* [sched] 49df457a977: +58.8% hackbench.throughput
[not found] <53d8586e.nIBwr0ClTNEmc22H%fengguang.wu@intel.com>
@ 2014-07-30 2:48 ` Aaron Lu
0 siblings, 0 replies; only message in thread
From: Aaron Lu @ 2014-07-30 2:48 UTC (permalink / raw)
To: lkp
[-- Attachment #1: Type: text/plain, Size: 48417 bytes --]
FYI, we noticed the below changes on
git://bee.sh.intel.com/git/ydu19/linux rewrite-v4.6-on-3.16-rc5
commit 49df457a977e6c0e3f43fb9269a058c724282d60 ("sched: Rewrite per entity runnable load average tracking")
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
152082 ~ 2% +58.8% 241578 ~ 0% lkp-snb01/hackbench/1600%-process-pipe
152082 ~ 2% +58.8% 241578 ~ 0% TOTAL hackbench.throughput
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
0.95 ~12% -84.0% 0.15 ~ 8% lkp-snb01/hackbench/1600%-process-pipe
0.95 ~12% -84.0% 0.15 ~ 8% TOTAL perf-profile.cpu-cycles.__schedule.schedule_user.sysret_careful.__write_nocancel
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
11294 ~11% +531.6% 71342 ~ 2% lkp-snb01/hackbench/1600%-process-pipe
11294 ~11% +531.6% 71342 ~ 2% TOTAL numa-vmstat.node1.numa_other
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
63216 ~ 2% -95.3% 2992 ~47% lkp-snb01/hackbench/1600%-process-pipe
63216 ~ 2% -95.3% 2992 ~47% TOTAL numa-vmstat.node0.numa_other
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
2.159e+08 ~ 3% +368.3% 1.011e+09 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
2.159e+08 ~ 3% +368.3% 1.011e+09 ~ 1% TOTAL cpuidle.C1-SNB.time
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
0.64 ~33% -76.5% 0.15 ~17% lkp-snb01/hackbench/1600%-process-pipe
0.64 ~33% -76.5% 0.15 ~17% TOTAL perf-profile.cpu-cycles.effective_load.isra.39.select_task_rq_fair.try_to_wake_up.default_wake_function.autoremove_wake_function
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
2.11 ~45% -80.9% 0.40 ~ 8% lkp-snb01/hackbench/1600%-process-pipe
2.11 ~45% -80.9% 0.40 ~ 8% TOTAL perf-profile.cpu-cycles.idle_cpu.select_task_rq_fair.try_to_wake_up.default_wake_function.autoremove_wake_function
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
3.15 ~ 5% -70.3% 0.93 ~10% lkp-snb01/hackbench/1600%-process-pipe
3.15 ~ 5% -70.3% 0.93 ~10% TOTAL turbostat.%c7
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
21214660 ~ 2% -68.2% 6742903 ~15% lkp-snb01/hackbench/1600%-process-pipe
21214660 ~ 2% -68.2% 6742903 ~15% TOTAL cpuidle.C1-SNB.usage
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
37122 ~35% +273.9% 138803 ~24% lkp-snb01/hackbench/1600%-process-pipe
37122 ~35% +273.9% 138803 ~24% TOTAL numa-meminfo.node0.KernelStack
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.15 ~ 9% -62.8% 0.43 ~ 7% lkp-snb01/hackbench/1600%-process-pipe
1.15 ~ 9% -62.8% 0.43 ~ 7% TOTAL perf-profile.cpu-cycles.__switch_to.__read_nocancel
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
10403035 ~ 6% +187.4% 29899077 ~ 2% lkp-snb01/hackbench/1600%-process-pipe
10403035 ~ 6% +187.4% 29899077 ~ 2% TOTAL proc-vmstat.pgalloc_dma32
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
4040 ~14% -67.3% 1322 ~ 9% lkp-snb01/hackbench/1600%-process-pipe
4040 ~14% -67.3% 1322 ~ 9% TOTAL cpuidle.C3-SNB.usage
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
53049243 ~ 6% +186.7% 1.521e+08 ~ 2% lkp-snb01/hackbench/1600%-process-pipe
53049243 ~ 6% +186.7% 1.521e+08 ~ 2% TOTAL numa-numastat.node0.numa_hit
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
53048396 ~ 6% +186.7% 1.521e+08 ~ 2% lkp-snb01/hackbench/1600%-process-pipe
53048396 ~ 6% +186.7% 1.521e+08 ~ 2% TOTAL numa-numastat.node0.local_node
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.08 ~16% -65.1% 0.38 ~ 8% lkp-snb01/hackbench/1600%-process-pipe
1.08 ~16% -65.1% 0.38 ~ 8% TOTAL perf-profile.cpu-cycles.select_task_rq_fair.try_to_wake_up.default_wake_function.autoremove_wake_function.__wake_up_common
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
2338 ~35% +273.0% 8720 ~23% lkp-snb01/hackbench/1600%-process-pipe
2338 ~35% +273.0% 8720 ~23% TOTAL numa-vmstat.node0.nr_kernel_stack
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
238 ~11% +161.3% 623 ~ 5% lkp-snb01/hackbench/1600%-process-pipe
238 ~11% +161.3% 623 ~ 5% TOTAL slabinfo.nfs_read_data.num_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
238 ~11% +161.3% 623 ~ 5% lkp-snb01/hackbench/1600%-process-pipe
