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Message-ID: <202507150815.f6cdbee0-lkp@intel.com>
Date: Tue, 15 Jul 2025 15:32:04 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Steven Rostedt <rostedt@...dmis.org>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, David Howells
<dhowells@...hat.com>, <linux-kernel@...r.kernel.org>,
<linux-trace-kernel@...r.kernel.org>, Masami Hiramatsu <mhiramat@...nel.org>,
Mathieu Desnoyers <mathieu.desnoyers@...icios.com>, <oliver.sang@...el.com>
Subject: Re: [PATCH] ring-buffer: Remove ring_buffer_read_prepare_sync()
Hello,
kernel test robot noticed a 46.6% improvement of stress-ng.mmapfiles.ops_per_sec on:
commit: e554d9f934596e6e1c81f99d4617d3c3061129bb ("[PATCH] ring-buffer: Remove ring_buffer_read_prepare_sync()")
url: https://github.com/intel-lab-lkp/linux/commits/Steven-Rostedt/ring-buffer-Remove-ring_buffer_read_prepare_sync/20250701-060627
base: https://git.kernel.org/cgit/linux/kernel/git/trace/linux-trace for-next
patch link: https://lore.kernel.org/all/20250630180440.3eabb514@batman.local.home/
patch subject: [PATCH] ring-buffer: Remove ring_buffer_read_prepare_sync()
testcase: stress-ng
config: x86_64-rhel-9.4
compiler: gcc-12
test machine: 192 threads 2 sockets Intel(R) Xeon(R) 6740E CPU @ 2.4GHz (Sierra Forest) with 256G memory
parameters:
nr_threads: 100%
testtime: 60s
test: mmapfiles
cpufreq_governor: performance
Details are as below:
-------------------------------------------------------------------------------------------------->
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20250715/202507150815.f6cdbee0-lkp@intel.com
=========================================================================================
compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime:
gcc-12/performance/x86_64-rhel-9.4/100%/debian-12-x86_64-20240206.cgz/lkp-srf-2sp2/mmapfiles/stress-ng/60s
commit:
9cca84d73f ("Merge tools/for-next")
e554d9f934 ("ring-buffer: Remove ring_buffer_read_prepare_sync()")
9cca84d73fae0f7c e554d9f934596e6e1c81f99d461
---------------- ---------------------------
%stddev %change %stddev
\ | \
1.191e+10 -30.8% 8.242e+09 ± 5% cpuidle..time
557160 +182.9% 1576368 ± 12% cpuidle..usage
517840 ± 8% +499.0% 3101638 ± 7% numa-numastat.node0.local_node
592074 ± 10% +446.4% 3235092 ± 6% numa-numastat.node0.numa_hit
487358 ± 8% +500.3% 2925629 ± 4% numa-numastat.node1.local_node
610968 ± 9% +389.4% 2990283 ± 5% numa-numastat.node1.numa_hit
98.45 -29.1% 69.78 ± 5% vmstat.cpu.id
2.41 ± 16% +2346.5% 59.04 ± 11% vmstat.procs.r
3491 +162.4% 9160 ± 12% vmstat.system.cs
14593 +813.0% 133235 ± 22% vmstat.system.in
6.50 ± 53% +38700.0% 2522 ± 44% perf-c2c.DRAM.local
40.17 ± 21% +11012.2% 4463 ± 59% perf-c2c.DRAM.remote
83.50 ± 26% +12360.8% 10404 ± 84% perf-c2c.HITM.local
25.50 ± 22% +9441.2% 2433 ± 81% perf-c2c.HITM.remote
109.00 ± 23% +11677.8% 12837 ± 81% perf-c2c.HITM.total
143881 +61.6% 232515 meminfo.KReclaimable
10550821 ± 2% +17.2% 12364230 ± 4% meminfo.Memused
44747 ± 2% +2922.7% 1352558 ± 34% meminfo.PageTables
143881 +61.6% 232515 meminfo.SReclaimable
233317 +40.9% 328842 ± 13% meminfo.Shmem
11374925 ± 2% +17.1% 13323634 ± 5% meminfo.max_used_kB
85738 ± 39% +103.8% 174738 ± 3% numa-meminfo.node0.KReclaimable
5806365 ± 25% +35.4% 7863059 ± 2% numa-meminfo.node0.MemUsed
25460 ± 38% +2636.2% 696665 ± 37% numa-meminfo.node0.PageTables
85738 ± 39% +103.8% 174738 ± 3% numa-meminfo.node0.SReclaimable
19286 ± 52% +3358.4% 667006 ± 32% numa-meminfo.node1.PageTables
99582 ± 88% +136.2% 235198 ± 51% numa-meminfo.node1.Shmem
98.49 -29.7 68.82 ± 5% mpstat.cpu.all.idle%
0.02 ± 5% +0.1 0.16 ± 11% mpstat.cpu.all.irq%
0.05 ± 2% +0.1 0.14 ± 11% mpstat.cpu.all.soft%
1.27 +29.3 30.53 ± 12% mpstat.cpu.all.sys%
0.17 +0.2 0.35 ± 11% mpstat.cpu.all.usr%
2.00 +410.0% 10.20 ± 33% mpstat.max_utilization.seconds
56.84 ± 3% +75.9% 100.00 mpstat.max_utilization_pct
6362 ± 38% +2597.0% 171604 ± 38% numa-vmstat.node0.nr_page_table_pages
21433 ± 39% +103.7% 43659 ± 3% numa-vmstat.node0.nr_slab_reclaimable
592326 ± 10% +447.6% 3243498 ± 6% numa-vmstat.node0.numa_hit
518092 ± 8% +500.3% 3110044 ± 7% numa-vmstat.node0.numa_local
4823 ± 52% +3265.9% 162349 ± 31% numa-vmstat.node1.nr_page_table_pages
24897 ± 88% +134.9% 58481 ± 52% numa-vmstat.node1.nr_shmem
610128 ± 9% +391.6% 2999506 ± 5% numa-vmstat.node1.numa_hit
486517 ± 8% +503.2% 2934852 ± 4% numa-vmstat.node1.numa_local
173139 ± 7% -28.5% 123716 ± 5% stress-ng.mmapfiles.file_munmap_per_sec
3255621 +189.4% 9420391 ± 17% stress-ng.mmapfiles.file_pages_mmap'd_per_sec
4406848 ± 7% +177.4% 12226005 ± 17% stress-ng.mmapfiles.file_pages_munmap'd_per_sec
6750720 +45.8% 9839893 ± 4% stress-ng.mmapfiles.ops
111233 +46.6% 163043 ± 4% stress-ng.mmapfiles.ops_per_sec
25.45 +185.7% 72.72 ± 17% stress-ng.mmapfiles.pages_per_mapping
2385 ± 11% +1274.5% 32790 ± 3% stress-ng.time.involuntary_context_switches
126772 ± 7% +39.7% 177103 ± 7% stress-ng.time.minor_page_faults
233.83 +2464.3% 5996 ± 12% stress-ng.time.percent_of_cpu_this_job_got
139.02 ± 2% +2502.9% 3618 ± 12% stress-ng.time.system_time
4.73 ± 2% +325.0% 20.11 ± 7% stress-ng.time.user_time
23391 +393.7% 115477 ± 27% stress-ng.time.voluntary_context_switches
945786 +2.6% 970204 proc-vmstat.nr_file_pages
68051 +11.7% 76009 ± 6% proc-vmstat.nr_mapped
11189 ± 2% +2912.5% 337076 ± 34% proc-vmstat.nr_page_table_pages
58330 +40.5% 81973 ± 13% proc-vmstat.nr_shmem
35968 +61.4% 58056 proc-vmstat.nr_slab_reclaimable
923417 +4.1% 961412 proc-vmstat.nr_slab_unreclaimable
6994 ± 2% +282.2% 26735 ± 88% proc-vmstat.numa_hint_faults
1205445 +417.1% 6233925 ± 6% proc-vmstat.numa_hit
1007600 +499.0% 6035817 ± 6% proc-vmstat.numa_local
500.50 ± 46% +3114.1% 16086 ± 82% proc-vmstat.numa_pages_migrated
8249 +920.6% 84190 ± 65% proc-vmstat.numa_pte_updates
1867778 ± 3% +476.0% 10758231 ± 4% proc-vmstat.pgalloc_normal
480874 +15.1% 553383 ± 6% proc-vmstat.pgfault
1816801 ± 3% +417.9% 9409800 ± 8% proc-vmstat.pgfree
500.50 ± 46% +3114.1% 16086 ± 82% proc-vmstat.pgmigrate_success
18020 +39.3% 25094 ± 7% proc-vmstat.pgreuse
1.50 ± 5% -21.0% 1.19 ± 2% perf-stat.i.MPKI
9.549e+08 ± 3% +526.1% 5.979e+09 ± 5% perf-stat.i.branch-instructions
2.68 -2.1 0.58 ± 6% perf-stat.i.branch-miss-rate%
18077507 +39.1% 25144949 ± 3% perf-stat.i.branch-misses
20.48 ± 3% +15.9 36.39 ± 4% perf-stat.i.cache-miss-rate%
5467752 ± 11% +471.9% 31267720 ± 6% perf-stat.i.cache-misses
17535422 ± 4% +384.2% 84912182 ± 7% perf-stat.i.cache-references
3219 +184.2% 9149 ± 12% perf-stat.i.context-switches
1.75 +268.0% 6.43 ± 14% perf-stat.i.cpi
7.74e+09 ± 4% +2371.9% 1.913e+11 ± 11% perf-stat.i.cpu-cycles
278.42 +12.2% 312.44 ± 2% perf-stat.i.cpu-migrations
2859 ± 8% +147.1% 7066 ± 13% perf-stat.i.cycles-between-cache-misses
4.615e+09 ± 3% +524.5% 2.882e+10 ± 5% perf-stat.i.instructions
0.71 -55.8% 0.31 ± 18% perf-stat.i.ipc
5250 ± 3% +20.7% 6340 ± 7% perf-stat.i.minor-faults
5250 ± 3% +20.7% 6340 ± 7% perf-stat.i.page-faults
1.89 ± 3% -1.5 0.42 ± 2% perf-stat.overall.branch-miss-rate%
31.05 ± 6% +5.8 36.86 ± 3% perf-stat.overall.cache-miss-rate%
