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Message-ID: <20201117070910.GB8169@xsang-OptiPlex-9020>
Date: Tue, 17 Nov 2020 15:09:10 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Amir Goldstein <amir73il@...il.com>
Cc: Jan Kara <jack@...e.cz>, linux-fsdevel@...r.kernel.org,
Mark Fasheh <mfasheh@...e.de>, 0day robot <lkp@...el.com>,
LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org,
ying.huang@...el.com, feng.tang@...el.com, zhengjun.xing@...el.com
Subject: [fanotify] a23a7dc576: unixbench.score -3.7% regression
Greeting,
FYI, we noticed a -3.7% regression of unixbench.score due to commit:
commit: a23a7dc57615679ee21ac350c36bde4f863ab249 ("[RFC][PATCH] fanotify: introduce filesystem view mark")
url: https://github.com/0day-ci/linux/commits/Amir-Goldstein/fanotify-introduce-filesystem-view-mark/20201110-020535
base: https://git.kernel.org/cgit/linux/kernel/git/jack/linux-fs.git fsnotify
in testcase: unixbench
on test machine: 96 threads Intel(R) Xeon(R) CPU @ 2.30GHz with 128G memory
with following parameters:
runtime: 300s
nr_task: 30%
test: pipe
cpufreq_governor: performance
ucode: 0x4002f01
test-description: UnixBench is the original BYTE UNIX benchmark suite aims to test performance of Unix-like system.
test-url: https://github.com/kdlucas/byte-unixbench
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang@...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/kconfig/nr_task/rootfs/runtime/tbox_group/test/testcase/ucode:
gcc-9/performance/x86_64-rhel-8.3/30%/debian-10.4-x86_64-20200603.cgz/300s/lkp-csl-2sp4/pipe/unixbench/0x4002f01
commit:
9289012374 ("inotify: Increase default inotify.max_user_watches limit to 1048576")
a23a7dc576 ("fanotify: introduce filesystem view mark")
92890123749bafc3 a23a7dc57615679ee21ac350c36
---------------- ---------------------------
%stddev %change %stddev
\ | \
41413 -3.7% 39864 unixbench.score
943.86 -2.2% 922.97 unixbench.time.user_time
2.01e+10 -3.7% 1.937e+10 unixbench.workload
24527 ± 14% +19.8% 29395 ± 2% numa-meminfo.node1.Shmem
6126 ± 14% +19.9% 7344 ± 2% numa-vmstat.node1.nr_shmem
1621 ± 2% -3.0% 1572 vmstat.system.cs
924.00 ± 5% -12.2% 811.50 ± 9% slabinfo.buffer_head.active_objs
924.00 ± 5% -12.2% 811.50 ± 9% slabinfo.buffer_head.num_objs
0.00 ± 4% +53.7% 0.00 ± 24% sched_debug.cpu.next_balance.stddev
34803 ± 29% -47.8% 18172 ± 18% sched_debug.cpu.nr_switches.max
4463 ± 18% -30.2% 3116 ± 8% sched_debug.cpu.nr_switches.stddev
31716 ± 33% -52.0% 15219 ± 26% sched_debug.cpu.sched_count.max
3928 ± 25% -37.1% 2471 ± 14% sched_debug.cpu.sched_count.stddev
15722 ± 33% -52.5% 7466 ± 27% sched_debug.cpu.sched_goidle.max
1968 ± 25% -37.3% 1235 ± 14% sched_debug.cpu.sched_goidle.stddev
8399 ± 76% -57.9% 3532 ± 43% sched_debug.cpu.ttwu_local.max
16361 ± 16% -19.6% 13155 ± 6% softirqs.CPU14.RCU
16928 ± 13% -14.9% 14408 ± 4% softirqs.CPU16.RCU
