 0 | 34 | | backtrace:init_workqueues | 0 | 34 | | backtrace:alloc_workqueue_attrs | 0 | 34 | | backtrace:__alloc_workqueue_key | 0 | 34 | | backtrace:kthread_create_on_node | 0 | 34 | | backtrace:rcu_spawn_all_nocb_kthreads | 0 | 34 | | backtrace:smpboot_register_percpu_thread_cpumask | 0 | 32 | | backtrace:cpu_stop_init | 0 | 32 | | backtrace:watchdog_enable_all_cpus | 0 | 34 | | backtrace:lockup_detector_init | 0 | 34 | | backtrace:fork_idle | 0 | 2 | | backtrace:idle_threads_init | 0 | 2 | | backtrace:smp_init | 0 | 33 | | backtrace:cpu_up | 0 | 2 | | backtrace:set_mtrr | 0 | 33 | | backtrace:mtrr_aps_init | 0 | 33 | | backtrace:native_smp_cpus_done | 0 | 33 | | backtrace:page_alloc_init_late | 0 | 33 | | backtrace:devtmpfs_init | 0 | 33 | | backtrace:driver_init | 0 | 33 | | backtrace:_cond_resched | 0 | 7 | | backtrace:pm_init | 0 | 33 | | backtrace:kobject_create_and_add | 0 | 33 | | backtrace:cgroup_wq_init | 0 | 33 | | backtrace:perf_workqueue_init | 0 | 33 | | backtrace:cpuidle_register_governor | 0 | 2 | | backtrace:init_ladder | 0 | 2 | | backtrace:blk_dev_init | 0 | 32 | | backtrace:genhd_device_init | 0 | 32 | | backtrace:acpi_os_initialize1 | 0 | 32 | | backtrace:acpi_init | 0 | 32 | | backtrace:md_init | 0 | 27 | | backtrace:hpet_cpuhp_notify | 0 | 1 | | backtrace:hpet_late_init | 0 | 1 | | backtrace:clocksource_done_booting | 0 | 23 | | backtrace:acpi_get_devices | 0 | 1 | | backtrace:pnpacpi_init | 0 | 1 | | backtrace:device_create | 0 | 22 | | backtrace:chr_dev_init | 0 | 22 | | backtrace:vfs_write | 0 | 16 | | backtrace:SyS_write | 0 | 16 | | backtrace:populate_rootfs | 0 | 17 | | backtrace:do_sys_open | 0 | 15 | | backtrace:SyS_open | 0 | 15 | | backtrace:SYSC_symlinkat | 0 | 12 | | backtrace:SyS_symlink | 0 | 12 | | backtrace:kset_create_and_add | 0 | 15 | | backtrace:devices_init | 0 | 17 | | backtrace:hung_task_init | 0 | 31 | | backtrace:default_bdi_init | 0 | 31 | | backtrace:kmem_cache_alloc | 0 | 30 | | backtrace:bdi_init | 0 | 30 | | backtrace:crypto_wq_init | 0 | 30 | | backtrace:bioset_create | 0 | 30 | | backtrace:init_bio | 0 | 30 | | backtrace:sched_init_smp | 0 | 31 | | backtrace:register_sched_domain_sysctl | 0 | 31 | | backtrace:wait_for_completion | 0 | 31 | | backtrace:kern_mount_data | 0 | 2 | | backtrace:shmem_init | 0 | 2 | | backtrace:_do_fork | 0 | 5 | | backtrace:kthreadd | 0 | 5 | | backtrace:misc_register | 0 | 28 | | backtrace:vga_arb_device_init | 0 | 28 | | backtrace:tifm_init | 0 | 28 | | backtrace:bus_register | 0 | 26 | | backtrace:edac_init | 0 | 24 | | backtrace:mmc_init | 0 | 24 | | backtrace:devfreq_init | 0 | 24 | | backtrace:fscache_init | 0 | 22 | | backtrace:cachefiles_init | 0 | 21 | | backtrace:tty_init | 0 | 15 | | backtrace:device_create_with_groups | 0 | 15 | | backtrace:user_path_create | 0 | 16 | | backtrace:SyS_mkdirat | 0 | 16 | | backtrace:SyS_mkdir | 0 | 16 | | backtrace:SYSC_fchownat | 0 | 7 | | backtrace:SyS_lchown | 0 | 6 | | backtrace:classes_init | 0 | 1 | | backtrace:vfs_lstat | 0 | 13 | | backtrace:SyS_newlstat | 0 | 13 | | backtrace:SyS_mknodat | 0 | 4 | | backtrace:SyS_mknod | 0 | 4 | | backtrace:device_register | 0 | 4 | | backtrace:platform_bus_init | 0 | 6 | | backtrace:unshare_nsproxy_namespaces | 0 | 3 | | backtrace:SyS_unshare | 0 | 3 | | backtrace:devtmpfsd | 0 | 3 | | backtrace:subsys_system_register | 0 | 1 | | backtrace:memory_dev_init | 0 | 1 | | backtrace:user_path_at_empty | 0 | 2 | | backtrace:SyS_fchmodat | 0 | 3 | | backtrace:SyS_chmod | 0 | 3 | | backtrace:pcpu_balance_workfn | 0 | 1 | | backtrace:do_sys_ftruncate | 0 | 3 | | backtrace:SyS_ftruncate | 0 | 3 | | backtrace:mnt_want_write_file | 0 | 2 | | backtrace:SyS_fchown | 0 | 3 | | backtrace:chmod_common | 0 | 2 | | backtrace:SyS_fchmod | 0 | 2 | | backtrace:chown_common | 0 | 1 | | backtrace:do_mount | 0 | 1 | | backtrace:SyS_mount | 0 | 1 | | backtrace:SyS_chown | 0 | 2 | | backtrace:firmware_init | 0 | 2 | | backtrace:vfs_mknod | 0 | 1 | +--------------------------------------------------+----------+------------+ [ 0.831646] TSC deadline timer enabled [ 0.832230] smpboot: CPU0: Intel Core Processor (Haswell) (family: 0x6, model: 0x3c, stepping: 0x1) [ 0.835984] Performance Events: unsupported p6 CPU model 60 no PMU driver, software events only. [ 0.837205] BUG: scheduling while atomic: swapper/0/1/0x00200001 [ 0.837964] 2 locks held by swapper/0/1: [ 0.838444] #0: (cpu_hotplug.lock){.+.+.+}, at: [<c104408a>] get_online_cpus+0x27/0x62 [ 0.839534] #1: (smpboot_threads_lock){+.+.+.}, at: [<c105ae50>] smpboot_register_percpu_thread_cpumask+0x24/0xa1 [ 0.840902] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.3.0-rc3-00001-g8787dbe #364 [ 0.857965] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014 [ 0.859204] 00000000 00000000 d4463de0 c1219245 d4478000 d4463dec c105c084 00000000 [ 0.860238] d4463e10 c17aedc2 c1060ee7 00000000 d4463e70 d4478000 d4464000 d4463e70 [ 0.861270] d4463e9c d4463e1c c17af1b9 7fffffff d4463e24 c17af2d6 d4463e58 c17af88a [ 0.862299] Call Trace: [ 0.862597] [<c1219245>] dump_stack+0x48/0x60 [ 0.863120] [<c105c084>] __schedule_bug+0x52/0x63 [ 0.863689] [<c17aedc2>] __schedule+0x5a/0x436 [ 0.864225] [<c1060ee7>] ? ___might_sleep+0xaa/0x197 [ 0.864834] [<c17af1b9>] preempt_schedule_common+0x1b/0x33 [ 0.865502] [<c17af2d6>] _cond_resched+0x15/0x1c [ 0.882163] [<c17af88a>] __wait_for_common+0x26/0x105 [ 0.882809] [<c17b2325>] ? _raw_spin_unlock_irqrestore+0x3f/0x4a [ 0.900558] [<c17b1d37>] ? console_conditional_schedule+0x24/0x24 [ 0.901448] [<c105e25d>] ? try_to_wake_up+0x192/0x19c [ 0.902201] [<c17afa10>] wait_for_completion_killable+0x17/0x2c [ 0.903058] [<c1058493>] kthread_create_on_node+0x9c/0x104 [ 0.903867] [<c10585a6>] kthread_create_on_cpu+0x14/0x44 [ 0.904632] [<c105a9f3>] ? cpumask_next+0x26/0x26 [ 0.905236] [<c105acbb>] __smpboot_create_thread+0x4e/0xb0 [ 0.905934] [<c105ae70>] smpboot_register_percpu_thread_cpumask+0x44/0xa1 [ 0.924920] [<c1d4cc3b>] ? cpu_hotplug_pm_sync_init+0x11/0x11 [ 0.925605] [<c1d4cc58>] spawn_ksoftirqd+0x1d/0x27 [ 0.926195] [<c1d39bcc>] do_one_initcall+0xd0/0x14e [ 0.926778] [<c10761f8>] ? vprintk_default+0x12/0x14 [ 0.927385] [<c10a640b>] ? printk+0x12/0x14 [ 0.927905] [<c100dbba>] ? print_cpu_info+0x8e/0xab [ 0.928496] [<c100dbd0>] ? print_cpu_info+0xa4/0xab [ 0.929084] [<c1d47377>] ? native_smp_prepare_cpus+0x223/0x25e [ 0.929794] [<c1d39ca7>] kernel_init_freeable+0x5d/0x172 [ 0.930424] [<c17aaaf8>] kernel_init+0x8/0xb5 [ 0.930960] [<c17b29c1>] ret_from_kernel_thread+0x21/0x30 [ 0.931600] [<c17aaaf0>] ? rest_init+0x116/0x116 [ 0.954388] BUG: scheduling while atomic: swapper/0/1/0x00200001 [ 0.955157] 2 locks held by swapper/0/1: [ 0.955650] #0: (cpu_hotplug.lock){.+.+.+}, at: [<c104408a>] get_online_cpus+0x27/0x62 [ 0.956723] #1: (smpboot_threads_lock){+.+.+.}, at: [<c105ae50>] smpboot_register_percpu_thread_cpumask+0x24/0xa1 [ 0.958173] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.3.0-rc3-00001-g8787dbe #364 [ 0.959432] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014 [ 0.960700] 00000000 00000000 d4463e58 c1219245 d4478000 d4463e64 c105c084 00000000 [ 0.985862] d4463e88 c17aedc2 c1060ee7 00000000 d4489f48 d4478000 d4464000 d4489f48 [ 0.986895] d445cc00 d4463e94 c17af1b9 7fffffff d4463e9c c17af2d6 d4463ed0 c17af88a [ 0.987927] Call Trace: [ 0.988233] [<c1219245>] dump_stack+0x48/0x60 [ 0.988756] [<c105c084>] __schedule_bug+0x52/0x63 [ 0.989331] [<c17aedc2>] __schedule+0x5a/0x436 [ 0.989877] [<c1060ee7>] ? ___might_sleep+0xaa/0x197 [ 0.990475] [<c17af1b9>] preempt_schedule_common+0x1b/0x33 [ 0.991126] [<c17af2d6>] _cond_resched+0x15/0x1c [ 0.991682] [<c17af88a>] __wait_for_common+0x26/0x105 [ 1.007929] [<c17b2325>] ? _raw_spin_unlock_irqrestore+0x3f/0x4a [ 1.008676] [<c17b1d37>] ? console_conditional_schedule+0x24/0x24 [ 1.009446] [<c105e25d>] ? try_to_wake_up+0x192/0x19c [ 1.010086] [<c17af97d>] wait_for_completion+0x14/0x17 [ 1.010742] [<c105858d>] kthread_park+0x3f/0x44 [ 1.011314] [<c10585cd>] kthread_create_on_cpu+0x3b/0x44 [ 1.011988] [<c105acbb>] __smpboot_create_thread+0x4e/0xb0 [ 1.012666] [<c105ae70>] smpboot_register_percpu_thread_cpumask+0x44/0xa1 [ 1.024690] [<c1d4cc3b>] ? cpu_hotplug_pm_sync_init+0x11/0x11 [ 1.025526] [<c1d4cc58>] spawn_ksoftirqd+0x1d/0x27 [ 1.030249] [<c1d39bcc>] do_one_initcall+0xd0/0x14e [ 1.030887] [<c10761f8>] ? vprintk_default+0x12/0x14 [ 1.031482] [<c10a640b>] ? printk+0x12/0x14 [ 1.031985] [<c100dbba>] ? print_cpu_info+0x8e/0xab [ 1.032563] [<c100dbd0>] ? print_cpu_info+0xa4/0xab [ 1.033145] [<c1d47377>] ? native_smp_prepare_cpus+0x223/0x25e [ 1.037969] [<c1d39ca7>] kernel_init_freeable+0x5d/0x172 [ 1.038750] [<c17aaaf8>] kernel_init+0x8/0xb5 [ 1.039413] [<c17b29c1>] ret_from_kernel_thread+0x21/0x30 [ 1.040200] [<c17aaaf0>] ? rest_init+0x116/0x116 [ 1.040913] BUG: scheduling while atomic: swapper/0/1/0x00200001 [ 1.043374] no locks held by swapper/0/1. [ 1.043893] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.3.0-rc3-00001-g8787dbe #364 [ 1.045035] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014 [ 1.050426] 00000000 00000000 d4463e8c c1219245 d4478000 d4463e98 c105c084 00000000 [ 1.051523] d4463ebc c17aedc2 c1060ee7 00000000 d4401c80 d4478000 d4464000 d4401c80 [ 1.052603] d4463f38 d4463ec8 c17af1b9 00000010 d4463ed0 c17af2d6 d4463ee0 c10cc3a7 [ 1.053818] Call Trace: [ 1.054170] [<c1219245>] dump_stack+0x48/0x60 [ 1.054805] [<c105c084>] __schedule_bug+0x52/0x63 [ 1.055475] [<c17aedc2>] __schedule+0x5a/0x436 [ 1.056121] [<c1060ee7>] ? ___might_sleep+0xaa/0x197 [ 1.056825] [<c17af1b9>] preempt_schedule_common+0x1b/0x33 [ 1.065690] [<c17af2d6>] _cond_resched+0x15/0x1c [ 1.066251] [<c10cc3a7>] slab_pre_alloc_hook+0x31/0x37 [ 1.066873] [<c10d0635>] __kmalloc_track_caller+0x4b/0xef [ 1.067506] [<c1223992>] ? kasprintf+0x11/0x13 [ 1.068049] [<c1223962>] kvasprintf+0x27/0x46 [ 1.068565] [<c1d4d167>] ? wq_sysfs_init+0x24/0x24 [ 1.069144] [<c1223992>] kasprintf+0x11/0x13 [ 1.073726] [<c1d39b1e>] do_one_initcall+0x22/0x14e [ 1.074316] [<c1d4d167>] ? wq_sysfs_init+0x24/0x24 [ 1.074902] [<c10761f8>] ? vprintk_default+0x12/0x14 [ 1.075491] [<c10a640b>] ? printk+0x12/0x14 [ 1.076007] [<c100dbba>] ? print_cpu_info+0x8e/0xab [ 1.076584] [<c100dbd0>] ? print_cpu_info+0xa4/0xab [ 1.077177] [<c1d47377>] ? native_smp_prepare_cpus+0x223/0x25e [ 1.081944] [<c1d39ca7>] kernel_init_freeable+0x5d/0x172 [ 1.082573] [<c17aaaf8>] kernel_init+0x8/0xb5 [ 1.083108] [<c17b29c1>] ret_from_kernel_thread+0x21/0x30 [ 1.083745] [<c17aaaf0>] ? rest_init+0x116/0x116 [ 1.084520] BUG: scheduling while atomic: swapper/0/1/0x00200001 [ 1.085269] no locks held by swapper/0/1. [ 1.089847] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.3.0-rc3-00001-g8787dbe #364 [ 1.090965] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014 [ 1.092228] 00000000 00000000 d4463ddc c1219245 d4478000 d4463de8 c105c084 00000000 [ 1.093489] d4463e0c c17aedc2 c1060ee7 00000000 d4463e6c d4478000 d4464000 d4463e6c [ 1.099534] d4463e98 d4463e18 c17af1b9 7fffffff d4463e20 c17af2d6 d4463e54 c17af88a [ 1.100544] Call Trace: [ 1.100851] [<c1219245>] dump_stack+0x48/0x60 [ 1.101364] [<c105c084>] __schedule_bug+0x52/0x63 [ 1.101925] [<c17aedc2>] __schedule+0x5a/0x436 [ 1.102445] [<c1060ee7>] ? ___might_sleep+0xaa/0x197 [ 1.111144] [<c17af1b9>] preempt_schedule_common+0x1b/0x33 [ 1.111945] [<c17af2d6>] _cond_resched+0x15/0x1c [ 1.112648] [<c17af88a>] __wait_for_common+0x26/0x105 [ 1.113399] [<c17b2325>] ? _raw_spin_unlock_irqrestore+0x3f/0x4a [ 1.114293] [<c17b1d37>] ? console_conditional_schedule+0x24/0x24 [ 1.130691] [<c105e25d>] ? try_to_wake_up+0x192/0x19c [ 1.131437] [<c17afa10>] wait_for_completion_killable+0x17/0x2c [ 1.132309] [<c1058493>] kthread_create_on_node+0x9c/0x104 [ 1.133104] [<c1053106>] create_worker+0xa5/0x121 [ 1.133803] [<c1053e2d>] ? process_scheduled_works+0x21/0x21 [ 1.134613] [<c12271e8>] ? find_next_bit+0xa/0xd [ 1.135314] [<c1d4d2d4>] init_workqueues+0x16d/0x303 [ 1.136045] [<c1d4d167>] ? wq_sysfs_init+0x24/0x24 [ 1.136758] [<c1d39bcc>] do_one_initcall+0xd0/0x14e [ 1.137477] [<c10761f8>] ? vprintk_default+0x12/0x14 [ 1.138234] [<c10a640b>] ? printk+0x12/0x14 [ 1.153892] [<c100dbba>] ? print_cpu_info+0x8e/0xab [ 1.154504] [<c100dbd0>] ? print_cpu_info+0xa4/0xab [ 1.155138] [<c1d47377>] ? native_smp_prepare_cpus+0x223/0x25e [ 1.155864] [<c1d39ca7>] kernel_init_freeable+0x5d/0x172 [ 1.156530] [<c17aaaf8>] kernel_init+0x8/0xb5 [ 1.157082] [<c17b29c1>] ret_from_kernel_thread+0x21/0x30 [ 1.157800] [<c17aaaf0>] ? rest_init+0x116/0x116 [ 1.158602] BUG: scheduling while atomic: swapper/0/1/0x00200001 [ 1.159485] no locks held by swapper/0/1. [ 1.160065] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.3.0-rc3-00001-g8787dbe #364 [ 1.183377] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014 [ 1.184642] 00000000 00000000 d4463e2c c1219245 d4478000 d4463e38 c105c084 00000000 [ 1.185886] d4463e5c c17aedc2 c1060ee7 00000000 d4406b40 d4478000 d4464000 d4406b40 [ 1.186968] d4e3f0c8 d4463e68 c17af1b9 00008010 d4463e70 c17af2d6 d4463e80 c10cc3a7 [ 1.188046] Call Trace: [ 1.188354] [<c1219245>] dump_stack+0x48/0x60 [ 1.188911] [<c105c084>] __schedule_bug+0x52/0x63 [ 1.189497] [<c17aedc2>] __schedule+0x5a/0x436 [ 1.212129] [<c1060ee7>] ? ___might_sleep+0xaa/0x197 [ 1.212757] [<c17af1b9>] preempt_schedule_common+0x1b/0x33 [ 1.213454] [<c17af2d6>] _cond_resched+0x15/0x1c [ 1.214114] [<c10cc3a7>] slab_pre_alloc_hook+0x31/0x37 [ 1.214862] [<c121a436>] ? ida_pre_get+0x2b/0x93 [ 1.215513] [<c10cef28>] kmem_cache_alloc+0x17/0xbb [ 1.216223] [<c121a436>] ? ida_pre_get+0x2b/0x93 [ 1.216882] [<c121a436>] ida_pre_get+0x2b/0x93 [ 1.217522] [<c121a709>] ida_simple_get+0x34/0x90 [ 1.218142] [<c1053083>] create_worker+0x22/0x121 [ 1.218712] [<c12271e8>] ? find_next_bit+0xa/0xd [ 1.250333] [<c1d4d2d4>] init_workqueues+0x16d/0x303 [ 1.250928] [<c1d4d167>] ? wq_sysfs_init+0x24/0x24 [ 1.251502] [<c1d39bcc>] do_one_initcall+0xd0/0x14e [ 1.252085] [<c10761f8>] ? vprintk_default+0x12/0x14 [ 1.252674] [<c10a640b>] ? printk+0x12/0x14 [ 1.253177] [<c100dbba>] ? print_cpu_info+0x8e/0xab [ 1.253753] [<c100dbd0>] ? print_cpu_info+0xa4/0xab [ 1.254332] [<c1d47377>] ? native_smp_prepare_cpus+0x223/0x25e [ 1.255026] [<c1d39ca7>] kernel_init_freeable+0x5d/0x172 [ 1.255649] [<c17aaaf8>] kernel_init+0x8/0xb5 [ 1.256178] [<c17b29c1>] ret_from_kernel_thread+0x21/0x30 [ 1.272053] [<c17aaaf0>] ? rest_init+0x116/0x116 [ 1.272701] BUG: scheduling while atomic: swapper/0/1/0x00200001 [ 1.273423] no locks held by swapper/0/1. [ 1.282074] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.3.0-rc3-00001-g8787dbe #364 [ 1.283264] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014 [ 1.284348] 00000000 00000000 d4463ddc c1219245 d4478000 d4463de8 c105c084 00000000 [ 1.285430] d4463e0c c17aedc2 c1060ee7 00000000 d4463e6c d4478000 d4464000 d4463e6c [ 1.305973] d4463e98 d4463e18 c17af1b9 7fffffff d4463e20 c17af2d6 d4463e54 c17af88a [ 1.307232] Call Trace: [ 1.307608] [<c1219245>] dump_stack+0x48/0x60 [ 1.308252] [<c105c084>] __schedule_bug+0x52/0x63 [ 1.308953] [<c17aedc2>] __schedule+0x5a/0x436 [ 1.309510] [<c1060ee7>] ? ___might_sleep+0xaa/0x197 [ 1.310140] [<c17af1b9>] preempt_schedule_common+0x1b/0x33 [ 1.313683] [<c17af2d6>] _cond_resched+0x15/0x1c [ 1.314271] [<c17af88a>] __wait_for_common+0x26/0x105 [ 1.325859] [<c17b2325>] ? _raw_spin_unlock_irqrestore+0x3f/0x4a [ 1.326568] [<c17b1d37>] ? console_conditional_schedule+0x24/0x24 [ 1.327298] [<c105e25d>] ? try_to_wake_up+0x192/0x19c [ 1.327915] [<c17afa10>] wait_for_completion_killable+0x17/0x2c [ 1.328611] [<c1058493>] kthread_create_on_node+0x9c/0x104 [ 1.329257] [<c1053106>] create_worker+0xa5/0x121 [ 1.329825] [<c1053e2d>] ? process_scheduled_works+0x21/0x21 [ 1.330485] [<c1227100>] ? __ctzsi2+0x3/0x9 Thanks, Fengguang Wu

5 years, 6 months

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[lkp] [net] 192132b9a0: -17.5% netperf.Throughput_tps

by kernel test robot

FYI, we noticed the below changes on https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 192132b9a034d87566294be0fba5f8f75c2cf16b ("net: Add support for VRFs to inetpeer cache") ========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/runtime/nr_threads/cluster/test: lkp-sbx04/netperf/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/300s/200%/cs-localhost/TCP_CRR commit: 5345c2e12d41f815c1009c9dee72f3d5fcfd4282 192132b9a034d87566294be0fba5f8f75c2cf16b 5345c2e12d41f815 192132b9a034d87566294be0fb ---------------- -------------------------- %stddev %change %stddev \ | \ 2841 ± 2% -17.5% 2344 ± 1% netperf.Throughput_tps 1.095e+08 ± 2% -17.3% 90493497 ± 1% netperf.time.involuntary_context_switches 1.093e+08 ± 2% -17.5% 90186076 ± 1% netperf.time.minor_page_faults 4612 ± 0% +9.8% 5062 ± 1% netperf.time.percent_of_cpu_this_job_got 13149 ± 0% +11.7% 14686 ± 1% netperf.time.system_time 943.49 ± 3% -17.1% 781.88 ± 1% netperf.time.user_time 1.091e+08 ± 2% -17.5% 90055371 ± 1% netperf.time.voluntary_context_switches 4.367e+08 ± 2% -17.5% 3.604e+08 ± 1% softirqs.NET_RX 320.02 ± 0% -2.2% 312.95 ± 0% turbostat.CorWatt 375.96 ± 0% -1.9% 368.88 ± 0% turbostat.PkgWatt 1428128 ± 2% -17.3% 1180769 ± 1% vmstat.system.cs 68804 ± 0% +1.2% 69635 ± 0% vmstat.system.in 23930 ±148% -97.8% 522.50 ± 21% numa-meminfo.node0.Shmem 1358 ±141% +301.8% 5457 ± 19% numa-meminfo.node2.AnonHugePages 118910 ± 3% +40.5% 167013 ± 25% numa-meminfo.node2.FilePages 2519 ±143% +279.0% 9548 ± 9% numa-meminfo.node2.Inactive(anon) 2604 ±140% +1850.5% 50791 ± 82% numa-meminfo.node2.Shmem 1.095e+08 ± 2% -17.3% 90493497 ± 1% time.involuntary_context_switches 1.093e+08 ± 2% -17.5% 90186076 ± 1% time.minor_page_faults 4612 ± 0% +9.8% 5062 ± 1% time.percent_of_cpu_this_job_got 13149 ± 0% +11.7% 14686 ± 1% time.system_time 943.49 ± 3% -17.1% 781.88 ± 1% time.user_time 1.091e+08 ± 2% -17.5% 90055371 ± 1% time.voluntary_context_switches 0.00 ± -1% +Inf% 12974495 ±167% latency_stats.avg.nfs_wait_on_request.nfs_updatepage.nfs_write_end.generic_perform_write.__generic_file_write_iter.generic_file_write_iter.nfs_file_write.__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath 1.092e+08 ± 2% -17.5% 90102386 ± 1% latency_stats.hits.inet_csk_accept.inet_accept.SYSC_accept4.SyS_accept.entry_SYSCALL_64_fastpath 2.183e+08 ± 2% -17.5% 1.801e+08 ± 1% latency_stats.hits.sk_wait_data.tcp_recvmsg.inet_recvmsg.sock_recvmsg.SYSC_recvfrom.SyS_recvfrom.entry_SYSCALL_64_fastpath 0.00 ± -1% +Inf% 13170498 ±164% latency_stats.max.nfs_wait_on_request.nfs_updatepage.nfs_write_end.generic_perform_write.__generic_file_write_iter.generic_file_write_iter.nfs_file_write.__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath 13924 ± 43% +112.0% 29515 ± 95% latency_stats.sum.call_rwsem_down_write_failed.unlink_file_vma.free_pgtables.unmap_region.do_munmap.mmap_region.do_mmap_pgoff.vm_mmap_pgoff.SyS_mmap_pgoff.SyS_mmap.entry_SYSCALL_64_fastpath 1.794e+10 ± 2% +16.6% 2.092e+10 ± 2% latency_stats.sum.inet_csk_accept.inet_accept.SYSC_accept4.SyS_accept.entry_SYSCALL_64_fastpath 0.00 ± -1% +Inf% 13298537 ±162% latency_stats.sum.nfs_wait_on_request.nfs_updatepage.nfs_write_end.generic_perform_write.__generic_file_write_iter.generic_file_write_iter.nfs_file_write.