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Date: Mon, 13 Apr 2020 18:51:24 +0800
From: Feng Tang <feng.tang@...el.com>
To: Chao Yu <yuchao0@...wei.com>,
kernel test robot <rong.a.chen@...el.com>
Cc: Jaegeuk Kim <jaegeuk@...nel.org>,
LKML <linux-kernel@...r.kernel.org>,
Linus Torvalds <torvalds@...ux-foundation.org>,
lkp@...ts.01.org
Subject: Re: [LKP] [f2fs] fe1897eaa6: aim7.jobs-per-min -60.9% regression
On Sun, Dec 08, 2019 at 11:41:46PM +0800, kernel test robot wrote:
> Greeting,
>
> FYI, we noticed a -60.9% regression of aim7.jobs-per-min due to commit:
>
>
> commit: fe1897eaa6646f5a64a4cee0e6473ed9887d324b ("f2fs: fix to update time in lazytime mode")
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
>
> in testcase: aim7
> on test machine: 48 threads Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz with 64G memory
> with following parameters:
>
> disk: 4BRD_12G
> md: RAID1
> fs: f2fs
> test: sync_disk_rw
> load: 200
> cpufreq_governor: performance
> ucode: 0x42e
>
> test-description: AIM7 is a traditional UNIX system level benchmark suite which is used to test and measure the performance of multiuser system.
> test-url: https://sourceforge.net/projects/aimbench/files/aim-suite7/
>
>
>
> If you fix the issue, kindly add following tag
> Reported-by: kernel test robot <rong.a.chen@...el.com>
>
>
> Details are as below:
> -------------------------------------------------------------------------------------------------->
>
>
> To reproduce:
>
> git clone https://github.com/intel/lkp-tests.git
> cd lkp-tests
> bin/lkp install job.yaml # job file is attached in this email
> bin/lkp run job.yaml
>
> =========================================================================================
> compiler/cpufreq_governor/disk/fs/kconfig/load/md/rootfs/tbox_group/test/testcase/ucode:
> gcc-7/performance/4BRD_12G/f2fs/x86_64-rhel-7.6/200/RAID1/debian-x86_64-2019-11-14.cgz/lkp-ivb-2ep1/sync_disk_rw/aim7/0x42e
>
> commit:
> b145b0eb20 (" ARM and x86 bugfixes of all kinds. The most visible one is that migrating")
> fe1897eaa6 ("f2fs: fix to update time in lazytime mode")
>
> b145b0eb2031a620 fe1897eaa6646f5a64a4cee0e64
> ---------------- ---------------------------
> fail:runs %reproduction fail:runs
> | | |
> 1:4 -25% :4 dmesg.WARNING:at#for_ip_interrupt_entry/0x
> %stddev %change %stddev
> \ | \
> 1208 -60.9% 473.12 aim7.jobs-per-min
Hi Chao Yu,
Any thoughts on this?
IIUC, this commit is a fix, and if you think it is necessary, we will
stop tracking this regresion.