1.68 ± 2% +295.8% 6.65 ± 7% perf-stat.overall.cpi
1431 ± 7% +329.5% 6147 ± 9% perf-stat.overall.cycles-between-cache-misses
0.60 ± 2% -74.6% 0.15 ± 7% perf-stat.overall.ipc
9.436e+08 ± 3% +523.6% 5.884e+09 ± 5% perf-stat.ps.branch-instructions
17808666 +37.8% 24537286 ± 3% perf-stat.ps.branch-misses
5399377 ± 11% +468.8% 30710020 ± 6% perf-stat.ps.cache-misses
17331532 ± 4% +381.3% 83414797 ± 7% perf-stat.ps.cache-references
3165 +183.8% 8984 ± 12% perf-stat.ps.context-switches
7.661e+09 ± 4% +2367.5% 1.89e+11 ± 11% perf-stat.ps.cpu-cycles
273.88 +12.1% 306.96 ± 2% perf-stat.ps.cpu-migrations
4.561e+09 ± 3% +521.7% 2.836e+10 ± 5% perf-stat.ps.instructions
5162 ± 3% +20.5% 6221 ± 7% perf-stat.ps.minor-faults
5162 ± 3% +20.5% 6221 ± 7% perf-stat.ps.page-faults
2.827e+11 ± 4% +518.2% 1.748e+12 ± 6% perf-stat.total.instructions
0.03 ± 22% +114.4% 0.07 ± 48% sched_debug.cfs_rq:/.h_nr_queued.avg
0.16 ± 8% +46.6% 0.24 ± 14% sched_debug.cfs_rq:/.h_nr_queued.stddev
0.03 ± 22% +114.4% 0.07 ± 48% sched_debug.cfs_rq:/.h_nr_runnable.avg
0.16 ± 8% +46.6% 0.24 ± 14% sched_debug.cfs_rq:/.h_nr_runnable.stddev
28.55 ± 22% +105.6% 58.68 ± 30% sched_debug.cfs_rq:/.load_avg.avg
129.70 ± 12% +68.8% 219.00 ± 21% sched_debug.cfs_rq:/.load_avg.stddev
0.03 ± 23% +110.4% 0.07 ± 49% sched_debug.cfs_rq:/.nr_queued.avg
0.17 ± 10% +44.6% 0.24 ± 16% sched_debug.cfs_rq:/.nr_queued.stddev
19.92 ± 31% +131.3% 46.08 ± 38% sched_debug.cfs_rq:/.removed.load_avg.avg
96.83 ± 15% +102.7% 196.23 ± 25% sched_debug.cfs_rq:/.removed.load_avg.stddev
8.64 ± 31% +113.6% 18.44 ± 35% sched_debug.cfs_rq:/.removed.runnable_avg.avg
263.25 ± 2% +80.2% 474.40 ± 20% sched_debug.cfs_rq:/.removed.runnable_avg.max
43.62 ± 16% +87.4% 81.72 ± 22% sched_debug.cfs_rq:/.removed.runnable_avg.stddev
8.64 ± 31% +113.6% 18.44 ± 35% sched_debug.cfs_rq:/.removed.util_avg.avg
263.25 ± 2% +80.1% 474.20 ± 20% sched_debug.cfs_rq:/.removed.util_avg.max
43.62 ± 16% +87.3% 81.72 ± 22% sched_debug.cfs_rq:/.removed.util_avg.stddev
73.73 ± 5% +107.0% 152.62 ± 11% sched_debug.cfs_rq:/.runnable_avg.avg
132.86 ± 2% +75.9% 233.71 ± 18% sched_debug.cfs_rq:/.runnable_avg.stddev
73.61 ± 5% +107.0% 152.40 ± 11% sched_debug.cfs_rq:/.util_avg.avg
132.55 ± 2% +76.2% 233.59 ± 18% sched_debug.cfs_rq:/.util_avg.stddev
6.04 ± 37% +243.7% 20.77 ± 85% sched_debug.cfs_rq:/.util_est.avg
372.25 ± 17% +89.1% 704.00 ± 20% sched_debug.cfs_rq:/.util_est.max
41.23 ± 23% +122.7% 91.83 ± 38% sched_debug.cfs_rq:/.util_est.stddev
66163 ± 20% -93.2% 4511 ± 59% sched_debug.cpu.avg_idle.min
124590 ± 7% +63.4% 203555 ± 20% sched_debug.cpu.avg_idle.stddev
239770 -10.1% 215480 ± 5% sched_debug.cpu.clock.avg
239792 -10.1% 215503 ± 5% sched_debug.cpu.clock.max
239740 -10.1% 215453 ± 5% sched_debug.cpu.clock.min
239688 -10.1% 215399 ± 5% sched_debug.cpu.clock_task.avg
239761 -10.1% 215478 ± 5% sched_debug.cpu.clock_task.max
233073 -10.4% 208806 ± 5% sched_debug.cpu.clock_task.min
102.79 ± 24% +146.7% 253.62 ± 72% sched_debug.cpu.curr->pid.avg
615.65 ± 8% +39.6% 859.42 ± 28% sched_debug.cpu.curr->pid.stddev
0.03 ± 27% +128.4% 0.06 ± 54% sched_debug.cpu.nr_running.avg
0.14 ± 11% +57.0% 0.22 ± 17% sched_debug.cpu.nr_running.stddev
0.50 -83.0% 0.09 ±181% sched_debug.cpu.nr_uninterruptible.avg
239751 -10.1% 215460 ± 5% sched_debug.cpu_clk
239489 -10.1% 215201 ± 5% sched_debug.ktime
239978 -10.1% 215654 ± 5% sched_debug.sched_clk
0.00 ±223% +23036.0% 0.19 ± 54% perf-sched.sch_delay.avg.ms.__cond_resched.__kmalloc_cache_noprof.perf_event_mmap_event.perf_event_mmap.__mmap_region
0.01 +106.7% 0.02 ± 48% perf-sched.sch_delay.avg.ms.__cond_resched.__wait_for_common.affine_move_task.__set_cpus_allowed_ptr.__sched_setaffinity
0.00 ±223% +6920.0% 0.05 ±112% perf-sched.sch_delay.avg.ms.__cond_resched.kmem_cache_alloc_noprof.vm_area_alloc.__mmap_new_vma.__mmap_region
0.00 ±145% +14564.0% 0.24 ±126% perf-sched.sch_delay.avg.ms.__cond_resched.zap_pte_range.zap_pmd_range.isra.0
0.02 ± 12% -43.3% 0.01 ± 29% perf-sched.sch_delay.avg.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
0.01 ± 8% +22.3% 0.01 ± 4% perf-sched.sch_delay.avg.ms.anon_pipe_read.fifo_pipe_read.vfs_read.ksys_read
0.00 ±104% +1168.6% 0.03 ± 56% perf-sched.sch_delay.avg.ms.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown]
0.02 ± 47% -75.5% 0.00 ± 93% perf-sched.sch_delay.avg.ms.rcu_gp_kthread.kthread.ret_from_fork.ret_from_fork_asm
0.02 ± 9% -33.6% 0.01 ± 19% perf-sched.sch_delay.avg.ms.schedule_hrtimeout_range_clock.ep_poll.do_epoll_wait.__x64_sys_epoll_wait
2.30 ±219% -99.9% 0.00 ±200% perf-sched.sch_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.__tracing_open
2.35 ±222% -100.0% 0.00 perf-sched.sch_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_buffers_open
0.01 ± 11% -100.0% 0.00 perf-sched.sch_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_open_pipe
0.02 ± 45% -90.5% 0.00 ±200% perf-sched.sch_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release
0.01 ± 3% +501.8% 0.07 ± 54% perf-sched.sch_delay.avg.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.__wait_rcu_gp
0.01 +68.0% 0.01 ± 40% perf-sched.sch_delay.avg.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
0.01 ± 34% +252.6% 0.04 ± 76% perf-sched.sch_delay.avg.ms.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
0.03 ± 41% -58.0% 0.01 ± 8% perf-sched.sch_delay.avg.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
0.00 ±223% +1392.5% 0.04 ± 85% perf-sched.sch_delay.max.ms.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.alloc_pages_noprof.pte_alloc_one
0.00 ±223% +1.6e+05% 1.36 ± 71% perf-sched.sch_delay.max.ms.__cond_resched.__kmalloc_cache_noprof.perf_event_mmap_event.perf_event_mmap.__mmap_region
0.04 ± 31% +12614.8% 5.36 ±136% perf-sched.sch_delay.max.ms.__cond_resched.__wait_for_common.affine_move_task.__set_cpus_allowed_ptr.__sched_setaffinity
0.00 ±223% +23720.0% 0.16 ±142% perf-sched.sch_delay.max.ms.__cond_resched.kmem_cache_alloc_noprof.vm_area_alloc.__mmap_new_vma.__mmap_region
0.00 ±145% +43904.0% 0.73 ±110% perf-sched.sch_delay.max.ms.__cond_resched.zap_pte_range.zap_pmd_range.isra.0
0.04 ± 11% -46.3% 0.02 ± 34% perf-sched.sch_delay.max.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
0.04 ± 15% +38.7% 0.06 ± 5% perf-sched.sch_delay.max.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64
0.03 ± 23% -37.5% 0.02 ± 26% perf-sched.sch_delay.max.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep
0.00 ±104% +8077.1% 0.19 ± 75% perf-sched.sch_delay.max.ms.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown]
0.01 ± 79% +25841.2% 2.20 ±159% perf-sched.sch_delay.max.ms.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown].[unknown]
2.85 ±114% -99.9% 0.00 ± 93% perf-sched.sch_delay.max.ms.rcu_gp_kthread.kthread.ret_from_fork.ret_from_fork_asm
0.04 ± 7% -33.2% 0.03 ± 29% perf-sched.sch_delay.max.ms.schedule_hrtimeout_range_clock.ep_poll.do_epoll_wait.__x64_sys_epoll_wait
162.34 ±220% -100.0% 0.00 ±200% perf-sched.sch_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.__tracing_open