__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath 1.281e+10 ± 0% -5.8% 1.207e+10 ± 0% latency_stats.sum.sk_wait_data.tcp_recvmsg.inet_recvmsg.sock_recvmsg.SYSC_recvfrom.SyS_recvfrom.entry_SYSCALL_64_fastpath 1.126e+08 ± 2% -17.4% 93008884 ± 1% proc-vmstat.numa_hit 1.126e+08 ± 2% -17.4% 93008682 ± 1% proc-vmstat.numa_local 3937 ± 4% -11.5% 3483 ± 7% proc-vmstat.numa_pages_migrated 6363343 ± 2% -18.4% 5191906 ± 2% proc-vmstat.pgalloc_dma32 1.077e+08 ± 2% -17.2% 89162443 ± 1% proc-vmstat.pgalloc_normal 1.101e+08 ± 2% -17.3% 91044527 ± 1% proc-vmstat.pgfault 1.14e+08 ± 2% -17.3% 94305253 ± 1% proc-vmstat.pgfree 3937 ± 4% -11.5% 3483 ± 7% proc-vmstat.pgmigrate_success 28042466 ± 2% -17.5% 23130696 ± 2% numa-numastat.node0.local_node 28042466 ± 2% -17.5% 23130763 ± 2% numa-numastat.node0.numa_hit 0.00 ± 40% +Inf% 67.50 ± 8% numa-numastat.node0.other_node 28130811 ± 3% -15.6% 23732122 ± 1% numa-numastat.node1.local_node 28130861 ± 3% -15.6% 23732168 ± 1% numa-numastat.node1.numa_hit 28109208 ± 2% -18.4% 22948672 ± 2% numa-numastat.node2.local_node 28109647 ± 2% -18.4% 22948710 ± 2% numa-numastat.node2.numa_hit 28283999 ± 2% -18.0% 23200094 ± 1% numa-numastat.node3.local_node 28284539 ± 2% -18.0% 23200610 ± 1% numa-numastat.node3.numa_hit 89720 ± 2% -10.5% 80327 ± 1% slabinfo.Acpi-State.active_objs 1766 ± 2% -10.4% 1581 ± 1% slabinfo.Acpi-State.active_slabs 90097 ± 2% -10.4% 80684 ± 1% slabinfo.Acpi-State.num_objs 1766 ± 2% -10.4% 1581 ± 1% slabinfo.Acpi-State.num_slabs 1165 ± 4% +23.6% 1440 ± 9% slabinfo.blkdev_requests.active_objs 1165 ± 4% +23.6% 1440 ± 9% slabinfo.blkdev_requests.num_objs 45272 ± 5% -27.6% 32776 ± 3% slabinfo.kmalloc-256.active_objs 792.50 ± 5% -29.8% 556.50 ± 4% slabinfo.kmalloc-256.active_slabs 50753 ± 5% -29.7% 35654 ± 4% slabinfo.kmalloc-256.num_objs 792.50 ± 5% -29.8% 556.50 ± 4% slabinfo.kmalloc-256.num_slabs 78268 ± 3% -11.2% 69534 ± 1% slabinfo.kmalloc-64.active_objs 1289 ± 2% -13.1% 1120 ± 1% slabinfo.kmalloc-64.active_slabs 82539 ± 2% -13.1% 71749 ± 1% slabinfo.kmalloc-64.num_objs 1289 ± 2% -13.1% 1120 ± 1% slabinfo.kmalloc-64.num_slabs 152.50 ± 37% -72.0% 42.67 ± 85% numa-vmstat.node0.nr_dirtied 5982 ±148% -97.8% 130.00 ± 21% numa-vmstat.node0.nr_shmem 148.75 ± 37% -71.5% 42.33 ± 86% numa-vmstat.node0.nr_written 14143937 ± 2% -17.2% 11706912 ± 2% numa-vmstat.node0.numa_hit 14109627 ± 2% -17.3% 11671407 ± 2% numa-vmstat.node0.numa_local 32.00 ±119% +244.5% 110.25 ± 75% numa-vmstat.node1.nr_dirtied 30.67 ±121% +252.2% 108.00 ± 75% numa-vmstat.node1.nr_written 14248863 ± 3% -15.3% 12069600 ± 1% numa-vmstat.node1.numa_hit 14238070 ± 3% -15.3% 12059120 ± 1% numa-vmstat.node1.numa_local 29727 ± 3% +40.5% 41752 ± 25% numa-vmstat.node2.nr_file_pages 629.25 ±144% +279.3% 2386 ± 9% numa-vmstat.node2.nr_inactive_anon 650.50 ±140% +1851.9% 12697 ± 82% numa-vmstat.node2.nr_shmem 14166575 ± 2% -18.0% 11610237 ± 2% numa-vmstat.node2.numa_hit 14124116 ± 2% -18.1% 11569737 ± 2% numa-vmstat.node2.numa_local 14255093 ± 2% -17.7% 11737181 ± 1% numa-vmstat.node3.numa_hit 14214429 ± 2% -17.7% 11695545 ± 1% numa-vmstat.node3.numa_local 4.22 ± 7% -27.1% 3.07 ± 6% perf-profile.cpu-cycles.SYSC_accept4.sys_accept.entry_SYSCALL_64_fastpath 2.12 ± 3% -24.3% 1.60 ± 4% perf-profile.cpu-cycles.SYSC_bind.sys_bind.entry_SYSCALL_64_fastpath 25.95 ± 1% +21.2% 31.45 ± 3% perf-profile.cpu-cycles.SYSC_connect.sys_connect.entry_SYSCALL_64_fastpath 10.69 ± 2% -20.7% 8.48 ± 2% perf-profile.cpu-cycles.SYSC_recvfrom.sys_recvfrom.entry_SYSCALL_64_fastpath 23.42 ± 6% -37.4% 14.65 ± 9% perf-profile.cpu-cycles.SYSC_sendto.sys_sendto.entry_SYSCALL_64_fastpath 15.88 ± 4% +67.7% 26.64 ± 5% perf-profile.cpu-cycles.____fput.task_work_run.do_notify_resume.int_signal 21.77 ± 12% -47.6% 11.40 ± 15% perf-profile.cpu-cycles.__account_scheduler_latency.enqueue_entity.enqueue_task_fair.enqueue_task.activate_task 3.14 ± 14% -23.2% 2.41 ± 4% perf-profile.cpu-cycles.__dentry_kill.dput.__fput.____fput.task_work_run 2.52 ± 6% -59.8% 1.01 ± 36% perf-profile.cpu-cycles.__destroy_inode.destroy_inode.evict.iput.__dentry_kill 3.01 ± 2% -31.9% 2.05 ± 3% perf-profile.cpu-cycles.__dev_queue_xmit.dev_queue_xmit_sk.ip_finish_output2.ip_finish_output.ip_output 12.36 ± 6% +12.4% 13.89 ± 1% perf-profile.cpu-cycles.__do_softirq.do_softirq_own_stack.do_softirq.__local_bh_enable_ip._raw_spin_unlock_bh 29.10 ± 4% -13.3% 25.23 ± 2% perf-profile.cpu-cycles.__do_softirq.do_softirq_own_stack.do_softirq.__local_bh_enable_ip.ip_finish_output2 2.16 ± 16% -43.8% 1.21 ± 3% perf-profile.cpu-cycles.__do_softirq.do_softirq_own_stack.do_softirq.__local_bh_enable_ip.tcp_prequeue_process 15.70 ± 4% +68.6% 26.47 ± 4% perf-profile.cpu-cycles.__fput.____fput.task_work_run.do_notify_resume.int_signal 0.67 ± 17% +69.9% 1.14 ± 5% perf-profile.cpu-cycles.__hrtimer_run_queues.hrtimer_interrupt.local_apic_timer_interrupt.smp_apic_timer_interrupt.apic_timer_interrupt 25.34 ± 1% +22.3% 30.99 ± 3% perf-profile.cpu-cycles.__inet_stream_connect.inet_stream_connect.SYSC_connect.sys_connect.entry_SYSCALL_64_fastpath 3.18 ± 2% -20.8% 2.52 ± 3% perf-profile.cpu-cycles.__kernel_text_address.print_context_stack.dump_trace.save_stack_trace_tsk.__account_scheduler_latency 12.44 ± 6% +12.0% 13.94 ± 1% perf-profile.cpu-cycles.__local_bh_enable_ip._raw_spin_unlock_bh.release_sock.__inet_stream_connect.inet_stream_connect 29.46 ± 4% -13.3% 25.54 ± 2% perf-profile.cpu-cycles.__local_bh_enable_ip.ip_finish_output2.ip_finish_output.ip_output.ip_local_out_sk 2.40 ± 15% -47.1% 1.27 ± 4% perf-profile.cpu-cycles.__local_bh_enable_ip.tcp_prequeue_process.tcp_recvmsg.inet_recvmsg.sock_recvmsg 1.49 ± 3% -15.6% 1.26 ± 1% perf-profile.cpu-cycles.__schedule.schedule.schedule_timeout.sk_wait_data.tcp_recvmsg 1.49 ± 4% -12.4% 1.31 ± 1% perf-profile.cpu-cycles.__sock_create.sys_socket.entry_SYSCALL_64_fastpath 21.55 ± 7% -38.8% 13.18 ± 10% perf-profile.cpu-cycles.__tcp_push_pending_frames.tcp_push.tcp_sendmsg.inet_sendmsg.sock_sendmsg 7.71 ± 3% +56.6% 12.09 ± 4% perf-profile.cpu-cycles.__tcp_push_pending_frames.tcp_send_fin.tcp_close.inet_release.sock_release 2.66 ± 2% -21.8% 2.08 ± 6% perf-profile.cpu-cycles.__vfs_read.vfs_read.sys_read.entry_SYSCALL_64_fastpath 8.51 ± 10% -44.9% 4.70 ± 13% perf-profile.cpu-cycles.__wake_up_common.__wake_up_sync_key.sock_def_readable.tcp_child_process.tcp_v4_do_rcv 16.79 ± 10% -43.8% 9.44 ± 12% perf-profile.cpu-cycles.__wake_up_common.__wake_up_sync_key.tcp_prequeue.tcp_v4_rcv.ip_local_deliver_finish 8.60 ± 11% -44.8% 4.75 ± 12% perf-profile.cpu-cycles.__wake_up_sync_key.sock_def_readable.tcp_child_process.tcp_v4_do_rcv.tcp_v4_rcv 16.96 ± 10% -43.6% 9.56 ± 12% perf-profile.cpu-cycles.__wake_up_sync_key.tcp_prequeue.tcp_v4_rcv.ip_local_deliver_finish.ip_local_deliver 0.82 ± 24% -42.1% 0.47 ± 6% perf-profile.cpu-cycles._raw_spin_lock.inode_doinit_with_dentry.selinux_d_instantiate.security_d_instantiate.d_instantiate 1.74 ± 20% -52.2% 0.83 ± 6% perf-profile.cpu-cycles._raw_spin_lock.selinux_inode_free_security.security_inode_free.__destroy_inode.destroy_inode 0.00 ± -1% +Inf% 6.25 ± 17% perf-profile.cpu-cycles._raw_spin_lock_bh.tcp_get_metrics.tcp_init_metrics.tcp_finish_connect.tcp_rcv_state_process 0.00 ± -1% +Inf% 5.69 ± 12% perf-profile.cpu-cycles._raw_spin_lock_bh.tcp_get_metrics.tcp_init_metrics.tcp_rcv_state_process.tcp_child_process 0.00 ± -1% +Inf% 8.21 ± 12% perf-profile.cpu-cycles._raw_spin_lock_bh.tcp_get_metrics.tcp_update_metrics.tcp_rcv_state_process.tcp_v4_do_rcv 0.00 ± -1% +Inf% 5.65 ± 13% perf-profile.cpu-cycles._raw_spin_lock_bh.tcp_get_metrics.tcp_update_metrics.tcp_time_wait.tcp_fin 14.89 ± 19% -60.2% 5.92 ± 26% perf-profile.cpu-cycles._raw_spin_lock_irqsave.__account_scheduler_latency.enqueue_entity.enqueue_task_fair.enqueue_task 12.46 ± 6% +11.8% 13.92 ± 1% perf-profile.cpu-cycles._raw_spin_unlock_bh.release_sock.__inet_stream_connect.inet_stream_connect.SYSC_connect 23.55 ± 11% -45.6% 12.82 ± 13% perf-profile.cpu-cycles.activate_task.ttwu_do_activate.try_to_wake_up.default_wake_function.autoremove_wake_function 8.49 ± 11% -45.0% 4.67 ± 13% perf-profile.cpu-cycles.autoremove_wake_function.__wake_up_common.__wake_up_sync_key.sock_def_readable.tcp_child_process 16.75 ± 10% -43.9% 9.40 ± 12% perf-profile.cpu-cycles.autoremove_wake_function.__wake_up_common.__wake_up_sync_key.tcp_prequeue.tcp_v4_rcv 1.82 ± 1% -23.9% 1.39 ± 1% perf-profile.cpu-cycles.copy_page_to_iter.generic_file_read_iter.__vfs_read.vfs_read.sys_read 1.29 ± 7% -42.3% 0.75 ± 26% perf-profile.cpu-cycles.d_instantiate.sock_alloc_file.SYSC_accept4.sys_accept.entry_SYSCALL_64_fastpath 8.47 ± 11% -44.9% 4.67 ± 12% perf-profile.cpu-cycles.default_wake_function.autoremove_wake_function.__wake_up_common.__wake_up_sync_key.sock_def_readable 16.71 ± 10% -44.0% 9.36 ± 12% perf-profile.cpu-cycles.default_wake_function.autoremove_wake_function.__wake_up_common.__wake_up_sync_key.tcp_prequeue 1.12 ± 5% -28.6% 0.80 ± 11% perf-profile.cpu-cycles.dequeue_task.deactivate_task.__schedule.schedule.schedule_timeout 2.62 ± 5% -45.4% 1.43 ± 25% perf-profile.cpu-cycles.destroy_inode.evict.iput.__dentry_kill.dput 1.44 ± 3% -16.1% 1.21 ± 2% perf-profile.cpu-cycles.dev_hard_start_xmit.__dev_queue_xmit.dev_queue_xmit_sk.ip_finish_output2.ip_finish_output 3.15 ± 3% -30.5% 2.18 ± 4% perf-profile.cpu-cycles.dev_queue_xmit_sk.ip_finish_output2.ip_finish_output.ip_output.ip_local_out_sk 2.07 ± 7% -32.2% 1.40 ± 3% perf-profile.cpu-cycles.do_filp_open.do_sys_open.sys_open.entry_SYSCALL_64_fastpath 1.65 ± 3% -17.7% 1.36 ± 2% perf-profile.cpu-cycles.do_mmap_pgoff.vm_mmap_pgoff.sys_mmap_pgoff.sys_mmap.entry_SYSCALL_64_fastpath 2.42 ± 2% -25.6% 1.80 ± 5% perf-profile.cpu-cycles.do_munmap.vm_munmap.sys_munmap.entry_SYSCALL_64_fastpath 16.19 ± 4% +65.9% 26.85 ± 4% perf-profile.cpu-cycles.do_notify_resume.int_signal 12.40 ± 6% +12.3% 13.92 ± 1% perf-profile.cpu-cycles.do_softirq.part.13.__local_bh_enable_ip._raw_spin_unlock_bh.release_sock.__inet_stream_connect 29.32 ± 4% -13.3% 25.43 ± 2% perf-profile.cpu-cycles.do_softirq.part.13.__local_bh_enable_ip.ip_finish_output2.ip_finish_output.ip_output 2.36 ± 15% -47.0% 1.25 ± 3% perf-profile.cpu-cycles.do_softirq.part.13.__local_bh_enable_ip.tcp_prequeue_process.tcp_recvmsg.inet_recvmsg 12.38 ± 6% +12.4% 13.91 ± 1% perf-profile.cpu-cycles.do_softirq_own_stack.do_softirq.__local_bh_enable_ip._raw_spin_unlock_bh.release_sock 29.23 ± 4% -13.3% 25.34 ± 2% perf-profile.cpu-cycles.do_softirq_own_stack.do_softirq.__local_bh_enable_ip.ip_finish_output2.ip_finish_output 2.27 ± 16% -45.7% 1.23 ± 3% perf-profile.cpu-cycles.do_softirq_own_stack.do_softirq.