Thanks,
Feng
> 992.70 +155.6% 2537 aim7.time.elapsed_time
> 992.70 +155.6% 2537 aim7.time.elapsed_time.max
> 1.078e+08 +60.0% 1.724e+08 aim7.time.file_system_outputs
> 9646301 -4.2% 9238717 aim7.time.involuntary_context_switches
> 24107 ± 3% +58.2% 38130 ± 17% aim7.time.minor_page_faults
> 3295 +202.3% 9963 aim7.time.system_time
> 26.75 +51.4% 40.49 aim7.time.user_time
> 5.02e+08 +210.5% 1.559e+09 aim7.time.voluntary_context_switches
> 9294452 ± 4% -15.7% 7835497 ± 16% numa-numastat.node0.local_node
> 9298417 ± 4% -15.7% 7840991 ± 16% numa-numastat.node0.numa_hit
> 3.66 ± 3% +4.2 7.82 ± 18% mpstat.cpu.all.idle%
> 0.01 ± 32% -0.0 0.00 ± 31% mpstat.cpu.all.soft%
> 0.06 -0.0 0.04 mpstat.cpu.all.usr%
> 3.85 ± 3% +105.0% 7.89 ± 17% iostat.cpu.idle
> 89.80 -4.9% 85.36 iostat.cpu.iowait
> 6.29 +6.6% 6.70 iostat.cpu.system
> 23968 -48.4% 12356 iostat.md0.w/s
> 53780 -37.1% 33824 iostat.md0.wkB/s
> 89.00 -4.8% 84.75 vmstat.cpu.wa
> 53779 -37.1% 33833 vmstat.io.bo
> 29311046 -28.6% 20935254 vmstat.memory.free
> 1026388 +19.4% 1225080 vmstat.system.cs
> 103289 +8.5% 112038 vmstat.system.in
> 24013 ± 29% -58.5% 9976 ±120% numa-meminfo.node0.Dirty
> 119019 ± 10% +44.6% 172139 ± 13% numa-meminfo.node1.Active
> 3503 ± 56% +464.8% 19786 ± 38% numa-meminfo.node1.Active(file)
> 40477 ± 16% -38.5% 24896 ± 47% numa-meminfo.node1.Dirty
> 19966008 ± 2% -29.5% 14084594 ± 44% numa-meminfo.node1.MemFree
> 13014643 ± 4% +45.2% 18896052 ± 32% numa-meminfo.node1.MemUsed
> 12018 ± 41% +184.8% 34228 ± 35% numa-meminfo.node1.Shmem
> 2.09e+10 +127.4% 4.752e+10 ± 4% cpuidle.C1.time
> 2.558e+08 +140.1% 6.143e+08 ± 4% cpuidle.C1.usage
> 3.017e+09 ± 10% +301.2% 1.211e+10 ± 9% cpuidle.C1E.time
> 18225961 ± 9% +430.1% 96624314 ± 6% cpuidle.C1E.usage
> 4.627e+08 ± 14% +147.5% 1.145e+09 ± 20% cpuidle.C6.time
> 802166 ± 17% +186.9% 2301023 ± 26% cpuidle.C6.usage
> 1.799e+10 +148.9% 4.476e+10 cpuidle.POLL.time
> 2.616e+08 ± 2% +246.4% 9.063e+08 ± 2% cpuidle.POLL.usage
> 6017 ± 29% -58.5% 2496 ±120% numa-vmstat.node0.nr_dirty
> 5742 ± 29% -65.0% 2011 ±120% numa-vmstat.node0.nr_zone_write_pending
> 874.50 ± 56% +465.6% 4946 ± 38% numa-vmstat.node1.nr_active_file
> 10139 ± 16% -38.6% 6224 ± 47% numa-vmstat.node1.nr_dirty
> 4992144 ± 2% -29.5% 3521200 ± 44% numa-vmstat.node1.nr_free_pages
> 3003 ± 41% +184.9% 8556 ± 35% numa-vmstat.node1.nr_shmem
> 874.50 ± 56% +465.6% 4946 ± 38% numa-vmstat.node1.nr_zone_active_file
> 9775 ± 16% -47.9% 5089 ± 47% numa-vmstat.node1.nr_zone_write_pending
