Re: [lkp] [lib] 6ffc77f48b: 15.8% aim9.shell_rtns_2.ops_per_sec, +8.7% unixbench.score

From: Andi Kleen
Date: Mon Feb 01 2016 - 00:42:13 EST

On Mon, Feb 01, 2016 at 09:08:44AM +0800, kernel test robot wrote:
> FYI, we noticed the below changes on
>
> https://github.com/0day-ci/linux Andi-Kleen/Optimize-int_sqrt-for-small-values-for-faster-idle/20160129-054629
> commit 6ffc77f48b85ed9ab9a7b2754a7b49891ebaff83 ("Optimize int_sqrt for small values for faster idle")
>
>
> =========================================================================================
> compiler/cpufreq_governor/kconfig/rootfs/tbox_group/test/testcase/testtime:
> gcc-4.9/performance/x86_64-rhel/debian-x86_64-2015-02-07.cgz/ivb43/shell_rtns_2/aim9/300s
>
> commit:
> v4.5-rc1
> 6ffc77f48b85ed9ab9a7b2754a7b49891ebaff83
>
> v4.5-rc1 6ffc77f48b85ed9ab9a7b2754a
> ---------------- --------------------------
> %stddev %change %stddev
> \ | \
> 383.55 ± 1% +15.8% 444.19 ± 0% aim9.shell_rtns_2.ops_per_sec

That means it is faster, right?

That's more than i expected.


-Andi

> 346042 ± 1% +15.7% 400253 ± 0% aim9.time.involuntary_context_switches
> 37653157 ± 1% +16.0% 43669205 ± 0% aim9.time.minor_page_faults
> 50.58 ± 1% +13.5% 57.41 ± 0% aim9.time.user_time
> 920242 ± 1% +15.6% 1063902 ± 0% aim9.time.voluntary_context_switches
> 165192 ± 0% -9.3% 149802 ± 0% meminfo.Committed_AS
> 858.50 ±112% +159.7% 2229 ± 2% numa-vmstat.node1.nr_inactive_anon
> 1903 ± 34% +49.7% 2850 ± 1% numa-vmstat.node1.nr_mapped
> 15155 ± 0% +3.0% 15608 ± 0% vmstat.system.cs
> 1900 ± 3% +8.5% 2061 ± 1% vmstat.system.in
> 1481 ±142% +243.8% 5094 ± 20% numa-meminfo.node1.AnonHugePages
> 3435 ±112% +159.6% 8918 ± 2% numa-meminfo.node1.Inactive(anon)
> 7619 ± 34% +49.7% 11403 ± 1% numa-meminfo.node1.Mapped
> 346042 ± 1% +15.7% 400253 ± 0% time.involuntary_context_switches
> 37653157 ± 1% +16.0% 43669205 ± 0% time.minor_page_faults
> 50.58 ± 1% +13.5% 57.41 ± 0% time.user_time
> 920242 ± 1% +15.6% 1063902 ± 0% time.voluntary_context_switches
> 32159302 ± 2% +16.1% 37352805 ± 0% proc-vmstat.numa_hit
> 32153109 ± 2% +16.2% 37346613 ± 0% proc-vmstat.numa_local
> 8294 ± 4% +10.3% 9146 ± 3% proc-vmstat.pgactivate
> 31753265 ± 2% +16.7% 37041704 ± 0% proc-vmstat.pgalloc_normal
> 38274072 ± 1% +15.7% 44274006 ± 0% proc-vmstat.pgfault
> 33586569 ± 2% +16.4% 39090694 ± 0% proc-vmstat.pgfree
> 2.15 ± 2% +31.0% 2.81 ± 1% turbostat.%Busy
> 69.83 ± 1% +21.0% 84.50 ± 1% turbostat.Avg_MHz
> 14.71 ± 30% +364.4% 68.29 ± 2% turbostat.CPU%c1
> 0.13 ±115% +4530.3% 5.86 ± 5% turbostat.CPU%c3
> 83.02 ± 5% -72.3% 23.04 ± 6% turbostat.CPU%c6
> 67.08 ± 1% +15.6% 77.53 ± 0% turbostat.CorWatt
> 13.68 ± 13% -96.9% 0.42 ±102% turbostat.Pkg%pc2
> 97.47 ± 0% +10.7% 107.90 ± 0% turbostat.PkgWatt
> 4.115e+08 ± 95% +1040.5% 4.693e+09 ± 3% cpuidle.C1-IVT.time
> 35607 ± 31% +459.1% 199082 ± 1% cpuidle.C1-IVT.usage
> 692205 ± 47% +1.4e+05% 9.935e+08 ± 2% cpuidle.C1E-IVT.time
> 1987 ± 17% +9685.5% 194454 ± 1% cpuidle.C1E-IVT.usage
> 17330705 ±111% +5212.9% 9.208e+08 ± 4% cpuidle.C3-IVT.time
> 6416 ± 72% +4164.8% 273664 ± 2% cpuidle.C3-IVT.usage
> 1.37e+10 ± 3% -45.7% 7.434e+09 ± 2% cpuidle.C6-IVT.time
> 2046699 ± 1% -20.6% 1625729 ± 2% cpuidle.C6-IVT.usage
> 9298422 ± 67% +725.2% 76732660 ± 5% cpuidle.POLL.time
> 21792 ± 13% -19.9% 17456 ± 6% cpuidle.POLL.usage
> 8535 ± 2% +8.7% 9274 ± 2% slabinfo.anon_vma.active_objs
> 8535 ± 2% +8.7% 9274 ± 2% slabinfo.anon_vma.num_objs
> 25398 ± 3% +22.3% 31057 ± 1% slabinfo.anon_vma_chain.active_objs
> 25427 ± 3% +22.5% 31141 ± 1% slabinfo.anon_vma_chain.num_objs
> 14169 ± 5% -13.4% 12270 ± 0% slabinfo.kmalloc-256.active_objs
> 14612 ± 5% -12.5% 12786 ± 0% slabinfo.kmalloc-256.num_objs
> 39366 ± 7% +40.7% 55384 ± 3% slabinfo.kmalloc-32.active_objs
> 307.00 ± 7% +41.3% 433.75 ± 3% slabinfo.kmalloc-32.active_slabs
> 39366 ± 7% +41.2% 55578 ± 3% slabinfo.kmalloc-32.num_objs
> 307.00 ± 7% +41.3% 433.75 ± 3% slabinfo.kmalloc-32.num_slabs
> 1087 ± 5% -9.7% 982.50 ± 1% slabinfo.mm_struct.active_objs
> 1087 ± 5% -9.7% 982.50 ± 1% slabinfo.mm_struct.num_objs
> 2313 ± 2% +12.8% 2609 ± 3% slabinfo.signal_cache.active_objs
> 2313 ± 2% +12.8% 2609 ± 3% slabinfo.signal_cache.num_objs
> 21538 ± 1% +17.1% 25215 ± 1% slabinfo.vm_area_struct.active_objs
> 21595 ± 1% +17.1% 25279 ± 1% slabinfo.vm_area_struct.num_objs
> 2.49 ± 16% +38.3% 3.44 ± 16% perf-profile.cycles-pp.__libc_fork
> 39.88 ± 9% -26.1% 29.47 ± 23% perf-profile.cycles-pp.call_cpuidle.cpu_startup_entry.start_secondary