17013 ± 13% -16.1% 14273 ± 5% softirqs.CPU17.RCU
16952 ± 12% -15.8% 14278 ± 5% softirqs.CPU18.RCU
16941 ± 12% -17.1% 14038 ± 5% softirqs.CPU19.RCU
17005 ± 12% -16.3% 14239 ± 4% softirqs.CPU20.RCU
17035 ± 12% -21.7% 13337 ± 9% softirqs.CPU21.RCU
17190 ± 11% -17.3% 14219 ± 4% softirqs.CPU23.RCU
16941 ± 11% -24.8% 12739 ± 5% softirqs.CPU48.RCU
39459 ± 4% -12.2% 34647 ± 4% softirqs.CPU55.SCHED
38878 ± 10% -11.7% 34325 ± 3% softirqs.CPU56.SCHED
38813 ± 5% -10.7% 34663 ± 2% softirqs.CPU57.SCHED
43268 ± 6% -13.9% 37250 ± 9% softirqs.CPU67.SCHED
42397 ± 8% -14.7% 36159 ± 2% softirqs.CPU68.SCHED
17926 ± 12% -14.9% 15255 ± 3% softirqs.CPU69.RCU
0.50 ±173% +9750.0% 49.25 ±140% interrupts.75:PCI-MSI.31981608-edge.i40e-eth0-TxRx-39
9.50 ±107% +1397.4% 142.25 ± 83% interrupts.CPU1.TLB:TLB_shootdowns
2302 ± 71% +83.9% 4233 ± 37% interrupts.CPU2.NMI:Non-maskable_interrupts
2302 ± 71% +83.9% 4233 ± 37% interrupts.CPU2.PMI:Performance_monitoring_interrupts
2775 ± 48% +53.6% 4263 ± 37% interrupts.CPU3.NMI:Non-maskable_interrupts
2775 ± 48% +53.6% 4263 ± 37% interrupts.CPU3.PMI:Performance_monitoring_interrupts
27.75 ± 79% +847.7% 263.00 ± 30% interrupts.CPU30.TLB:TLB_shootdowns
0.50 ±173% +9550.0% 48.25 ±143% interrupts.CPU39.75:PCI-MSI.31981608-edge.i40e-eth0-TxRx-39
106.25 ± 96% -96.0% 4.25 ± 10% interrupts.CPU42.TLB:TLB_shootdowns
1979 ± 26% +72.2% 3408 ± 24% interrupts.CPU48.NMI:Non-maskable_interrupts
1979 ± 26% +72.2% 3408 ± 24% interrupts.CPU48.PMI:Performance_monitoring_interrupts
1730 ± 50% +106.7% 3577 ± 25% interrupts.CPU50.NMI:Non-maskable_interrupts
1730 ± 50% +106.7% 3577 ± 25% interrupts.CPU50.PMI:Performance_monitoring_interrupts
42.25 ± 49% +221.3% 135.75 ± 53% interrupts.CPU56.RES:Rescheduling_interrupts
2.00 ± 50% +2750.0% 57.00 ±142% interrupts.CPU57.TLB:TLB_shootdowns
451.00 ± 5% +78.8% 806.50 ± 22% interrupts.CPU58.CAL:Function_call_interrupts
59.75 ± 33% +92.5% 115.00 ± 55% interrupts.CPU58.RES:Rescheduling_interrupts
2.00 ± 50% +3287.5% 67.75 ±162% interrupts.CPU58.TLB:TLB_shootdowns
3245 ± 53% +73.9% 5642 ± 7% interrupts.CPU6.NMI:Non-maskable_interrupts
3245 ± 53% +73.9% 5642 ± 7% interrupts.CPU6.PMI:Performance_monitoring_interrupts
130.00 ± 31% -56.9% 56.00 ± 23% interrupts.CPU61.RES:Rescheduling_interrupts
3.25 ± 33% +3930.8% 131.00 ±166% interrupts.CPU74.TLB:TLB_shootdowns
2751 ± 25% -61.9% 1049 ±116% interrupts.CPU78.NMI:Non-maskable_interrupts
2751 ± 25% -61.9% 1049 ±116% interrupts.CPU78.PMI:Performance_monitoring_interrupts
595.75 ± 28% +59.8% 951.75 ± 45% interrupts.CPU88.CAL:Function_call_interrupts
3193 ± 31% +75.1% 5590 ± 10% interrupts.CPU9.NMI:Non-maskable_interrupts
3193 ± 31% +75.1% 5590 ± 10% interrupts.CPU9.PMI:Performance_monitoring_interrupts
2.03 ± 9% -21.7% 1.59 ± 10% perf-stat.i.MPKI
2.045e+10 -3.8% 1.968e+10 perf-stat.i.branch-instructions