238 ~11% +161.3% 623 ~ 5% TOTAL slabinfo.nfs_read_data.active_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
2.40 ~24% -65.2% 0.83 ~ 9% lkp-snb01/hackbench/1600%-process-pipe
2.40 ~24% -65.2% 0.83 ~ 9% TOTAL perf-profile.cpu-cycles.__schedule.schedule.pipe_wait.pipe_read.new_sync_read
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
76814 ~25% +207.8% 236402 ~22% lkp-snb01/hackbench/1600%-process-pipe
76814 ~25% +207.8% 236402 ~22% TOTAL numa-meminfo.node0.SUnreclaim
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
19322 ~24% +206.9% 59299 ~21% lkp-snb01/hackbench/1600%-process-pipe
19322 ~24% +206.9% 59299 ~21% TOTAL numa-vmstat.node0.nr_slab_unreclaimable
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
30368489 ~11% +150.4% 76051795 ~ 2% lkp-snb01/hackbench/1600%-process-pipe
30368489 ~11% +150.4% 76051795 ~ 2% TOTAL numa-vmstat.node0.numa_local
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
30431707 ~10% +149.9% 76054788 ~ 2% lkp-snb01/hackbench/1600%-process-pipe
30431707 ~10% +149.9% 76054788 ~ 2% TOTAL numa-vmstat.node0.numa_hit
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
101782 ~18% +157.1% 261679 ~20% lkp-snb01/hackbench/1600%-process-pipe
101782 ~18% +157.1% 261679 ~20% TOTAL numa-meminfo.node0.Slab
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
76785252 ~10% +140.7% 1.848e+08 ~ 5% lkp-snb01/hackbench/1600%-process-pipe
76785252 ~10% +140.7% 1.848e+08 ~ 5% TOTAL cpuidle.C1E-SNB.time
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
0.80 ~45% -69.7% 0.24 ~ 4% lkp-snb01/hackbench/1600%-process-pipe
0.80 ~45% -69.7% 0.24 ~ 4% TOTAL perf-profile.cpu-cycles.try_to_wake_up.default_wake_function.autoremove_wake_function.__wake_up_common.__wake_up_sync_key
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
8.468e+08 ~ 5% -53.0% 3.981e+08 ~ 3% lkp-snb01/hackbench/1600%-process-pipe
8.468e+08 ~ 5% -53.0% 3.981e+08 ~ 3% TOTAL cpuidle.C7-SNB.time
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
336 ~ 7% +106.1% 693 ~ 3% lkp-snb01/hackbench/1600%-process-pipe
336 ~ 7% +106.1% 693 ~ 3% TOTAL slabinfo.mnt_cache.active_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
336 ~ 7% +106.1% 693 ~ 3% lkp-snb01/hackbench/1600%-process-pipe
336 ~ 7% +106.1% 693 ~ 3% TOTAL slabinfo.mnt_cache.num_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
2.63 ~ 3% +177.2% 7.29 ~ 0% lkp-snb01/hackbench/1600%-process-pipe
0.17 ~ 2% +19.3% 0.20 ~ 8% xps2/pigz/100%-128K
2.79 ~ 3% +167.9% 7.48 ~ 0% TOTAL turbostat.%c1
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.29 ~28% -51.9% 0.62 ~23% lkp-snb01/hackbench/1600%-process-pipe
1.29 ~28% -51.9% 0.62 ~23% TOTAL perf-profile.cpu-cycles._raw_spin_lock.try_to_wake_up.default_wake_function.autoremove_wake_function.__wake_up_common
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
274323 ~ 3% -51.4% 133375 ~21% lkp-snb01/hackbench/1600%-process-pipe
274323 ~ 3% -51.4% 133375 ~21% TOTAL numa-meminfo.node1.KernelStack
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
17139 ~ 3% -51.5% 8312 ~20% lkp-snb01/hackbench/1600%-process-pipe
17139 ~ 3% -51.5% 8312 ~20% TOTAL numa-vmstat.node1.nr_kernel_stack
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.578e+08 ~ 3% +94.6% 3.071e+08 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
1.578e+08 ~ 3% +94.6% 3.071e+08 ~ 1% TOTAL proc-vmstat.numa_local
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.578e+08 ~ 3% +94.6% 3.071e+08 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
1.578e+08 ~ 3% +94.6% 3.071e+08 ~ 1% TOTAL proc-vmstat.numa_hit
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.612e+08 ~ 3% +93.7% 3.123e+08 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
1.612e+08 ~ 3% +93.7% 3.123e+08 ~ 1% TOTAL proc-vmstat.pgfree
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.509e+08 ~ 3% +87.2% 2.824e+08 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
1.509e+08 ~ 3% +87.2% 2.824e+08 ~ 1% TOTAL proc-vmstat.pgalloc_normal
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
444139 ~ 4% -47.5% 233233 ~19% lkp-snb01/hackbench/1600%-process-pipe
444139 ~ 4% -47.5% 233233 ~19% TOTAL numa-meminfo.node1.SUnreclaim
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
110967 ~ 3% -47.9% 57811 ~19% lkp-snb01/hackbench/1600%-process-pipe
110967 ~ 3% -47.9% 57811 ~19% TOTAL numa-vmstat.node1.nr_slab_unreclaimable
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