> 43.97 ± 9% -24.6% 33.16 ± 21% perf-profile.cycles-pp.cpu_startup_entry.start_secondary
> 39.88 ± 9% -26.1% 29.46 ± 23% perf-profile.cycles-pp.cpuidle_enter.call_cpuidle.cpu_startup_entry.start_secondary
> 39.49 ± 9% -26.3% 29.10 ± 23% perf-profile.cycles-pp.cpuidle_enter_state.cpuidle_enter.call_cpuidle.cpu_startup_entry.start_secondary
> 2.55 ± 41% +81.3% 4.62 ± 29% perf-profile.cycles-pp.do_execveat_common.isra.35.sys_execve.return_from_execve
> 9.63 ± 15% +30.1% 12.53 ± 15% perf-profile.cycles-pp.do_page_fault.page_fault
> 3.14 ± 11% +58.7% 4.99 ± 20% perf-profile.cycles-pp.execve
> 0.75 ± 10% +31.3% 0.98 ± 11% perf-profile.cycles-pp.filename_lookup.user_path_at_empty.sys_access.entry_SYSCALL_64_fastpath
> 0.84 ± 13% +38.1% 1.16 ± 16% perf-profile.cycles-pp.free_pages_and_swap_cache.tlb_flush_mmu_free.tlb_finish_mmu.exit_mmap.mmput
> 8.60 ± 23% +37.6% 11.84 ± 11% perf-profile.cycles-pp.handle_mm_fault.__do_page_fault.do_page_fault.page_fault
> 40.37 ± 10% -26.5% 29.67 ± 23% perf-profile.cycles-pp.intel_idle.cpuidle_enter_state.cpuidle_enter.call_cpuidle.cpu_startup_entry
> 0.75 ± 16% +99.7% 1.51 ± 27% perf-profile.cycles-pp.load_elf_binary.search_binary_handler.load_script.search_binary_handler.do_execveat_common
> 0.84 ± 15% +94.7% 1.63 ± 27% perf-profile.cycles-pp.load_script.search_binary_handler.do_execveat_common.sys_execve.return_from_execve
> 0.71 ± 10% +30.9% 0.92 ± 12% perf-profile.cycles-pp.path_lookupat.filename_lookup.user_path_at_empty.sys_access.entry_SYSCALL_64_fastpath
> 0.75 ± 13% +39.9% 1.04 ± 16% perf-profile.cycles-pp.release_pages.free_pages_and_swap_cache.tlb_flush_mmu_free.tlb_finish_mmu.exit_mmap
> 2.15 ± 11% +51.3% 3.25 ± 20% perf-profile.cycles-pp.return_from_execve.execve
> 0.76 ± 16% +98.2% 1.51 ± 27% perf-profile.cycles-pp.search_binary_handler.load_script.search_binary_handler.do_execveat_common.sys_execve
> 44.09 ± 9% -24.5% 33.28 ± 21% perf-profile.cycles-pp.start_secondary
> 1.12 ± 6% +23.8% 1.39 ± 8% perf-profile.cycles-pp.sys_access.entry_SYSCALL_64_fastpath
> 2.13 ± 11% +53.6% 3.28 ± 19% perf-profile.cycles-pp.sys_execve.return_from_execve.execve
> 1.55 ± 90% +179.7% 4.33 ± 13% perf-profile.cycles-pp.sys_mmap.entry_SYSCALL_64_fastpath
> 0.80 ± 11% +31.0% 1.05 ± 11% perf-profile.cycles-pp.user_path_at_empty.sys_access.entry_SYSCALL_64_fastpath
> 4128 ± 9% +17.8% 4862 ± 4% sched_debug.cfs_rq:/.exec_clock.11
> 4062 ± 8% +18.4% 4809 ± 4% sched_debug.cfs_rq:/.exec_clock.12
> 4064 ± 13% +34.4% 5461 ± 27% sched_debug.cfs_rq:/.exec_clock.15
> 3879 ± 14% +41.0% 5469 ± 22% sched_debug.cfs_rq:/.exec_clock.18
> 3831 ± 12% +44.1% 5522 ± 26% sched_debug.cfs_rq:/.exec_clock.19
> 3881 ± 14% +18.1% 4582 ± 3% sched_debug.cfs_rq:/.exec_clock.20
> 3658 ± 14% -30.8% 2529 ± 18% sched_debug.cfs_rq:/.exec_clock.25
> 3756 ± 17% -31.4% 2575 ± 6% sched_debug.cfs_rq:/.exec_clock.26
> 3722 ± 15% -32.2% 2524 ± 10% sched_debug.cfs_rq:/.exec_clock.27
> 4727 ± 20% -31.5% 3240 ± 23% sched_debug.cfs_rq:/.exec_clock.28
> 4448 ± 13% +20.7% 5369 ± 9% sched_debug.cfs_rq:/.exec_clock.3
> 3768 ± 18% -32.1% 2559 ± 5% sched_debug.cfs_rq:/.exec_clock.30
> 3743 ± 16% -38.2% 2312 ± 3% sched_debug.cfs_rq:/.exec_clock.31
> 3675 ± 15% -31.9% 2501 ± 14% sched_debug.cfs_rq:/.exec_clock.32
> 3657 ± 14% -33.4% 2434 ± 7% sched_debug.cfs_rq:/.exec_clock.33
> 3653 ± 15% -27.1% 2663 ± 12% sched_debug.cfs_rq:/.exec_clock.34
> 3102 ± 19% -27.2% 2257 ± 2% sched_debug.cfs_rq:/.exec_clock.37
> 3262 ± 18% -30.5% 2269 ± 2% sched_debug.cfs_rq:/.exec_clock.39
> 3315 ± 16% -25.5% 2469 ± 8% sched_debug.cfs_rq:/.exec_clock.40
> 3250 ± 18% -29.6% 2287 ± 6% sched_debug.cfs_rq:/.exec_clock.43
> 3210 ± 13% -28.2% 2304 ± 5% sched_debug.cfs_rq:/.exec_clock.44
> 3140 ± 16% -25.7% 2332 ± 11% sched_debug.cfs_rq:/.exec_clock.46
> 4772 ± 9% -24.0% 3625 ± 7% sched_debug.cfs_rq:/.exec_clock.47
> 4293 ± 9% +23.1% 5283 ± 3% sched_debug.cfs_rq:/.exec_clock.5
> 2601 ± 10% -22.9% 2007 ± 6% sched_debug.cfs_rq:/.exec_clock.min
> 1245 ± 11% +37.0% 1706 ± 3% sched_debug.cfs_rq:/.exec_clock.stddev
> 4.50 ± 58% +883.3% 44.25 ±115% sched_debug.cfs_rq:/.load_avg.15
> 2.00 ±141% +2012.5% 42.25 ± 91% sched_debug.cfs_rq:/.load_avg.26
> 92810 ± 7% +24.5% 115532 ± 5% sched_debug.cfs_rq:/.min_vruntime.0
> 85375 ± 10% +16.7% 99616 ± 8% sched_debug.cfs_rq:/.min_vruntime.1
> 84119 ± 9% +17.3% 98679 ± 6% sched_debug.cfs_rq:/.min_vruntime.11
> 76159 ± 14% +26.3% 96158 ± 4% sched_debug.cfs_rq:/.min_vruntime.12