1.765e+08 -4.1% 1.693e+08 perf-stat.i.branch-misses
15.34 ± 2% -2.3 13.00 ± 5% perf-stat.i.cache-miss-rate%
1361616 ± 5% -30.6% 945163 ± 11% perf-stat.i.cache-misses
8752341 ± 2% -20.0% 7004871 ± 6% perf-stat.i.cache-references
1592 ± 2% -3.0% 1545 perf-stat.i.context-switches
61359 ± 4% +51.4% 92911 ± 9% perf-stat.i.cycles-between-cache-misses
83930 ± 7% -18.4% 68483 ± 9% perf-stat.i.dTLB-load-misses
3.066e+10 -3.4% 2.962e+10 perf-stat.i.dTLB-loads
0.00 ± 2% +0.0 0.00 ± 6% perf-stat.i.dTLB-store-miss-rate%
1.924e+10 -6.7% 1.795e+10 perf-stat.i.dTLB-stores
1.756e+08 -4.4% 1.679e+08 perf-stat.i.iTLB-load-misses
1.019e+11 -4.0% 9.778e+10 perf-stat.i.instructions
1.28 -3.4% 1.24 perf-stat.i.ipc
1.21 +11.7% 1.36 ± 6% perf-stat.i.metric.K/sec
732.97 -4.4% 700.60 perf-stat.i.metric.M/sec
86.90 -1.0 85.92 perf-stat.i.node-load-miss-rate%
166355 -26.0% 123022 ± 4% perf-stat.i.node-load-misses
28716 ± 5% -13.8% 24766 ± 6% perf-stat.i.node-loads
0.09 ± 2% -16.6% 0.07 ± 6% perf-stat.overall.MPKI
15.54 ± 2% -2.1 13.44 ± 5% perf-stat.overall.cache-miss-rate%
0.67 +3.7% 0.70 perf-stat.overall.cpi
50659 ± 5% +44.8% 73365 ± 10% perf-stat.overall.cycles-between-cache-misses
0.00 +0.0 0.00 perf-stat.overall.dTLB-store-miss-rate%
1.48 -3.6% 1.43 perf-stat.overall.ipc
85.27 -2.0 83.24 perf-stat.overall.node-load-miss-rate%
2.044e+10 -3.8% 1.967e+10 perf-stat.ps.branch-instructions
1.763e+08 -4.0% 1.692e+08 perf-stat.ps.branch-misses
1357072 ± 5% -30.6% 941556 ± 11% perf-stat.ps.cache-misses
8725659 ± 2% -20.0% 6983651 ± 6% perf-stat.ps.cache-references
1588 ± 2% -3.0% 1541 perf-stat.ps.context-switches
83826 ± 7% -18.4% 68430 ± 9% perf-stat.ps.dTLB-load-misses
3.063e+10 -3.3% 2.961e+10 perf-stat.ps.dTLB-loads
1.923e+10 -6.7% 1.794e+10 perf-stat.ps.dTLB-stores
1.755e+08 -4.4% 1.678e+08 perf-stat.ps.iTLB-load-misses
1.018e+11 -4.0% 9.774e+10 perf-stat.ps.instructions
165887 -26.1% 122672 ± 4% perf-stat.ps.node-load-misses
28657 ± 5% -13.8% 24710 ± 6% perf-stat.ps.node-loads
3.99e+13 -3.9% 3.834e+13 perf-stat.total.instructions
46.88 ± 8% -6.7 40.22 ± 6% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe
43.90 ± 8% -6.0 37.91 ± 6% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe
21.23 ± 8% -3.9 17.29 ± 4% perf-profile.calltrace.cycles-pp.new_sync_write.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
19.96 ± 9% -3.7 16.22 ± 4% perf-profile.calltrace.cycles-pp.pipe_write.new_sync_write.vfs_write.ksys_write.do_syscall_64
22.16 ± 8% -3.2 18.94 ± 6% perf-profile.calltrace.cycles-pp.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
17.24 ± 8% -3.2 14.06 ± 5% perf-profile.calltrace.cycles-pp.new_sync_read.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
20.52 ± 8% -2.9 17.57 ± 7% perf-profile.calltrace.cycles-pp.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