__local_bh_enable_ip.tcp_prequeue_process.tcp_recvmsg 2.44 ± 2% -30.5% 1.70 ± 6% perf-profile.cpu-cycles.do_sys_open.sys_open.entry_SYSCALL_64_fastpath 3.60 ± 15% -31.8% 2.46 ± 1% perf-profile.cpu-cycles.dput.__fput.____fput.task_work_run.do_notify_resume 5.97 ± 3% -24.1% 4.53 ± 4% perf-profile.cpu-cycles.dump_trace.save_stack_trace_tsk.__account_scheduler_latency.enqueue_entity.enqueue_task_fair 22.90 ± 12% -46.4% 12.28 ± 14% perf-profile.cpu-cycles.enqueue_entity.enqueue_task_fair.enqueue_task.activate_task.ttwu_do_activate 23.53 ± 11% -45.6% 12.80 ± 13% perf-profile.cpu-cycles.enqueue_task.activate_task.ttwu_do_activate.try_to_wake_up.default_wake_function 23.30 ± 11% -46.0% 12.59 ± 13% perf-profile.cpu-cycles.enqueue_task_fair.enqueue_task.activate_task.ttwu_do_activate.try_to_wake_up 81.30 ± 1% -12.6% 71.09 ± 1% perf-profile.cpu-cycles.entry_SYSCALL_64_fastpath 2.79 ± 9% -26.7% 2.05 ± 13% perf-profile.cpu-cycles.evict.iput.__dentry_kill.dput.__fput 2.63 ± 1% -24.7% 1.98 ± 5% perf-profile.cpu-cycles.generic_file_read_iter.__vfs_read.vfs_read.sys_read.entry_SYSCALL_64_fastpath 1.25 ± 1% -11.6% 1.10 ± 6% perf-profile.cpu-cycles.handle_mm_fault.__do_page_fault.do_page_fault.page_fault.copy_page_to_iter 1.61 ± 4% -17.0% 1.34 ± 2% perf-profile.cpu-cycles.inet_accept.SYSC_accept4.sys_accept.entry_SYSCALL_64_fastpath 1.08 ± 4% -27.3% 0.79 ± 5% perf-profile.cpu-cycles.inet_bind.SYSC_bind.sys_bind.entry_SYSCALL_64_fastpath 1.42 ± 4% -9.7% 1.28 ± 1% perf-profile.cpu-cycles.inet_csk_accept.inet_accept.SYSC_accept4.sys_accept.entry_SYSCALL_64_fastpath 10.13 ± 2% -20.2% 8.09 ± 3% perf-profile.cpu-cycles.inet_recvmsg.sock_recvmsg.SYSC_recvfrom.sys_recvfrom.entry_SYSCALL_64_fastpath 10.96 ± 2% +112.9% 23.33 ± 6% perf-profile.cpu-cycles.inet_release.sock_release.sock_close.__fput.____fput 23.08 ± 6% -37.9% 14.34 ± 9% perf-profile.cpu-cycles.inet_sendmsg.sock_sendmsg.SYSC_sendto.sys_sendto.entry_SYSCALL_64_fastpath 25.43 ± 1% +22.3% 31.09 ± 3% perf-profile.cpu-cycles.inet_stream_connect.SYSC_connect.sys_connect.entry_SYSCALL_64_fastpath 1.18 ± 13% -70.0% 0.35 ± 45% perf-profile.cpu-cycles.inode_doinit_with_dentry.selinux_d_instantiate.security_d_instantiate.d_instantiate.sock_alloc_file 16.22 ± 4% +65.8% 26.88 ± 4% perf-profile.cpu-cycles.int_signal 32.31 ± 4% -13.9% 27.82 ± 2% perf-profile.cpu-cycles.ip_finish_output.ip_output.ip_local_out_sk.ip_queue_xmit.tcp_transmit_skb 32.07 ± 3% -13.9% 27.61 ± 2% perf-profile.cpu-cycles.ip_finish_output2.ip_finish_output.ip_output.ip_local_out_sk.ip_queue_xmit 5.52 ± 2% -19.1% 4.46 ± 2% perf-profile.cpu-cycles.ip_local_out_sk.ip_queue_xmit.tcp_transmit_skb.tcp_connect.tcp_v4_connect 26.33 ± 5% -12.7% 22.97 ± 2% perf-profile.cpu-cycles.ip_local_out_sk.ip_queue_xmit.tcp_transmit_skb.tcp_write_xmit.__tcp_push_pending_frames 5.46 ± 2% -19.2% 4.41 ± 2% perf-profile.cpu-cycles.ip_output.ip_local_out_sk.ip_queue_xmit.tcp_transmit_skb.tcp_connect 1.52 ± 11% -28.4% 1.09 ± 4% perf-profile.cpu-cycles.ip_output.ip_local_out_sk.ip_queue_xmit.tcp_transmit_skb.tcp_send_ack 26.05 ± 5% -12.6% 22.77 ± 2% perf-profile.cpu-cycles.ip_output.ip_local_out_sk.ip_queue_xmit.tcp_transmit_skb.tcp_write_xmit 6.14 ± 2% -19.2% 4.96 ± 2% perf-profile.cpu-cycles.ip_queue_xmit.tcp_transmit_skb.tcp_connect.tcp_v4_connect.__inet_stream_connect 1.29 ± 10% -17.7% 1.06 ± 2% perf-profile.cpu-cycles.ip_queue_xmit.tcp_transmit_skb.tcp_send_ack.__tcp_ack_snd_check.tcp_rcv_established 20.46 ± 7% -40.0% 12.29 ± 10% perf-profile.cpu-cycles.ip_queue_xmit.tcp_transmit_skb.tcp_write_xmit.__tcp_push_pending_frames.tcp_push 6.16 ± 3% +76.8% 10.88 ± 5% perf-profile.cpu-cycles.ip_queue_xmit.tcp_transmit_skb.tcp_write_xmit.__tcp_push_pending_frames.tcp_send_fin 2.96 ± 13% -23.7% 2.25 ± 7% perf-profile.cpu-cycles.iput.__dentry_kill.dput.__fput.____fput 1.23 ± 5% -25.3% 0.92 ± 9% perf-profile.cpu-cycles.is_module_text_address.__kernel_text_address.print_context_stack.dump_trace.save_stack_trace_tsk 1.18 ± 3% -23.6% 0.90 ± 4% perf-profile.cpu-cycles.loopback_xmit.dev_hard_start_xmit.__dev_queue_xmit.dev_queue_xmit_sk.ip_finish_output2 1.40 ± 23% -79.7% 0.28 ± 17% perf-profile.cpu-cycles.native_queued_spin_lock_slowpath._raw_spin_lock.selinux_inode_free_security.security_inode_free.__destroy_inode 0.00 ± -1% +Inf% 6.06 ± 17% perf-profile.cpu-cycles.native_queued_spin_lock_slowpath._raw_spin_lock_bh.tcp_get_metrics.tcp_init_metrics.tcp_finish_connect 0.00 ± -1% +Inf% 5.52 ± 12% perf-profile.cpu-cycles.native_queued_spin_lock_slowpath._raw_spin_lock_bh.tcp_get_metrics.tcp_init_metrics.tcp_rcv_state_process 0.00 ± -1% +Inf% 7.96 ± 12% perf-profile.cpu-cycles.native_queued_spin_lock_slowpath._raw_spin_lock_bh.tcp_get_metrics.tcp_update_metrics.tcp_rcv_state_process 0.00 ± -1% +Inf% 5.49 ± 14% perf-profile.cpu-cycles.native_queued_spin_lock_slowpath._raw_spin_lock_bh.tcp_get_metrics.tcp_update_metrics.tcp_time_wait 14.34 ± 20% -61.6% 5.50 ± 28% perf-profile.cpu-cycles.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.__account_scheduler_latency.enqueue_entity.enqueue_task_fair 1.91 ± 7% -29.3% 1.35 ± 3% perf-profile.cpu-cycles.path_openat.do_filp_open.do_sys_open.sys_open.entry_SYSCALL_64_fastpath 5.42 ± 4% -24.0% 4.12 ± 2% perf-profile.cpu-cycles.print_context_stack.dump_trace.save_stack_trace_tsk.__account_scheduler_latency.enqueue_entity 15.36 ± 4% +49.3% 22.93 ± 5% perf-profile.cpu-cycles.release_sock.__inet_stream_connect.inet_stream_connect.SYSC_connect.sys_connect 1.47 ± 4% +572.7% 9.86 ± 9% perf-profile.cpu-cycles.release_sock.tcp_close.inet_release.sock_release.sock_close 5.99 ± 3% -23.9% 4.56 ± 4% perf-profile.cpu-cycles.save_stack_trace_tsk.__account_scheduler_latency.enqueue_entity.enqueue_task_fair.enqueue_task 0.94 ± 3% -21.5% 0.74 ± 3% perf-profile.cpu-cycles.schedule.schedule_timeout.inet_csk_accept.inet_accept.SYSC_accept4 1.55 ± 4% -17.0% 1.28 ± 1% perf-profile.cpu-cycles.schedule.schedule_timeout.sk_wait_data.tcp_recvmsg.inet_recvmsg 0.96 ± 3% -22.1% 0.75 ± 3% perf-profile.cpu-cycles.schedule_timeout.inet_csk_accept.inet_accept.SYSC_accept4.sys_accept 1.58 ± 3% -18.3% 1.29 ± 1% perf-profile.cpu-cycles.schedule_timeout.sk_wait_data.tcp_recvmsg.inet_recvmsg.sock_recvmsg 1.25 ± 7% -57.6% 0.53 ± 40% perf-profile.cpu-cycles.security_d_instantiate.d_instantiate.sock_alloc_file.SYSC_accept4.sys_accept 2.41 ± 9% -73.2% 0.65 ± 47% perf-profile.cpu-cycles.security_inode_free.__destroy_inode.destroy_inode.evict.iput 1.01 ± 8% -36.1% 0.64 ± 6% perf-profile.cpu-cycles.security_sock_rcv_skb.sk_filter.tcp_v4_rcv.ip_local_deliver_finish.ip_local_deliver 1.21 ± 2% -20.3% 0.96 ± 1% perf-profile.cpu-cycles.security_socket_bind.SYSC_bind.sys_bind.entry_SYSCALL_64_fastpath 1.24 ± 8% -58.7% 0.51 ± 42% perf-profile.cpu-cycles.selinux_d_instantiate.security_d_instantiate.d_instantiate.sock_alloc_file.SYSC_accept4 2.38 ± 9% -74.9% 0.60 ± 47% perf-profile.cpu-cycles.selinux_inode_free_security.security_inode_free.__destroy_inode.destroy_inode.evict 1.19 ± 3% -23.6% 0.91 ± 2% perf-profile.cpu-cycles.selinux_socket_bind.security_socket_bind.SYSC_bind.sys_bind.entry_SYSCALL_64_fastpath 1.14 ± 4% -19.7% 0.92 ± 3% perf-profile.cpu-cycles.sk_filter.tcp_v4_rcv.ip_local_deliver_finish.ip_local_deliver.ip_rcv_finish 2.45 ± 2% -12.9% 2.14 ± 5% perf-profile.cpu-cycles.sk_wait_data.tcp_recvmsg.inet_recvmsg.sock_recvmsg.SYSC_recvfrom 1.48 ± 11% -18.1% 1.21 ± 3% perf-profile.cpu-cycles.sock_alloc_file.SYSC_accept4.sys_accept.entry_SYSCALL_64_fastpath 11.04 ± 2% +112.7% 23.48 ± 6% perf-profile.cpu-cycles.sock_close.__fput.____fput.task_work_run.do_notify_resume 8.65 ± 10% -44.5% 4.80 ± 12% perf-profile.cpu-cycles.sock_def_readable.tcp_child_process.tcp_v4_do_rcv.tcp_v4_rcv.ip_local_deliver_finish 10.42 ± 2% -20.3% 8.30 ± 3% perf-profile.cpu-cycles.sock_recvmsg.SYSC_recvfrom.sys_recvfrom.entry_SYSCALL_64_fastpath 11.02 ± 2% +113.0% 23.48 ± 6% perf-profile.cpu-cycles.sock_release.sock_close.__fput.____fput.task_work_run 23.26 ± 6% -37.7% 14.49 ± 9% perf-profile.cpu-cycles.sock_sendmsg.SYSC_sendto.sys_sendto.entry_SYSCALL_64_fastpath 4.31 ± 7% -26.6% 3.17 ± 6% perf-profile.cpu-cycles.sys_accept.entry_SYSCALL_64_fastpath 2.16 ± 3% -25.0% 1.62 ± 4% perf-profile.cpu-cycles.sys_bind.entry_SYSCALL_64_fastpath 26.02 ± 1% +21.0% 31.48 ± 3% perf-profile.cpu-cycles.sys_connect.entry_SYSCALL_64_fastpath 2.09 ± 4% -27.8% 1.51 ± 3% perf-profile.cpu-cycles.sys_mmap.entry_SYSCALL_64_fastpath 2.07 ± 4% -27.4% 1.50 ± 3% perf-profile.cpu-cycles.sys_mmap_pgoff.sys_mmap.entry_SYSCALL_64_fastpath 2.53 ± 2% -21.6% 1.98 ± 5% perf-profile.cpu-cycles.sys_munmap.entry_SYSCALL_64_fastpath 2.49 ± 3% -28.9% 1.77 ± 7% perf-profile.cpu-cycles.sys_open.entry_SYSCALL_64_fastpath 2.96 ± 3% -20.2% 2.37 ± 2% perf-profile.cpu-cycles.sys_read.entry_SYSCALL_64_fastpath 10.74 ± 2% -20.7% 8.52 ± 2% perf-profile.cpu-cycles.sys_recvfrom.entry_SYSCALL_64_fastpath 23.48 ± 6% -37.4% 14.69 ± 9% perf-profile.cpu-cycles.sys_sendto.entry_SYSCALL_64_fastpath 2.43 ± 2% -23.8% 1.85 ± 6% perf-profile.cpu-cycles.sys_socket.entry_SYSCALL_64_fastpath 16.06 ± 4% +66.8% 26.79 ± 5% perf-profile.cpu-cycles.task_work_run.do_notify_resume.int_signal 1.94 ± 5% -24.0% 1.48 ± 2% perf-profile.cpu-cycles.tcp_check_req.tcp_v4_do_rcv.tcp_v4_rcv.ip_local_deliver_finish.ip_local_deliver 9.42 ± 9% +21.5% 11.45 ± 1% perf-profile.cpu-cycles.tcp_child_process.tcp_v4_do_rcv.tcp_v4_rcv.ip_local_deliver_finish.ip_local_deliver 10.82 ± 2% +114.2% 23.18 ± 6% perf-profile.cpu-cycles.tcp_close.inet_release.sock_release.sock_close.__fput 2.44 ± 2% -24.6% 1.84 ± 4% perf-profile.cpu-cycles.tcp_conn_request.tcp_v4_conn_request.tcp_rcv_state_process.tcp_v4_do_rcv.tcp_v4_rcv 7.43 ± 2% -19.2% 6.00 ± 2% perf-profile.cpu-cycles.tcp_connect.tcp_v4_connect.