> 73708 ± 11% +22.3% 90163 ± 4% sched_debug.cfs_rq:/.min_vruntime.13
> 73462 ± 12% +22.8% 90186 ± 4% sched_debug.cfs_rq:/.min_vruntime.14
> 78532 ± 11% +18.3% 92890 ± 2% sched_debug.cfs_rq:/.min_vruntime.15
> 75619 ± 15% +23.4% 93308 ± 5% sched_debug.cfs_rq:/.min_vruntime.18
> 73782 ± 12% +26.1% 93064 ± 2% sched_debug.cfs_rq:/.min_vruntime.19
> 85825 ± 12% +16.9% 100371 ± 6% sched_debug.cfs_rq:/.min_vruntime.2
> 73784 ± 14% +26.7% 93455 ± 3% sched_debug.cfs_rq:/.min_vruntime.20
> 77996 ± 11% +25.4% 97835 ± 8% sched_debug.cfs_rq:/.min_vruntime.21
> 75401 ± 12% +24.0% 93489 ± 3% sched_debug.cfs_rq:/.min_vruntime.22
> 71851 ± 10% +25.9% 90432 ± 8% sched_debug.cfs_rq:/.min_vruntime.23
> 85321 ± 16% -25.5% 63569 ± 11% sched_debug.cfs_rq:/.min_vruntime.24
> 84385 ± 16% -37.7% 52578 ± 19% sched_debug.cfs_rq:/.min_vruntime.25
> 86487 ± 19% -38.7% 52989 ± 10% sched_debug.cfs_rq:/.min_vruntime.26
> 85768 ± 18% -40.0% 51463 ± 14% sched_debug.cfs_rq:/.min_vruntime.27
> 86568 ± 17% -35.1% 56182 ± 9% sched_debug.cfs_rq:/.min_vruntime.29
> 87224 ± 19% -38.6% 53580 ± 10% sched_debug.cfs_rq:/.min_vruntime.30
> 86397 ± 16% -44.6% 47867 ± 6% sched_debug.cfs_rq:/.min_vruntime.31
> 84687 ± 17% -39.7% 51047 ± 15% sched_debug.cfs_rq:/.min_vruntime.32
> 84737 ± 15% -43.4% 47972 ± 11% sched_debug.cfs_rq:/.min_vruntime.33
> 84538 ± 17% -37.4% 52927 ± 17% sched_debug.cfs_rq:/.min_vruntime.34
> 82873 ± 16% -37.1% 52164 ± 8% sched_debug.cfs_rq:/.min_vruntime.35
> 70798 ± 20% -27.7% 51222 ± 1% sched_debug.cfs_rq:/.min_vruntime.36
> 71650 ± 21% -35.4% 46267 ± 5% sched_debug.cfs_rq:/.min_vruntime.37
> 72302 ± 21% -36.2% 46131 ± 10% sched_debug.cfs_rq:/.min_vruntime.38
> 73956 ± 20% -39.9% 44478 ± 6% sched_debug.cfs_rq:/.min_vruntime.39
> 74719 ± 18% -35.9% 47906 ± 4% sched_debug.cfs_rq:/.min_vruntime.40
> 73599 ± 18% -41.1% 43371 ± 7% sched_debug.cfs_rq:/.min_vruntime.41
> 74129 ± 19% -35.8% 47573 ± 8% sched_debug.cfs_rq:/.min_vruntime.42
> 74757 ± 21% -37.4% 46822 ± 9% sched_debug.cfs_rq:/.min_vruntime.43
> 71249 ± 18% -38.7% 43668 ± 3% sched_debug.cfs_rq:/.min_vruntime.44
> 70889 ± 17% -33.9% 46869 ± 6% sched_debug.cfs_rq:/.min_vruntime.46
> 74088 ± 17% -38.5% 45599 ± 12% sched_debug.cfs_rq:/.min_vruntime.47
> 80424 ± 3% -8.9% 73252 ± 4% sched_debug.cfs_rq:/.min_vruntime.avg
> 105781 ± 3% +10.4% 116776 ± 4% sched_debug.cfs_rq:/.min_vruntime.max
> 57525 ± 10% -32.3% 38928 ± 4% sched_debug.cfs_rq:/.min_vruntime.min
> 14190 ± 24% +74.0% 24696 ± 1% sched_debug.cfs_rq:/.min_vruntime.stddev
> -7435 ±-42% +114.1% -15916 ±-24% sched_debug.cfs_rq:/.spread0.1
> -6966 ±-86% +135.3% -16394 ±-33% sched_debug.cfs_rq:/.spread0.10
> -7496 ±-108% +593.2% -51965 ± -6% sched_debug.cfs_rq:/.spread0.24
> -8433 ±-93% +646.5% -62957 ± -7% sched_debug.cfs_rq:/.spread0.25
> -6331 ±-163% +887.9% -62545 ± -7% sched_debug.cfs_rq:/.spread0.26
> -7049 ±-132% +808.8% -64072 ±-10% sched_debug.cfs_rq:/.spread0.27
> -4943 ±-273% +1076.4% -58160 ±-10% sched_debug.cfs_rq:/.spread0.28
> -6250 ±-142% +849.5% -59353 ± -5% sched_debug.cfs_rq:/.spread0.29
> -5595 ±-201% +1007.3% -61955 ± -6% sched_debug.cfs_rq:/.spread0.30
> -6423 ±-124% +953.4% -67668 ± -7% sched_debug.cfs_rq:/.spread0.31
> -8133 ±-103% +692.9% -64488 ± -7% sched_debug.cfs_rq:/.spread0.32
> -8083 ±-81% +735.9% -67563 ± -5% sched_debug.cfs_rq:/.spread0.33
> -8282 ±-100% +655.9% -62608 ± -9% sched_debug.cfs_rq:/.spread0.34
> -9948 ±-74% +537.0% -63371 ± -7% sched_debug.cfs_rq:/.spread0.35
> -22023 ±-94% +192.0% -64313 ±-10% sched_debug.cfs_rq:/.spread0.36
> -21171 ±-100% +227.2% -69269 ± -6% sched_debug.cfs_rq:/.spread0.37
> -20521 ±-103% +238.2% -69404 ± -7% sched_debug.cfs_rq:/.spread0.38
> -18866 ±-112% +276.6% -71058 ± -6% sched_debug.cfs_rq:/.spread0.39
> -18104 ±-110% +273.6% -67630 ±-11% sched_debug.cfs_rq:/.spread0.40
> -19223 ±-99% +275.4% -72165 ± -9% sched_debug.cfs_rq:/.spread0.41
> -18694 ±-109% +263.5% -67963 ±-11% sched_debug.cfs_rq:/.spread0.42
> -18066 ±-122% +280.3% -68713 ± -4% sched_debug.cfs_rq:/.spread0.43
> -21575 ±-87% +233.1% -71868 ± -7% sched_debug.cfs_rq:/.spread0.44
> -22907 ±-95% +196.5% -67923 ± -6% sched_debug.cfs_rq:/.spread0.45
> -21935 ±-83% +213.0% -68667 ± -9% sched_debug.cfs_rq:/.spread0.46
> -18737 ±-101% +273.3% -69937 ± -8% sched_debug.cfs_rq:/.spread0.47
> -3013 ±-283% +514.6% -18522 ±-37% sched_debug.cfs_rq:/.spread0.6
> -5884 ±-109% +282.8% -22524 ±-27% sched_debug.cfs_rq:/.spread0.7
> -7321 ±-61% +190.8% -21286 ±-17% sched_debug.cfs_rq:/.spread0.8