> 2.558e+08 +140.1% 6.143e+08 ± 4% turbostat.C1
> 43.77 -4.8 38.98 ± 3% turbostat.C1%
> 18225642 ± 9% +430.2% 96624037 ± 6% turbostat.C1E
> 6.31 ± 10% +3.6 9.94 ± 9% turbostat.C1E%
> 795117 ± 17% +188.4% 2292823 ± 26% turbostat.C6
> 0.38 ± 42% -63.6% 0.14 ± 13% turbostat.CPU%c6
> 1.028e+08 +176.7% 2.844e+08 turbostat.IRQ
> 0.23 ± 33% -69.1% 0.07 ± 22% turbostat.Pkg%pc2
> 275064 +12.3% 308846 ± 4% meminfo.Active
> 8036 ± 21% +261.7% 29072 ± 52% meminfo.Active(file)
> 64400 -45.9% 34850 meminfo.Dirty
> 16481 +10.8% 18264 meminfo.Inactive(anon)
> 147067 +12.8% 165858 ± 2% meminfo.KReclaimable
> 29120417 -28.8% 20740075 meminfo.MemAvailable
> 29335165 -28.6% 20936804 meminfo.MemFree
> 36511133 +23.0% 44909491 meminfo.Memused
> 147067 +12.8% 165858 ± 2% meminfo.SReclaimable
> 36567 ± 6% +37.2% 50173 meminfo.Shmem
> 51580 -60.8% 20220 meminfo.max_used_kB
> 4.27 ± 7% -13.9% 3.67 ± 4% perf-stat.i.MPKI
> 0.71 ± 3% -0.0 0.67 perf-stat.i.branch-miss-rate%
> 17.93 +3.5 21.41 ± 2% perf-stat.i.cache-miss-rate%
> 1029337 +19.1% 1226025 perf-stat.i.context-switches
> 11421 ± 4% +41.1% 16120 ± 6% perf-stat.i.cpu-migrations
> 0.42 ± 2% +0.0 0.45 ± 6% perf-stat.i.dTLB-load-miss-rate%
> 0.11 ± 27% -0.0 0.08 ± 3% perf-stat.i.dTLB-store-miss-rate%
> 84.04 ± 2% -2.3 81.75 ± 2% perf-stat.i.iTLB-load-miss-rate%
> 7375571 +7.3% 7917282 perf-stat.i.iTLB-load-misses
> 3.91 ± 7% -9.2% 3.56 ± 4% perf-stat.overall.MPKI
> 17.90 +4.1 21.96 ± 3% perf-stat.overall.cache-miss-rate%
> 0.41 ± 2% +0.0 0.45 ± 6% perf-stat.overall.dTLB-load-miss-rate%
> 0.10 ± 27% -0.0 0.08 ± 3% perf-stat.overall.dTLB-store-miss-rate%
> 83.99 ± 2% -2.3 81.72 ± 2% perf-stat.overall.iTLB-load-miss-rate%
> 1028292 +19.2% 1225532 perf-stat.ps.context-switches
> 11410 ± 4% +41.2% 16114 ± 6% perf-stat.ps.cpu-migrations
> 7368087 +7.4% 7914119 perf-stat.ps.iTLB-load-misses
> 2.558e+13 ± 2% +157.0% 6.575e+13 ± 3% perf-stat.total.instructions
> 9128 ± 2% -25.3% 6821 ± 4% slabinfo.dmaengine-unmap-16.active_objs
> 9175 ± 2% -24.4% 6938 ± 4% slabinfo.dmaengine-unmap-16.num_objs
> 28309 +12.5% 31840 slabinfo.f2fs_extent_node.active_objs
> 28704 +13.0% 32429 slabinfo.f2fs_extent_node.num_objs
> 964.00 ± 5% -13.3% 836.00 ± 6% slabinfo.kmem_cache_node.active_objs
> 1008 ± 5% -12.7% 880.00 ± 6% slabinfo.kmem_cache_node.num_objs
> 13017 -33.1% 8707 slabinfo.nat_entry.active_objs
> 13036 -33.2% 8707 slabinfo.nat_entry.num_objs
> 433.75 ± 9% +32.4% 574.50 ± 2% slabinfo.nfs_read_data.active_objs