15.90 ± 8% -2.9 12.97 ± 5% perf-profile.calltrace.cycles-pp.pipe_read.new_sync_read.vfs_read.ksys_read.do_syscall_64
19.78 ± 8% -2.5 17.32 ± 6% perf-profile.calltrace.cycles-pp.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
18.21 ± 8% -2.2 16.05 ± 6% perf-profile.calltrace.cycles-pp.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
7.55 ± 10% -1.4 6.11 ± 4% perf-profile.calltrace.cycles-pp.write
6.60 ± 9% -1.3 5.35 ± 5% perf-profile.calltrace.cycles-pp.copy_page_from_iter.pipe_write.new_sync_write.vfs_write.ksys_write
7.02 ± 9% -1.2 5.80 ± 4% perf-profile.calltrace.cycles-pp.read
6.54 ± 8% -1.2 5.33 ± 4% perf-profile.calltrace.cycles-pp.copy_page_to_iter.pipe_read.new_sync_read.vfs_read.ksys_read
6.21 ± 10% -1.2 5.04 ± 4% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.write
5.84 ± 10% -1.1 4.76 ± 3% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
5.61 ± 10% -1.0 4.58 ± 4% perf-profile.calltrace.cycles-pp.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
5.69 ± 9% -0.9 4.75 ± 4% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.read
5.34 ± 9% -0.9 4.47 ± 4% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.read
5.10 ± 9% -0.8 4.29 ± 4% perf-profile.calltrace.cycles-pp.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe.read
4.14 ± 8% -0.7 3.40 ± 4% perf-profile.calltrace.cycles-pp.copyout.copy_page_to_iter.pipe_read.new_sync_read.vfs_read
3.98 ± 9% -0.7 3.26 ± 6% perf-profile.calltrace.cycles-pp.copyin.copy_page_from_iter.pipe_write.new_sync_write.vfs_write
3.60 ± 8% -0.6 2.95 ± 4% perf-profile.calltrace.cycles-pp.copy_user_enhanced_fast_string.copyout.copy_page_to_iter.pipe_read.new_sync_read
3.48 ± 9% -0.6 2.87 ± 6% perf-profile.calltrace.cycles-pp.copy_user_enhanced_fast_string.copyin.copy_page_from_iter.pipe_write.new_sync_write
3.51 ± 8% -0.6 2.90 ± 5% perf-profile.calltrace.cycles-pp.__wake_up_common_lock.pipe_write.new_sync_write.vfs_write.ksys_write
2.33 ± 9% -0.4 1.93 ± 5% perf-profile.calltrace.cycles-pp.__entry_text_start
1.45 ± 6% -0.4 1.07 ± 3% perf-profile.calltrace.cycles-pp.syscall_exit_to_user_mode.entry_SYSCALL_64_after_hwframe
1.71 ± 7% -0.3 1.38 ± 7% perf-profile.calltrace.cycles-pp.mutex_lock.pipe_read.new_sync_read.vfs_read.ksys_read
1.64 ± 8% -0.3 1.34 ± 6% perf-profile.calltrace.cycles-pp.mutex_lock.pipe_write.new_sync_write.vfs_write.ksys_write
1.11 ± 9% -0.2 0.89 ± 6% perf-profile.calltrace.cycles-pp.__fdget_pos.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.98 ± 10% -0.2 0.78 ± 5% perf-profile.calltrace.cycles-pp.__fget_light.__fdget_pos.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.13 ± 7% -0.2 0.94 ± 5% perf-profile.calltrace.cycles-pp.__fdget_pos.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.89 ± 7% -0.2 0.71 ± 8% perf-profile.calltrace.cycles-pp._raw_spin_unlock_irqrestore.__wake_up_common_lock.pipe_write.new_sync_write.vfs_write