> -8126 ±-67% +148.3% -20175 ±-28% sched_debug.cfs_rq:/.spread0.9
> -12393 ±-54% +241.2% -42282 ±-11% sched_debug.cfs_rq:/.spread0.avg
> 12967 ± 38% -90.4% 1243 ± 81% sched_debug.cfs_rq:/.spread0.max
> -35294 ±-29% +117.1% -76608 ± -8% sched_debug.cfs_rq:/.spread0.min
> 14191 ± 24% +74.0% 24697 ± 1% sched_debug.cfs_rq:/.spread0.stddev
> 28.17 ± 19% +133.4% 65.75 ± 57% sched_debug.cfs_rq:/.util_avg.2
> 32.17 ± 42% -62.7% 12.00 ±113% sched_debug.cfs_rq:/.util_avg.40
> 51.00 ± 74% -82.4% 9.00 ± 47% sched_debug.cfs_rq:/.util_avg.45
> 980055 ± 1% -16.2% 821316 ± 7% sched_debug.cpu.avg_idle.2
> 974897 ± 2% -10.6% 872035 ± 6% sched_debug.cpu.avg_idle.21
> 970838 ± 3% -17.5% 800879 ± 9% sched_debug.cpu.avg_idle.24
> 922584 ± 5% -13.3% 799667 ± 6% sched_debug.cpu.avg_idle.25
> 939820 ± 6% -14.1% 807532 ± 4% sched_debug.cpu.avg_idle.26
> 972194 ± 3% -15.5% 821130 ± 8% sched_debug.cpu.avg_idle.27
> 943576 ± 4% -15.6% 795980 ± 8% sched_debug.cpu.avg_idle.28
> 972757 ± 4% -11.8% 858039 ± 7% sched_debug.cpu.avg_idle.29
> 935963 ± 4% -15.2% 793464 ± 3% sched_debug.cpu.avg_idle.31
> 961054 ± 4% -20.4% 765294 ± 7% sched_debug.cpu.avg_idle.32
> 953272 ± 4% -15.5% 805746 ± 1% sched_debug.cpu.avg_idle.33
> 957697 ± 3% -19.9% 767409 ± 9% sched_debug.cpu.avg_idle.35
> 976711 ± 2% -14.0% 840209 ± 6% sched_debug.cpu.avg_idle.39
> 944871 ± 3% -13.8% 814393 ± 4% sched_debug.cpu.avg_idle.40
> 944464 ± 4% -17.5% 779383 ± 4% sched_debug.cpu.avg_idle.42
> 960406 ± 4% -16.8% 799490 ± 11% sched_debug.cpu.avg_idle.43
> 915603 ± 5% -14.6% 781850 ± 8% sched_debug.cpu.avg_idle.44
> 954052 ± 4% -13.2% 827775 ± 5% sched_debug.cpu.avg_idle.46
> 950001 ± 2% -8.9% 865227 ± 0% sched_debug.cpu.avg_idle.avg
> 566441 ± 14% -31.7% 386678 ± 12% sched_debug.cpu.avg_idle.min
> 95996 ± 24% +77.9% 170770 ± 2% sched_debug.cpu.avg_idle.stddev
> 10.00 ± 19% +37.9% 13.79 ± 22% sched_debug.cpu.cpu_load[1].max
> 33187 ± 9% -12.3% 29089 ± 4% sched_debug.cpu.nr_load_updates.1
> 33201 ± 9% -14.1% 28515 ± 1% sched_debug.cpu.nr_load_updates.14
> 32980 ± 9% -15.6% 27828 ± 2% sched_debug.cpu.nr_load_updates.2
> 18677 ± 11% -33.2% 12473 ± 8% sched_debug.cpu.nr_load_updates.24
> 18489 ± 13% -41.7% 10787 ± 13% sched_debug.cpu.nr_load_updates.25
> 18563 ± 13% -43.2% 10537 ± 3% sched_debug.cpu.nr_load_updates.26
> 19106 ± 10% -44.0% 10694 ± 5% sched_debug.cpu.nr_load_updates.27
> 18840 ± 14% -39.1% 11482 ± 6% sched_debug.cpu.nr_load_updates.28
> 19114 ± 12% -39.8% 11513 ± 7% sched_debug.cpu.nr_load_updates.29
> 33625 ± 10% -13.2% 29191 ± 3% sched_debug.cpu.nr_load_updates.3
> 19486 ± 11% -42.0% 11305 ± 6% sched_debug.cpu.nr_load_updates.30
> 19086 ± 9% -46.3% 10242 ± 2% sched_debug.cpu.nr_load_updates.31
> 18883 ± 9% -43.0% 10772 ± 6% sched_debug.cpu.nr_load_updates.32
> 18809 ± 10% -42.5% 10815 ± 3% sched_debug.cpu.nr_load_updates.33
> 18641 ± 13% -37.1% 11717 ± 4% sched_debug.cpu.nr_load_updates.34
> 18649 ± 13% -41.6% 10892 ± 4% sched_debug.cpu.nr_load_updates.35
> 17519 ± 14% -36.1% 11197 ± 1% sched_debug.cpu.nr_load_updates.36
> 17605 ± 13% -41.2% 10358 ± 4% sched_debug.cpu.nr_load_updates.37
> 17665 ± 9% -41.1% 10402 ± 4% sched_debug.cpu.nr_load_updates.38
> 18083 ± 9% -46.4% 9697 ± 1% sched_debug.cpu.nr_load_updates.39
> 33633 ± 8% -16.6% 28066 ± 3% sched_debug.cpu.nr_load_updates.4
> 18017 ± 11% -41.3% 10576 ± 5% sched_debug.cpu.nr_load_updates.40
> 17842 ± 8% -46.1% 9614 ± 3% sched_debug.cpu.nr_load_updates.41
> 17845 ± 10% -39.4% 10814 ± 10% sched_debug.cpu.nr_load_updates.42
> 17710 ± 12% -42.2% 10238 ± 4% sched_debug.cpu.nr_load_updates.43
> 17732 ± 9% -41.9% 10307 ± 3% sched_debug.cpu.nr_load_updates.44
> 17219 ± 13% -35.3% 11147 ± 10% sched_debug.cpu.nr_load_updates.45
> 17973 ± 6% -40.7% 10665 ± 6% sched_debug.cpu.nr_load_updates.46
> 17454 ± 7% -42.7% 10006 ± 9% sched_debug.cpu.nr_load_updates.47
> 33843 ± 8% -17.7% 27852 ± 2% sched_debug.cpu.nr_load_updates.5
> 33752 ± 6% -18.6% 27463 ± 1% sched_debug.cpu.nr_load_updates.6
> 33530 ± 7% -20.6% 26609 ± 0% sched_debug.cpu.nr_load_updates.7
> 33082 ± 7% -17.8% 27202 ± 1% sched_debug.cpu.nr_load_updates.8
> 25769 ± 3% -22.9% 19863 ± 1% sched_debug.cpu.nr_load_updates.avg
> 38510 ± 3% -15.1% 32687 ± 2% sched_debug.cpu.nr_load_updates.max
> 15222 ± 10% -41.0% 8984 ± 2% sched_debug.cpu.nr_load_updates.min
> 8024 ± 3% +15.1% 9238 ± 0% sched_debug.cpu.nr_load_updates.stddev
> 70059 ± 11% +18.0% 82660 ± 1% sched_debug.cpu.nr_switches.0
> 68459 ± 13% +20.8% 82677 ± 6% sched_debug.cpu.nr_switches.19