> 433.75 ± 9% +32.4% 574.50 ± 2% slabinfo.nfs_read_data.num_objs
> 697.50 ± 3% +48.6% 1036 ± 33% slabinfo.numa_policy.active_objs
> 697.50 ± 3% +48.6% 1036 ± 33% slabinfo.numa_policy.num_objs
> 153098 +22.3% 187296 slabinfo.radix_tree_node.active_objs
> 2733 +22.3% 3344 slabinfo.radix_tree_node.active_slabs
> 153098 +22.3% 187296 slabinfo.radix_tree_node.num_objs
> 2733 +22.3% 3344 slabinfo.radix_tree_node.num_slabs
> 542.00 ± 10% +29.5% 702.00 ± 6% slabinfo.xfrm_state.active_objs
> 542.00 ± 10% +29.5% 702.00 ± 6% slabinfo.xfrm_state.num_objs
> 66757 +4.8% 69942 proc-vmstat.nr_active_anon
> 2009 ± 21% +261.7% 7267 ± 52% proc-vmstat.nr_active_file
> 96.00 +3.9% 99.75 proc-vmstat.nr_anon_transparent_hugepages
> 13466177 +60.0% 21542226 proc-vmstat.nr_dirtied
> 16154 -46.0% 8719 proc-vmstat.nr_dirty
> 726643 -28.8% 517541 proc-vmstat.nr_dirty_background_threshold
> 1455064 -28.8% 1036348 proc-vmstat.nr_dirty_threshold
> 311402 +2.4% 318957 proc-vmstat.nr_file_pages
> 7332853 -28.6% 5234441 proc-vmstat.nr_free_pages
> 4120 +10.8% 4565 proc-vmstat.nr_inactive_anon
> 13939 -1.2% 13772 proc-vmstat.nr_kernel_stack
> 2845 -1.5% 2803 proc-vmstat.nr_page_table_pages
> 9142 ± 6% +37.2% 12542 proc-vmstat.nr_shmem
> 36767 +12.8% 41463 ± 2% proc-vmstat.nr_slab_reclaimable
> 13387539 +60.3% 21463781 proc-vmstat.nr_written
> 66757 +4.8% 69942 proc-vmstat.nr_zone_active_anon
> 2009 ± 21% +261.7% 7267 ± 52% proc-vmstat.nr_zone_active_file
> 4120 +10.8% 4565 proc-vmstat.nr_zone_inactive_anon
> 15494 -54.2% 7089 proc-vmstat.nr_zone_write_pending
> 582146 ±102% +628.1% 4238850 ± 6% proc-vmstat.numa_foreign
> 13506 ± 3% +114.5% 28974 ± 31% proc-vmstat.numa_hint_faults
> 8913 ± 6% +148.6% 22154 ± 35% proc-vmstat.numa_hint_faults_local
> 582146 ±102% +628.1% 4238850 ± 6% proc-vmstat.numa_miss
> 597885 ± 99% +611.6% 4254585 ± 6% proc-vmstat.numa_other
> 1014174 ± 20% -46.1% 547135 ± 57% proc-vmstat.pgalloc_dma32
> 16157005 +22.4% 19769138 proc-vmstat.pgalloc_normal
> 2516271 +152.8% 6360808 proc-vmstat.pgfault
> 4866589 +64.4% 8002519 proc-vmstat.pgfree
> 53553588 +60.3% 85856803 proc-vmstat.pgpgout
> 1.55 ± 4% +0.1 1.65 perf-profile.calltrace.cycles-pp.__schedule.schedule.io_schedule.wait_on_page_bit.f2fs_wait_on_page_writeback
> 1.58 ± 4% +0.1 1.69 perf-profile.calltrace.cycles-pp.schedule.io_schedule.wait_on_page_bit.f2fs_wait_on_page_writeback.f2fs_wait_on_node_pages_writeback