__inet_stream_connect.inet_stream_connect.SYSC_connect 1.16 ± 6% -35.6% 0.74 ± 8% perf-profile.cpu-cycles.tcp_create_openreq_child.tcp_v4_syn_recv_sock.tcp_check_req.tcp_v4_do_rcv.tcp_v4_rcv 2.52 ± 4% +215.6% 7.96 ± 9% perf-profile.cpu-cycles.tcp_data_queue.tcp_rcv_state_process.tcp_v4_do_rcv.tcp_v4_rcv.ip_local_deliver_finish 1.14 ± 7% -26.3% 0.84 ± 3% perf-profile.cpu-cycles.tcp_done.tcp_time_wait.tcp_fin.tcp_data_queue.tcp_rcv_state_process 2.41 ± 3% +224.9% 7.82 ± 9% perf-profile.cpu-cycles.tcp_fin.tcp_data_queue.tcp_rcv_state_process.tcp_v4_do_rcv.tcp_v4_rcv 1.10 ± 2% +565.6% 7.30 ± 15% perf-profile.cpu-cycles.tcp_finish_connect.tcp_rcv_state_process.tcp_v4_do_rcv.release_sock.__inet_stream_connect 0.11 ± 19% +5669.6% 6.63 ± 17% perf-profile.cpu-cycles.tcp_get_metrics.tcp_init_metrics.tcp_finish_connect.tcp_rcv_state_process.tcp_v4_do_rcv 0.10 ± 15% +5890.0% 5.99 ± 11% perf-profile.cpu-cycles.tcp_get_metrics.tcp_init_metrics.tcp_rcv_state_process.tcp_child_process.tcp_v4_do_rcv 0.10 ± 15% +8738.5% 8.62 ± 11% perf-profile.cpu-cycles.tcp_get_metrics.tcp_update_metrics.tcp_rcv_state_process.tcp_v4_do_rcv.release_sock 0.11 ± 18% +5345.5% 5.99 ± 12% perf-profile.cpu-cycles.tcp_get_metrics.tcp_update_metrics.tcp_time_wait.tcp_fin.tcp_data_queue 0.03 ± 35% +25137.5% 6.73 ± 16% perf-profile.cpu-cycles.tcp_init_metrics.tcp_finish_connect.tcp_rcv_state_process.tcp_v4_do_rcv.release_sock 0.02 ± 53% +25935.7% 6.08 ± 11% perf-profile.cpu-cycles.tcp_init_metrics.tcp_rcv_state_process.tcp_child_process.tcp_v4_do_rcv.tcp_v4_rcv 17.50 ± 9% -43.1% 9.95 ± 12% perf-profile.cpu-cycles.tcp_prequeue.tcp_v4_rcv.ip_local_deliver_finish.ip_local_deliver.ip_rcv_finish 7.24 ± 3% -19.9% 5.80 ± 3% perf-profile.cpu-cycles.tcp_prequeue_process.tcp_recvmsg.inet_recvmsg.sock_recvmsg.SYSC_recvfrom 21.65 ± 7% -39.0% 13.21 ± 10% perf-profile.cpu-cycles.tcp_push.tcp_sendmsg.inet_sendmsg.sock_sendmsg.SYSC_sendto 3.75 ± 3% -30.0% 2.62 ± 2% perf-profile.cpu-cycles.tcp_rcv_established.tcp_v4_do_rcv.tcp_prequeue_process.tcp_recvmsg.inet_recvmsg 0.49 ± 8% +1221.9% 6.48 ± 10% perf-profile.cpu-cycles.tcp_rcv_state_process.tcp_child_process.tcp_v4_do_rcv.tcp_v4_rcv.ip_local_deliver_finish 2.71 ± 2% +226.3% 8.84 ± 12% perf-profile.cpu-cycles.tcp_rcv_state_process.tcp_v4_do_rcv.release_sock.__inet_stream_connect.inet_stream_connect 1.37 ± 4% +610.4% 9.75 ± 9% perf-profile.cpu-cycles.tcp_rcv_state_process.tcp_v4_do_rcv.release_sock.tcp_close.inet_release 6.49 ± 3% +71.7% 11.15 ± 5% perf-profile.cpu-cycles.tcp_rcv_state_process.tcp_v4_do_rcv.tcp_v4_rcv.ip_local_deliver_finish.ip_local_deliver 10.02 ± 3% -20.1% 8.01 ± 3% perf-profile.cpu-cycles.tcp_recvmsg.inet_recvmsg.sock_recvmsg.SYSC_recvfrom.sys_recvfrom 2.40 ± 1% -14.1% 2.06 ± 3% perf-profile.cpu-cycles.tcp_send_ack.__tcp_ack_snd_check.tcp_rcv_established.tcp_v4_do_rcv.tcp_prequeue_process 8.41 ± 2% +47.8% 12.42 ± 4% perf-profile.cpu-cycles.tcp_send_fin.tcp_close.inet_release.sock_release.sock_close 22.87 ± 6% -38.2% 14.14 ± 9% perf-profile.cpu-cycles.tcp_sendmsg.inet_sendmsg.sock_sendmsg.SYSC_sendto.sys_sendto 1.43 ± 3% +400.0% 7.14 ± 10% perf-profile.cpu-cycles.tcp_time_wait.tcp_fin.tcp_data_queue.tcp_rcv_state_process.tcp_v4_do_rcv 6.51 ± 2% -19.0% 5.27 ± 2% perf-profile.cpu-cycles.tcp_transmit_skb.tcp_connect.tcp_v4_connect.__inet_stream_connect.inet_stream_connect 1.71 ± 4% -19.6% 1.37 ± 2% perf-profile.cpu-cycles.tcp_transmit_skb.tcp_send_ack.__tcp_ack_snd_check.tcp_rcv_established.tcp_v4_do_rcv 20.86 ± 7% -39.4% 12.65 ± 10% perf-profile.cpu-cycles.tcp_transmit_skb.tcp_write_xmit.__tcp_push_pending_frames.tcp_push.tcp_sendmsg 6.46 ± 2% +72.5% 11.13 ± 5% perf-profile.cpu-cycles.tcp_transmit_skb.tcp_write_xmit.__tcp_push_pending_frames.tcp_send_fin.tcp_close 0.06 ± 48% +14437.5% 8.72 ± 11% perf-profile.cpu-cycles.tcp_update_metrics.tcp_rcv_state_process.tcp_v4_do_rcv.release_sock.tcp_close 0.07 ± 57% +8066.7% 6.12 ± 12% perf-profile.cpu-cycles.tcp_update_metrics.tcp_time_wait.tcp_fin.tcp_data_queue.tcp_rcv_state_process 2.53 ± 1% -22.5% 1.96 ± 3% perf-profile.cpu-cycles.tcp_v4_conn_request.tcp_rcv_state_process.tcp_v4_do_rcv.tcp_v4_rcv.ip_local_deliver_finish 8.76 ± 2% -19.5% 7.05 ± 2% perf-profile.cpu-cycles.tcp_v4_connect.__inet_stream_connect.inet_stream_connect.SYSC_connect.sys_connect 2.81 ± 2% +216.7% 8.91 ± 12% perf-profile.cpu-cycles.tcp_v4_do_rcv.release_sock.__inet_stream_connect.inet_stream_connect.SYSC_connect 1.40 ± 4% +602.0% 9.79 ± 9% perf-profile.cpu-cycles.tcp_v4_do_rcv.release_sock.tcp_close.inet_release.sock_release 3.92 ± 2% -64.3% 1.40 ± 18% perf-profile.cpu-cycles.tcp_v4_do_rcv.tcp_prequeue_process.tcp_recvmsg.inet_recvmsg.sock_recvmsg 19.08 ± 3% +31.2% 25.04 ± 2% perf-profile.cpu-cycles.tcp_v4_do_rcv.tcp_v4_rcv.ip_local_deliver_finish.ip_local_deliver.ip_rcv_finish 1.24 ± 1% -13.7% 1.07 ± 5% perf-profile.cpu-cycles.tcp_v4_send_synack.tcp_conn_request.tcp_v4_conn_request.tcp_rcv_state_process.tcp_v4_do_rcv 1.48 ± 2% -11.1% 1.32 ± 1% perf-profile.cpu-cycles.tcp_v4_syn_recv_sock.tcp_check_req.tcp_v4_do_rcv.tcp_v4_rcv.ip_local_deliver_finish 21.47 ± 7% -39.0% 13.11 ± 9% perf-profile.cpu-cycles.tcp_write_xmit.__tcp_push_pending_frames.tcp_push.tcp_sendmsg.inet_sendmsg 7.65 ± 2% +57.3% 12.04 ± 5% perf-profile.cpu-cycles.tcp_write_xmit.__tcp_push_pending_frames.tcp_send_fin.tcp_close.inet_release 0.43 ± 20% +135.6% 1.03 ± 7% perf-profile.cpu-cycles.tick_sched_handle.isra.17.tick_sched_timer.__hrtimer_run_queues.hrtimer_interrupt.local_apic_timer_interrupt 0.51 ± 18% +107.4% 1.06 ± 7% perf-profile.cpu-cycles.tick_sched_timer.__hrtimer_run_queues.hrtimer_interrupt.local_apic_timer_interrupt.smp_apic_timer_interrupt 25.09 ± 10% -44.3% 13.97 ± 12% perf-profile.cpu-cycles.try_to_wake_up.default_wake_function.autoremove_wake_function.__wake_up_common.__wake_up_sync_key 23.97 ± 11% -45.4% 13.10 ± 13% perf-profile.cpu-cycles.ttwu_do_activate.constprop.83.try_to_wake_up.default_wake_function.autoremove_wake_function.__wake_up_common 0.39 ± 24% +153.9% 0.98 ± 8% perf-profile.cpu-cycles.update_process_times.tick_sched_handle.tick_sched_timer.__hrtimer_run_queues.hrtimer_interrupt 2.88 ± 3% -19.8% 2.31 ± 4% perf-profile.cpu-cycles.vfs_read.sys_read.entry_SYSCALL_64_fastpath 2.01 ± 4% -26.9% 1.47 ± 2% perf-profile.cpu-cycles.vm_mmap_pgoff.sys_mmap_pgoff.sys_mmap.entry_SYSCALL_64_fastpath 2.50 ± 2% -24.4% 1.89 ± 5% perf-profile.cpu-cycles.vm_munmap.sys_munmap.entry_SYSCALL_64_fastpath 175.75 ± 26% -67.3% 57.50 ± 62% sched_debug.cfs_rq[0]:/.blocked_load_avg 195.75 ± 24% -61.9% 74.50 ± 45% sched_debug.cfs_rq[0]:/.tg_load_contrib 1267483 ± 58% +241.8% 4331730 ± 32% sched_debug.cfs_rq[10]:/.MIN_vruntime 106.50 ± 67% +167.1% 284.50 ± 43% sched_debug.cfs_rq[10]:/.blocked_load_avg 20.25 ± 21% +95.1% 39.50 ± 9% sched_debug.cfs_rq[10]:/.load 1267483 ± 58% +241.8% 4331730 ± 32% sched_debug.cfs_rq[10]:/.max_vruntime 7064228 ± 4% +24.8% 8816370 ± 6% sched_debug.cfs_rq[10]:/.min_vruntime 124.00 ± 57% +150.2% 310.25 ± 39% sched_debug.cfs_rq[10]:/.tg_load_contrib 7354915 ± 10% +30.2% 9574721 ± 15% sched_debug.cfs_rq[11]:/.min_vruntime 562.00 ± 14% +29.7% 729.00 ± 9% sched_debug.cfs_rq[11]:/.utilization_load_avg 328.50 ± 84% -74.7% 83.00 ±120% sched_debug.cfs_rq[17]:/.blocked_load_avg 348.75 ± 79% -70.8% 102.00 ± 94% sched_debug.cfs_rq[17]:/.tg_load_contrib 550.25 ± 7% +17.9% 648.50 ± 9% sched_debug.cfs_rq[20]:/.utilization_load_avg 3859894 ± 33% -84.1% 613604 ±133% sched_debug.cfs_rq[21]:/.MIN_vruntime 3859894 ± 33% -84.1% 613604 ±133% sched_debug.cfs_rq[21]:/.max_vruntime 3393438 ± 42% -100.0% 0.00 ± 0% sched_debug.cfs_rq[23]:/.MIN_vruntime 3393438 ± 42% -100.0% 0.00 ± 0% sched_debug.cfs_rq[23]:/.max_vruntime 6969709 ± 6% +9.1% 7603127 ± 4% sched_debug.cfs_rq[23]:/.min_vruntime 20.25 ± 18% -38.3% 12.50 ± 4% sched_debug.cfs_rq[23]:/.runnable_load_avg 21.50 ± 19% +445.3% 117.25 ± 68% sched_debug.cfs_rq[27]:/.load 16.50 ± 10% +31.8% 21.75 ± 5% sched_debug.cfs_rq[27]:/.runnable_load_avg 784.00 ± 91% -87.7% 96.75 ± 92% sched_debug.cfs_rq[28]:/.blocked_load_avg 800.25 ± 89% -85.6% 115.25 ± 75% sched_debug.cfs_rq[28]:/.tg_load_contrib 6864371 ± 11% +28.0% 8788136 ± 10% sched_debug.cfs_rq[2]:/.min_vruntime -160064 ±-318% -624.8% 839954 ± 61% sched_debug.cfs_rq[2]:/.spread0 91.50 ± 28% -62.0% 34.75 ± 78% sched_debug.cfs_rq[30]:/.nr_spread_over 488.75 ± 18% +29.1% 631.00 ± 10% sched_debug.cfs_rq[30]:/.utilization_load_avg 84.00 ± 36% -54.2% 38.50 ± 60% sched_debug.cfs_rq[31]:/.nr_spread_over 6916568 ± 11% +13.9% 7879054 ± 6% sched_debug.cfs_rq[32]:/.min_vruntime 116.50 ±125% -82.6% 20.25 ± 42% sched_debug.cfs_rq[34]:/.load 6871979 ± 12% +28.6% 8834078 ± 11% sched_debug.cfs_rq[34]:/.min_vruntime 23.25 ± 11% -37.6% 14.50 ± 24% sched_debug.cfs_rq[34]:/.runnable_load_avg -153189 ±-326% -677.7% 885021 ± 64% sched_debug.cfs_rq[34]:/.spread0 7.75 ± 27% +377.4% 37.00 ± 57% sched_debug.cfs_rq[35]:/.blocked_load_avg 6977299 ± 10% +21.0% 8439329 ± 15% sched_debug.cfs_rq[35]:/.min_vruntime 6848733 ± 11% +22.6% 8396951 ± 10% sched_debug.cfs_rq[37]:/.min_vruntime -176509 ±-214% -353.7% 447796 ±108% sched_debug.cfs_rq[37]:/.spread0 6783146 ± 8% +25.7% 8525859 ± 14% sched_debug.cfs_rq[38]:/.min_vruntime 511.50 ± 9% +37.9% 705.25 ± 3% sched_debug.cfs_rq[38]:/.utilization_load_avg 6750617 ± 4% +24.5% 8403331 ± 11% sched_debug.cfs_rq[39]:/.min_vruntime 6957525 ± 8% +20.8% 8406635 ± 15% sched_debug.cfs_rq[3]:/.min_vruntime 7280418 ± 2% +22.5% 8920591 ± 14% sched_debug.cfs_rq[40]:/.min_vruntime 7111998 ± 5% +25.1% 8894040 ± 7% sched_debug.cfs_rq[42]:/.min_vruntime 7354642 ± 10% +30.2% 9579368 ± 15% sched_debug.cfs_rq[43]:/.min_vruntime 48.50 ±103% +123.7% 108.50 ± 60% sched_debug.cfs_rq[43]:/.nr_spread_over 7446762 ± 7% +21.6% 9051878 ± 17% sched_debug.cfs_rq[44]:/.min_vruntime 435.50 ± 22% +43.4% 624.50 ± 12% sched_debug.cfs_rq[46]:/.utilization_load_avg 489.00 ± 7% +34.3% 656.50 ± 8% sched_debug.cfs_rq[48]:/.utilization_load_avg 21.75 ± 51% +55.2% 33.75 ± 14% sched_debug.cfs_rq[49]:/.nr_spread_over 282.00 ± 81% -83.5% 46.50 ±117% sched_debug.cfs_rq[4]:/.blocked_load_avg 302.25 ± 75% -79.2% 62.75 ± 88% sched_debug.cfs_rq[4]:/.tg_load_contrib 568.50 ± 19% +24.7% 709.00 ± 1% sched_debug.cfs_rq[4]:/.utilization_load_avg 47.75 ± 69% +703.1% 383.50 ± 