> 67062 ± 8% +30.8% 87722 ± 12% sched_debug.cpu.nr_switches.21
> 65279 ± 12% +35.1% 88170 ± 15% sched_debug.cpu.nr_switches.22
> 27625 ± 9% -20.7% 21898 ± 4% sched_debug.cpu.nr_switches.26
> 29791 ± 9% -24.7% 22431 ± 6% sched_debug.cpu.nr_switches.27
> 30900 ± 5% -21.5% 24260 ± 13% sched_debug.cpu.nr_switches.30
> 29669 ± 7% -22.8% 22918 ± 15% sched_debug.cpu.nr_switches.31
> 30269 ± 6% -24.3% 22926 ± 4% sched_debug.cpu.nr_switches.32
> 29870 ± 9% -23.0% 22992 ± 3% sched_debug.cpu.nr_switches.33
> 29304 ± 16% -20.1% 23410 ± 7% sched_debug.cpu.nr_switches.35
> 28165 ± 6% -20.9% 22271 ± 6% sched_debug.cpu.nr_switches.38
> 29903 ± 3% -26.0% 22122 ± 22% sched_debug.cpu.nr_switches.39
> 29541 ± 6% -30.0% 20684 ± 13% sched_debug.cpu.nr_switches.41
> 30230 ± 7% -22.8% 23349 ± 14% sched_debug.cpu.nr_switches.42
> 28699 ± 7% -22.5% 22246 ± 4% sched_debug.cpu.nr_switches.44
> 30831 ± 13% -25.7% 22905 ± 9% sched_debug.cpu.nr_switches.46
> 31671 ± 18% -30.8% 21925 ± 11% sched_debug.cpu.nr_switches.47
> 23090 ± 3% -23.9% 17565 ± 2% sched_debug.cpu.nr_switches.min
> 20540 ± 5% +29.4% 26576 ± 1% sched_debug.cpu.nr_switches.stddev
> -10.50 ±-41% +71.4% -18.00 ±-18% sched_debug.cpu.nr_uninterruptible.0
> -1.17 ±-378% +714.3% -9.50 ±-42% sched_debug.cpu.nr_uninterruptible.19
> -0.67 ±-320% +1025.0% -7.50 ±-56% sched_debug.cpu.nr_uninterruptible.20
> -0.17 ±-538% +6950.0% -11.75 ±-76% sched_debug.cpu.nr_uninterruptible.21
> 2.67 ± 63% +171.9% 7.25 ± 39% sched_debug.cpu.nr_uninterruptible.25
> 2.17 ± 97% +246.2% 7.50 ± 29% sched_debug.cpu.nr_uninterruptible.27
> 3.00 ±101% +183.3% 8.50 ± 30% sched_debug.cpu.nr_uninterruptible.29
> 2.33 ±106% +178.6% 6.50 ± 17% sched_debug.cpu.nr_uninterruptible.30
> 1.67 ±206% +320.0% 7.00 ± 31% sched_debug.cpu.nr_uninterruptible.33
> 2.50 ±125% +250.0% 8.75 ± 30% sched_debug.cpu.nr_uninterruptible.34
> 2.83 ± 74% +226.5% 9.25 ± 27% sched_debug.cpu.nr_uninterruptible.36
> 2.83 ± 51% +173.5% 7.75 ± 10% sched_debug.cpu.nr_uninterruptible.37
> 1.83 ±115% +377.3% 8.75 ± 16% sched_debug.cpu.nr_uninterruptible.38
> 3.00 ± 47% +150.0% 7.50 ± 35% sched_debug.cpu.nr_uninterruptible.39
> 2.17 ± 62% +350.0% 9.75 ± 15% sched_debug.cpu.nr_uninterruptible.40
> 2.67 ± 59% +200.0% 8.00 ± 17% sched_debug.cpu.nr_uninterruptible.42
> -1.20 ±-275% +483.3% -7.00 ±-26% sched_debug.cpu.nr_uninterruptible.8
> 8.14 ± 16% +80.2% 14.67 ± 5% sched_debug.cpu.nr_uninterruptible.max
> -16.11 ±-20% +56.5% -25.21 ±-15% sched_debug.cpu.nr_uninterruptible.min
> 5.17 ± 18% +89.8% 9.81 ± 5% sched_debug.cpu.nr_uninterruptible.stddev
> 67076 ± 8% +36.6% 91617 ± 12% sched_debug.cpu.sched_count.21
> 28419 ± 8% -22.9% 21908 ± 4% sched_debug.cpu.sched_count.26
> 29800 ± 9% -24.7% 22440 ± 6% sched_debug.cpu.sched_count.27
> 30909 ± 5% -18.6% 25155 ± 11% sched_debug.cpu.sched_count.30
> 30323 ± 8% -24.4% 22929 ± 15% sched_debug.cpu.sched_count.31
> 30278 ± 6% -24.3% 22935 ± 4% sched_debug.cpu.sched_count.32
> 29879 ± 9% -19.5% 24052 ± 10% sched_debug.cpu.sched_count.33
> 29314 ± 16% -20.1% 23419 ± 7% sched_debug.cpu.sched_count.35
> 28174 ± 6% -20.9% 22281 ± 6% sched_debug.cpu.sched_count.38
> 29913 ± 3% -26.0% 22134 ± 22% sched_debug.cpu.sched_count.39
> 29551 ± 6% -30.0% 20693 ± 13% sched_debug.cpu.sched_count.41
> 30241 ± 7% -22.8% 23358 ± 14% sched_debug.cpu.sched_count.42
> 28709 ± 7% -22.5% 22255 ± 4% sched_debug.cpu.sched_count.44
> 30840 ± 13% -25.7% 22913 ± 9% sched_debug.cpu.sched_count.46
> 31684 ± 18% -30.8% 21934 ± 11% sched_debug.cpu.sched_count.47
> 23099 ± 3% -23.9% 17574 ± 2% sched_debug.cpu.sched_count.min
> 31945 ± 13% +18.5% 37850 ± 6% sched_debug.cpu.sched_goidle.19
> 30731 ± 8% +29.2% 39695 ± 11% sched_debug.cpu.sched_goidle.21
> 29857 ± 13% +38.4% 41325 ± 16% sched_debug.cpu.sched_goidle.22
> 12490 ± 11% -23.1% 9605 ± 3% sched_debug.cpu.sched_goidle.26
> 13340 ± 11% -26.5% 9799 ± 5% sched_debug.cpu.sched_goidle.27
> 13706 ± 8% -24.1% 10396 ± 10% sched_debug.cpu.sched_goidle.30
> 13151 ± 9% -22.9% 10139 ± 16% sched_debug.cpu.sched_goidle.31
> 13358 ± 8% -25.4% 9966 ± 4% sched_debug.cpu.sched_goidle.32
> 13123 ± 10% -25.2% 9820 ± 4% sched_debug.cpu.sched_goidle.33
> 13108 ± 13% -22.4% 10174 ± 7% sched_debug.cpu.sched_goidle.35
> 12183 ± 6% -22.4% 9458 ± 6% sched_debug.cpu.sched_goidle.38
> 12693 ± 6% -28.7% 9047 ± 13% sched_debug.cpu.sched_goidle.41
> 12945 ± 8% -23.3% 9934 ± 13% sched_debug.cpu.sched_goidle.42
> 12450 ± 7% -23.7% 9505 ± 3% sched_debug.cpu.sched_goidle.44
> 13236 ± 12% -26.5% 9728 ± 9% sched_debug.cpu.sched_goidle.46