> 1.60 ± 4% +0.1 1.71 perf-profile.calltrace.cycles-pp.io_schedule.wait_on_page_bit.f2fs_wait_on_page_writeback.f2fs_wait_on_node_pages_writeback.f2fs_do_sync_file
> 0.75 ± 2% +0.2 0.91 ± 2% perf-profile.calltrace.cycles-pp.menu_select.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64
> 0.70 ± 4% -0.3 0.36 ± 7% perf-profile.children.cycles-pp.__generic_file_write_iter
> 0.69 ± 4% -0.3 0.35 ± 7% perf-profile.children.cycles-pp.generic_perform_write
> 0.57 ± 5% -0.3 0.25 ± 6% perf-profile.children.cycles-pp.__filemap_fdatawrite_range
> 0.58 ± 5% -0.3 0.26 ± 7% perf-profile.children.cycles-pp.file_write_and_wait_range
> 0.57 ± 6% -0.3 0.25 ± 6% perf-profile.children.cycles-pp.do_writepages
> 0.57 ± 5% -0.3 0.25 ± 6% perf-profile.children.cycles-pp.f2fs_write_data_pages
> 0.64 ± 5% -0.3 0.34 ± 6% perf-profile.children.cycles-pp.f2fs_write_begin
> 0.57 ± 5% -0.2 0.32 ± 7% perf-profile.children.cycles-pp.f2fs_put_page
> 0.31 ± 10% -0.2 0.11 ± 7% perf-profile.children.cycles-pp.blk_finish_plug
> 0.31 ± 10% -0.2 0.11 ± 7% perf-profile.children.cycles-pp.blk_flush_plug_list
> 0.30 ± 11% -0.2 0.11 ± 6% perf-profile.children.cycles-pp.raid1_unplug
> 0.26 -0.1 0.14 ± 12% perf-profile.children.cycles-pp.f2fs_write_cache_pages
> 0.22 ± 20% -0.1 0.11 ± 41% perf-profile.children.cycles-pp.brd_do_bvec
> 0.14 ± 12% -0.1 0.03 ±100% perf-profile.children.cycles-pp.submit_bio_wait
> 0.21 ± 10% -0.1 0.11 ± 10% perf-profile.children.cycles-pp.submit_bio
> 0.23 ± 17% -0.1 0.13 ± 31% perf-profile.children.cycles-pp.worker_thread
> 0.20 ± 3% -0.1 0.11 ± 14% perf-profile.children.cycles-pp.__write_data_page
> 0.14 ± 15% -0.1 0.05 ± 9% perf-profile.children.cycles-pp.__submit_flush_wait
> 0.17 ± 12% -0.1 0.09 ± 12% perf-profile.children.cycles-pp.md_make_request
> 0.16 ± 11% -0.1 0.08 ± 14% perf-profile.children.cycles-pp.md_handle_request
> 0.15 ± 9% -0.1 0.07 ± 11% perf-profile.children.cycles-pp.raid1_make_request
> 0.14 ± 17% -0.1 0.06 ± 11% perf-profile.children.cycles-pp.f2fs_issue_flush
> 0.14 ± 6% -0.1 0.08 ± 19% perf-profile.children.cycles-pp.f2fs_do_write_data_page
> 0.10 ± 33% -0.0 0.06 ± 11% perf-profile.children.cycles-pp.reschedule_interrupt
> 0.09 ± 37% -0.0 0.05 ± 8% perf-profile.children.cycles-pp.scheduler_ipi
> 0.06 ± 6% +0.0 0.08 ± 10% perf-profile.children.cycles-pp.up_read
> 0.10 ± 4% +0.0 0.12 ± 13% perf-profile.children.cycles-pp.pick_next_task_idle
> 0.20 ± 2% +0.0 0.23 ± 5% perf-profile.children.cycles-pp.get_next_timer_interrupt
> 0.16 ± 6% +0.0 0.19 ± 4% perf-profile.children.cycles-pp.irq_exit