477043 ~ 3% -44.8% 263564 ~17% lkp-snb01/hackbench/1600%-process-pipe
477043 ~ 3% -44.8% 263564 ~17% TOTAL numa-meminfo.node1.Slab
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
66 ~ 8% -41.0% 39 ~22% xps2/pigz/100%-128K
66 ~ 8% -41.0% 39 ~22% TOTAL cpuidle.C1-NHM.usage
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
101194 ~ 2% -42.7% 58014 ~16% lkp-snb01/hackbench/1600%-process-pipe
101194 ~ 2% -42.7% 58014 ~16% TOTAL numa-vmstat.node1.nr_page_table_pages
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
322081 ~ 4% -63.1% 118798 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
18041 ~ 1% -15.6% 15233 ~ 3% xps2/pigz/100%-128K
17691 ~ 1% -12.6% 15460 ~ 1% xps2/pigz/100%-512K
357814 ~ 3% -58.2% 149492 ~ 1% TOTAL softirqs.SCHED
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
405352 ~ 2% -41.2% 238526 ~15% lkp-snb01/hackbench/1600%-process-pipe
405352 ~ 2% -41.2% 238526 ~15% TOTAL numa-meminfo.node1.PageTables
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.31 ~15% +51.8% 1.98 ~14% lkp-snb01/hackbench/1600%-process-pipe
1.31 ~15% +51.8% 1.98 ~14% TOTAL perf-profile.cpu-cycles.vfs_write.sys_write.system_call_fastpath.__write_nocancel
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
662 ~ 7% +63.0% 1080 ~ 3% lkp-snb01/hackbench/1600%-process-pipe
662 ~ 7% +63.0% 1080 ~ 3% TOTAL slabinfo.RAW.num_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
662 ~ 7% +63.0% 1080 ~ 3% lkp-snb01/hackbench/1600%-process-pipe
662 ~ 7% +63.0% 1080 ~ 3% TOTAL slabinfo.RAW.active_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
0.74 ~15% +53.3% 1.13 ~10% lkp-snb01/hackbench/1600%-process-pipe
0.74 ~15% +53.3% 1.13 ~10% TOTAL perf-profile.cpu-cycles.system_call_after_swapgs.__write_nocancel
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.08 ~11% +38.0% 1.49 ~14% lkp-snb01/hackbench/1600%-process-pipe
1.08 ~11% +38.0% 1.49 ~14% TOTAL perf-profile.cpu-cycles.selinux_file_permission.security_file_permission.rw_verify_area.vfs_read.sys_read
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
0.82 ~13% +44.7% 1.18 ~10% lkp-snb01/hackbench/1600%-process-pipe
0.82 ~13% +44.7% 1.18 ~10% TOTAL perf-profile.cpu-cycles.file_update_time.pipe_write.new_sync_write.vfs_write.sys_write
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
2336851 ~ 2% -36.7% 1479825 ~12% lkp-snb01/hackbench/1600%-process-pipe
2336851 ~ 2% -36.7% 1479825 ~12% TOTAL numa-meminfo.node1.MemUsed
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.02 ~16% +49.0% 1.52 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
1.02 ~16% +49.0% 1.52 ~ 1% TOTAL perf-profile.cpu-cycles.new_sync_read.vfs_read.sys_read.system_call_fastpath.__read_nocancel
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
0.63 ~15% +54.1% 0.97 ~ 5% lkp-snb01/hackbench/1600%-process-pipe
0.63 ~15% +54.1% 0.97 ~ 5% TOTAL perf-profile.cpu-cycles.mutex_lock.pipe_read.new_sync_read.vfs_read.sys_read
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.07 ~18% +56.4% 1.68 ~ 2% lkp-snb01/hackbench/1600%-process-pipe
1.07 ~18% +56.4% 1.68 ~ 2% TOTAL perf-profile.cpu-cycles.__sb_end_write.pipe_write.new_sync_write.vfs_write.sys_write
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
0.81 ~18% +57.4% 1.27 ~ 3% lkp-snb01/hackbench/1600%-process-pipe
0.81 ~18% +57.4% 1.27 ~ 3% TOTAL perf-profile.cpu-cycles.system_call.__read_nocancel
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
0.96 ~16% +58.9% 1.52 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
0.96 ~16% +58.9% 1.52 ~ 1% TOTAL perf-profile.cpu-cycles.new_sync_write.vfs_write.sys_write.system_call_fastpath.__write_nocancel
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.21 ~18% +56.9% 1.90 ~ 2% lkp-snb01/hackbench/1600%-process-pipe
1.21 ~18% +56.9% 1.90 ~ 2% TOTAL perf-profile.cpu-cycles.__srcu_read_unlock.fsnotify.vfs_write.sys_write.system_call_fastpath
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.46 ~18% +56.0% 2.27 ~ 3% lkp-snb01/hackbench/1600%-process-pipe
1.46 ~18% +56.0% 2.27 ~ 3% TOTAL perf-profile.cpu-cycles.__srcu_read_lock.fsnotify.vfs_write.sys_write.system_call_fastpath
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.13 ~13% +46.6% 1.66 ~12% lkp-snb01/hackbench/1600%-process-pipe
1.13 ~13% +46.6% 1.66 ~12% TOTAL perf-profile.cpu-cycles.selinux_file_permission.security_file_permission.rw_verify_area.vfs_write.sys_write
