From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============0171996745958617904==" MIME-Version: 1.0 From: kernel test robot To: lkp@lists.01.org Subject: [sched] 0c9ceffc34: +113.2% unixbench.score, +88.1% perf-bench-sched-pipe.ops_per_sec Date: Thu, 04 Feb 2016 09:39:55 +0800 Message-ID: <87egctdzis.fsf@yhuang-dev.intel.com> List-Id: --===============0171996745958617904== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable FYI, we noticed the below changes on https://git.kernel.org/pub/scm/linux/kernel/git/mel/linux sched-disable-sch= edstats-v3r1 commit 0c9ceffc3460e0dd67dd0996bfe90d97771ff6a6 ("sched: Make schedstats a = runtime tunable that is disabled by default v3") Part of change may come from latencytop is disabled too. =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D compiler/kconfig/nr_task/rootfs/tbox_group/test/testcase: gcc-4.9/x86_64-rhel/100%/debian-x86_64-2015-02-07.cgz/nhm-white2/context1= /unixbench commit: = v4.5-rc1 0c9ceffc3460e0dd67dd0996bfe90d97771ff6a6 v4.5-rc1 0c9ceffc3460e0dd67dd0996bf = ---------------- -------------------------- = %stddev %change %stddev \ | \ = 1514 =C2=B1 0% +113.2% 3229 =C2=B1 0% unixbench.score 80462 =C2=B1 33% +491.4% 475819 =C2=B1 9% unixbench.time.invo= luntary_context_switches 388.27 =C2=B1 0% -3.6% 374.28 =C2=B1 0% unixbench.time.syst= em_time 10.93 =C2=B1 1% +108.9% 22.83 =C2=B1 0% unixbench.time.user= _time 60435954 =C2=B1 0% +111.1% 1.276e+08 =C2=B1 0% unixbench.time.volu= ntary_context_switches 397.30 =C2=B1 20% +79.0% 711.00 =C2=B1 26% cpuidle.C1-NHM.usage 3200280 =C2=B1 39% -65.8% 1095808 =C2=B1 1% cpuidle.C3-NHM.time 7.00 =C2=B1 0% +14.3% 8.00 =C2=B1 0% vmstat.procs.r 906365 =C2=B1 2% +113.9% 1938512 =C2=B1 0% vmstat.system.cs 80462 =C2=B1 33% +491.4% 475819 =C2=B1 9% time.involuntary_co= ntext_switches 10.93 =C2=B1 1% +108.9% 22.83 =C2=B1 0% time.user_time 60435954 =C2=B1 0% +111.1% 1.276e+08 =C2=B1 0% time.voluntary_cont= ext_switches 0.95 =C2=B1 22% -35.5% 0.61 =C2=B1 18% turbostat.CPU%c1 0.51 =C2=B1 42% -68.4% 0.16 =C2=B1 4% turbostat.CPU%c3 1.04 =C2=B1 51% -73.5% 0.28 =C2=B1 9% turbostat.Pkg%pc3 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D compiler/cpufreq_governor/kconfig/loops/mode/rootfs/tbox_group/testcase: gcc-4.9/performance/x86_64-rhel/10000000ops/process/debian-x86_64-2015-02= -07.cgz/lkp-bdw01/perf-bench-sched-pipe commit: = v4.5-rc1 0c9ceffc3460e0dd67dd0996bfe90d97771ff6a6 v4.5-rc1 0c9ceffc3460e0dd67dd0996bf = ---------------- -------------------------- = %stddev %change %stddev \ | \ = 96795 =C2=B1 0% +88.1% 182087 =C2=B1 0% perf-bench-sched-pi= pe.ops_per_sec 103.32 =C2=B1 0% -46.8% 54.92 =C2=B1 0% perf-bench-sched-pi= pe.time.elapsed_time 103.32 =C2=B1 0% -46.8% 54.92 =C2=B1 0% perf-bench-sched-pi= pe.time.elapsed_time.max 162.86 =C2=B1 0% -18.5% 132.75 =C2=B1 0% perf-bench-sched-pi= pe.time.percent_of_cpu_this_job_got 165.06 =C2=B1 1% -56.6% 71.69 =C2=B1 0% perf-bench-sched-pi= pe.time.system_time 123.34 =C2=B1 0% -39.0% 75.19 =C2=B1 0% uptime.boot 373.78 =C2=B1 0% -38.4% 230.36 =C2=B1 1% uptime.idle 377958 =C2=B1 0% +84.9% 698794 =C2=B1 0% vmstat.system.cs 2330 =C2=B1 17% +545.9% 15051 =C2=B1 9% vmstat.system.in 23710 =C2=B1 84% -67.4% 7725 =C2=B1 19% softirqs.RCU 58220 =C2=B1 6% -44.7% 32185 =C2=B1 0% softirqs.SCHED 85302 =C2=B1 6% -32.5% 57603 =C2=B1 0% softirqs.TIMER 103.32 =C2=B1 0% -46.8% 54.92 =C2=B1 0% time.elapsed_time 103.32 =C2=B1 0% -46.8% 54.92 =C2=B1 0% time.elapsed_time.m= ax 162.86 =C2=B1 0% -18.5% 132.75 =C2=B1 0% time.percent_of_cpu= _this_job_got 165.06 =C2=B1 1% -56.6% 71.69 =C2=B1 0% time.system_time 3.66 =C2=B1 8% -57.5% 1.56 =C2=B1 7% time.user_time 51.24 =C2=B1 1% +13.9% 58.36 =C2=B1 1% turbostat.%Busy 1124 =C2=B1 1% +13.9% 1280 =C2=B1 1% turbostat.Avg_MHz 29.20 =C2=B1 6% -26.1% 21.58 =C2=B1 11% turbostat.CPU%c7 4.30 =C2=B1 0% +12.5% 4.83 =C2=B1 1% turbostat.CorWatt 6.00 =C2=B1 0% +8.1% 6.49 =C2=B1 1% turbostat.PkgWatt 106097 =C2=B1 0% -41.4% 62186 =C2=B1 0% proc-vmstat.numa_hit 106097 =C2=B1 0% -41.4% 62186 =C2=B1 0% proc-vmstat.numa_lo= cal 75307 =C2=B1 0% -41.3% 44239 =C2=B1 1% proc-vmstat.pgalloc= _dma32 35761 =C2=B1 0% -41.1% 21078 =C2=B1 0% proc-vmstat.pgalloc= _normal 125687 =C2=B1 0% -41.4% 73686 =C2=B1 0% proc-vmstat.pgfault 108857 =C2=B1 0% -42.0% 63107 =C2=B1 0% proc-vmstat.pgfree 17894873 =C2=B1 18% -85.3% 2623742 =C2=B1 36% cpuidle.C1-BDW.time 3765284 =C2=B1 8% -99.9% 4200 =C2=B1 3% cpuidle.C1-BDW.usage 1755 =C2=B1110% -64.9% 616.75 =C2=B1 10% cpuidle.C1E-BDW.usa= ge 3915 =C2=B1166% -80.4% 765.75 =C2=B1 9% cpuidle.C3-BDW.usage 1611 =C2=B1186% -86.7% 214.50 =C2=B1 5% cpuidle.C6-BDW.usage 8089687 =C2=B1 59% -75.0% 2024751 =C2=B1 28% cpuidle.C7s-BDW.time 5195 =C2=B1173% -84.4% 811.75 =C2=B1 2% cpuidle.C7s-BDW.usa= ge 4308 =C2=B1 94% -71.7% 1221 =C2=B1 5% cpuidle.C8-BDW.usage 39471496 =C2=B1103% -68.0% 12634953 =C2=B1 28% cpuidle.C9-BDW.time 8325 =C2=B1195% -90.7% 770.50 =C2=B1 5% cpuidle.C9-BDW.usage 46685007 =C2=B1 8% -51.1% 22808700 =C2=B1 11% cpuidle.POLL.time 16152326 =C2=B1 1% -60.2% 6434419 =C2=B1 12% cpuidle.POLL.usage nhm-white2: Nehalem Memory: 4G lkp-bdw01: Broadwell ULT Memory: 4G perf-bench-sched-pipe.ops_per_sec 200000 ++----------------------------------------------------------------= -+ 180000 O+O O O O O O O O O O O O O O O O O O O O = | | = | 160000 ++ = | 140000 ++ = | | = | 120000 ++ = | 100000 *+* *.*.*.*..*.*.*.*..* *.*..*.*.*.*.*..*.*.*.*..*.*.*.*..*.*= .* 80000 ++: : : : = | | : : : : = | 60000 ++ : : : : = | 40000 ++ : : : : = | | : : : : = | 20000 ++ : : = | 0 ++--*----------------------*--------------------------------------= -+ perf-bench-sched-pipe.time.system_time 180 ++-------------------------------------------------------------------= -+ *.* .*.*.*..*.*.*..* *..*.*.*..*.*.*..*.*.*..*.*.*..*.