1.22 ± 7% -0.2 1.05 ± 5% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.__wake_up_common_lock.pipe_write.new_sync_write.vfs_write
1.20 ± 8% -0.2 1.02 ± 8% perf-profile.calltrace.cycles-pp.touch_atime.pipe_read.new_sync_read.vfs_read.ksys_read
1.42 ± 7% -0.2 1.24 ± 6% perf-profile.calltrace.cycles-pp.syscall_return_via_sysret
0.93 ± 7% -0.2 0.76 ± 11% perf-profile.calltrace.cycles-pp.anon_pipe_buf_release.pipe_read.new_sync_read.vfs_read.ksys_read
0.75 ± 8% -0.2 0.58 ± 7% perf-profile.calltrace.cycles-pp.mutex_unlock.pipe_read.new_sync_read.vfs_read.ksys_read
0.99 ± 8% -0.2 0.82 ± 7% perf-profile.calltrace.cycles-pp.__fget_light.__fdget_pos.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.35 ± 7% -0.2 1.18 ± 8% perf-profile.calltrace.cycles-pp.syscall_enter_from_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.90 ± 9% -0.2 0.74 ± 5% perf-profile.calltrace.cycles-pp._raw_spin_lock_irq.pipe_read.new_sync_read.vfs_read.ksys_read
0.73 ± 9% -0.1 0.58 ± 7% perf-profile.calltrace.cycles-pp.mutex_unlock.pipe_write.new_sync_write.vfs_write.ksys_write
0.82 ± 6% -0.1 0.68 ± 6% perf-profile.calltrace.cycles-pp._raw_spin_lock_irq.pipe_write.new_sync_write.vfs_write.ksys_write
0.97 ± 8% -0.1 0.83 ± 7% perf-profile.calltrace.cycles-pp.atime_needs_update.touch_atime.pipe_read.new_sync_read.vfs_read
0.71 ± 8% -0.1 0.57 ± 7% perf-profile.calltrace.cycles-pp.__sb_end_write.pipe_write.new_sync_write.vfs_write.ksys_write
0.64 ± 10% -0.1 0.54 ± 8% perf-profile.calltrace.cycles-pp.current_time.atime_needs_update.touch_atime.pipe_read.new_sync_read
0.68 ± 7% -0.1 0.59 ± 5% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_safe_stack
0.85 ± 7% +0.3 1.12 ± 5% perf-profile.calltrace.cycles-pp.fsnotify.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.76 ± 6% +0.4 1.17 ± 11% perf-profile.calltrace.cycles-pp.fsnotify.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.60 ± 7% +0.4 1.04 ± 7% perf-profile.calltrace.cycles-pp.fsnotify.security_file_permission.vfs_read.ksys_read.do_syscall_64
30.90 ± 18% +10.5 41.43 ± 6% perf-profile.calltrace.cycles-pp.secondary_startup_64_no_verify
30.70 ± 18% +10.6 41.30 ± 7% perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify
30.70 ± 18% +10.6 41.30 ± 7% perf-profile.calltrace.cycles-pp.start_secondary.secondary_startup_64_no_verify
30.70 ± 18% +10.6 41.30 ± 7% perf-profile.calltrace.cycles-pp.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify
30.16 ± 19% +10.8 40.99 ± 7% perf-profile.calltrace.cycles-pp.cpuidle_enter.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify
30.02 ± 19% +10.9 40.91 ± 7% perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.do_idle.cpu_startup_entry.start_secondary
29.11 ± 20% +11.0 40.09 ± 7% perf-profile.calltrace.cycles-pp.intel_idle.cpuidle_enter_state.cpuidle_enter.do_idle.cpu_startup_entry