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
338506 ~19% +43.3% 484919 ~ 9% xps2/pigz/100%-128K
357641 ~20% +40.6% 502909 ~19% xps2/pigz/100%-512K
696147 ~20% +41.9% 987828 ~14% TOTAL cpuidle.C3-NHM.time
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
2599901 ~ 2% -33.4% 1730340 ~ 2% lkp-snb01/hackbench/1600%-process-pipe
105504 ~ 2% -39.7% 63575 ~10% xps2/pigz/100%-128K
104124 ~ 2% -26.0% 77061 ~ 7% xps2/pigz/100%-512K
2809530 ~ 2% -33.4% 1870976 ~ 2% TOTAL softirqs.RCU
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
105594 ~ 1% -33.1% 70680 ~12% lkp-snb01/hackbench/1600%-process-pipe
105594 ~ 1% -33.1% 70680 ~12% TOTAL numa-vmstat.node1.nr_anon_pages
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
105548 ~ 1% -33.0% 70702 ~12% lkp-snb01/hackbench/1600%-process-pipe
105548 ~ 1% -33.0% 70702 ~12% TOTAL numa-vmstat.node1.nr_active_anon
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
0.80 ~19% +56.1% 1.25 ~ 2% lkp-snb01/hackbench/1600%-process-pipe
0.80 ~19% +56.1% 1.25 ~ 2% TOTAL perf-profile.cpu-cycles.system_call.__write_nocancel
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.14 ~14% +51.8% 1.73 ~ 6% lkp-snb01/hackbench/1600%-process-pipe
1.14 ~14% +51.8% 1.73 ~ 6% TOTAL perf-profile.cpu-cycles.fsnotify.vfs_write.sys_write.system_call_fastpath.__write_nocancel
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
3.37 ~ 9% +45.1% 4.89 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
3.37 ~ 9% +45.1% 4.89 ~ 1% TOTAL perf-profile.cpu-cycles.copy_user_generic_string.copy_page_to_iter.pipe_read.new_sync_read.vfs_read
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.048e+08 ~ 3% +48.0% 1.55e+08 ~ 2% lkp-snb01/hackbench/1600%-process-pipe
1.048e+08 ~ 3% +48.0% 1.55e+08 ~ 2% TOTAL numa-numastat.node1.local_node
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.048e+08 ~ 3% +48.0% 1.55e+08 ~ 2% lkp-snb01/hackbench/1600%-process-pipe
1.048e+08 ~ 3% +48.0% 1.55e+08 ~ 2% TOTAL numa-numastat.node1.numa_hit
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
0.78 ~15% +45.5% 1.14 ~ 8% lkp-snb01/hackbench/1600%-process-pipe
0.78 ~15% +45.5% 1.14 ~ 8% TOTAL perf-profile.cpu-cycles.system_call_after_swapgs.__read_nocancel
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
422963 ~ 1% -31.4% 290240 ~12% lkp-snb01/hackbench/1600%-process-pipe
422963 ~ 1% -31.4% 290240 ~12% TOTAL numa-meminfo.node1.AnonPages
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.48 ~16% +51.5% 2.24 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
1.48 ~16% +51.5% 2.24 ~ 1% TOTAL perf-profile.cpu-cycles.copy_page_from_iter_iovec.copy_page_from_iter.pipe_write.new_sync_write.vfs_write
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
422767 ~ 1% -31.3% 290312 ~12% lkp-snb01/hackbench/1600%-process-pipe
422767 ~ 1% -31.3% 290312 ~12% TOTAL numa-meminfo.node1.Active(anon)
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
19200235 ~ 1% +43.6% 27577988 ~ 0% lkp-snb01/hackbench/1600%-process-pipe
19200235 ~ 1% +43.6% 27577988 ~ 0% TOTAL proc-vmstat.pgfault
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
0.96 ~13% +40.5% 1.35 ~11% lkp-snb01/hackbench/1600%-process-pipe
0.96 ~13% +40.5% 1.35 ~11% TOTAL perf-profile.cpu-cycles.__fget_light.sys_read.system_call_fastpath.__read_nocancel
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
2.11 ~16% +38.0% 2.91 ~ 7% lkp-snb01/hackbench/1600%-process-pipe
2.11 ~16% +38.0% 2.91 ~ 7% TOTAL perf-profile.cpu-cycles.pipe_write.new_sync_write.vfs_write.sys_write.system_call_fastpath
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
52816202 ~ 8% +46.8% 77554512 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
52816202 ~ 8% +46.8% 77554512 ~ 1% TOTAL numa-vmstat.node1.numa_hit
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
52804907 ~ 8% +46.7% 77483170 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
52804907 ~ 8% +46.7% 77483170 ~ 1% TOTAL numa-vmstat.node1.numa_local
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1225 ~ 4% +41.2% 1729 ~11% xps2/pigz/100%-128K
1225 ~ 4% +41.2% 1729 ~11% TOTAL cpuidle.C6-NHM.usage
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
0.77 ~17% +44.2% 1.11 ~ 4% lkp-snb01/hackbench/1600%-process-pipe
0.77 ~17% +44.2% 1.11 ~ 4% TOTAL perf-profile.cpu-cycles.mutex_unlock.new_sync_read.vfs_read.sys_read.system_call_fastpath