*.*..*= .* 160 ++: *.*. : : = | 140 ++: : : : = | | : : : : = | 120 ++ : : : : = | 100 ++ : : : : = | | : : : : = | 80 ++ : : O O O O O O: :O O O O O O O O = | 60 O+O :O:O O O :O: = | | : : : : = | 40 ++ : : : = | 20 ++ : : = | | : : = | 0 ++---*----------------------*----------------------------------------= -+ perf-bench-sched-pipe.time.percent_of_cpu_this_job_got 180 ++-------------------------------------------------------------------= -+ *.* *.*..*.*.*..*.*.*..* *..*.*.*..*.*.*..*.*.*..*.*.*..*.*.*..*= .* 160 ++: : : : = | 140 ++: : : : = | O O: O O O O O O O O O O O O O O O O O O O = | 120 ++ : : : : = | 100 ++ : : : : = | | : : : : = | 80 ++ : : : : = | 60 ++ : : : : = | | : : : : = | 40 ++ :: : = | 20 ++ : : = | | : : = | 0 ++---*----------------------*----------------------------------------= -+ unixbench.score 3600 ++------------------------------------------------------------------= -+ 3400 ++ O O O O O = | O O O O O O O O O O OO O = | 3200 ++ O O O = | 3000 ++ = | 2800 ++ = | 2600 ++ = | | = | 2400 ++ = | 2200 ++ = | 2000 ++ = | 1800 ++ = | | = | 1600 *+*.*.**.*.*.*.*.*.*.**.*.*.*.*.*.**.*.*.*.*.*.**.*.*.*.*.*.*.**.*.*= .* 1400 ++------------------------------------------------------------------= -+ unixbench.time.user_time 24 ++--------------------------------------------------------------------= -+ | O O O O O O O OO O = | 22 O+ O O O O O O O = | | O O = | 20 ++ O = | | = | 18 ++ = | | = | 16 ++ = | | = | 14 ++ = | | .*. = | 12 ++ .**.* *. .*. = | *.*.*.*.*.* *.*.*.* *.*.**.*.*.*.*.*.*.*.*.*.*.**.*.*.*.*.*= .* 10 ++--------------------------------------------------------------------= -+ unixbench.time.system_time 390 ++-------------------------------------------------------------------= -+ *. .*.*.**.*.*. .*.*.*.**. .*.*.*.*.*.*.*.**.*.*.*.*.*.*.*.**.*.*.*= .* | * *.* * = | 385 ++ = | | = | | = | 380 ++ = | | O O O = | 375 O+ O O OO O O = | | O O O O O O = | | O O O = | 370 ++O = | | = | | O = | 365 ++-------------------------------------------------------------------= -+ unixbench.time.voluntary_context_switches 1.4e+08 ++---------------------------------------------------------------= -+ | O O O O OO = | 1.3e+08 O+ OO O O O OO O O O = | 1.2e+08 ++O O O O = | | = | 1.1e+08 ++ = | | = | 1e+08 ++ = | | = | 9e+07 ++ = | 8e+07 ++ = | | = | 7e+07 ++ = | *.*.* .*.*.**. .*.**.*.*.*.**. = | 6e+07 ++---*--------*-*---------------*-*-**-*-*-*-**-*-*-*-**-*-*-**-*= -* [*] bisect-good sample [O] bisect-bad sample To reproduce: git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tes= ts.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp run job.yaml Disclaimer: Results have been estimated based on internal Intel analysis and are provid= ed for informational purposes only. Any difference in system hardware or softw= are design or configuration may affect actual performance. 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