> 14021 ± 23% -33.7% 9299 ± 11% sched_debug.cpu.sched_goidle.47
> 10147 ± 5% -24.8% 7633 ± 1% sched_debug.cpu.sched_goidle.min
> 10080 ± 5% +25.3% 12626 ± 1% sched_debug.cpu.sched_goidle.stddev
> 24925 ± 16% +35.6% 33805 ± 12% sched_debug.cpu.ttwu_count.19
> 9941 ± 27% -33.3% 6634 ± 15% sched_debug.cpu.ttwu_count.25
> 9312 ± 12% -30.2% 6496 ± 6% sched_debug.cpu.ttwu_count.27
> 10973 ± 21% -34.3% 7215 ± 8% sched_debug.cpu.ttwu_count.29
> 8854 ± 9% -24.9% 6652 ± 2% sched_debug.cpu.ttwu_count.31
> 9747 ± 16% -29.1% 6909 ± 5% sched_debug.cpu.ttwu_count.32
> 11309 ± 18% -33.0% 7579 ± 19% sched_debug.cpu.ttwu_count.40
> 9685 ± 14% -30.4% 6741 ± 7% sched_debug.cpu.ttwu_count.43
> 17375 ± 62% -58.6% 7191 ± 16% sched_debug.cpu.ttwu_count.47
> 7059 ± 5% -23.9% 5373 ± 3% sched_debug.cpu.ttwu_count.min
> 7971 ± 16% +34.5% 10722 ± 4% sched_debug.cpu.ttwu_local.0
> 5557 ± 10% +23.1% 6839 ± 6% sched_debug.cpu.ttwu_local.1
> 6025 ± 23% +32.2% 7968 ± 7% sched_debug.cpu.ttwu_local.12
> 5675 ± 17% +24.5% 7066 ± 8% sched_debug.cpu.ttwu_local.13
> 6633 ± 17% +27.9% 8486 ± 3% sched_debug.cpu.ttwu_local.19
> 6719 ± 16% +42.7% 9586 ± 15% sched_debug.cpu.ttwu_local.21
> 5919 ± 14% +21.1% 7165 ± 13% sched_debug.cpu.ttwu_local.3
> 4183 ± 19% -38.3% 2582 ± 7% sched_debug.cpu.ttwu_local.39
> 5434 ± 11% +30.9% 7115 ± 10% sched_debug.cpu.ttwu_local.4
> 4196 ± 25% -37.6% 2616 ± 12% sched_debug.cpu.ttwu_local.41
> 5914 ± 13% +16.0% 6863 ± 3% sched_debug.cpu.ttwu_local.6
> 6296 ± 18% +24.6% 7842 ± 9% sched_debug.cpu.ttwu_local.9
> 1882 ± 7% +27.0% 2390 ± 1% sched_debug.cpu.ttwu_local.stddev
>
> =========================================================================================
> compiler/disk/filesize/fs/iterations/kconfig/nr_directories/nr_files_per_directory/nr_threads/rootfs/sync_method/tbox_group/test_size/testcase:
> gcc-4.9/1HDD/8K/f2fs/1x/x86_64-rhel/16d/256fpd/32t/debian-x86_64-2015-02-07.cgz/fsyncBeforeClose/nhm4/400M/fsmark
>
> commit:
> v4.5-rc1
> 6ffc77f48b85ed9ab9a7b2754a7b49891ebaff83
>
> v4.5-rc1 6ffc77f48b85ed9ab9a7b2754a
> ---------------- --------------------------
> %stddev %change %stddev
> \ | \
> 4680516 ± 8% +14.5% 5359884 ± 4% fsmark.app_overhead
> 525.77 ± 0% +4.6% 550.12 ± 0% fsmark.files_per_sec
> 19446 ± 1% -9.8% 17546 ± 0% fsmark.time.involuntary_context_switches
> 14.00 ± 0% -17.9% 11.50 ± 4% fsmark.time.percent_of_cpu_this_job_got
> 463972 ± 0% -6.8% 432399 ± 0% fsmark.time.voluntary_context_switches
> 251.60 ±200% +2104.3% 5546 ±100% latency_stats.sum.wait_on_page_bit.f2fs_wait_on_page_writeback.[f2fs].f2fs_wait_on_page_writeback.[f2fs].__f2fs_add_link.[f2fs].f2fs_mkdir.[f2fs].vfs_mkdir.SyS_mkdir.entry_SYSCALL_64_fastpath
> 18701 ± 0% -11.2% 16611 ± 1% proc-vmstat.pgactivate
> 25317 ± 0% +11.2% 28145 ± 0% softirqs.BLOCK
> 267.69 ± 2% -12.5% 234.29 ± 1% uptime.idle
> 6510 ± 0% +4.0% 6770 ± 0% vmstat.io.bo
> 19446 ± 1% -9.8% 17546 ± 0% time.involuntary_context_switches
> 14.00 ± 0% -17.9% 11.50 ± 4% time.percent_of_cpu_this_job_got
> 13.89 ± 0% -22.9% 10.71 ± 0% time.system_time
> 0.59 ± 6% -18.3% 0.48 ± 3% time.user_time
> 24.32 ± 0% +17.5% 28.57 ± 0% turbostat.%Busy
> 792.00 ± 1% +19.5% 946.75 ± 0% turbostat.Avg_MHz
> 22.05 ± 0% +142.3% 53.42 ± 0% turbostat.CPU%c1
> 44.77 ± 0% -70.4% 13.25 ± 2% turbostat.CPU%c3
> 8.87 ± 5% -46.4% 4.76 ± 1% turbostat.CPU%c6
> 18381428 ± 3% +761.8% 1.584e+08 ± 0% cpuidle.C1-NHM.time
> 32978 ± 1% +191.0% 95971 ± 0% cpuidle.C1-NHM.usage
> 24159280 ± 1% +268.7% 89074691 ± 1% cpuidle.C1E-NHM.time
> 39453 ± 0% +31.4% 51846 ± 1% cpuidle.C1E-NHM.usage
> 3.87e+08 ± 0% -48.4% 1.998e+08 ± 0% cpuidle.C3-NHM.time
> 209952 ± 0% -41.9% 122009 ± 0% cpuidle.C3-NHM.usage
> 1.726e+08 ± 2% -45.9% 93298544 ± 2% cpuidle.C6-NHM.time
> 84430 ± 1% -50.4% 41860 ± 1% cpuidle.C6-NHM.usage
> 1.748e+08 ± 0% +15.4% 2.018e+08 ± 0% cpuidle.POLL.time
> 120026 ± 0% +32.3% 158824 ± 0% cpuidle.POLL.usage
> 1432 ± 52% -34.0% 945.59 ± 7% sched_debug.cfs_rq:/.exec_clock.1
> 1099 ± 7% -17.3% 909.21 ± 7% sched_debug.cfs_rq:/.exec_clock.2
> 1102 ± 4% -19.5% 887.21 ± 4% sched_debug.cfs_rq:/.exec_clock.3
> 2120 ± 44% -70.8% 618.32 ± 6% sched_debug.cfs_rq:/.exec_clock.4
> 741.50 ± 6% -19.6% 595.94 ± 9% sched_debug.cfs_rq:/.exec_clock.5
> 848.32 ± 12% -17.9% 696.64 ± 14% sched_debug.cfs_rq:/.exec_clock.7
> 1242 ± 0% -12.2% 1091 ± 0% sched_debug.cfs_rq:/.exec_clock.avg
> 706.35 ± 2% -19.0% 572.30 ± 5% sched_debug.cfs_rq:/.exec_clock.min