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
2.50 ~16% +53.0% 3.83 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
4.75 ~ 6% +14.9% 5.46 ~ 8% xps2/pigz/100%-128K
7.25 ~ 9% +28.1% 9.29 ~ 5% TOTAL perf-profile.cpu-cycles.copy_user_generic_string.copy_page_from_iter.pipe_write.new_sync_write.vfs_write
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
525 ~ 8% +36.3% 715 ~ 4% xps2/pigz/100%-128K
525 ~ 8% +36.3% 715 ~ 4% TOTAL cpuidle.C3-NHM.usage
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
42939 ~ 6% +43.8% 61753 ~18% lkp-snb01/hackbench/1600%-process-pipe
42939 ~ 6% +43.8% 61753 ~18% TOTAL numa-vmstat.node0.nr_page_table_pages
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1065264 ~ 5% +44.6% 1539953 ~14% lkp-snb01/hackbench/1600%-process-pipe
1065264 ~ 5% +44.6% 1539953 ~14% TOTAL numa-meminfo.node0.MemUsed
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1326 ~ 2% +30.8% 1734 ~ 3% lkp-snb01/hackbench/1600%-process-pipe
1326 ~ 2% +30.8% 1734 ~ 3% TOTAL slabinfo.sock_inode_cache.num_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1326 ~ 2% +30.8% 1734 ~ 3% lkp-snb01/hackbench/1600%-process-pipe
1326 ~ 2% +30.8% 1734 ~ 3% TOTAL slabinfo.sock_inode_cache.active_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.40 ~18% +52.1% 2.13 ~ 3% lkp-snb01/hackbench/1600%-process-pipe
1.40 ~18% +52.1% 2.13 ~ 3% TOTAL perf-profile.cpu-cycles.__sb_start_write.pipe_write.new_sync_write.vfs_write.sys_write
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
171696 ~ 6% +43.4% 246188 ~19% lkp-snb01/hackbench/1600%-process-pipe
171696 ~ 6% +43.4% 246188 ~19% TOTAL numa-meminfo.node0.PageTables
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.18 ~14% +32.0% 1.56 ~10% lkp-snb01/hackbench/1600%-process-pipe
1.18 ~14% +32.0% 1.56 ~10% TOTAL perf-profile.cpu-cycles.__fget_light.sys_write.system_call_fastpath.__write_nocancel
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
2.07 ~20% +46.4% 3.03 ~10% lkp-snb01/hackbench/1600%-process-pipe
2.07 ~20% +46.4% 3.03 ~10% TOTAL perf-profile.cpu-cycles.avc_has_perm.inode_has_perm.file_has_perm.selinux_file_permission.security_file_permission
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
0.94 ~ 7% +28.0% 1.21 ~ 3% lkp-snb01/hackbench/1600%-process-pipe
0.94 ~ 7% +28.0% 1.21 ~ 3% TOTAL perf-profile.cpu-cycles.touch_atime.pipe_read.new_sync_read.vfs_read.sys_read
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
49554 ~ 4% +34.5% 66654 ~ 4% lkp-snb01/hackbench/1600%-process-pipe
49554 ~ 4% +34.5% 66654 ~ 4% TOTAL cpuidle.C7-SNB.usage
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
468246 ~ 3% -26.0% 346293 ~ 9% lkp-snb01/hackbench/1600%-process-pipe
468246 ~ 3% -26.0% 346293 ~ 9% TOTAL numa-meminfo.node1.Active
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
2.05 ~ 9% +30.3% 2.67 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
2.05 ~ 9% +30.3% 2.67 ~ 1% TOTAL perf-profile.cpu-cycles.copy_page_to_iter_iovec.copy_page_to_iter.pipe_read.new_sync_read.vfs_read
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.02 ~14% +33.6% 1.36 ~ 3% lkp-snb01/hackbench/1600%-process-pipe
1.02 ~14% +33.6% 1.36 ~ 3% TOTAL perf-profile.cpu-cycles.__write_nocancel
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
257147 ~ 0% -11.0% 228841 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
3472 ~ 6% +34.7% 4676 ~ 8% xps2/pigz/100%-128K
3552 ~11% +25.2% 4446 ~ 6% xps2/pigz/100%-512K
264172 ~ 0% -9.9% 237963 ~ 1% TOTAL slabinfo.anon_vma.active_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
271487 ~ 0% -10.2% 243787 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
3472 ~ 6% +34.7% 4676 ~ 8% xps2/pigz/100%-128K
3552 ~11% +25.2% 4446 ~ 6% xps2/pigz/100%-512K
278512 ~ 0% -9.2% 252909 ~ 1% TOTAL slabinfo.anon_vma.num_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
220620 ~ 5% +28.6% 283650 ~ 6% lkp-snb01/hackbench/1600%-process-pipe
220620 ~ 5% +28.6% 283650 ~ 6% TOTAL cpuidle.C1E-SNB.usage
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
2.19 ~16% +38.2% 3.02 ~ 3% lkp-snb01/hackbench/1600%-process-pipe
2.19 ~16% +38.2% 3.02 ~ 3% TOTAL perf-profile.cpu-cycles.mutex_unlock.new_sync_write.vfs_write.sys_write.system_call_fastpath
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.23 ~12% +30.8% 1.61 ~ 3% lkp-snb01/hackbench/1600%-process-pipe
1.23 ~12% +30.8% 1.61 ~ 3% TOTAL perf-profile.cpu-cycles.vfs_read.sys_read.system_call_fastpath.__read_nocancel