151.86 ±223% -100.0% 0.00 perf-sched.sch_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_buffers_open
0.03 ± 12% -83.7% 0.00 ±200% perf-sched.sch_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_buffers_release
0.04 ± 34% +2146.1% 0.81 ± 88% perf-sched.sch_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_check_open_get_tr
0.02 ± 12% -100.0% 0.00 perf-sched.sch_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_open_pipe
1.86 ±218% -99.9% 0.00 ±200% perf-sched.sch_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release
0.03 ± 5% +1199.8% 0.41 ± 51% perf-sched.sch_delay.max.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.__wait_rcu_gp
0.02 ± 7% +17495.5% 3.87 ±122% perf-sched.sch_delay.max.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
0.02 ± 22% +3550.0% 0.58 ± 79% perf-sched.sch_delay.max.ms.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
318.12 -64.9% 111.82 ± 44% perf-sched.total_wait_and_delay.average.ms
7352 +251.9% 25870 ± 78% perf-sched.total_wait_and_delay.count.ms
318.06 -64.8% 111.81 ± 44% perf-sched.total_wait_time.average.ms
3.93 -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.rcu_gp_kthread.kthread.ret_from_fork.ret_from_fork_asm
556.93 ± 6% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.__tracing_open
598.50 ± 7% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_buffers_open
605.96 ± 6% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_buffers_release
648.70 ± 3% -97.8% 14.58 ±127% perf-sched.wait_and_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_check_open_get_tr
729.67 ± 7% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_open_pipe
242.46 ± 5% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release
747.54 ± 5% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release_generic_tr
621.23 ± 23% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release_pipe
228.85 ± 8% -96.1% 8.96 ±200% perf-sched.wait_and_delay.avg.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.__wait_rcu_gp
3.26 +28.1% 4.17 ± 2% perf-sched.wait_and_delay.avg.ms.schedule_timeout.rcu_gp_fqs_loop.rcu_gp_kthread.kthread
0.00 ± 7% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.wait_for_partner.fifo_open.do_dentry_open.vfs_open
922.74 ± 2% -87.3% 116.81 ± 12% perf-sched.wait_and_delay.avg.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
417.33 ± 2% -100.0% 0.00 perf-sched.wait_and_delay.count.rcu_gp_kthread.kthread.ret_from_fork.ret_from_fork_asm
69.17 ± 8% -100.0% 0.00 perf-sched.wait_and_delay.count.schedule_preempt_disabled.__mutex_lock.constprop.0.__tracing_open
65.00 ± 7% -100.0% 0.00 perf-sched.wait_and_delay.count.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_buffers_open
83.00 ± 9% -100.0% 0.00 perf-sched.wait_and_delay.count.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_buffers_release
537.83 ± 2% -96.2% 20.60 ±145% perf-sched.wait_and_delay.count.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_check_open_get_tr
12.50 ± 27% -100.0% 0.00 perf-sched.wait_and_delay.count.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_open_pipe
572.00 ± 2% -100.0% 0.00 perf-sched.wait_and_delay.count.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release
59.00 ± 13% -100.0% 0.00 perf-sched.wait_and_delay.count.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release_generic_tr
17.00 ± 10% -100.0% 0.00 perf-sched.wait_and_delay.count.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release_pipe
463.33 -99.5% 2.20 ±200% perf-sched.wait_and_delay.count.schedule_timeout.__wait_for_common.wait_for_completion_state.__wait_rcu_gp
1031 +16.0% 1196 ± 2% perf-sched.wait_and_delay.count.schedule_timeout.rcu_gp_fqs_loop.rcu_gp_kthread.kthread
36.00 -100.0% 0.00 perf-sched.wait_and_delay.count.wait_for_partner.fifo_open.do_dentry_open.vfs_open
611.50 ± 3% +758.1% 5247 ± 7% perf-sched.wait_and_delay.count.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
1670 ± 27% -52.7% 789.82 ± 50% perf-sched.wait_and_delay.max.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call
5.68 ± 26% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.rcu_gp_kthread.kthread.ret_from_fork.ret_from_fork_asm
1030 ± 2% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.__tracing_open
1031 ± 3% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_buffers_open
1034 ± 2% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_buffers_release
1046 ± 3% -94.2% 60.44 ±123% perf-sched.wait_and_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_check_open_get_tr
1013 ± 3% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_open_pipe
1031 ± 3% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release
1027 ± 2% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release_generic_tr
1006 ± 2% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release_pipe
1044 ± 3% -98.5% 15.36 ±200% perf-sched.wait_and_delay.max.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.__wait_rcu_gp
0.01 ± 29% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.wait_for_partner.fifo_open.do_dentry_open.vfs_open
4529 ± 6% -15.7% 3817 ± 10% perf-sched.wait_and_delay.max.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
0.29 ± 6% +16.7% 0.33 ± 5% perf-sched.wait_time.avg.ms.do_wait.kernel_wait4.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.00 ±223% +28060.0% 0.70 ±154% perf-sched.wait_time.avg.ms.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown]
3.91 -79.2% 0.81 ±117% perf-sched.wait_time.avg.ms.rcu_gp_kthread.kthread.ret_from_fork.ret_from_fork_asm
554.63 ± 5% -98.1% 10.38 ±200% perf-sched.wait_time.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.__tracing_open
596.15 ± 6% -100.0% 0.00 perf-sched.wait_time.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_buffers_open
605.94 ± 6% -96.0% 23.97 ±200% perf-sched.wait_time.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_buffers_release
648.69 ± 3% -91.9% 52.84 ± 70% perf-sched.wait_time.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_check_open_get_tr
729.66 ± 7% -100.0% 0.00 perf-sched.wait_time.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_open_pipe
242.44 ± 5% -99.0% 2.44 ±200% perf-sched.wait_time.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release
747.53 ± 5% -97.3% 19.82 ± 89% perf-sched.wait_time.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release_generic_tr
621.22 ± 23% -95.6% 27.30 ±129% perf-sched.wait_time.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release_pipe
228.84 ± 8% -84.4% 35.69 ± 29% perf-sched.wait_time.avg.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.__wait_rcu_gp
0.68 ± 9% +62.9% 1.11 ± 6% perf-sched.wait_time.avg.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.kernel_clone
3.24 +28.2% 4.16 ± 2% perf-sched.wait_time.avg.ms.schedule_timeout.rcu_gp_fqs_loop.rcu_gp_kthread.kthread
922.72 ± 2% -87.3% 116.80 ± 12% perf-sched.wait_time.avg.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
1670 ± 27% -29.8% 1172 ± 31% perf-sched.wait_time.max.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call