> 0.01 ±173% +0.1 0.07 ± 7% perf-profile.children.cycles-pp.put_prev_task_fair
> 0.27 ± 3% +0.1 0.33 ± 4% perf-profile.children.cycles-pp.tick_nohz_next_event
> 0.35 ± 3% +0.1 0.42 ± 3% perf-profile.children.cycles-pp.tick_nohz_get_sleep_length
> 1.60 ± 4% +0.1 1.72 perf-profile.children.cycles-pp.io_schedule
> 0.78 ± 2% +0.1 0.92 ± 2% perf-profile.children.cycles-pp.menu_select
> 0.06 ± 6% +0.0 0.08 ± 10% perf-profile.self.cycles-pp.up_read
> 0.08 ± 5% +0.0 0.11 ± 11% perf-profile.self.cycles-pp.cpuidle_enter_state
> 0.35 ± 5% +0.0 0.39 ± 5% perf-profile.self.cycles-pp.f2fs_wait_on_node_pages_writeback
> 0.35 ± 4% +0.1 0.41 ± 3% perf-profile.self.cycles-pp.menu_select
> 8096 ± 28% +278.9% 30679 ± 20% sched_debug.cfs_rq:/.MIN_vruntime.avg
> 158062 ± 17% +299.5% 631442 ± 8% sched_debug.cfs_rq:/.MIN_vruntime.max
> 32629 ± 22% +289.7% 127148 ± 13% sched_debug.cfs_rq:/.MIN_vruntime.stddev
> 44053 +192.3% 128774 sched_debug.cfs_rq:/.exec_clock.avg
> 140530 ± 9% +377.8% 671471 ± 29% sched_debug.cfs_rq:/.exec_clock.max
> 33108 ± 2% +109.9% 69484 ± 2% sched_debug.cfs_rq:/.exec_clock.min
> 20291 ± 7% +386.1% 98642 ± 21% sched_debug.cfs_rq:/.exec_clock.stddev
> 0.25 ± 82% -88.4% 0.03 ±131% sched_debug.cfs_rq:/.load_avg.min
> 8096 ± 28% +278.9% 30679 ± 20% sched_debug.cfs_rq:/.max_vruntime.avg
> 158062 ± 17% +299.5% 631442 ± 8% sched_debug.cfs_rq:/.max_vruntime.max
> 32629 ± 22% +289.7% 127148 ± 13% sched_debug.cfs_rq:/.max_vruntime.stddev
> 184170 +218.6% 586859 ± 2% sched_debug.cfs_rq:/.min_vruntime.avg
> 251516 ± 4% +254.5% 891702 ± 11% sched_debug.cfs_rq:/.min_vruntime.max
> 165614 +131.3% 383025 ± 2% sched_debug.cfs_rq:/.min_vruntime.min
> 15286 ± 9% +1057.3% 176903 ± 10% sched_debug.cfs_rq:/.min_vruntime.stddev
> 0.67 ± 6% +45.5% 0.98 ± 9% sched_debug.cfs_rq:/.nr_spread_over.avg
> 0.74 ± 20% +32.4% 0.98 ± 13% sched_debug.cfs_rq:/.nr_spread_over.stddev
> 3.43 ± 29% -60.7% 1.35 ±100% sched_debug.cfs_rq:/.removed.load_avg.avg
> 75.10 ± 34% -84.1% 11.91 ±100% sched_debug.cfs_rq:/.removed.load_avg.max
> 15.24 ± 23% -75.5% 3.74 ±100% sched_debug.cfs_rq:/.removed.load_avg.stddev
> 157.58 ± 29% -60.5% 62.19 ±100% sched_debug.cfs_rq:/.removed.runnable_sum.avg
> 3459 ± 34% -84.0% 552.75 ± 99% sched_debug.cfs_rq:/.removed.runnable_sum.max
> 700.79 ± 23% -75.4% 172.66 ±100% sched_debug.cfs_rq:/.removed.runnable_sum.stddev
> 34.81 ± 42% -87.0% 4.53 ±100% sched_debug.cfs_rq:/.removed.util_avg.max