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.33 ~ 6% +18.0% 1.57 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
1.33 ~ 6% +18.0% 1.57 ~ 1% TOTAL perf-profile.cpu-cycles.__read_nocancel
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
10259 ~ 9% -18.1% 8402 ~ 8% lkp-snb01/hackbench/1600%-process-pipe
1672 ~ 3% -8.4% 1531 ~ 4% xps2/pigz/100%-512K
11931 ~ 8% -16.7% 9933 ~ 7% TOTAL slabinfo.proc_inode_cache.num_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
2094 ~ 7% +14.3% 2393 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
2094 ~ 7% +14.3% 2393 ~ 1% TOTAL uptime.idle
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
6780 ~ 0% +18.0% 7997 ~ 0% lkp-snb01/hackbench/1600%-process-pipe
6780 ~ 0% +18.0% 7997 ~ 0% TOTAL vmstat.procs.r
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.13 ~ 5% +16.0% 1.32 ~ 2% lkp-snb01/hackbench/1600%-process-pipe
1.13 ~ 5% +16.0% 1.32 ~ 2% TOTAL perf-profile.cpu-cycles.mutex_lock.pipe_write.new_sync_write.vfs_write.sys_write
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
0.17 ~ 5% +15.3% 0.20 ~ 2% xps2/pigz/100%-128K
0.17 ~ 5% +15.3% 0.20 ~ 2% TOTAL turbostat.%pc6
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
5797050 ~ 2% +17.3% 6801865 ~ 5% xps2/pigz/100%-128K
5797050 ~ 2% +17.3% 6801865 ~ 5% TOTAL cpuidle.C6-NHM.time
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.77 ~ 4% +22.1% 2.16 ~ 5% lkp-snb01/hackbench/1600%-process-pipe
1.77 ~ 4% +22.1% 2.16 ~ 5% TOTAL perf-profile.cpu-cycles.pipe_read.new_sync_read.vfs_read.sys_read.system_call_fastpath
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
10101941 ~ 0% -14.4% 8650440 ~ 2% lkp-snb01/hackbench/1600%-process-pipe
10101941 ~ 0% -14.4% 8650440 ~ 2% TOTAL meminfo.Committed_AS
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
176173 ~ 0% -13.4% 152605 ~ 2% lkp-snb01/hackbench/1600%-process-pipe
176173 ~ 0% -13.4% 152605 ~ 2% TOTAL proc-vmstat.nr_anon_pages
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
176133 ~ 0% -13.3% 152665 ~ 2% lkp-snb01/hackbench/1600%-process-pipe
176133 ~ 0% -13.3% 152665 ~ 2% TOTAL proc-vmstat.nr_active_anon
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
69007 ~ 6% -8.3% 63255 ~ 5% lkp-snb01/hackbench/1600%-process-pipe
69007 ~ 6% -8.3% 63255 ~ 5% TOTAL numa-vmstat.node0.nr_file_pages
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
275989 ~ 5% -8.3% 253185 ~ 5% lkp-snb01/hackbench/1600%-process-pipe
275989 ~ 5% -8.3% 253185 ~ 5% TOTAL numa-meminfo.node0.FilePages
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
144484 ~ 0% -14.3% 123860 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
144484 ~ 0% -14.3% 123860 ~ 1% TOTAL proc-vmstat.nr_page_table_pages
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1824 ~ 6% +13.2% 2064 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
1824 ~ 6% +13.2% 2064 ~ 1% TOTAL slabinfo.shmem_inode_cache.num_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1824 ~ 6% +13.2% 2064 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
1824 ~ 6% +13.2% 2064 ~ 1% TOTAL slabinfo.shmem_inode_cache.active_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
705846 ~ 0% -13.0% 613934 ~ 2% lkp-snb01/hackbench/1600%-process-pipe
705846 ~ 0% -13.0% 613934 ~ 2% TOTAL meminfo.AnonPages
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
705673 ~ 0% -13.0% 614218 ~ 2% lkp-snb01/hackbench/1600%-process-pipe
705673 ~ 0% -13.0% 614218 ~ 2% TOTAL meminfo.Active(anon)
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
2746 ~ 3% +12.5% 3091 ~ 3% lkp-snb01/hackbench/1600%-process-pipe
2746 ~ 3% +12.5% 3091 ~ 3% TOTAL slabinfo.kmalloc-96.active_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
579273 ~ 0% -14.0% 498028 ~ 2% lkp-snb01/hackbench/1600%-process-pipe
579273 ~ 0% -14.0% 498028 ~ 2% TOTAL meminfo.PageTables
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
2788 ~ 3% +12.3% 3133 ~ 3% lkp-snb01/hackbench/1600%-process-pipe
2788 ~ 3% +12.3% 3133 ~ 3% TOTAL slabinfo.kmalloc-96.num_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
819171 ~ 0% -12.2% 719483 ~ 2% lkp-snb01/hackbench/1600%-process-pipe
819171 ~ 0% -12.2% 719483 ~ 2% TOTAL meminfo.Active
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
404148 ~ 0% -11.8% 356411 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
3274 ~ 1% -8.5% 2996 ~ 5% xps2/pigz/100%-128K