0.01 ±223% +1.5e+05% 7.73 ±167% perf-sched.wait_time.max.ms.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown]
5.00 -83.7% 0.81 ±117% perf-sched.wait_time.max.ms.rcu_gp_kthread.kthread.ret_from_fork.ret_from_fork_asm
1030 ± 2% -99.0% 10.38 ±200% perf-sched.wait_time.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.__tracing_open
1031 ± 3% -100.0% 0.00 perf-sched.wait_time.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_buffers_open
1034 ± 2% -97.7% 23.97 ±200% perf-sched.wait_time.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_buffers_release
1046 ± 3% -86.4% 141.95 ± 38% perf-sched.wait_time.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_check_open_get_tr
1013 ± 3% -100.0% 0.00 perf-sched.wait_time.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_open_pipe
1031 ± 3% -99.5% 4.88 ±200% perf-sched.wait_time.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release
1027 ± 2% -97.3% 27.26 ±104% perf-sched.wait_time.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release_generic_tr
1006 ± 2% -95.7% 43.61 ±149% perf-sched.wait_time.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.tracing_release_pipe
1044 ± 3% -87.7% 128.89 ± 47% perf-sched.wait_time.max.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.__wait_rcu_gp
5.06 ± 2% +55.8% 7.88 ± 17% perf-sched.wait_time.max.ms.schedule_timeout.rcu_gp_fqs_loop.rcu_gp_kthread.kthread
4529 ± 6% -15.7% 3817 ± 10% perf-sched.wait_time.max.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
48.04 ± 7% -46.7 1.38 ± 71% perf-profile.calltrace.cycles-pp.__cmd_record
46.88 ± 8% -45.7 1.20 ± 80% perf-profile.calltrace.cycles-pp.record__finish_output.__cmd_record
46.87 ± 8% -45.7 1.20 ± 80% perf-profile.calltrace.cycles-pp.perf_session__process_events.record__finish_output.__cmd_record
46.74 ± 8% -45.5 1.20 ± 80% perf-profile.calltrace.cycles-pp.reader__read_event.perf_session__process_events.record__finish_output.__cmd_record
40.46 ± 8% -39.7 0.76 ±104% perf-profile.calltrace.cycles-pp.process_simple.reader__read_event.perf_session__process_events.record__finish_output.__cmd_record
38.04 ± 8% -37.3 0.73 ±105% perf-profile.calltrace.cycles-pp.ordered_events__queue.process_simple.reader__read_event.perf_session__process_events.record__finish_output
37.64 ± 8% -36.9 0.73 ±105% perf-profile.calltrace.cycles-pp.queue_event.ordered_events__queue.process_simple.reader__read_event.perf_session__process_events
21.58 ± 8% -21.3 0.24 ±124% perf-profile.calltrace.cycles-pp.perf_session__process_user_event.reader__read_event.perf_session__process_events.record__finish_output.__cmd_record
21.56 ± 8% -21.3 0.24 ±124% perf-profile.calltrace.cycles-pp.__ordered_events__flush.perf_session__process_user_event.reader__read_event.perf_session__process_events.record__finish_output
20.36 ± 8% -20.2 0.13 ±200% perf-profile.calltrace.cycles-pp.perf_session__deliver_event.__ordered_events__flush.perf_session__process_user_event.reader__read_event.perf_session__process_events
19.36 ± 8% -19.2 0.15 ±200% perf-profile.calltrace.cycles-pp.handle_internal_command.main
19.36 ± 8% -19.2 0.15 ±200% perf-profile.calltrace.cycles-pp.main
19.36 ± 8% -19.2 0.15 ±200% perf-profile.calltrace.cycles-pp.run_builtin.handle_internal_command.main
18.32 ± 8% -18.2 0.13 ±200% perf-profile.calltrace.cycles-pp.cmd_record.perf_c2c__record.run_builtin.handle_internal_command.main
18.32 ± 8% -18.2 0.13 ±200% perf-profile.calltrace.cycles-pp.perf_c2c__record.run_builtin.handle_internal_command.main
18.31 ± 8% -18.2 0.13 ±200% perf-profile.calltrace.cycles-pp.__cmd_record.cmd_record.perf_c2c__record.run_builtin.handle_internal_command
15.63 ± 9% -15.6 0.00 perf-profile.calltrace.cycles-pp.record__finish_output.__cmd_record.cmd_record.perf_c2c__record.run_builtin
15.63 ± 9% -15.6 0.00 perf-profile.calltrace.cycles-pp.perf_session__process_events.record__finish_output.__cmd_record.cmd_record.perf_c2c__record
15.58 ± 9% -15.6 0.00 perf-profile.calltrace.cycles-pp.reader__read_event.perf_session__process_events.record__finish_output.__cmd_record.cmd_record
14.08 ± 18% -13.5 0.62 ± 96% perf-profile.calltrace.cycles-pp.common_startup_64
13.01 ± 8% -13.0 0.00 perf-profile.calltrace.cycles-pp.machine__process_mmap2_event.perf_session__deliver_event.__ordered_events__flush.perf_session__process_user_event.reader__read_event
11.85 ± 21% -11.3 0.51 ± 98% perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_secondary.common_startup_64
11.85 ± 21% -11.3 0.51 ± 98% perf-profile.calltrace.cycles-pp.start_secondary.common_startup_64
11.85 ± 21% -11.3 0.51 ± 98% perf-profile.calltrace.cycles-pp.do_idle.cpu_startup_entry.start_secondary.common_startup_64
11.03 ± 16% -10.6 0.46 ± 97% perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry
9.69 ± 21% -9.2 0.49 ± 98% perf-profile.calltrace.cycles-pp.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary.common_startup_64
9.16 ± 16% -8.8 0.34 ±136% perf-profile.calltrace.cycles-pp.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle
9.16 ± 16% -8.8 0.34 ±136% perf-profile.calltrace.cycles-pp.acpi_idle_do_entry.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call
9.16 ± 16% -8.8 0.34 ±136% perf-profile.calltrace.cycles-pp.acpi_safe_halt.acpi_idle_do_entry.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter
8.82 ± 20% -8.4 0.46 ± 97% perf-profile.calltrace.cycles-pp.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary
7.17 ± 15% -7.0 0.18 ±200% perf-profile.calltrace.cycles-pp.pv_native_safe_halt.acpi_safe_halt.acpi_idle_do_entry.acpi_idle_enter.cpuidle_enter_state
6.86 ± 21% -6.7 0.19 ±200% perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.pv_native_safe_halt.acpi_safe_halt.acpi_idle_do_entry.acpi_idle_enter
6.41 ± 9% -6.4 0.00 perf-profile.calltrace.cycles-pp.evlist__parse_sample.perf_session__deliver_event.__ordered_events__flush.perf_session__process_user_event.reader__read_event
6.00 ± 10% -6.0 0.00 perf-profile.calltrace.cycles-pp.map__new.machine__process_mmap2_event.perf_session__deliver_event.__ordered_events__flush.perf_session__process_user_event
5.92 ± 5% -5.7 0.27 ±122% perf-profile.calltrace.cycles-pp.kthread.ret_from_fork.ret_from_fork_asm
5.92 ± 5% -5.7 0.27 ±122% perf-profile.calltrace.cycles-pp.ret_from_fork.ret_from_fork_asm
5.92 ± 5% -5.7 0.27 ±122% perf-profile.calltrace.cycles-pp.ret_from_fork_asm
0.53 ± 47% +0.7 1.18 ± 44% perf-profile.calltrace.cycles-pp.__close
1.14 ± 11% +0.8 1.89 ± 41% perf-profile.calltrace.cycles-pp.do_dentry_open.vfs_open.do_open.path_openat.do_filp_open
1.15 ± 12% +0.8 1.95 ± 41% perf-profile.calltrace.cycles-pp.vfs_open.do_open.path_openat.do_filp_open.do_sys_openat2
0.00 +1.3 1.25 ± 45% perf-profile.calltrace.cycles-pp.lockref_put_return.dput.step_into.link_path_walk.path_openat
0.00 +1.3 1.26 ± 49% perf-profile.calltrace.cycles-pp.lookup_fast.open_last_lookups.path_openat.do_filp_open.do_sys_openat2
0.00 +1.3 1.34 ± 51% perf-profile.calltrace.cycles-pp.open_last_lookups.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
0.00 +1.7 1.65 ± 51% perf-profile.calltrace.cycles-pp.vma_interval_tree_insert.__mmap_new_vma.__mmap_region.do_mmap.vm_mmap_pgoff