> 696.95 ± 12% +26.4% 881.26 ± 3% sched_debug.cfs_rq:/.exec_clock.stddev
> 80.73 ± 17% +31.5% 106.16 ± 16% sched_debug.cfs_rq:/.load_avg.avg
> 3549 ± 15% +37.7% 4888 ± 7% sched_debug.cfs_rq:/.min_vruntime.0
> 3473 ± 25% -52.9% 1636 ± 15% sched_debug.cfs_rq:/.min_vruntime.4
> 2195 ± 19% -24.9% 1649 ± 14% sched_debug.cfs_rq:/.min_vruntime.5
> 2198 ± 16% -22.2% 1711 ± 15% sched_debug.cfs_rq:/.min_vruntime.7
> 2703 ± 0% -10.5% 2419 ± 0% sched_debug.cfs_rq:/.min_vruntime.avg
> 4291 ± 8% +13.9% 4888 ± 7% sched_debug.cfs_rq:/.min_vruntime.max
> 1806 ± 5% -21.1% 1424 ± 5% sched_debug.cfs_rq:/.min_vruntime.min
> 788.12 ± 11% +30.8% 1030 ± 14% sched_debug.cfs_rq:/.min_vruntime.stddev
> -577.72 ±-184% +349.5% -2596 ±-25% sched_debug.cfs_rq:/.spread0.1
> -798.00 ±-80% +189.1% -2306 ±-17% sched_debug.cfs_rq:/.spread0.2
> -1088 ±-70% +121.2% -2408 ±-15% sched_debug.cfs_rq:/.spread0.3
> -77.23 ±-1651% +4110.9% -3251 ±-17% sched_debug.cfs_rq:/.spread0.4
> -1355 ±-11% +139.0% -3239 ±-16% sched_debug.cfs_rq:/.spread0.5
> -846.87 ±-66% +191.5% -2469 ±-15% sched_debug.cfs_rq:/.spread0.avg
> -1744 ±-34% +98.5% -3463 ±-13% sched_debug.cfs_rq:/.spread0.min
> 788.41 ± 11% +30.8% 1031 ± 14% sched_debug.cfs_rq:/.spread0.stddev
> 166.83 ± 33% +86.1% 310.50 ± 55% sched_debug.cfs_rq:/.util_avg.5
> 633424 ± 20% +36.3% 863396 ± 13% sched_debug.cpu.avg_idle.7
> 359464 ± 23% +34.2% 482294 ± 17% sched_debug.cpu.avg_idle.min
> 0.75 ±110% +300.0% 3.00 ± 81% sched_debug.cpu.cpu_load[1].3
> 0.50 ±100% +450.0% 2.75 ± 69% sched_debug.cpu.cpu_load[2].3
> 0.50 ±173% +500.0% 3.00 ± 52% sched_debug.cpu.cpu_load[3].3
> 0.25 ±173% +1300.0% 3.50 ± 58% sched_debug.cpu.cpu_load[4].3
> 6351 ± 12% -30.0% 4445 ± 2% sched_debug.cpu.nr_load_updates.4
> 37017 ± 6% +11.2% 41155 ± 7% sched_debug.cpu.nr_switches.7
> 13595 ± 8% +14.2% 15525 ± 7% sched_debug.cpu.nr_switches.stddev
> -2130 ± -4% -17.3% -1761 ± -4% sched_debug.cpu.nr_uninterruptible.0
> -337.83 ±-28% -42.9% -192.75 ±-15% sched_debug.cpu.nr_uninterruptible.2
> 784.00 ± 9% -30.2% 547.25 ± 19% sched_debug.cpu.nr_uninterruptible.5
> 926.00 ± 7% -25.6% 688.50 ± 2% sched_debug.cpu.nr_uninterruptible.max
> -2129 ± -4% -17.3% -1760 ± -4% sched_debug.cpu.nr_uninterruptible.min
> 959.80 ± 5% -20.8% 759.81 ± 2% sched_debug.cpu.nr_uninterruptible.stddev
> 37044 ± 6% +11.2% 41177 ± 7% sched_debug.cpu.sched_count.7
> 14921 ± 8% +16.0% 17307 ± 9% sched_debug.cpu.sched_goidle.7
> 21799 ± 4% +10.5% 24078 ± 1% sched_debug.cpu.ttwu_count.stddev
> 22901 ± 2% +12.5% 25754 ± 4% sched_debug.cpu.ttwu_local.0
> 4759 ± 11% -27.2% 3465 ± 3% sched_debug.cpu.ttwu_local.4
> 22984 ± 1% +12.4% 25827 ± 4% sched_debug.cpu.ttwu_local.max
> 6202 ± 1% +16.4% 7217 ± 5% sched_debug.cpu.ttwu_local.stddev
>
> =========================================================================================
> compiler/cpufreq_governor/kconfig/nr_task/rootfs/tbox_group/test/testcase:
> gcc-4.9/performance/x86_64-rhel/1/debian-x86_64-2015-02-07.cgz/lkp-ivb-d02/execl/unixbench
>
> commit:
> v4.5-rc1
> 6ffc77f48b85ed9ab9a7b2754a7b49891ebaff83
>
> v4.5-rc1 6ffc77f48b85ed9ab9a7b2754a
> ---------------- --------------------------
> %stddev %change %stddev
> \ | \
> 1260 ± 0% +8.7% 1369 ± 0% unixbench.score
> 484658 ± 0% +8.7% 526705 ± 0% unixbench.time.involuntary_context_switches
> 22562139 ± 0% +8.7% 24527176 ± 0% unixbench.time.minor_page_faults
> 515.20 ± 3% +84.1% 948.25 ± 2% time.voluntary_context_switches
> 17071 ± 0% +7.9% 18427 ± 0% vmstat.system.cs
> 2842 ± 2% +110.9% 5993 ± 0% vmstat.system.in
> 40099209 ± 5% +367.2% 1.873e+08 ± 4% cpuidle.C1E-IVB.time
> 314651 ± 5% +221.5% 1011451 ± 0% cpuidle.C1E-IVB.usage
> 48936191 ± 9% -66.3% 16512783 ± 27% cpuidle.C3-IVB.time
> 141452 ± 9% -79.3% 29263 ± 29% cpuidle.C3-IVB.usage
> 2.177e+08 ± 3% -55.1% 97821419 ± 4% cpuidle.C6-IVB.time
> 292192 ± 3% -82.4% 51299 ± 15% cpuidle.C6-IVB.usage
> 142094 ± 2% +14.3% 162480 ± 1% sched_debug.cpu.nr_switches.0
> 150091 ± 2% +13.5% 170367 ± 1% sched_debug.cpu.sched_count.0
> 153262 ± 3% +11.2% 170368 ± 1% sched_debug.cpu.sched_count.max
> 51184 ± 4% +16.6% 59659 ± 2% sched_debug.cpu.sched_goidle.0
> 41761 ± 5% +8.2% 45170 ± 3% sched_debug.cpu.sched_goidle.min
> 40770 ± 4% +14.0% 46477 ± 6% sched_debug.cpu.ttwu_count.min
> 43310 ± 3% +12.5% 48739 ± 0% sched_debug.cpu.ttwu_local.0
> 35767 ± 1% +11.3% 39826 ± 2% sched_debug.cpu.ttwu_local.3
> 22.72 ± 0% +5.6% 23.99 ± 0% turbostat.%Busy
> 747.40 ± 0% +5.7% 789.75 ± 0% turbostat.Avg_MHz
> 41.33 ± 2% +60.1% 66.16 ± 0% turbostat.CPU%c1