3366 ~ 4% -12.4% 2947 ~ 4% xps2/pigz/100%-512K
410789 ~ 0% -11.8% 362355 ~ 1% TOTAL slabinfo.vm_area_struct.active_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
420842 ~ 0% -11.2% 373711 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
3312 ~ 2% -8.3% 3038 ~ 6% xps2/pigz/100%-128K
3408 ~ 3% -12.4% 2984 ~ 3% xps2/pigz/100%-512K
427563 ~ 0% -11.2% 379734 ~ 1% TOTAL slabinfo.vm_area_struct.num_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
533974 ~ 0% -11.5% 472605 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
533974 ~ 0% -11.5% 472605 ~ 1% TOTAL slabinfo.kmalloc-64.active_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1421 ~ 0% -10.8% 1267 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
1421 ~ 0% -10.8% 1267 ~ 1% TOTAL slabinfo.sighand_cache.active_slabs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1421 ~ 0% -10.8% 1267 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
1421 ~ 0% -10.8% 1267 ~ 1% TOTAL slabinfo.sighand_cache.num_slabs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
21323 ~ 0% -10.8% 19020 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
21323 ~ 0% -10.8% 19020 ~ 1% TOTAL slabinfo.sighand_cache.num_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1114 ~ 0% -11.0% 991 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
1114 ~ 0% -11.0% 991 ~ 1% TOTAL slabinfo.mm_struct.num_slabs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1114 ~ 0% -11.0% 991 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
1114 ~ 0% -11.0% 991 ~ 1% TOTAL slabinfo.mm_struct.active_slabs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
18957 ~ 0% -11.1% 16861 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
18957 ~ 0% -11.1% 16861 ~ 1% TOTAL slabinfo.mm_struct.num_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
19974 ~ 0% -10.8% 17814 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
19974 ~ 0% -10.8% 17814 ~ 1% TOTAL slabinfo.task_struct.num_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
4993 ~ 0% -10.8% 4453 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
4993 ~ 0% -10.8% 4453 ~ 1% TOTAL slabinfo.task_struct.num_slabs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
4993 ~ 0% -10.8% 4453 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
4993 ~ 0% -10.8% 4453 ~ 1% TOTAL slabinfo.task_struct.active_slabs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
9564 ~ 0% -11.2% 8492 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
9564 ~ 0% -11.2% 8492 ~ 1% TOTAL slabinfo.vm_area_struct.num_slabs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
9564 ~ 0% -11.2% 8492 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
9564 ~ 0% -11.2% 8492 ~ 1% TOTAL slabinfo.vm_area_struct.active_slabs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
20909 ~ 0% -10.1% 18793 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
20909 ~ 0% -10.1% 18793 ~ 1% TOTAL slabinfo.sighand_cache.active_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
19775 ~ 1% -10.5% 17695 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
19775 ~ 1% -10.5% 17695 ~ 1% TOTAL slabinfo.task_struct.active_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
559228 ~ 0% -10.9% 498132 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
559228 ~ 0% -10.9% 498132 ~ 1% TOTAL slabinfo.kmalloc-64.num_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
8737 ~ 0% -10.9% 7782 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
8737 ~ 0% -10.9% 7782 ~ 1% TOTAL slabinfo.kmalloc-64.num_slabs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
8737 ~ 0% -10.9% 7782 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
8737 ~ 0% -10.9% 7782 ~ 1% TOTAL slabinfo.kmalloc-64.active_slabs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
19540 ~ 1% -10.3% 17524 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
19540 ~ 1% -10.3% 17524 ~ 1% TOTAL proc-vmstat.nr_kernel_stack
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1653 ~ 2% -7.9% 1522 ~ 3% xps2/pigz/100%-512K
1653 ~ 2% -7.9% 1522 ~ 3% TOTAL slabinfo.proc_inode_cache.active_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
15845 ~ 0% -9.8% 14296 ~ 0% lkp-snb01/hackbench/1600%-process-pipe
15845 ~ 0% -9.8% 14296 ~ 0% TOTAL slabinfo.kmalloc-1024.active_objs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