0.00 +1.7 1.68 ± 41% perf-profile.calltrace.cycles-pp.down_read.kernfs_iop_permission.inode_permission.may_open.do_open
0.00 +1.9 1.89 ± 53% perf-profile.calltrace.cycles-pp.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe.getdents64
0.00 +1.9 1.92 ± 53% perf-profile.calltrace.cycles-pp.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe.getdents64
0.00 +1.9 1.93 ± 53% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.getdents64
0.00 +1.9 1.94 ± 52% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.getdents64
0.00 +2.0 1.98 ± 52% perf-profile.calltrace.cycles-pp.getdents64
0.00 +2.1 2.07 ± 42% perf-profile.calltrace.cycles-pp.down_read.kernfs_iop_getattr.vfs_getattr_nosec.vfs_fstat.__do_sys_newfstatat
0.00 +2.5 2.49 ± 46% perf-profile.calltrace.cycles-pp.kernfs_iop_permission.inode_permission.may_open.do_open.path_openat
0.00 +2.7 2.67 ± 45% perf-profile.calltrace.cycles-pp.inode_permission.may_open.do_open.path_openat.do_filp_open
0.00 +2.8 2.82 ± 46% perf-profile.calltrace.cycles-pp.down_read.kernfs_dop_revalidate.lookup_fast.walk_component.link_path_walk
0.00 +2.9 2.85 ± 45% perf-profile.calltrace.cycles-pp.may_open.do_open.path_openat.do_filp_open.do_sys_openat2
0.00 +2.9 2.86 ± 37% perf-profile.calltrace.cycles-pp.kernfs_iop_getattr.vfs_getattr_nosec.vfs_fstat.__do_sys_newfstatat.do_syscall_64
0.00 +3.1 3.10 ± 36% perf-profile.calltrace.cycles-pp.vfs_getattr_nosec.vfs_fstat.__do_sys_newfstatat.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.00 +3.1 3.14 ± 36% perf-profile.calltrace.cycles-pp.vfs_fstat.__do_sys_newfstatat.do_syscall_64.entry_SYSCALL_64_after_hwframe.fstatat64
0.00 +3.2 3.23 ± 76% perf-profile.calltrace.cycles-pp.zap_present_ptes.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas
0.00 +3.2 3.24 ± 39% perf-profile.calltrace.cycles-pp.kernfs_dop_revalidate.lookup_fast.walk_component.link_path_walk.path_openat
0.00 +3.3 3.32 ± 36% perf-profile.calltrace.cycles-pp.__do_sys_newfstatat.do_syscall_64.entry_SYSCALL_64_after_hwframe.fstatat64
0.00 +3.4 3.38 ± 35% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.fstatat64
0.00 +3.4 3.39 ± 35% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.fstatat64
0.00 +3.5 3.55 ± 35% perf-profile.calltrace.cycles-pp.fstatat64
1.36 ± 8% +3.7 5.09 ± 42% perf-profile.calltrace.cycles-pp.do_open.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
0.00 +3.9 3.89 ± 58% perf-profile.calltrace.cycles-pp.dput.terminate_walk.path_openat.do_filp_open.do_sys_openat2
0.00 +3.9 3.91 ± 57% perf-profile.calltrace.cycles-pp.terminate_walk.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
0.00 +3.9 3.92 ± 58% perf-profile.calltrace.cycles-pp.lockref_get_not_dead.__legitimize_path.try_to_unlazy.link_path_walk.path_openat
0.00 +4.0 3.95 ± 58% perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy.link_path_walk.path_openat.do_filp_open
0.00 +4.0 3.96 ± 57% perf-profile.calltrace.cycles-pp.try_to_unlazy.link_path_walk.path_openat.do_filp_open.do_sys_openat2
0.00 +4.1 4.12 ± 77% perf-profile.calltrace.cycles-pp.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas.vms_clear_ptes
0.00 +4.1 4.13 ± 77% perf-profile.calltrace.cycles-pp.zap_pmd_range.unmap_page_range.unmap_vmas.vms_clear_ptes.vms_complete_munmap_vmas
0.00 +4.1 4.14 ± 77% perf-profile.calltrace.cycles-pp.unmap_page_range.unmap_vmas.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap
0.00 +4.3 4.32 ± 77% perf-profile.calltrace.cycles-pp.unmap_vmas.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap
0.00 +5.0 4.95 ± 46% perf-profile.calltrace.cycles-pp.__mmap_new_vma.__mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff
0.00 +5.0 5.04 ± 77% perf-profile.calltrace.cycles-pp.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap
0.00 +5.2 5.23 ± 77% perf-profile.calltrace.cycles-pp.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap
0.00 +5.7 5.70 ± 49% perf-profile.calltrace.cycles-pp.__mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64
0.00 +6.2 6.16 ± 77% perf-profile.calltrace.cycles-pp.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64
0.00 +6.2 6.19 ± 77% perf-profile.calltrace.cycles-pp.do_vmi_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.00 +6.2 6.21 ± 77% perf-profile.calltrace.cycles-pp.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap
0.00 +6.2 6.21 ± 77% perf-profile.calltrace.cycles-pp.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap
0.00 +6.5 6.53 ± 47% perf-profile.calltrace.cycles-pp.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.00 +6.6 6.61 ± 48% perf-profile.calltrace.cycles-pp.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe.__mmap
0.00 +6.6 6.64 ± 76% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap
0.00 +6.6 6.65 ± 76% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__munmap
0.00 +6.7 6.66 ± 47% perf-profile.calltrace.cycles-pp.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe.__mmap
0.00 +6.7 6.67 ± 76% perf-profile.calltrace.cycles-pp.__munmap
0.00 +6.7 6.73 ± 47% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__mmap
0.00 +6.7 6.73 ± 47% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__mmap
0.00 +6.9 6.89 ± 47% perf-profile.calltrace.cycles-pp.__mmap
0.00 +9.4 9.42 ± 18% perf-profile.calltrace.cycles-pp.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.__open64_nocancel
0.00 +9.4 9.42 ± 18% perf-profile.calltrace.cycles-pp.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.__open64_nocancel
0.00 +9.5 9.46 ± 18% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__open64_nocancel
0.00 +9.5 9.46 ± 18% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__open64_nocancel
0.00 +9.5 9.49 ± 17% perf-profile.calltrace.cycles-pp.__open64_nocancel
0.00 +10.1 10.12 ± 36% perf-profile.calltrace.cycles-pp.up_read.kernfs_iop_permission.inode_permission.link_path_walk.path_openat
0.00 +12.5 12.52 ± 41% perf-profile.calltrace.cycles-pp.down_read.kernfs_iop_permission.inode_permission.link_path_walk.path_openat
0.00 +12.5 12.52 ± 71% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.dput.step_into.link_path_walk
0.00 +12.6 12.64 ± 71% perf-profile.calltrace.cycles-pp._raw_spin_lock.dput.step_into.link_path_walk.path_openat
0.00 +13.1 13.09 ± 72% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.__d_lookup.lookup_fast.walk_component
0.00 +14.1 14.06 ± 61% perf-profile.calltrace.cycles-pp.dput.step_into.link_path_walk.path_openat.do_filp_open
0.00 +14.3 14.26 ± 64% perf-profile.calltrace.cycles-pp._raw_spin_lock.__d_lookup.lookup_fast.walk_component.link_path_walk
0.00 +14.4 14.41 ± 63% perf-profile.calltrace.cycles-pp.__d_lookup.lookup_fast.walk_component.link_path_walk.path_openat
0.00 +14.8 14.80 ± 61% perf-profile.calltrace.cycles-pp.step_into.link_path_walk.path_openat.do_filp_open.do_sys_openat2
0.00 +18.2 18.21 ± 46% perf-profile.calltrace.cycles-pp.lookup_fast.walk_component.link_path_walk.path_openat.do_filp_open
0.00 +18.3 18.25 ± 46% perf-profile.calltrace.cycles-pp.walk_component.link_path_walk.path_openat.do_filp_open.do_sys_openat2