> 5.89 ± 31% -79.0% 1.23 ±100% sched_debug.cfs_rq:/.removed.util_avg.stddev
> 59642 ± 58% +506.4% 361657 ± 61% sched_debug.cfs_rq:/.spread0.max
> 15286 ± 9% +1057.2% 176904 ± 10% sched_debug.cfs_rq:/.spread0.stddev
> 15.81 ± 15% +28.7% 20.34 ± 2% sched_debug.cfs_rq:/.util_est_enqueued.avg
> 553.04 ± 15% +42.8% 789.60 ± 2% sched_debug.cfs_rq:/.util_est_enqueued.max
> 83.37 ± 15% +37.7% 114.78 ± 2% sched_debug.cfs_rq:/.util_est_enqueued.stddev
> 130721 -17.9% 107295 sched_debug.cpu.avg_idle.avg
> 32650 ± 7% -16.9% 27145 ± 6% sched_debug.cpu.avg_idle.min
> 509212 +151.7% 1281639 sched_debug.cpu.clock.avg
> 509215 +151.7% 1281642 sched_debug.cpu.clock.max
> 509209 +151.7% 1281636 sched_debug.cpu.clock.min
> 509212 +151.7% 1281639 sched_debug.cpu.clock_task.avg
> 509215 +151.7% 1281642 sched_debug.cpu.clock_task.max
> 509209 +151.7% 1281636 sched_debug.cpu.clock_task.min
> 480.69 ± 2% +89.2% 909.42 ± 3% sched_debug.cpu.curr->pid.avg
> 14037 +135.4% 33040 sched_debug.cpu.curr->pid.max
> 2146 ± 2% +125.6% 4843 sched_debug.cpu.curr->pid.stddev
> 0.12 ± 5% +10.2% 0.13 ± 3% sched_debug.cpu.nr_running.avg
> 10174129 +208.2% 31360192 sched_debug.cpu.nr_switches.avg
> 10849045 +290.1% 42321541 ± 3% sched_debug.cpu.nr_switches.max
> 564008 ± 15% +1719.4% 10261545 ± 8% sched_debug.cpu.nr_switches.stddev
> -87.16 +262.4% -315.83 sched_debug.cpu.nr_uninterruptible.min
> 66.84 ± 14% +143.1% 162.48 ± 21% sched_debug.cpu.nr_uninterruptible.stddev
> 10172460 +208.3% 31358619 sched_debug.cpu.sched_count.avg
> 10847113 +290.1% 42319816 ± 3% sched_debug.cpu.sched_count.max
> 563945 ± 15% +1719.6% 10261603 ± 8% sched_debug.cpu.sched_count.stddev
> 4957584 +211.1% 15425344 sched_debug.cpu.sched_goidle.avg
> 5286410 +291.7% 20709361 ± 3% sched_debug.cpu.sched_goidle.max
> 272603 ± 14% +1717.5% 4954528 ± 7% sched_debug.cpu.sched_goidle.stddev
> 5120024 +209.4% 15841794 sched_debug.cpu.ttwu_count.avg
> 58965381 ± 14% +567.2% 3.934e+08 ± 33% sched_debug.cpu.ttwu_count.max
> 132694 ± 2% -41.0% 78274 ± 5% sched_debug.cpu.ttwu_count.min
> 11266172 ± 8% +482.6% 65635267 ± 21% sched_debug.cpu.ttwu_count.stddev
> 114955 +26.1% 144930 ± 3% sched_debug.cpu.ttwu_local.max
> 83595 ± 4% -53.0% 39284 ± 30% sched_debug.cpu.ttwu_local.min
> 5967 ± 16% +460.9% 33468 ± 9% sched_debug.cpu.ttwu_local.stddev
> 509209 +151.7% 1281636 sched_debug.cpu_clk
> 506629 +152.5% 1279056 sched_debug.ktime
> 509627 +151.6% 1282053 sched_debug.sched_clk
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