58.91 ± 8% -8.8 50.13 ± 5% perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
55.24 ± 8% -8.0 47.28 ± 5% perf-profile.children.cycles-pp.do_syscall_64
27.80 ± 8% -4.3 23.52 ± 5% perf-profile.children.cycles-pp.ksys_write
21.30 ± 8% -4.0 17.35 ± 4% perf-profile.children.cycles-pp.new_sync_write
25.84 ± 8% -3.9 21.94 ± 5% perf-profile.children.cycles-pp.vfs_write
20.19 ± 9% -3.8 16.39 ± 4% perf-profile.children.cycles-pp.pipe_write
24.93 ± 8% -3.3 21.64 ± 4% perf-profile.children.cycles-pp.ksys_read
17.32 ± 8% -3.2 14.13 ± 5% perf-profile.children.cycles-pp.new_sync_read
16.12 ± 8% -3.0 13.15 ± 5% perf-profile.children.cycles-pp.pipe_read
23.04 ± 8% -2.9 20.12 ± 4% perf-profile.children.cycles-pp.vfs_read
7.90 ± 10% -1.5 6.38 ± 4% perf-profile.children.cycles-pp.write
7.71 ± 8% -1.4 6.33 ± 5% perf-profile.children.cycles-pp.copy_user_enhanced_fast_string
6.73 ± 9% -1.3 5.42 ± 5% perf-profile.children.cycles-pp.copy_page_from_iter
7.38 ± 9% -1.3 6.08 ± 4% perf-profile.children.cycles-pp.read
6.71 ± 8% -1.2 5.47 ± 5% perf-profile.children.cycles-pp.copy_page_to_iter
5.39 ± 8% -0.9 4.53 ± 5% perf-profile.children.cycles-pp.syscall_return_via_sysret
4.36 ± 8% -0.9 3.50 ± 4% perf-profile.children.cycles-pp.mutex_lock
4.18 ± 8% -0.7 3.43 ± 4% perf-profile.children.cycles-pp.copyout
4.03 ± 9% -0.7 3.30 ± 6% perf-profile.children.cycles-pp.copyin
3.58 ± 9% -0.7 2.88 ± 2% perf-profile.children.cycles-pp.__entry_text_start
3.58 ± 9% -0.6 2.95 ± 5% perf-profile.children.cycles-pp.__wake_up_common_lock
2.96 ± 8% -0.6 2.41 ± 4% perf-profile.children.cycles-pp.__fdget_pos
2.00 ± 7% -0.5 1.49 ± 2% perf-profile.children.cycles-pp.syscall_exit_to_user_mode
3.59 ± 7% -0.5 3.10 ± 7% perf-profile.children.cycles-pp.common_file_perm
2.44 ± 8% -0.5 1.96 ± 5% perf-profile.children.cycles-pp.__fget_light
1.92 ± 8% -0.4 1.50 ± 5% perf-profile.children.cycles-pp.mutex_unlock
1.95 ± 9% -0.4 1.56 ± 5% perf-profile.children.cycles-pp.___might_sleep
2.21 ± 8% -0.4 1.82 ± 4% perf-profile.children.cycles-pp._raw_spin_lock_irq
1.76 ± 9% -0.4 1.39 ± 3% perf-profile.children.cycles-pp.__might_sleep
1.22 ± 9% -0.3 0.96 ± 3% perf-profile.children.cycles-pp.__might_fault
0.51 ± 21% -0.2 0.27 ± 17% perf-profile.children.cycles-pp.menu_select
1.75 ± 7% -0.2 1.51 ± 6% perf-profile.children.cycles-pp.syscall_enter_from_user_mode
1.53 ± 8% -0.2 1.31 ± 5% perf-profile.children.cycles-pp._raw_spin_lock_irqsave
1.11 ± 8% -0.2 0.89 ± 6% perf-profile.children.cycles-pp._raw_spin_unlock_irqrestore
1.56 ± 8% -0.2 1.34 ± 6% perf-profile.children.cycles-pp.touch_atime
1.19 ± 7% -0.2 0.97 ± 8% perf-profile.children.cycles-pp.anon_pipe_buf_release
1.08 ± 8% -0.2 0.88 ± 4% perf-profile.children.cycles-pp._cond_resched
0.93 ± 8% -0.2 0.73 ± 5% perf-profile.children.cycles-pp.__sb_end_write
1.27 ± 9% -0.2 1.09 ± 6% perf-profile.children.cycles-pp.atime_needs_update