0.00 +23.8 23.84 ± 38% perf-profile.calltrace.cycles-pp.kernfs_iop_permission.inode_permission.link_path_walk.path_openat.do_filp_open
0.00 +26.6 26.62 ± 38% perf-profile.calltrace.cycles-pp.inode_permission.link_path_walk.path_openat.do_filp_open.do_sys_openat2
2.39 ± 7% +63.7 66.05 ± 15% perf-profile.calltrace.cycles-pp.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
2.39 ± 7% +63.7 66.05 ± 15% perf-profile.calltrace.cycles-pp.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
2.42 ± 7% +63.8 66.23 ± 15% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
2.42 ± 7% +63.8 66.25 ± 15% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.open64
0.10 ±223% +63.9 64.00 ± 19% perf-profile.calltrace.cycles-pp.link_path_walk.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
2.48 ± 7% +64.0 66.44 ± 15% perf-profile.calltrace.cycles-pp.open64
2.30 ± 8% +72.9 75.16 ± 15% perf-profile.calltrace.cycles-pp.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64
2.30 ± 8% +72.9 75.17 ± 15% perf-profile.calltrace.cycles-pp.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe
66.48 ± 5% -64.6 1.84 ± 58% perf-profile.children.cycles-pp.__cmd_record
62.50 ± 6% -61.1 1.42 ± 74% perf-profile.children.cycles-pp.record__finish_output
62.50 ± 6% -61.1 1.42 ± 74% perf-profile.children.cycles-pp.perf_session__process_events
62.34 ± 6% -60.9 1.42 ± 74% perf-profile.children.cycles-pp.reader__read_event
40.48 ± 8% -39.4 1.07 ± 78% perf-profile.children.cycles-pp.process_simple
38.11 ± 8% -37.1 1.01 ± 78% perf-profile.children.cycles-pp.ordered_events__queue
37.76 ± 8% -36.8 1.00 ± 78% perf-profile.children.cycles-pp.queue_event
21.66 ± 8% -21.3 0.37 ± 66% perf-profile.children.cycles-pp.__ordered_events__flush
21.58 ± 8% -21.2 0.37 ± 66% perf-profile.children.cycles-pp.perf_session__process_user_event
21.37 ± 8% -21.0 0.37 ± 68% perf-profile.children.cycles-pp.perf_session__deliver_event
19.36 ± 8% -18.9 0.41 ± 51% perf-profile.children.cycles-pp.handle_internal_command
19.36 ± 8% -18.9 0.41 ± 51% perf-profile.children.cycles-pp.main
19.36 ± 8% -18.9 0.41 ± 51% perf-profile.children.cycles-pp.run_builtin
18.49 ± 8% -18.1 0.39 ± 51% perf-profile.children.cycles-pp.cmd_record
18.32 ± 8% -18.0 0.34 ± 58% perf-profile.children.cycles-pp.perf_c2c__record
14.08 ± 18% -13.3 0.78 ± 56% perf-profile.children.cycles-pp.common_startup_64
14.08 ± 18% -13.3 0.78 ± 56% perf-profile.children.cycles-pp.cpu_startup_entry
14.08 ± 18% -13.3 0.78 ± 56% perf-profile.children.cycles-pp.do_idle
13.13 ± 8% -12.9 0.20 ± 62% perf-profile.children.cycles-pp.machine__process_mmap2_event
11.85 ± 21% -11.2 0.65 ± 58% perf-profile.children.cycles-pp.start_secondary
11.91 ± 17% -11.2 0.75 ± 57% perf-profile.children.cycles-pp.cpuidle_idle_call
11.03 ± 17% -10.3 0.71 ± 57% perf-profile.children.cycles-pp.cpuidle_enter
11.03 ± 16% -10.3 0.71 ± 57% perf-profile.children.cycles-pp.cpuidle_enter_state
9.17 ± 16% -8.5 0.67 ± 58% perf-profile.children.cycles-pp.acpi_idle_enter
9.16 ± 16% -8.5 0.67 ± 59% perf-profile.children.cycles-pp.acpi_idle_do_entry
9.16 ± 16% -8.5 0.67 ± 58% perf-profile.children.cycles-pp.pv_native_safe_halt
9.16 ± 16% -8.5 0.67 ± 59% perf-profile.children.cycles-pp.acpi_safe_halt
6.48 ± 9% -6.3 0.13 ± 86% perf-profile.children.cycles-pp.evlist__parse_sample
6.10 ± 10% -6.0 0.09 ± 59% perf-profile.children.cycles-pp.map__new
5.98 ± 5% -5.6 0.40 ± 53% perf-profile.children.cycles-pp.ret_from_fork_asm
5.97 ± 5% -5.6 0.40 ± 53% perf-profile.children.cycles-pp.ret_from_fork
5.92 ± 5% -5.5 0.40 ± 53% perf-profile.children.cycles-pp.kthread
6.25 ± 19% -5.0 1.29 ± 37% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt
5.05 ± 9% -4.9 0.10 ±105% perf-profile.children.cycles-pp.evlist__event2evsel
3.61 ± 11% -3.6 0.04 ± 83% perf-profile.children.cycles-pp.__dsos__find_by_longname_id
3.54 ± 13% -3.5 0.04 ± 83% perf-profile.children.cycles-pp.maps__fixup_overlap_and_insert
4.53 ± 20% -3.3 1.18 ± 35% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt
3.47 ± 14% -3.3 0.17 ± 50% perf-profile.children.cycles-pp._nohz_idle_balance
3.37 ± 12% -3.1 0.24 ± 45% perf-profile.children.cycles-pp.asm_sysvec_call_function_single
3.33 ± 5% -3.1 0.20 ± 60% perf-profile.children.cycles-pp.worker_thread
3.61 ± 10% -3.0 0.59 ± 55% perf-profile.children.cycles-pp.__irq_exit_rcu
3.70 ± 10% -3.0 0.73 ± 59% perf-profile.children.cycles-pp.handle_softirqs
2.95 ± 10% -2.9 0.04 ± 83% perf-profile.children.cycles-pp.dsos__findnew_id
3.03 ± 7% -2.9 0.13 ± 65% perf-profile.children.cycles-pp.process_one_work
2.89 ± 14% -2.9 0.04 ± 83% perf-profile.children.cycles-pp.__maps__fixup_overlap_and_insert
3.04 ± 10% -2.8 0.22 ± 46% perf-profile.children.cycles-pp.sysvec_call_function_single
2.80 ± 9% -2.7 0.07 ± 93% perf-profile.children.cycles-pp.read
2.86 ± 6% -2.6 0.23 ± 82% perf-profile.children.cycles-pp.write
2.70 ± 11% -2.6 0.07 ± 93% perf-profile.children.cycles-pp.ksys_read
2.79 ± 6% -2.6 0.21 ± 81% perf-profile.children.cycles-pp.ksys_write
2.78 ± 6% -2.6 0.20 ± 80% perf-profile.children.cycles-pp.vfs_write
2.61 ± 11% -2.5 0.07 ± 91% perf-profile.children.cycles-pp.vfs_read
2.60 ± 8% -2.5 0.05 ± 91% perf-profile.children.cycles-pp.asm_exc_page_fault
2.54 ± 11% -2.4 0.17 ± 32% perf-profile.children.cycles-pp.__schedule
2.41 ± 9% -2.4 0.04 ± 86% perf-profile.children.cycles-pp.machine__findnew_thread
2.32 ± 9% -2.3 0.04 ± 90% perf-profile.children.cycles-pp.evsel__parse_sample
2.27 ± 12% -2.2 0.06 ± 93% perf-profile.children.cycles-pp.seq_read_iter
2.24 ± 10% -2.2 0.05 ± 93% perf-profile.children.cycles-pp.exc_page_fault
2.23 ± 10% -2.2 0.05 ± 93% perf-profile.children.cycles-pp.do_user_addr_fault
2.32 ± 8% -2.1 0.20 ± 39% perf-profile.children.cycles-pp.sched_balance_rq
2.23 ± 12% -2.1 0.12 ± 66% perf-profile.children.cycles-pp.rest_init
2.23 ± 12% -2.1 0.12 ± 66% perf-profile.children.cycles-pp.start_kernel
2.23 ± 12% -2.1 0.12 ± 66% perf-profile.children.cycles-pp.x86_64_start_kernel
2.23 ± 12% -2.1 0.12 ± 66% perf-profile.children.cycles-pp.x86_64_start_reservations
2.78 ± 22% -2.1 0.73 ± 28% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt
2.73 ± 23% -2.0 0.72 ± 28% perf-profile.children.cycles-pp.hrtimer_interrupt
2.06 ± 11% -2.0 0.05 ± 90% perf-profile.children.cycles-pp.handle_mm_fault
2.00 ± 11% -2.0 0.04 ± 93% perf-profile.children.cycles-pp.__handle_mm_fault
2.09 ± 9% -1.9 0.17 ± 42% perf-profile.children.cycles-pp.sched_balance_find_src_group
2.06 ± 13% -1.9 0.15 ± 30% perf-profile.children.cycles-pp.schedule
2.07 ± 9% -1.9 0.17 ± 42% perf-profile.children.cycles-pp.update_sd_lb_stats
1.93 ± 10% -1.8 0.16 ± 41% perf-profile.children.cycles-pp.update_sg_lb_stats
1.95 ± 6% -1.7 0.22 ± 84% perf-profile.children.cycles-pp.writen
1.91 ± 6% -1.7 0.19 ± 80% perf-profile.children.cycles-pp.shmem_file_write_iter
1.89 ± 6% -1.7 0.18 ± 78% perf-profile.children.cycles-pp.generic_perform_write
1.80 ± 10% -1.7 0.13 ± 33% perf-profile.children.cycles-pp.__pick_next_task
1.86 ± 6% -1.6 0.22 ± 84% perf-profile.children.cycles-pp.record__pushfn
1.82 ± 14% -1.6 0.17 ± 72% perf-profile.children.cycles-pp.smpboot_thread_fn