5322 ~ 0% -10.2% 4779 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
5322 ~ 0% -10.2% 4779 ~ 1% TOTAL slabinfo.anon_vma.num_slabs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
5322 ~ 0% -10.2% 4779 ~ 1% lkp-snb01/hackbench/1600%-process-pipe
5322 ~ 0% -10.2% 4779 ~ 1% TOTAL slabinfo.anon_vma.active_slabs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
312131 ~ 1% -10.4% 279585 ~ 2% lkp-snb01/hackbench/1600%-process-pipe
312131 ~ 1% -10.4% 279585 ~ 2% TOTAL meminfo.KernelStack
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
758083 ~ 4% -80.0% 151644 ~14% lkp-snb01/hackbench/1600%-process-pipe
9915 ~ 0% -10.4% 8882 ~ 0% xps2/pigz/100%-128K
9033 ~ 1% -3.5% 8715 ~ 0% xps2/pigz/100%-512K
777032 ~ 4% -78.2% 169242 ~13% TOTAL vmstat.system.in
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1.235e+09 ~ 2% -50.2% 6.146e+08 ~ 3% lkp-snb01/hackbench/1600%-process-pipe
665615 ~ 2% +124.4% 1493408 ~ 0% xps2/pigz/100%-128K
225299 ~ 2% +75.0% 394317 ~ 0% xps2/pigz/100%-512K
1.236e+09 ~ 2% -50.1% 6.164e+08 ~ 3% TOTAL time.involuntary_context_switches
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
5797529 ~ 0% -49.9% 2906036 ~ 2% lkp-snb01/hackbench/1600%-process-pipe
5804 ~ 0% +86.7% 10834 ~ 0% xps2/pigz/100%-128K
1983 ~ 1% +61.4% 3202 ~ 0% xps2/pigz/100%-512K
5805316 ~ 0% -49.7% 2920073 ~ 2% TOTAL vmstat.system.cs
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
2.303e+09 ~ 1% -50.5% 1.14e+09 ~ 3% lkp-snb01/hackbench/1600%-process-pipe
971741 ~ 0% +70.1% 1652539 ~ 0% xps2/pigz/100%-128K
257403 ~ 0% +67.9% 432153 ~ 0% xps2/pigz/100%-512K
2.304e+09 ~ 1% -50.4% 1.142e+09 ~ 3% TOTAL time.voluntary_context_switches
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
17874373 ~ 1% +51.0% 26995527 ~ 0% lkp-snb01/hackbench/1600%-process-pipe
17874373 ~ 1% +51.0% 26995527 ~ 0% TOTAL time.minor_page_faults
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
1579 ~ 1% -11.8% 1392 ~ 0% lkp-snb01/hackbench/1600%-process-pipe
1579 ~ 1% -11.8% 1392 ~ 0% TOTAL time.user_time
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
16907 ~ 1% -3.1% 16387 ~ 0% lkp-snb01/hackbench/1600%-process-pipe
16907 ~ 1% -3.1% 16387 ~ 0% TOTAL time.system_time
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
94.22 ~ 0% -2.6% 91.78 ~ 0% lkp-snb01/hackbench/1600%-process-pipe
94.22 ~ 0% -2.6% 91.78 ~ 0% TOTAL turbostat.%c0
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
3004 ~ 0% -2.3% 2934 ~ 0% lkp-snb01/hackbench/1600%-process-pipe
3004 ~ 0% -2.3% 2934 ~ 0% TOTAL time.percent_of_cpu_this_job_got
55ea71268e23ea3 49df457a977e6c0e3f43fb926
--------------- -------------------------
164 ~ 0% +1.0% 166 ~ 0% lkp-snb01/hackbench/1600%-process-pipe
164 ~ 0% +1.0% 166 ~ 0% TOTAL turbostat.Cor_W
Legend:
~XX% - stddev percent
[+-]XX% - change percent
time.voluntary_context_switches
460000 ++-----------------------------------------------------------------+
440000 O+ O O O O |
| O O O O O |
420000 ++ |
400000 ++ |
380000 ++ |
360000 ++ |
| |
340000 ++ |
320000 ++ |
300000 ++ |
280000 ++ |
| |
260000 *+...*....*...*....*....*....*....*...*....*....*....*...*....*....*
240000 ++-----------------------------------------------------------------+
time.involuntary_context_switches
450000 ++-----------------------------------------------------------------+
| |
O O O O O |
400000 ++ O O O O O |
| |
| |
350000 ++ |
| |
300000 ++ |
| |
| |
250000 ++ |
| ..*....*.... ..*.... ..*....*... ..*
*....*....*...*....*.. *. *.. *....*.. |
200000 ++-----------------------------------------------------------------+
vmstat.system.cs
3400 ++-------------------------------------------------------------------+
O O O O O |
3200 ++ O O O O O |
3000 ++ |
| |
2800 ++ |
| |
2600 ++ |
| |
2400 ++ |
2200 ++ |
| |
2000 *+... ..*....*....*...*....*....*....*.... ..*
| *....*....*....*.. *....*.. |
1800 ++-------------------------------------------------------------------+
[*] 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,
Aaron
[-- Attachment #2: reproduce.ksh --]
[-- Type: text/plain, Size: 585 bytes --]
echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu5/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu6/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor
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2014-07-30 2:48 ` [sched] 49df457a977: +58.8% hackbench.throughput Aaron Lu
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