78% sched_debug.cfs_rq[50]:/.blocked_load_avg 62.75 ± 52% +541.4% 402.50 ± 75% sched_debug.cfs_rq[50]:/.tg_load_contrib 516.00 ± 13% +34.1% 691.75 ± 12% sched_debug.cfs_rq[50]:/.utilization_load_avg 6918551 ± 5% +9.8% 7594242 ± 5% sched_debug.cfs_rq[55]:/.min_vruntime 70.00 ± 45% -49.6% 35.25 ± 67% sched_debug.cfs_rq[58]:/.nr_spread_over 518.25 ± 22% +33.3% 691.00 ± 6% sched_debug.cfs_rq[58]:/.utilization_load_avg 482.00 ± 15% +30.7% 630.00 ± 5% sched_debug.cfs_rq[59]:/.utilization_load_avg 6893442 ± 10% +22.3% 8433961 ± 9% sched_debug.cfs_rq[5]:/.min_vruntime 561.50 ± 5% +18.1% 663.00 ± 9% sched_debug.cfs_rq[5]:/.utilization_load_avg 2118027 ± 62% -82.9% 361211 ±109% sched_debug.cfs_rq[61]:/.MIN_vruntime 2118027 ± 62% -82.9% 361211 ±109% sched_debug.cfs_rq[61]:/.max_vruntime 3804794 ± 35% -60.4% 1508156 ± 71% sched_debug.cfs_rq[62]:/.MIN_vruntime 3804794 ± 35% -60.4% 1508156 ± 71% sched_debug.cfs_rq[62]:/.max_vruntime 3234850 ± 51% -64.2% 1157307 ±145% sched_debug.cfs_rq[6]:/.MIN_vruntime 3234850 ± 51% -64.2% 1157307 ±145% sched_debug.cfs_rq[6]:/.max_vruntime 6791201 ± 8% +26.7% 8601638 ± 15% sched_debug.cfs_rq[6]:/.min_vruntime 6657096 ± 4% +26.2% 8398917 ± 11% sched_debug.cfs_rq[7]:/.min_vruntime 558.75 ± 11% +29.8% 725.00 ± 11% sched_debug.cfs_rq[7]:/.utilization_load_avg 7286102 ± 1% +23.1% 8965833 ± 15% sched_debug.cfs_rq[8]:/.min_vruntime 3383122 ± 2% -17.9% 2775877 ± 1% sched_debug.cpu#0.nr_switches 3392389 ± 2% -17.9% 2785232 ± 1% sched_debug.cpu#0.sched_count 3380345 ± 2% -19.0% 2737980 ± 1% sched_debug.cpu#0.ttwu_count 3364390 ± 2% -18.8% 2733371 ± 1% sched_debug.cpu#0.ttwu_local 34.25 ± 59% -56.9% 14.75 ± 12% sched_debug.cpu#1.cpu_load[0] 28.50 ± 42% -48.2% 14.75 ± 10% sched_debug.cpu#1.cpu_load[1] 26.75 ± 36% -43.9% 15.00 ± 12% sched_debug.cpu#1.cpu_load[2] 25.25 ± 34% -40.6% 15.00 ± 9% sched_debug.cpu#1.cpu_load[3] 22.50 ± 34% -44.4% 12.50 ± 8% sched_debug.cpu#1.cpu_load[4] 3369428 ± 2% -16.2% 2824862 ± 1% sched_debug.cpu#1.nr_switches 3371094 ± 2% -16.1% 2827260 ± 1% sched_debug.cpu#1.sched_count 3389319 ± 2% -17.1% 2810445 ± 1% sched_debug.cpu#1.ttwu_count 3353366 ± 2% -16.3% 2807598 ± 1% sched_debug.cpu#1.ttwu_local 3335017 ± 2% -15.4% 2820801 ± 1% sched_debug.cpu#10.nr_switches 3335956 ± 2% -15.4% 2821090 ± 1% sched_debug.cpu#10.sched_count 3336430 ± 2% -15.9% 2806740 ± 1% sched_debug.cpu#10.ttwu_count 3318441 ± 2% -15.5% 2804699 ± 1% sched_debug.cpu#10.ttwu_local 3370289 ± 3% -16.3% 2821155 ± 2% sched_debug.cpu#11.nr_switches 3371290 ± 3% -16.3% 2821629 ± 2% sched_debug.cpu#11.sched_count 3361232 ± 3% -15.8% 2829002 ± 2% sched_debug.cpu#11.ttwu_count 3358106 ± 3% -16.4% 2807327 ± 2% sched_debug.cpu#11.ttwu_local 16.50 ± 13% -25.8% 12.25 ± 15% sched_debug.cpu#12.cpu_load[4] 3398141 ± 3% -17.9% 2791418 ± 2% sched_debug.cpu#12.nr_switches 3400097 ± 3% -17.9% 2793004 ± 2% sched_debug.cpu#12.sched_count 1646 ± 32% +66.4% 2739 ± 24% sched_debug.cpu#12.sched_goidle 3395185 ± 3% -17.7% 2792849 ± 3% sched_debug.cpu#12.ttwu_count 3392814 ± 3% -18.5% 2766292 ± 2% sched_debug.cpu#12.ttwu_local 3384418 ± 4% -16.9% 2813855 ± 1% sched_debug.cpu#13.nr_switches 3385991 ± 4% -16.8% 2817516 ± 1% sched_debug.cpu#13.sched_count 3385348 ± 3% -17.2% 2804182 ± 2% sched_debug.cpu#13.ttwu_count 3369621 ± 4% -16.9% 2800765 ± 2% sched_debug.cpu#13.ttwu_local 3377257 ± 3% -16.1% 2833788 ± 2% sched_debug.cpu#14.nr_switches 3379864 ± 3% -16.1% 2836414 ± 2% sched_debug.cpu#14.sched_count 3360760 ± 3% -15.9% 2826049 ± 2% sched_debug.cpu#14.ttwu_count 3357666 ± 3% -15.9% 2823748 ± 2% sched_debug.cpu#14.ttwu_local 3380508 ± 3% -16.2% 2833752 ± 1% sched_debug.cpu#15.nr_switches 3381560 ± 3% -16.2% 2834059 ± 1% sched_debug.cpu#15.sched_count 3381759 ± 3% -16.1% 2838452 ± 2% sched_debug.cpu#15.ttwu_count 3368631 ± 3% -16.4% 2814682 ± 1% sched_debug.cpu#15.ttwu_local 3389967 ± 2% -17.6% 2791917 ± 1% sched_debug.cpu#16.nr_switches 3392333 ± 2% -17.6% 2794492 ± 1% sched_debug.cpu#16.sched_count 3395971 ± 2% -18.1% 2780908 ± 1% sched_debug.cpu#16.ttwu_count 3380594 ± 2% -18.0% 2770502 ± 1% sched_debug.cpu#16.ttwu_local 3379066 ± 2% -17.0% 2804619 ± 2% sched_debug.cpu#17.nr_switches 3379518 ± 2% -17.0% 2806250 ± 2% sched_debug.cpu#17.sched_count 3369568 ± 3% -17.2% 2790359 ± 2% sched_debug.cpu#17.ttwu_count 3366929 ± 3% -17.2% 2788295 ± 2% sched_debug.cpu#17.ttwu_local 3364431 ± 2% -17.1% 2787730 ± 1% sched_debug.cpu#18.nr_switches 3364899 ± 2% -17.1% 2788705 ± 1% sched_debug.cpu#18.sched_count 3358511 ± 2% -17.3% 2776889 ± 1% sched_debug.cpu#18.ttwu_count 3348289 ± 2% -17.6% 2759313 ± 1% sched_debug.cpu#18.ttwu_local 16.75 ± 10% -17.9% 13.75 ± 12% sched_debug.cpu#19.cpu_load[4] 3389035 ± 2% -17.5% 2794874 ± 1% sched_debug.cpu#19.nr_switches 3390379 ± 2% -17.4% 2800760 ± 1% sched_debug.cpu#19.sched_count 3382434 ± 2% -17.7% 2785348 ± 1% sched_debug.cpu#19.ttwu_count 3379051 ± 2% -17.7% 2781538 ± 1% sched_debug.cpu#19.ttwu_local 23.00 ± 21% -38.0% 14.25 ± 7% sched_debug.cpu#2.cpu_load[3] 3360803 ± 2% -16.7% 2800049 ± 1% sched_debug.cpu#2.nr_switches 3361823 ± 2% -16.5% 2805748 ± 1% sched_debug.cpu#2.sched_count 3343040 ± 2% -16.6% 2789182 ± 1% sched_debug.cpu#2.ttwu_count 3338401 ± 2% -16.5% 2787168 ± 1% sched_debug.cpu#2.ttwu_local 3341149 ± 2% -16.8% 2779014 ± 2% sched_debug.cpu#20.nr_switches 3341677 ± 2% -16.8% 2780361 ± 2% sched_debug.cpu#20.sched_count 3317813 ± 1% -16.5% 2771814 ± 2% sched_debug.cpu#20.ttwu_count 3313754 ± 1% -16.9% 2752947 ± 3% sched_debug.cpu#20.ttwu_local 3393487 ± 2% -17.6% 2795372 ± 1% sched_debug.cpu#21.nr_switches 3400093 ± 2% -17.7% 2796868 ± 1% sched_debug.cpu#21.sched_count 3378310 ± 2% -17.5% 2787801 ± 2% sched_debug.cpu#21.ttwu_count 3376315 ± 2% -17.7% 2780178 ± 2% sched_debug.cpu#21.ttwu_local 16.75 ± 2% -14.9% 14.25 ± 7% sched_debug.cpu#22.cpu_load[4] 3387714 ± 2% -17.2% 2803908 ± 2% sched_debug.cpu#22.nr_switches 3388108 ± 2% -17.2% 2805212 ± 2% sched_debug.cpu#22.sched_count 3384725 ± 2% -17.5% 2792197 ± 2% sched_debug.cpu#22.ttwu_count 3382935 ± 2% -17.6% 2788179 ± 2% sched_debug.cpu#22.ttwu_local 21.25 ± 13% -24.7% 16.00 ± 13% sched_debug.cpu#23.cpu_load[3] 18.00 ± 13% -23.6% 13.75 ± 9% sched_debug.cpu#23.cpu_load[4] 3401316 ± 2% -17.5% 2805389 ± 2% sched_debug.cpu#23.nr_switches 3405993 ± 2% -17.6% 2807165 ± 2% sched_debug.cpu#23.sched_count 3390254 ± 2% -17.0% 2814478 ± 1% sched_debug.cpu#23.ttwu_count 3386402 ± 2% -17.5% 2794862 ± 2% sched_debug.cpu#23.ttwu_local 3426699 ± 2% -18.1% 2807177 ± 2% sched_debug.cpu#24.nr_switches 3427534 ± 2% -18.1% 2807540 ± 2% sched_debug.cpu#24.sched_count 3419707 ± 2% -17.2% 2830470 ± 2% sched_debug.cpu#24.ttwu_count 3417657 ± 2% -18.3% 2793422 ± 2% sched_debug.cpu#24.ttwu_local 17.75 ± 7% -15.5% 15.00 ± 4% sched_debug.cpu#25.cpu_load[3] 15.50 ± 9% -16.1% 13.00 ± 5% sched_debug.cpu#25.cpu_load[4] 3390931 ± 3% -16.7% 2825710 ± 2% sched_debug.cpu#25.nr_switches 3394428 ± 3% -16.7% 2826362 ± 2% sched_debug.cpu#25.sched_count 3386135 ± 3% -17.1% 2806667 ± 2% sched_debug.cpu#25.ttwu_count 3374191 ± 3% -17.0% 2800759 ± 2% sched_debug.cpu#25.ttwu_local 3382304 ± 3% -16.8% 2815129 ± 1% sched_debug.cpu#26.nr_switches 3382617 ± 3% -16.8% 2815612 ± 1% sched_debug.cpu#26.sched_count 3391284 ± 2% -17.4% 2800669 ± 2% sched_debug.cpu#26.ttwu_count 3368626 ± 3% -17.0% 2797457 ± 1% sched_debug.cpu#26.ttwu_local 21.75 ± 13% +448.3% 119.25 ±114% sched_debug.cpu#27.load 3377532 ± 2% -17.0% 2802024 ± 1% sched_debug.cpu#27.nr_switches 3377791 ± 2% -17.0% 2803686 ± 1% sched_debug.cpu#27.sched_count 913.75 ± 15% +96.1% 1792 ± 34% sched_debug.cpu#27.sched_goidle 3378183 ± 3% -17.9% 2772945 ± 1% sched_debug.cpu#27.ttwu_count 3361335 ± 3% -17.6% 2769863 ± 1% sched_debug.cpu#27.ttwu_local 126632 ± 46% +52.9% 193604 ± 4% sched_debug.cpu#28.avg_idle 3391259 ± 3% -17.1% 2813047 ± 1% sched_debug.cpu#28.nr_switches 3391775 ± 3% -17.0% 2815887 ± 1% sched_debug.cpu#28.sched_count 3379019 ± 3% -16.9% 2808674 ± 1% sched_debug.cpu#28.ttwu_count 3377041 ± 3% -16.9% 2806132 ± 1% sched_debug.cpu#28.ttwu_local 3374213 ± 3% -16.6% 2812863 ± 1% sched_debug.cpu#29.nr_switches 3374449 ± 3% -16.6% 2815602 ± 1% sched_debug.cpu#29.sched_count 1120 ± 28% +92.2% 2153 ± 33% sched_debug.cpu#29.sched_goidle 3368967 ± 3% -17.4% 2783822 ± 0% sched_debug.cpu#29.ttwu_count 3360964 ± 3% -17.4% 2777215 ± 0% sched_debug.cpu#29.ttwu_local 3380214 ± 2% -17.8% 2777895 ± 1% sched_debug.cpu#3.nr_switches 3380943 ± 2% -17.8% 2779026 ± 1% sched_debug.cpu#3.sched_count 3371958 ± 2% -17.7% 2773613 ± 1% sched_debug.cpu#3.ttwu_count 3368641 ± 2% -17.8% 2770455 ± 1% sched_debug.cpu#3.ttwu_local 3399413 ± 2% -17.2% 2813130 ± 1% sched_debug.cpu#30.nr_switches 3399925 ± 2% -17.3% 2813415 ± 1% sched_debug.cpu#30.sched_count 3388030 ± 2% -17.2% 2805998 ± 1% sched_debug.cpu#30.ttwu_count 3384874 ± 2% -17.2% 2803761 ± 1% sched_debug.cpu#30.ttwu_local 3424347 ± 2% -17.9% 2809733 ± 1% sched_debug.cpu#31.nr_switches 3424975 ± 2% -18.0% 2809973 ± 1% sched_debug.cpu#31.sched_count 3413707 ± 2% -17.9% 2802556 ± 1% sched_debug.cpu#31.ttwu_count 3411722 ± 2% -17.9% 2800372 ± 1% sched_debug.cpu#31.ttwu_local 161244 ± 31% +141.0% 388617 ± 75% sched_debug.cpu#32.avg_idle 3340294 ± 4% -16.8% 2779491 ± 1% sched_debug.cpu#32.nr_switches 3340509 ± 4% -16.8% 2779888 ± 1% sched_debug.cpu#32.sched_count 3336888 ± 3% -16.4% 2788296 ± 2% sched_debug.cpu#32.ttwu_count 3327022 ± 4% -17.1% 2756567 ± 1% sched_debug.cpu#32.ttwu_local 3369761 ± 2% -18.2% 2756152 ± 2% sched_debug.cpu#33.nr_switches 3370085 ± 2% -18.2% 2757175 ± 2% sched_debug.cpu#33.sched_count 3353138 ± 2% -17.9% 2754433 ± 1% sched_debug.cpu#33.ttwu_count 3350768 ± 2% -18.5% 2731749 ± 2% sched_debug.cpu#33.ttwu_local 3353463 ± 2% -17.1% 2778380 ± 1% sched_debug.cpu#34.nr_switches 3353783 ± 2% -17.1% 2778950 ± 1% sched_debug.cpu#34.sched_count 3338913 ± 2% -17.1% 2769303 ± 1% sched_debug.cpu#34.ttwu_count 3336154 ± 2% -17.0% 2767598 ± 1% sched_debug.cpu#34.ttwu_local 19.75 ± 6% -13.9% 17.00 ± 7% sched_debug.cpu#35.cpu_load[1] 19.75 ± 4% -17.7% 16.25 ± 6% sched_debug.cpu#35.cpu_load[2] 19.75 ± 4% -17.7% 16.25 ± 5% sched_debug.cpu#35.cpu_load[3] 17.25 ± 11% -20.3% 13.75 ± 10% sched_debug.cpu#35.cpu_load[4] 3357618 ± 2% -17.1% 2784568 ± 1% sched_debug.cpu#35.nr_switches 3357860 ± 2% -17.0% 2785577 ± 1% sched_debug.cpu#35.sched_count 3350978 ± 2% -17.1% 2779124 ± 1% sched_debug.cpu#35.ttwu_count 3348950 ± 2% -17.1% 2775164 ± 1% sched_debug.cpu#35.ttwu_local 33.50 ± 8% -29.9% 23.50 ± 24% sched_debug.cpu#36.load 2.00 ± 0% -50.0% 1.00 ± 0% sched_debug.cpu#36.nr_running 3378181 ± 2% -17.8% 2776642 ± 2% sched_debug.cpu#36.nr_switches 3378466 ± 2% -17.8% 2777079 ± 2% sched_debug.cpu#36.sched_count 3374695 ± 2% -17.8% 2774072 ± 2% sched_debug.cpu#36.ttwu_count 3370536 ± 2% -18.0% 2763776 ± 2% sched_debug.cpu#36.ttwu_local 17.50 ± 13% -22.9% 13.50 ± 12% sched_debug.cpu#37.cpu_load[1] 3340460 ± 3% -16.8% 2779658 ± 2% sched_debug.cpu#37.nr_switches 3340683 ± 3% -16.8% 2779914 ± 2% sched_debug.cpu#37.sched_count 3341001 ± 2% -17.4% 2760062 ± 3% sched_debug.cpu#37.ttwu_count 3324668 ± 3% -17.1% 2756964 ± 2% sched_debug.cpu#37.ttwu_local 18.75 ± 7% -21.3% 14.75 ± 12% sched_debug.cpu#38.cpu_load[3] 17.50 ± 12% -27.1% 12.75 ± 3% sched_debug.cpu#38.cpu_load[4] 3401218 ± 2% -18.2% 2782005 ± 1% sched_debug.cpu#38.nr_switches 3401410 ± 2% -18.2% 2782445 ± 1% sched_debug.cpu#38.sched_count 3400794 ± 2% -18.1% 2784512 ± 2% sched_debug.cpu#38.ttwu_count 3399813 ± 2% -18.6% 2768586 ± 1% sched_debug.cpu#38.ttwu_local 17.50 ± 11% -22.9% 13.50 ± 15% sched_debug.cpu#39.cpu_load[4] 3392132 ± 2% -17.0% 2815024 ± 2% sched_debug.cpu#39.nr_switches 3392712 ± 2% -17.0% 2815476 ± 2% sched_debug.cpu#39.sched_count 3389117 ± 2% -16.9% 2816247 ± 1% sched_debug.cpu#39.ttwu_count 3387435 ± 2% -17.3% 2802276 ± 2% sched_debug.cpu#39.ttwu_local 165738 ± 10% +22.5% 203085 ± 10% sched_debug.cpu#4.avg_idle 20.00 ± 15% -26.2% 14.75 ± 5% sched_debug.cpu#4.cpu_load[2] 20.00 ± 15% -27.5% 14.50 ± 5% sched_debug.cpu#4.cpu_load[3] 17.75 ± 21% -29.6% 12.50 ± 6% sched_debug.cpu#4.cpu_load[4] 3373163 ± 2% -17.8% 2772508 ± 2% sched_debug.cpu#4.nr_switches 3373753 ± 2% -17.8% 2773251 ± 2% sched_debug.cpu#4.sched_count 3362050 ± 2% -17.9% 2761172 ± 2% sched_debug.cpu#4.ttwu_count 3356987 ± 2% -17.9% 2755498 ± 2% sched_debug.cpu#4.ttwu_local 18.25 ± 9% -17.8% 15.00 ± 0% sched_debug.cpu#40.cpu_load[3] 15.75 ± 12% -22.2% 12.25 ± 3% sched_debug.cpu#40.cpu_load[4] 3387417 ± 3% -16.6% 2826272 ± 1% sched_debug.cpu#40.nr_switches 3388123 ± 3% -16.6% 2826849 ± 1% sched_debug.cpu#40.sched_count 3379250 ± 3% -16.0% 2837310 ± 2% sched_debug.cpu#40.ttwu_count 3375881 ± 3% -16.5% 2817881 ± 1% sched_debug.cpu#40.ttwu_local 3339240 ± 2% -16.2% 2796813 ± 0% sched_debug.cpu#41.nr_switches 4.75 ± 40% -100.0% 0.00 ± 2% sched_debug.cpu#41.nr_uninterruptible 3339755 ± 2% -16.2% 2797077 ± 0% sched_debug.cpu#41.sched_count 3340575 ± 2% -17.0% 2773377 ± 0% sched_debug.cpu#41.ttwu_count 3320958 ± 2% -16.5% 2771410 ± 0% sched_debug.cpu#41.ttwu_local 3383562 ± 2% -16.9% 2811241 ± 1% sched_debug.cpu#42.nr_switches 3383989 ± 2% -16.9% 2811641 ± 1% sched_debug.cpu#42.sched_count 3375932 ± 2% -16.9% 2803836 ± 1% sched_debug.cpu#42.ttwu_count 3373666 ± 2% -16.9% 2801995 ± 1% sched_debug.cpu#42.ttwu_local 1465 ± 2% +19.7% 1753 ± 12% sched_debug.cpu#43.curr->pid 3369174 ± 3% -16.5% 2814479 ± 2% sched_debug.cpu#43.nr_switches 3369600 ± 3% -16.5% 2815000 ± 2% sched_debug.cpu#43.sched_count 3381844 ± 3% -16.8% 2813877 ± 2% sched_debug.cpu#43.ttwu_count 3363319 ± 3% -16.6% 2805345 ± 2% sched_debug.cpu#43.ttwu_local 3373569 ± 3% -16.8% 2805446 ± 2% sched_debug.cpu#44.nr_switches 3374319 ± 3% -16.8% 2806109 ± 2% sched_debug.cpu#44.sched_count 3366509 ± 3% -16.6% 2808499 ± 2% sched_debug.cpu#44.ttwu_count 3364864 ± 3% -17.1% 2788871 ± 2% sched_debug.cpu#44.ttwu_local 19.00 ± 13% -25.0% 14.25 ± 12% sched_debug.cpu#45.cpu_load[0] 3386942 ± 3% -16.9% 2816202 ± 2% sched_debug.cpu#45.nr_switches 3387927 ± 3% -16.8% 2817175 ± 2% sched_debug.cpu#45.sched_count 3379784 ± 4% -17.1% 2802342 ± 2% sched_debug.cpu#45.ttwu_count 3374320 ± 4% -17.0% 2799191 ± 2% sched_debug.cpu#45.ttwu_local 17.50 ± 6% -18.6% 14.25 ± 13% sched_debug.cpu#46.cpu_load[1] 14.50 ± 7% -19.0% 11.75 ± 12% sched_debug.cpu#46.cpu_load[4] 3362941 ± 3% -15.9% 2828995 ± 2% sched_debug.cpu#46.nr_switches 3363152 ± 3% -15.9% 2829614 ± 2% sched_debug.cpu#46.sched_count 3365155 ± 3% -16.0% 2825366 ± 2% sched_debug.cpu#46.ttwu_count 3352628 ± 3% -15.8% 2823128 ± 2% sched_debug.cpu#46.ttwu_local 182936 ± 1% +8.1% 197759 ± 4% sched_debug.cpu#47.avg_idle 3411346 ± 3% -17.3% 2820818 ± 1% sched_debug.cpu#47.nr_switches 3412191 ± 3% -17.3% 2821388 ± 1% sched_debug.cpu#47.sched_count 3405411 ± 3% -17.2% 2819712 ± 1% sched_debug.cpu#47.ttwu_count 3403059 ± 3% -17.3% 2815610 ± 1% sched_debug.cpu#47.ttwu_local 3384910 ± 2% -17.8% 2782329 ± 2% sched_debug.cpu#48.nr_switches 3385314 ± 2% -17.8% 2782524 ± 2% sched_debug.cpu#48.sched_count 3372909 ± 2% -17.2% 2792501 ± 2% sched_debug.cpu#48.ttwu_count 3371515 ± 2% -18.1% 2760527 ± 3% sched_debug.cpu#48.ttwu_local 20.00 ± 10% -25.0% 15.00 ± 16% sched_debug.cpu#49.cpu_load[3] 19.75 ± 16% -32.9% 13.25 ± 16% sched_debug.cpu#49.cpu_load[4] 3361041 ± 1% -16.7% 2799376 ± 1% sched_debug.cpu#49.nr_switches 3361389 ± 2% -16.7% 2799954 ± 1% sched_debug.cpu#49.sched_count 803.25 ± 66% +81.8% 1460 ± 12% sched_debug.cpu#49.sched_goidle 3381487 ± 2% -17.5% 2790957 ± 2% sched_debug.cpu#49.ttwu_count 3353421 ± 1% -16.8% 2788906 ± 2% sched_debug.cpu#49.ttwu_local 15.75 ± 9% +50.8% 23.75 ± 35% sched_debug.cpu#5.cpu_load[0] 3391672 ± 2% -17.9% 2785157 ± 2% sched_debug.cpu#5.nr_switches 3391868 ± 2% -17.9% 2786330 ± 2% sched_debug.cpu#5.sched_count 3383157 ± 2% -18.0% 2774308 ± 2% sched_debug.cpu#5.ttwu_count 3378359 ± 2% -18.0% 2771534 ± 2% sched_debug.cpu#5.ttwu_local 3378831 ± 2% -18.2% 2764907 ± 1% sched_debug.cpu#50.nr_switches 3379167 ± 2% -18.2% 2765068 ± 1% sched_debug.cpu#50.sched_count 3381931 ± 2% -18.4% 2759976 ± 2% sched_debug.cpu#50.ttwu_count 3372100 ± 2% -19.0% 2732913 ± 2% sched_debug.cpu#50.ttwu_local 3391742 ± 2% -17.8% 2787873 ± 2% sched_debug.cpu#51.nr_switches 3393991 ± 3% -17.9% 2788131 ± 2% sched_debug.cpu#51.sched_count 3388915 ± 2% -18.0% 2779415 ± 2% sched_debug.cpu#51.ttwu_count 3386448 ± 2% -18.0% 2776396 ± 2% sched_debug.cpu#51.ttwu_local 3353919 ± 2% -17.8% 2755852 ± 2% sched_debug.cpu#52.nr_switches 3354723 ± 2% -17.8% 2756388 ± 2% sched_debug.cpu#52.sched_count 3341951 ± 2% -18.3% 2731052 ± 3% sched_debug.cpu#52.ttwu_count 3337845 ± 2% -18.5% 2720797 ± 3% sched_debug.cpu#52.ttwu_local 3373578 ± 3% -17.1% 2796911 ± 2% sched_debug.cpu#53.nr_switches 3375925 ± 3% -17.1% 2797166 ± 2% sched_debug.cpu#53.sched_count 3383459 ± 2% -17.5% 2790891 ± 2% sched_debug.cpu#53.ttwu_count 3366616 ± 3% -17.3% 2784981 ± 2% sched_debug.cpu#53.ttwu_local 3390257 ± 3% -17.9% 2782148 ± 2% sched_debug.cpu#54.nr_switches 3391465 ± 3% -18.0% 2782549 ± 2% sched_debug.cpu#54.sched_count 3386304 ± 3% -16.9% 2812809 ± 1% sched_debug.cpu#54.ttwu_count 3384612 ± 3% -18.3% 2766815 ± 3% sched_debug.cpu#54.ttwu_local 22.25 ± 17% -23.6% 17.00 ± 7% sched_debug.cpu#55.cpu_load[1] 21.00 ± 16% -21.4% 16.50 ± 3% sched_debug.cpu#55.cpu_load[2] 19.75 ± 13% -20.3% 15.75 ± 5% sched_debug.cpu#55.cpu_load[3] 3374233 ± 1% -16.8% 2807090 ± 1% sched_debug.cpu#55.nr_switches 3374808 ± 1% -16.8% 2807431 ± 1% sched_debug.cpu#55.sched_count 3366364 ± 1% -17.2% 2786327 ± 1% sched_debug.cpu#55.ttwu_count 3362765 ± 1% -17.3% 2780406 ± 1% sched_debug.cpu#55.ttwu_local 3411822 ± 2% -17.6% 2811122 ± 2% sched_debug.cpu#56.nr_switches 3412183 ± 2% -17.6% 2811594 ± 2% sched_debug.cpu#56.sched_count 3407786 ± 2% -17.6% 2809656 ± 2% sched_debug.cpu#56.ttwu_count 3406197 ± 2% -17.7% 2804844 ± 2% sched_debug.cpu#56.ttwu_local 3397172 ± 3% -17.2% 2811744 ± 2% sched_debug.cpu#57.nr_switches 3397605 ± 3% -17.2% 2812005 ± 2% sched_debug.cpu#57.sched_count 3384695 ± 3% -16.6% 2822416 ± 2% sched_debug.cpu#57.ttwu_count 3382809 ± 3% -17.3% 2798177 ± 2% sched_debug.cpu#57.ttwu_local 188353 ± 1% +77.7% 334775 ± 61% sched_debug.cpu#58.avg_idle 3368337 ± 3% -16.7% 2805233 ± 2% sched_debug.cpu#58.nr_switches 3368535 ± 3% -16.7% 2805585 ± 2% sched_debug.cpu#58.sched_count 3360154 ± 4% -16.7% 2799389 ± 2% sched_debug.cpu#58.ttwu_count 3350965 ± 4% -16.5% 2796475 ± 1% sched_debug.cpu#58.ttwu_local 3386769 ± 3% -17.8% 2784174 ± 1% sched_debug.cpu#59.nr_switches 3387003 ± 3% -17.8% 2784602 ± 1% sched_debug.cpu#59.sched_count 3374107 ± 3% -17.4% 2786119 ± 1% sched_debug.cpu#59.ttwu_count 3371740 ± 3% -17.9% 2767788 ± 1% sched_debug.cpu#59.ttwu_local 3404679 ± 2% -17.7% 2803402 ± 2% sched_debug.cpu#6.nr_switches 3404946 ± 2% -17.6% 2804520 ± 2% sched_debug.cpu#6.sched_count 3396778 ± 2% -17.7% 2794779 ± 2% sched_debug.cpu#6.ttwu_count 3395316 ± 2% -17.8% 2789570 ± 2% sched_debug.cpu#6.ttwu_local 20.50 ± 8% -24.4% 15.50 ± 5% sched_debug.cpu#60.cpu_load[0] 3378881 ± 3% -17.1% 2799854 ± 1% sched_debug.cpu#60.nr_switches 3379401 ± 3% -17.1% 2800303 ± 1% sched_debug.cpu#60.sched_count 3370998 ± 3% -17.4% 2784997 ± 2% sched_debug.cpu#60.ttwu_count 3369479 ± 3% -17.4% 2783285 ± 2% sched_debug.cpu#60.ttwu_local 3389402 ± 2% -18.2% 2771097 ± 1% sched_debug.cpu#61.nr_switches 2.75 ±104% -72.7% 0.75 ±110% sched_debug.cpu#61.nr_uninterruptible 3389770 ± 2% -18.2% 2771881 ± 1% sched_debug.cpu#61.sched_count 448.25 ± 43% +362.6% 2073 ± 18% sched_debug.cpu#61.sched_goidle 3382036 ± 2% -18.4% 2761058 ± 3% sched_debug.cpu#61.ttwu_count 3374996 ± 2% -18.8% 2738991 ± 2% sched_debug.cpu#61.ttwu_local 3401719 ± 2% -17.5% 2806660 ± 1% sched_debug.cpu#62.nr_switches 3401992 ± 2% -17.5% 2807250 ± 1% sched_debug.cpu#62.sched_count 3409442 ± 3% -17.8% 2801102 ± 1% sched_debug.cpu#62.ttwu_count 3396668 ± 2% -17.6% 2799344 ± 1% sched_debug.cpu#62.ttwu_local 188622 ± 1% +82.6% 344360 ± 61% sched_debug.cpu#63.avg_idle 3403259 ± 1% -17.7% 2800949 ± 2% sched_debug.cpu#63.nr_switches 3403635 ± 1% -17.7% 2801160 ± 2% sched_debug.cpu#63.sched_count 1502 ± 36% -60.9% 587.25 ± 38% sched_debug.cpu#63.sched_goidle 3407423 ± 1% -18.1% 2792346 ± 2% sched_debug.cpu#63.ttwu_count 3394668 ± 1% -17.8% 2791028 ± 2% sched_debug.cpu#63.ttwu_local 3395141 ± 2% -17.1% 2815960 ± 1% sched_debug.cpu#7.nr_switches 3395368 ± 2% -17.0% 2817099 ± 1% sched_debug.cpu#7.sched_count 3390104 ± 2% -16.8% 2819988 ± 1% sched_debug.cpu#7.ttwu_count 3388220 ± 2% -17.2% 2806057 ± 2% sched_debug.cpu#7.ttwu_local 20.75 ± 26% -32.5% 14.00 ± 8% sched_debug.cpu#8.cpu_load[3] 19.00 ± 21% -35.5% 12.25 ± 12% sched_debug.cpu#8.cpu_load[4] 3412535 ± 3% -16.9% 2834133 ± 2% sched_debug.cpu#8.nr_switches 3414440 ± 3% -17.0% 2834516 ± 2% sched_debug.cpu#8.sched_count 3400639 ± 3% -16.8% 2828023 ± 2% sched_debug.cpu#8.ttwu_count 3397501 ± 3% -16.9% 2822112 ± 1% sched_debug.cpu#8.ttwu_local 21.75 ± 30% -32.2% 14.75 ± 10% sched_debug.cpu#9.cpu_load[1] 20.50 ± 22% -26.8% 15.00 ± 12% sched_debug.cpu#9.cpu_load[2] 3361173 ± 2% -15.8% 2828970 ± 2% sched_debug.cpu#9.nr_switches 3363065 ± 2% -15.9% 2829633 ± 2% sched_debug.cpu#9.sched_count 3352680 ± 3% -15.8% 2822914 ± 1% sched_debug.cpu#9.ttwu_count 3339358 ± 2% -15.6% 2819319 ± 2% sched_debug.cpu#9.ttwu_local lkp-sbx04: Sandy Bridge-EX Memory: 64G perf-profile.cpu-cycles.sys_connect.entry_SYSCALL_64_fastpath 33 ++---------------------------------------------------------------------+ | O O | 32 ++ O | 31 ++ O | | O O | 30 O+ O O O O O | | O O O O O O O | 29 ++ O O O O | | | 28 ++ | 27 ++ *. .*.* | | *.*.*. + *. .* + .* 26 ++ * *.*.*.*.*. .*. .*.. .*.*. .*.* *.*. .*.*.*. .* | * *.*.* * * * * * | 25 ++---------------------------------------------------------------------+ perf-profile.cpu-cycles.SYSC_connect.sys_connect.entry_SYSCALL_64_fastpath 33 ++---------------------------------------------------------------------+ | O | 32 ++ O O | 31 ++ O | | O O | 30 O+ O O O O O | | O O O O O O | 29 ++ O O O O O | | | 28 ++ | 27 ++ *. .*. | | *.*.*. + *. * *. .* 26 ++ * *.*.*.*.*. * *.. .*.*. .*. + *.*. .*.*.* * | * *. + + + * * * * + + | 25 ++------------------------*-*---*----------------------------------*---+ perf-profile.cpu-cycles.sock_release.sock_close.__fput.____fput.task_work_run 26 ++-----------------------------------------O---------------------------+ | | 24 ++ O O O | 22 ++ O | | O O | 20 ++ O | | | 18 ++ | | O | 16 O+O O O O | 14 ++ O O O O O O O O O | | | 12 ++ .*. | *. .*.*. .*.*.*.*.*.* *.*.*.*.*..*.*.*.*.*.*.*. .*.*.*.*.*.*.*.*.| 10 ++*-*-----*----------------------------------------*-*-----------------* perf-profile.cpu-cycles.inet_release.sock_release.sock_close.__fput.____fput 26 ++---------------------------------------------------------------------+ | O | 24 ++ O O | 22 ++ O O | | O O | 20 ++ O | | | 18 ++ | | O | 16 O+O O O O | 14 ++ O O O O O O O O O | | | 12 ++ | *. .*.*. .*.*.*.*.*.*.*.*.*.*.*.*..*.*.*.*.*.*.*. .*.*.*.*.*.*.*.*.| 10 ++*-*-----*----------------------------------------*-*-----------------* perf-profile.cpu-cycles.tcp_close.inet_release.sock_release.sock_close.__fput 26 ++---------------------------------------------------------------------+ | O | 24 ++ O O O | 22 ++ O | | O O O | 20 ++ | 18 ++ | | | 16 O+O O O | 14 ++ O O O O O O O O O O O | | | 12 *+ .*.*.*. .*. | 10 ++*.*.*.*.*.*.*.*.*.*.* * *..*.*.*.*.*.*.*. .*.*.*.*.*.*.*.*.*.* | * | 8 ++---------------------------------------------------------------------+ netperf.time.system_time 15000 ++------------------------------------------------------------------+ 14800 ++ O O | | O O | 14600 ++ O | 14400 ++ O O | | O | 14200 ++ | 14000 ++ | 13800 O+O O O O | | O O O OO O O O | 13600 ++ O O | 13400 ++ | | | 13200 *+*.*.*.*.*.*.*.**.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.**.*.*.*.*.*.*.*.* 13000 ++------------------------------------------------------------------+ netperf.time.percent_of_cpu_this_job_got 5200 ++-------------------------------------------------------------------+ | O | 5100 ++ O | | O O O | 5000 ++ O O | | O | 4900 ++ | | O | 4800 O+O O O O O O O | | O O O O O O | 4700 ++ | *. .*. .*. | 4600 ++*.*.*.*.*.*.*.*.*.*.*.* *.*.*.**.*.*.* *.*.*.*.*.*.*.*.*.*.*.*.* | | 4500 ++-------------------------------------------------------------------+ [*] bisect-good sample [O] bisect-bad sample To reproduce: git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp run job.yaml Disclaimer: Results have been estimated based on internal Intel analysis and are provided for informational purposes only. Any difference in system hardware or software design or configuration may affect actual performance. Thanks, Ying Huang

5 years, 6 months

4
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0 / 0

[lkp] [drm] bcfe0c0954: WARNING: CPU: 2 PID: 163 at drivers/gpu/drm/drm_drv.c:570 drm_dev_alloc+0x257/0x320 [drm]()

by kernel test robot

FYI, we noticed the below changes on https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit bcfe0c0954f3336c44993e5ce444e09ad6087637 ("drm: WARN_ON if a modeset driver uses legacy suspend/resume helpers") <4>[ 79.367388] ------------[ cut here ]------------ <4>[ 79.372114] WARNING: CPU: 2 PID: 163 at drivers/gpu/drm/drm_drv.c:570 drm_dev_alloc+0x257/0x320 [drm]() <4>[ 79.383475] Modules linked in: x86_pkg_temp_thermal coretemp eeepc_wmi kvm_intel asus_wmi kvm sparse_keymap rfkill ppdev crct10dif_pclmul crc32_pclmul crc32c_intel i915(+) snd_hda_intel snd_hda_codec <6>[ 79.401550] snd_hda_codec_realtek hdaudioC0D0: autoconfig for ALC892: line_outs=4 (0x14/0x15/0x16/0x17/0x0) type:line <6>[ 79.401552] snd_hda_codec_realtek hdaudioC0D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0) <6>[ 79.401553] snd_hda_codec_realtek hdaudioC0D0: hp_outs=1 (0x1b/0x0/0x0/0x0/0x0) <6>[ 79.401554] snd_hda_codec_realtek hdaudioC0D0: mono: mono_out=0x0 <6>[ 79.401555] snd_hda_codec_realtek hdaudioC0D0: dig-out=0x11/0x1e <6>[ 79.401556] snd_hda_codec_realtek hdaudioC0D0: inputs: <6>[ 79.401558] snd_hda_codec_realtek hdaudioC0D0: Front Mic=0x19 <6>[ 79.401560] snd_hda_codec_realtek hdaudioC0D0: Rear Mic=0x18 <6>[ 79.401561] snd_hda_codec_realtek hdaudioC0D0: Line=0x1a <4>[ 79.465004] snd_hda_core<6>[ 79.466327] input: HDA Intel PCH Front Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input8 <6>[ 79.466387] input: HDA Intel PCH Rear Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input9 <6>[ 79.466438] input: HDA Intel PCH Line as /devices/pci0000:00/0000:00:1b.0/sound/card0/input10 <6>[ 79.466486] input: HDA Intel PCH Line Out Front as /devices/pci0000:00/0000:00:1b.0/sound/card0/input11 <6>[ 79.466535] input: HDA Intel PCH Line Out Surround as /devices/pci0000:00/0000:00:1b.0/sound/card0/input12 <6>[ 79.466583] input: HDA Intel PCH Line Out CLFE as /devices/pci0000:00/0000:00:1b.0/sound/card0/input13 <6>[ 79.466631] input: HDA Intel PCH Line Out Side as /devices/pci0000:00/0000:00:1b.0/sound/card0/input14 <6>[ 79.466679] input: HDA Intel PCH Front Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input15 <6>[ 79.466728] input: HDA Intel PCH HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:1b.0/sound/card0/input16 <4>[ 79.551884] ghash_clmulni_intel snd_hwdep pata_via aesni_intel lrw snd_pcm gf128mul ata_piix drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops glue_helper ablk_helper cryptd snd_timer i2c_i801 microcode snd pcspkr libata serio_raw soundcore drm shpchp wmi parport_pc parport tpm_infineon video <4>[ 79.551885] CPU: 2 PID: 163 Comm: systemd-udevd Not tainted 4.2.0-rc8-01410-gbcfe0c0 #1 <4>[ 79.551886] Hardware name: System manufacturer System Product Name/P8H67-M PRO, BIOS 1002 04/01/2011 <4>[ 79.551887] ffffffffa009d370 ffff8801bdb179e8 ffffffff8189e2e9 0000000000000001 <4>[ 79.551888] 0000000000000000 ffff8801bdb17a28 ffffffff8107348a ffff8801bdb17a38 <4>[ 79.551889] ffff8801bd583000 0000000000000000 ffffffffa03bb100 ffffffffa03bb100 <4>[ 79.551890] Call Trace: <4>[ 79.551895] [<ffffffff8189e2e9>] dump_stack+0x4c/0x65 <4>[ 79.551898] [<ffffffff8107348a>] warn_slowpath_common+0x8a/0xc0 <4>[ 79.551900] [<ffffffff8107357a>] warn_slowpath_null+0x1a/0x20 <4>[ 79.551908] [<ffffffffa006f647>] drm_dev_alloc+0x257/0x320 [drm] <4>[ 79.551915] [<ffffffffa0071ddb>] drm_get_pci_dev+0x3b/0x1e0 [drm] <4>[ 79.551932] [<ffffffffa02d0234>] i915_pci_probe+0x34/0x50 [i915] <4>[ 79.551934] [<ffffffff81442925>] local_pci_probe+0x45/0xa0 <4>[ 79.551936] [<ffffffff81443bae>] ? pci_match_device+0xfe/0x120 <4>[ 79.551937] [<ffffffff81443cd7>] pci_device_probe+0xc7/0x120 <4>[ 79.551939] [<ffffffff81545dd6>] driver_probe_device+0x1f6/0x460 <4>[ 79.551940] [<ffffffff815460d0>] __driver_attach+0x90/0xa0 <4>[ 79.551941] [<ffffffff81546040>] ? driver_probe_device+0x460/0x460 <4>[ 79.551942] [<ffffffff81543ad4>] bus_for_each_dev+0x64/0xa0 <4>[ 79.551943] [<ffffffff815457ae>] driver_attach+0x1e/0x20 <4>[ 79.551944] [<ffffffff81545321>] bus_add_driver+0x1f1/0x290 <4>[ 79.551945] [<ffffffff81546ab0>] driver_register+0x60/0xe0 <4>[ 79.551946] [<ffffffff814421bc>] __pci_register_driver+0x4c/0x50 <4>[ 79.551951] [<ffffffffa0072060>] drm_pci_init+0xe0/0x110 [drm] <4>[ 79.551952] [<ffffffffa03ea000>] ? 0xffffffffa03ea000 <4>[ 79.551964] [<ffffffffa03ea0a7>] i915_init+0xa7/0xaf [i915] <4>[ 79.551966] [<ffffffff81002123>] do_one_initcall+0xb3/0x1d0 <4>[ 79.551968] [<ffffffff811bf8c0>] ? kmem_cache_alloc_trace+0x1d0/0x220 <4>[ 79.551970] [<ffffffff8189afea>] ? do_init_module+0x28/0x1ea <4>[ 79.551971] [<ffffffff8189b023>] do_init_module+0x61/0x1ea <4>[ 79.551973] [<ffffffff810f8bdc>] load_module+0x213c/0x2580 <4>[ 79.551974] [<ffffffff810f4cf0>] ? __symbol_put+0x40/0x40 <4>[ 79.551976] [<ffffffff810f9220>] SyS_finit_module+0x80/0xb0 <4>[ 79.551978] [<ffffffff818a5e2e>] entry_SYSCALL_64_fastpath+0x12/0x71 <4>[ 79.551979] ---[ end trace af4d150ad5fde0f9 ]--- To reproduce: git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp run job.yaml Thanks, Ying Huang

5 years, 6 months

1
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LKP September 2015