1.95 ± 6% -1.6 0.35 ± 99% perf-profile.children.cycles-pp.perf_mmap__push
1.95 ± 6% -1.6 0.36 ±100% perf-profile.children.cycles-pp.record__mmap_read_evlist
1.58 ± 16% -1.5 0.05 ± 93% perf-profile.children.cycles-pp.seq_read
1.59 ± 11% -1.5 0.12 ± 35% perf-profile.children.cycles-pp.sched_balance_newidle
1.87 ± 23% -1.3 0.53 ± 24% perf-profile.children.cycles-pp.__hrtimer_run_queues
1.37 ± 7% -1.2 0.13 ± 79% perf-profile.children.cycles-pp.copy_page_from_iter_atomic
1.69 ± 24% -1.2 0.51 ± 24% perf-profile.children.cycles-pp.tick_nohz_handler
1.17 ± 14% -1.1 0.09 ± 39% perf-profile.children.cycles-pp.vfs_fstatat
1.09 ± 5% -1.0 0.07 ± 91% perf-profile.children.cycles-pp.sched_balance_domains
1.04 ± 21% -1.0 0.05 ± 64% perf-profile.children.cycles-pp.raw_spin_rq_lock_nested
1.00 ± 21% -1.0 0.04 ± 88% perf-profile.children.cycles-pp.idle_cpu
1.03 ± 10% -0.9 0.18 ± 68% perf-profile.children.cycles-pp._raw_spin_lock_irqsave
0.80 ± 12% -0.8 0.05 ± 88% perf-profile.children.cycles-pp.sched_balance_update_blocked_averages
1.10 ± 12% -0.7 0.38 ± 39% perf-profile.children.cycles-pp.__alloc_frozen_pages_noprof
1.01 ± 11% -0.7 0.32 ± 37% perf-profile.children.cycles-pp.get_page_from_freelist
0.99 ± 10% -0.6 0.36 ± 43% perf-profile.children.cycles-pp.alloc_pages_mpol
1.04 ± 30% -0.6 0.45 ± 20% perf-profile.children.cycles-pp.update_process_times
0.72 ± 27% -0.6 0.16 ± 48% perf-profile.children.cycles-pp.ktime_get
0.62 ± 17% -0.5 0.11 ± 27% perf-profile.children.cycles-pp.pick_next_task_fair
0.55 ± 18% -0.5 0.04 ± 53% perf-profile.children.cycles-pp.update_load_avg
0.76 ± 9% -0.5 0.25 ± 40% perf-profile.children.cycles-pp.clear_page_erms
0.62 ± 28% -0.5 0.15 ± 42% perf-profile.children.cycles-pp.clockevents_program_event
0.45 ± 34% -0.2 0.22 ± 20% perf-profile.children.cycles-pp.sched_tick
0.25 ± 25% -0.2 0.04 ± 83% perf-profile.children.cycles-pp.rmqueue
0.28 ± 44% -0.2 0.09 ± 28% perf-profile.children.cycles-pp.tmigr_requires_handle_remote
0.20 ± 36% -0.2 0.04 ± 83% perf-profile.children.cycles-pp.__rmqueue_pcplist
0.24 ± 19% -0.2 0.08 ±106% perf-profile.children.cycles-pp.tracing_buffers_open
0.17 ± 50% -0.1 0.05 ± 90% perf-profile.children.cycles-pp.__memset
0.05 ± 72% +0.1 0.10 ± 11% perf-profile.children.cycles-pp.task_tick_fair
0.00 +0.1 0.06 ± 14% perf-profile.children.cycles-pp.syscall_return_via_sysret
0.00 +0.1 0.08 ± 33% perf-profile.children.cycles-pp.readdir64
0.00 +0.1 0.08 ± 40% perf-profile.children.cycles-pp.mas_ascend
0.00 +0.1 0.10 ± 57% perf-profile.children.cycles-pp.kmem_cache_free_bulk
0.00 +0.1 0.11 ± 41% perf-profile.children.cycles-pp.cp_new_stat
0.00 +0.1 0.11 ± 53% perf-profile.children.cycles-pp.simple_getattr
0.04 ± 73% +0.1 0.16 ± 76% perf-profile.children.cycles-pp.up_write
0.02 ±142% +0.1 0.14 ± 58% perf-profile.children.cycles-pp.path_init
0.00 +0.1 0.13 ± 66% perf-profile.children.cycles-pp.__rb_insert_augmented
0.00 +0.1 0.13 ± 60% perf-profile.children.cycles-pp.nd_jump_root
0.06 ± 74% +0.1 0.19 ± 43% perf-profile.children.cycles-pp.alloc_empty_file
0.00 +0.1 0.13 ± 89% perf-profile.children.cycles-pp.tlb_remove_table_rcu
0.02 ±142% +0.1 0.15 ± 45% perf-profile.children.cycles-pp.vm_area_alloc
0.00 +0.1 0.14 ± 38% perf-profile.children.cycles-pp.filldir64
0.00 +0.1 0.14 ± 54% perf-profile.children.cycles-pp.unmap_region
0.01 ±223% +0.1 0.16 ± 39% perf-profile.children.cycles-pp.mas_find
0.00 +0.1 0.15 ± 67% perf-profile.children.cycles-pp.pfn_modify_allowed
0.02 ±142% +0.1 0.17 ± 95% perf-profile.children.cycles-pp.kernfs_unlink_open_file
0.11 ± 20% +0.2 0.27 ± 42% perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack
0.02 ±144% +0.2 0.19 ± 45% perf-profile.children.cycles-pp.rb_next
0.00 +0.2 0.18 ± 33% perf-profile.children.cycles-pp.vma_migratable
0.02 ±142% +0.2 0.20 ± 32% perf-profile.children.cycles-pp.lockref_get
0.00 +0.2 0.19 ± 55% perf-profile.children.cycles-pp.generic_fillattr
0.13 ± 40% +0.2 0.32 ± 48% perf-profile.children.cycles-pp.alloc_pages_noprof
0.00 +0.2 0.19 ± 33% perf-profile.children.cycles-pp.task_numa_work
0.13 ± 22% +0.2 0.33 ± 41% perf-profile.children.cycles-pp.entry_SYSCALL_64
0.05 ±109% +0.2 0.26 ± 72% perf-profile.children.cycles-pp.mas_wr_bnode
0.00 +0.2 0.21 ± 82% perf-profile.children.cycles-pp.vma_interval_tree_remove
0.03 ±141% +0.2 0.24 ± 83% perf-profile.children.cycles-pp.kernfs_fop_release
0.00 +0.2 0.22 ± 74% perf-profile.children.cycles-pp.tracing_open_file_tr
0.00 +0.2 0.25 ± 76% perf-profile.children.cycles-pp.__kmem_cache_alloc_bulk
0.00 +0.3 0.26 ± 73% perf-profile.children.cycles-pp.kmem_cache_alloc_bulk_noprof
0.06 ± 73% +0.3 0.33 ± 54% perf-profile.children.cycles-pp.mas_preallocate
0.05 ± 79% +0.3 0.35 ± 49% perf-profile.children.cycles-pp.pte_alloc_one
0.00 +0.4 0.36 ± 48% perf-profile.children.cycles-pp.__pte_alloc
0.02 ±142% +0.4 0.43 ± 67% perf-profile.children.cycles-pp.mas_alloc_nodes
0.00 +0.4 0.44 ± 45% perf-profile.children.cycles-pp.mas_rev_awalk
0.27 ± 14% +0.5 0.76 ± 37% perf-profile.children.cycles-pp.syscall_exit_to_user_mode
0.01 ±223% +0.5 0.50 ± 52% perf-profile.children.cycles-pp.generic_permission
0.07 ± 47% +0.5 0.59 ± 34% perf-profile.children.cycles-pp.task_work_run
0.00 +0.6 0.56 ± 84% perf-profile.children.cycles-pp.vm_normal_page
0.00 +0.6 0.57 ± 44% perf-profile.children.cycles-pp.mas_empty_area_rev
0.14 ± 25% +0.6 0.74 ± 66% perf-profile.children.cycles-pp.kernfs_fop_open
0.00 +0.6 0.62 ± 78% perf-profile.children.cycles-pp.mas_store_gfp
0.02 ±142% +0.7 0.67 ± 92% perf-profile.children.cycles-pp.scan_positives
0.01 ±223% +0.7 0.66 ± 44% perf-profile.children.cycles-pp.unmapped_area_topdown
0.01 ±223% +0.7 0.67 ± 44% perf-profile.children.cycles-pp.vm_unmapped_area
0.07 ± 73% +0.7 0.73 ± 74% perf-profile.children.cycles-pp.free_pgtables
0.00 +0.7 0.67 ±120% perf-profile.children.cycles-pp.__traverse_mounts
0.01 ±223% +0.7 0.69 ± 76% perf-profile.children.cycles-pp.unlink_file_vma_batch_process
0.00 +0.7 0.69 ± 53% perf-profile.children.cycles-pp.set_nlink
0.01 ±223% +0.7 0.73 ± 43% perf-profile.children.cycles-pp.arch_get_unmapped_area_topdown
0.02 ±141% +0.7 0.75 ± 43% perf-profile.children.cycles-pp.__get_unmapped_area
0.06 ± 77% +0.8 0.82 ± 83% perf-profile.children.cycles-pp.dcache_readdir
1.20 ± 11% +0.8 2.01 ± 41% perf-profile.children.cycles-pp.do_dentry_open
0.00 +0.8 0.83 ± 50% perf-profile.children.cycles-pp.kernfs_fop_readdir
1.20 ± 11% +0.9 2.07 ± 42% perf-profile.children.cycles-pp.vfs_open
0.00 +1.0 1.02 ± 60% perf-profile.children.cycles-pp.remap_pfn_range_internal
0.00 +1.0 1.04 ± 60% perf-profile.children.cycles-pp.remap_pfn_range
0.00 +1.0 1.05 ± 60% perf-profile.children.cycles-pp.kernfs_fop_mmap
0.47 ± 8% +1.1 1.60 ± 46% perf-profile.children.cycles-pp.open_last_lookups
0.16 ± 65% +1.5 1.66 ± 51% perf-profile.children.cycles-pp.vma_interval_tree_insert
0.10 ± 36% +1.8 1.90 ± 53% perf-profile.children.cycles-pp.iterate_dir
0.10 ± 36% +1.8 1.92 ± 53% perf-profile.children.cycles-pp.__x64_sys_getdents64
0.10 ± 35% +1.9 1.99 ± 52% perf-profile.children.cycles-pp.getdents64