0.96 ± 8% -0.2 0.78 ± 5% perf-profile.children.cycles-pp.aa_file_perm
0.78 ± 6% -0.2 0.61 ± 3% perf-profile.children.cycles-pp.exit_to_user_mode_prepare
0.93 ± 8% -0.1 0.78 ± 4% perf-profile.children.cycles-pp.entry_SYSCALL_64_safe_stack
0.67 ± 7% -0.1 0.53 ± 4% perf-profile.children.cycles-pp.__sb_start_write
0.54 ± 9% -0.1 0.44 ± 3% perf-profile.children.cycles-pp.rcu_all_qs
0.45 ± 10% -0.1 0.36 ± 5% perf-profile.children.cycles-pp.__wake_up_common
0.43 ± 8% -0.1 0.35 ± 6% perf-profile.children.cycles-pp.__x86_indirect_thunk_rax
0.39 ± 5% -0.1 0.32 ± 3% perf-profile.children.cycles-pp.rw_verify_area
0.26 ± 7% -0.0 0.21 ± 4% perf-profile.children.cycles-pp.kill_fasync
0.28 ± 5% -0.0 0.23 ± 7% perf-profile.children.cycles-pp.iov_iter_init
0.17 ± 5% -0.0 0.14 ± 8% perf-profile.children.cycles-pp.rcu_read_unlock_strict
0.10 ± 7% -0.0 0.08 ± 5% perf-profile.children.cycles-pp.__x64_sys_read
0.10 ± 8% -0.0 0.08 perf-profile.children.cycles-pp.__x64_sys_write
2.84 ± 7% +1.4 4.25 ± 5% perf-profile.children.cycles-pp.fsnotify
30.90 ± 18% +10.5 41.43 ± 6% perf-profile.children.cycles-pp.secondary_startup_64_no_verify
30.90 ± 18% +10.5 41.43 ± 6% perf-profile.children.cycles-pp.cpu_startup_entry
30.90 ± 18% +10.5 41.43 ± 6% perf-profile.children.cycles-pp.do_idle
30.70 ± 18% +10.6 41.30 ± 7% perf-profile.children.cycles-pp.start_secondary
30.36 ± 19% +10.8 41.12 ± 7% perf-profile.children.cycles-pp.cpuidle_enter
30.35 ± 19% +10.8 41.12 ± 7% perf-profile.children.cycles-pp.cpuidle_enter_state
29.17 ± 20% +11.0 40.22 ± 7% perf-profile.children.cycles-pp.intel_idle
7.59 ± 8% -1.4 6.23 ± 5% perf-profile.self.cycles-pp.copy_user_enhanced_fast_string
5.39 ± 8% -0.9 4.53 ± 5% perf-profile.self.cycles-pp.syscall_return_via_sysret
2.89 ± 9% -0.5 2.35 ± 4% perf-profile.self.cycles-pp.__entry_text_start
2.62 ± 8% -0.5 2.13 ± 3% perf-profile.self.cycles-pp.pipe_write
2.45 ± 8% -0.5 1.98 ± 5% perf-profile.self.cycles-pp.pipe_read
2.33 ± 8% -0.5 1.87 ± 5% perf-profile.self.cycles-pp.__fget_light
2.33 ± 8% -0.5 1.87 ± 4% perf-profile.self.cycles-pp.mutex_lock
1.85 ± 8% -0.4 1.44 ± 4% perf-profile.self.cycles-pp.mutex_unlock
1.93 ± 8% -0.4 1.54 ± 5% perf-profile.self.cycles-pp.___might_sleep
2.12 ± 7% -0.4 1.75 ± 4% perf-profile.self.cycles-pp._raw_spin_lock_irq
1.27 ± 7% -0.3 0.93 ± 2% perf-profile.self.cycles-pp.syscall_exit_to_user_mode
1.50 ± 9% -0.3 1.19 ± 4% perf-profile.self.cycles-pp.__might_sleep
2.63 ± 7% -0.3 2.32 ± 8% perf-profile.self.cycles-pp.common_file_perm
1.69 ± 8% -0.3 1.40 ± 6% perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe
1.31 ± 11% -0.3 1.01 ± 4% perf-profile.self.cycles-pp.copy_page_from_iter
0.36 ± 19% -0.2 0.12 ± 38% perf-profile.self.cycles-pp.menu_select
1.26 ± 10% -0.2 1.02 ± 6% perf-profile.self.cycles-pp.copy_page_to_iter
1.71 ± 7% -0.2 1.48 ± 7% perf-profile.self.cycles-pp.syscall_enter_from_user_mode