1.24 ± 12% +2.1 3.35 ± 35% perf-profile.children.cycles-pp.__do_sys_newfstatat
1.30 ± 12% +2.3 3.62 ± 35% perf-profile.children.cycles-pp.fstatat64
0.08 ± 51% +2.5 2.54 ± 42% perf-profile.children.cycles-pp.lockref_put_return
0.21 ± 26% +2.8 3.03 ± 40% perf-profile.children.cycles-pp.may_open
0.00 +2.9 2.86 ± 37% perf-profile.children.cycles-pp.kernfs_iop_getattr
0.05 ± 50% +3.0 3.10 ± 36% perf-profile.children.cycles-pp.vfs_getattr_nosec
0.17 ± 40% +3.1 3.28 ± 76% perf-profile.children.cycles-pp.zap_present_ptes
0.02 ±142% +3.1 3.14 ± 36% perf-profile.children.cycles-pp.vfs_fstat
1.45 ± 7% +3.7 5.20 ± 39% perf-profile.children.cycles-pp.do_open
0.23 ± 39% +3.9 4.17 ± 77% perf-profile.children.cycles-pp.zap_pte_range
0.23 ± 40% +3.9 4.18 ± 77% perf-profile.children.cycles-pp.zap_pmd_range
0.24 ± 39% +4.0 4.21 ± 76% perf-profile.children.cycles-pp.unmap_page_range
0.07 ± 61% +4.0 4.03 ± 53% perf-profile.children.cycles-pp.terminate_walk
0.10 ± 59% +4.0 4.15 ± 51% perf-profile.children.cycles-pp.try_to_unlazy
0.24 ± 30% +4.1 4.32 ± 36% perf-profile.children.cycles-pp.kernfs_dop_revalidate
0.07 ± 85% +4.1 4.19 ± 51% perf-profile.children.cycles-pp.lockref_get_not_dead
0.10 ± 66% +4.1 4.21 ± 50% perf-profile.children.cycles-pp.__legitimize_path
0.26 ± 36% +4.2 4.41 ± 76% perf-profile.children.cycles-pp.unmap_vmas
0.24 ± 25% +4.7 4.96 ± 46% perf-profile.children.cycles-pp.__mmap_new_vma
0.06 ± 84% +5.0 5.04 ± 77% perf-profile.children.cycles-pp.vms_clear_ptes
0.56 ± 19% +5.2 5.71 ± 49% perf-profile.children.cycles-pp.__mmap_region
0.04 ±110% +5.2 5.23 ± 77% perf-profile.children.cycles-pp.vms_complete_munmap_vmas
0.60 ± 18% +5.9 6.54 ± 47% perf-profile.children.cycles-pp.do_mmap
0.61 ± 19% +6.0 6.62 ± 47% perf-profile.children.cycles-pp.vm_mmap_pgoff
0.08 ± 67% +6.1 6.18 ± 77% perf-profile.children.cycles-pp.do_vmi_align_munmap
0.09 ± 52% +6.1 6.19 ± 77% perf-profile.children.cycles-pp.do_vmi_munmap
0.08 ± 68% +6.1 6.21 ± 77% perf-profile.children.cycles-pp.__vm_munmap
0.04 ±141% +6.2 6.21 ± 77% perf-profile.children.cycles-pp.__x64_sys_munmap
0.46 ± 22% +6.2 6.66 ± 47% perf-profile.children.cycles-pp.ksys_mmap_pgoff
0.04 ±151% +6.6 6.68 ± 76% perf-profile.children.cycles-pp.__munmap
0.21 ± 16% +6.7 6.92 ± 47% perf-profile.children.cycles-pp.__mmap
0.22 ± 21% +9.3 9.50 ± 17% perf-profile.children.cycles-pp.__open64_nocancel
0.09 ± 29% +12.1 12.17 ± 32% perf-profile.children.cycles-pp.up_read
0.46 ± 16% +14.6 15.04 ± 60% perf-profile.children.cycles-pp.step_into
0.41 ± 9% +14.6 15.03 ± 59% perf-profile.children.cycles-pp.__d_lookup
0.88 ± 15% +17.4 18.28 ± 46% perf-profile.children.cycles-pp.walk_component
1.19 ± 11% +18.5 19.67 ± 40% perf-profile.children.cycles-pp.lookup_fast
0.19 ± 21% +18.8 18.96 ± 58% perf-profile.children.cycles-pp.dput
0.08 ± 85% +20.2 20.29 ± 38% perf-profile.children.cycles-pp.down_read
0.12 ± 30% +26.5 26.60 ± 38% perf-profile.children.cycles-pp.kernfs_iop_permission
0.35 ± 28% +29.1 29.46 ± 38% perf-profile.children.cycles-pp.inode_permission
0.46 ± 18% +32.9 33.37 ± 70% perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath
1.51 ± 19% +33.5 35.02 ± 65% perf-profile.children.cycles-pp._raw_spin_lock
1.12 ± 13% +62.9 64.03 ± 19% perf-profile.children.cycles-pp.link_path_walk
2.48 ± 7% +64.0 66.47 ± 15% perf-profile.children.cycles-pp.open64
2.63 ± 7% +72.6 75.19 ± 15% perf-profile.children.cycles-pp.path_openat
2.63 ± 7% +72.6 75.20 ± 15% perf-profile.children.cycles-pp.do_filp_open
2.76 ± 7% +72.7 75.50 ± 15% perf-profile.children.cycles-pp.do_sys_openat2
2.76 ± 7% +72.7 75.51 ± 15% perf-profile.children.cycles-pp.__x64_sys_openat
14.50 ± 6% +81.5 95.98 ± 2% perf-profile.children.cycles-pp.do_syscall_64
14.51 ± 6% +81.5 96.03 ± 2% perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
37.26 ± 8% -36.3 0.99 ± 78% perf-profile.self.cycles-pp.queue_event
4.85 ± 9% -4.8 0.10 ±104% perf-profile.self.cycles-pp.evlist__event2evsel
3.19 ± 10% -3.2 0.04 ± 83% perf-profile.self.cycles-pp.__dsos__find_by_longname_id
2.80 ± 13% -2.8 0.04 ± 83% perf-profile.self.cycles-pp.__maps__fixup_overlap_and_insert
2.29 ± 9% -2.2 0.04 ± 90% perf-profile.self.cycles-pp.evsel__parse_sample
1.98 ± 20% -1.9 0.09 ±108% perf-profile.self.cycles-pp.pv_native_safe_halt
1.39 ± 9% -1.3 0.13 ± 43% perf-profile.self.cycles-pp.update_sg_lb_stats
1.32 ± 6% -1.2 0.13 ± 81% perf-profile.self.cycles-pp.copy_page_from_iter_atomic
0.99 ± 22% -1.0 0.04 ± 88% perf-profile.self.cycles-pp.idle_cpu
0.74 ± 10% -0.5 0.24 ± 40% perf-profile.self.cycles-pp.clear_page_erms
0.61 ± 27% -0.5 0.15 ± 45% perf-profile.self.cycles-pp.ktime_get
0.15 ± 52% -0.1 0.05 ± 90% perf-profile.self.cycles-pp.__memset
0.00 +0.1 0.06 ± 14% perf-profile.self.cycles-pp.syscall_return_via_sysret
0.00 +0.1 0.07 ± 37% perf-profile.self.cycles-pp.readdir64
0.00 +0.1 0.08 ± 42% perf-profile.self.cycles-pp.step_into
0.00 +0.1 0.08 ± 41% perf-profile.self.cycles-pp.mas_ascend
0.00 +0.1 0.10 ± 46% perf-profile.self.cycles-pp.__mmap_region
0.00 +0.1 0.10 ± 38% perf-profile.self.cycles-pp.filldir64
0.00 +0.1 0.13 ± 68% perf-profile.self.cycles-pp.__rb_insert_augmented
0.00 +0.1 0.14 ± 68% perf-profile.self.cycles-pp.pfn_modify_allowed
0.11 ± 20% +0.2 0.27 ± 41% perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack
0.02 ±142% +0.2 0.18 ± 33% perf-profile.self.cycles-pp.lockref_get
0.02 ±144% +0.2 0.19 ± 44% perf-profile.self.cycles-pp.rb_next
0.00 +0.2 0.17 ± 34% perf-profile.self.cycles-pp.vma_migratable
0.00 +0.2 0.18 ± 53% perf-profile.self.cycles-pp.generic_fillattr
0.00 +0.2 0.19 ± 74% perf-profile.self.cycles-pp.__kmem_cache_alloc_bulk
0.00 +0.2 0.20 ± 81% perf-profile.self.cycles-pp.vma_interval_tree_remove
0.00 +0.2 0.23 ± 53% perf-profile.self.cycles-pp.kernfs_fop_readdir
0.02 ±142% +0.2 0.27 ± 59% perf-profile.self.cycles-pp.__fput
0.06 ± 75% +0.3 0.32 ± 38% perf-profile.self.cycles-pp.do_dentry_open
0.00 +0.4 0.38 ± 45% perf-profile.self.cycles-pp.mas_rev_awalk
0.01 ±223% +0.5 0.49 ± 51% perf-profile.self.cycles-pp.generic_permission
0.00 +0.5 0.52 ± 66% perf-profile.self.cycles-pp.remap_pfn_range_internal
0.00 +0.5 0.52 ± 83% perf-profile.self.cycles-pp.vm_normal_page
0.00 +0.7 0.69 ± 52% perf-profile.self.cycles-pp.set_nlink
0.02 ±142% +0.8 0.82 ± 84% perf-profile.self.cycles-pp.zap_pte_range
0.07 ± 86% +1.0 1.07 ± 31% perf-profile.self.cycles-pp.lockref_get_not_dead
0.16 ± 65% +1.5 1.61 ± 51% perf-profile.self.cycles-pp.vma_interval_tree_insert
0.08 ± 50% +2.4 2.51 ± 42% perf-profile.self.cycles-pp.lockref_put_return
0.18 ± 21% +2.5 2.70 ± 57% perf-profile.self.cycles-pp.inode_permission
0.07 ± 74% +2.5 2.61 ± 73% perf-profile.self.cycles-pp.zap_present_ptes
0.08 ± 27% +12.0 12.10 ± 32% perf-profile.self.cycles-pp.up_read
0.08 ± 88% +19.8 19.91 ± 39% perf-profile.self.cycles-pp.down_read
0.46 ± 18% +32.7 33.19 ± 70% perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath
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.
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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