1.09 ± 8% -0.2 0.88 ± 6% perf-profile.self.cycles-pp._raw_spin_unlock_irqrestore
1.48 ± 8% -0.2 1.27 ± 5% perf-profile.self.cycles-pp._raw_spin_lock_irqsave
1.07 ± 8% -0.2 0.86 ± 3% perf-profile.self.cycles-pp.new_sync_read
1.27 ± 8% -0.2 1.06 perf-profile.self.cycles-pp.vfs_read
1.14 ± 7% -0.2 0.94 ± 8% perf-profile.self.cycles-pp.anon_pipe_buf_release
0.35 ± 10% -0.2 0.15 ± 12% perf-profile.self.cycles-pp.cpuidle_enter_state
0.92 ± 9% -0.2 0.73 ± 5% perf-profile.self.cycles-pp.__sb_end_write
0.82 ± 8% -0.2 0.66 ± 5% perf-profile.self.cycles-pp.aa_file_perm
0.69 ± 6% -0.1 0.54 perf-profile.self.cycles-pp.exit_to_user_mode_prepare
0.93 ± 8% -0.1 0.78 ± 4% perf-profile.self.cycles-pp.entry_SYSCALL_64_safe_stack
0.75 ± 8% -0.1 0.61 ± 6% perf-profile.self.cycles-pp.security_file_permission
0.67 ± 7% -0.1 0.53 ± 4% perf-profile.self.cycles-pp.__sb_start_write
0.93 ± 5% -0.1 0.80 perf-profile.self.cycles-pp.new_sync_write
0.60 ± 11% -0.1 0.47 ± 4% perf-profile.self.cycles-pp.__wake_up_common_lock
0.62 ± 9% -0.1 0.50 ± 5% perf-profile.self.cycles-pp.current_time
0.54 ± 8% -0.1 0.43 ± 5% perf-profile.self.cycles-pp._cond_resched
0.42 ± 7% -0.1 0.31 ± 7% perf-profile.self.cycles-pp.do_syscall_64
0.45 ± 11% -0.1 0.34 ± 5% perf-profile.self.cycles-pp.write
0.45 ± 7% -0.1 0.35 ± 4% perf-profile.self.cycles-pp.ksys_write
0.45 ± 9% -0.1 0.35 ± 6% perf-profile.self.cycles-pp.read
0.43 ± 6% -0.1 0.34 ± 4% perf-profile.self.cycles-pp.ksys_read
0.61 ± 7% -0.1 0.53 ± 4% perf-profile.self.cycles-pp.__fdget_pos
0.49 ± 9% -0.1 0.41 ± 4% perf-profile.self.cycles-pp.file_update_time
0.43 ± 10% -0.1 0.35 ± 5% perf-profile.self.cycles-pp.__wake_up_common
0.43 ± 5% -0.1 0.36 ± 7% perf-profile.self.cycles-pp.atime_needs_update
0.31 ± 9% -0.1 0.25 ± 6% perf-profile.self.cycles-pp.__x86_indirect_thunk_rax
0.28 ± 8% -0.1 0.23 ± 2% perf-profile.self.cycles-pp.__might_fault
0.31 ± 5% -0.1 0.26 ± 4% perf-profile.self.cycles-pp.rw_verify_area
0.27 ± 6% -0.0 0.22 ± 3% perf-profile.self.cycles-pp.copyin
0.25 ± 5% -0.0 0.21 ± 5% perf-profile.self.cycles-pp.iov_iter_init
0.21 ± 6% -0.0 0.18 ± 3% perf-profile.self.cycles-pp.kill_fasync
2.75 ± 7% +1.4 4.18 ± 6% perf-profile.self.cycles-pp.fsnotify
29.17 ± 20% +11.0 40.22 ± 7% perf-profile.self.cycles-pp.intel_idle
unixbench.score
42000 +-------------------------------------------------------------------+
| +.+ O : : +. |
40000 |-O O O O O O O O O O O O O O O O O O : O : O O O |
38000 |-+ : : |
| : : |
36000 |-+ : : |
34000 |-+ : : |
| : : |
32000 |-+ : : |
30000 |-+ :: |
| :: |
28000 |-+ : |
26000 |-+ + |
| |
24000 +-------------------------------------------------------------------+
[*] bisect-good sample
[O] bisect-bad sample
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,
Oliver Sang
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