> 25.99 ± 3% -96.0% 1.03 ± 26% turbostat.CPU%c3
> 9.96 ± 1% -11.4% 8.83 ± 2% turbostat.CPU%c6
> 10.22 ± 0% +7.2% 10.96 ± 0% turbostat.CorWatt
> 0.22 ± 49% +273.9% 0.83 ± 50% turbostat.Pkg%pc3
> 8.98 ± 2% -16.2% 7.53 ± 5% turbostat.Pkg%pc6
> 27.07 ± 0% +2.7% 27.81 ± 0% turbostat.PkgWatt
>
>
> ivb43: Ivytown Ivy Bridge-EP
> Memory: 64G
>
> nhm4: Nehalem
> Memory: 4G
>
> lkp-ivb-d02: Ivy Bridge
> Memory: 8G
>
> fsmark.time.percent_of_cpu_this_job_got
>
> 14 *+-*--*--*--*--*--*--*--*--*--*-----*-*-----*--*--*--*--*--*--*--*--*--*
> | .. .. |
> 13 ++ * * |
> 12 ++ O O O O |
> | |
> 11 ++ O O O O O O O O O O O O |
> | |
> 10 ++ |
> | |
> 9 ++ |
> 8 ++ |
> | |
> 7 ++ O O |
> | |
> 6 O+-O--O-----O-----O----------------------------------------------------+
>
>
> cpuidle.C1-NHM.time
>
> 2.5e+08 ++-O--O----O-----O------------------------------------------------+
> O O O |
> | |
> 2e+08 ++ |
> | |
> | O O O O O O O O O O O O O O O O |
> 1.5e+08 ++ |
> | |
> 1e+08 ++ |
> | |
> | |
> 5e+07 ++ |
> | |
> *..*..*.*..*..*..*.*..*..*..*.*..*..*..*.*..*..*..*.*..*..*..*.*..*
> 0 ++----------------------------------------------------------------+
>
>
> cpuidle.C1-NHM.usage
>
> 120000 O+-O---------------------------------------------------------------+
> | O O O O O |
> 110000 ++ |
> 100000 ++ O O O |
> | O O O O O O O O O O O O O |
> 90000 ++ |
> 80000 ++ |
> | |
> 70000 ++ |
> 60000 ++ |
> | |
> 50000 ++ |
> 40000 ++ *.. *.. |
> | .*.. .. .. .*.. .*..|
> 30000 *+-*--*----*--*--*--*-*--*--*-----*-*-----*--*-*-----*--*--*-*-----*
>
>
> cpuidle.C1E-NHM.time
>
> 1e+08 ++------------------------------------------------------------------+
> | |
> 9e+07 ++ O O O O O O O O O O O O O O O O |
> 8e+07 O+ O O O O O O |
> | |
> 7e+07 ++ |
> | |
> 6e+07 ++ |
> | |
> 5e+07 ++ |
> 4e+07 ++ |
> | |
> 3e+07 ++ .*.. .*.. |
> *..*..*..*.*..*..*..*..*..*.*. *..*. *.*..*..*..*..*..*.*..*..*
> 2e+07 ++------------------------------------------------------------------+
>
>
> cpuidle.C3-NHM.time
>
> 4.5e+08 ++----------------------------------------------------------------+
> | |
> 4e+08 ++ .*..*.*..*..*..*.*..*..*..*. |
> *..*..*.*..*. *..*..*..*.*..*..*..*.*..*
> | |
> 3.5e+08 ++ |
> | |
> 3e+08 ++ |
> | |
> 2.5e+08 ++ |
> | |
> | O O |
> 2e+08 O+ O O O O O O O O O O O O O O O O O |
> | O O O |
> 1.5e+08 ++----------------------------------------------------------------+
>
>
> cpuidle.C3-NHM.usage
>
> 280000 ++-----------------------------------------------------------------+
> | * * |
> 260000 ++ : : : : |
> 240000 ++ : : : : |
> | : : : : |
> 220000 *+.*.. .*..*..*..*..*.*..*..* *.* *..*. .*..*..*..*. .*..*
> 200000 ++ * *. *. |
> | |
> 180000 ++ |
> 160000 ++ |
> | O |
> 140000 O+ |
> 120000 ++ O O O O O O O O O O O O O O O |
> | O O O O O O |
> 100000 ++-----------------------------------------------------------------+
>
>
> cpuidle.C6-NHM.time
>
> 2e+08 ++----------------------------------------------------------------+
> | |
> 1.8e+08 ++ .* *.. .*.. .* |
> *..*. + .*..*. .. .* *..*.. *..*. .*..*. + |
> | *..*. * *. : + + *.*. *..*
> 1.6e+08 ++ : + * |
> | * |
> 1.4e+08 ++ |
> | |
> 1.2e+08 ++ |
> | |
> | O |
> 1e+08 ++ O O O O O O O O O |
> | O O O O O O O O O O |
> 8e+07 O+----O----------O------------------------------------------------+
>
>
> cpuidle.C6-NHM.usage
>
> 90000 ++---------------------*--------------------------------------------+
> *..*..*.. .*..*.. .. .*.. .*..*..*..*.*..*.. .*..*.*.. |
> 80000 ++ *.*. * * *. *..*. *..*
> | |
> | |
> 70000 ++ |
> | |
> 60000 ++ |
> | |
> 50000 ++ |
> | |
> | O O O O O O O O O O O O O O O O O |
> 40000 O+ O O O O O |
> | |
> 30000 ++------------------------------------------------------------------+
>
>
>
> aim9.shell_rtns_2.ops_per_sec
>
> 460 ++--------------------------------------------------------------------+
> | O |
> 450 O+ O O O O O O O O O |
> 440 ++ O O O O O O O O O |
> | O |
> 430 ++ |
> 420 ++ |
> | |
> 410 ++ |
> 400 ++ * |
> | *.. : : *.. *..|
> 390 ++ + *. : : + *. : *
> 380 *+. + *.. .*.*..*..*.*..*..* : .*. + *.. : |
> | *.* *..*. *. *..* *..* |
> 370 ++--------------------------------------------------------------------+
>
>
> aim9.time.user_time
>
> 58 ++-------------------------------O-------------------------------------+
> | O O O O O O O O O O O O O O O O O |
> 57 O+ O |
> 56 ++ O |
> | |
> 55 ++ |
> 54 ++ |
> | |
> 53 ++ |
> 52 ++ * |
> | *.. + + *. *..|
> 51 ++ + *.. + + + *.. : *
> 50 *+.*. + * *..*..*.*..*.. .*.* *.*..*.. + *..*.. : |
> | * + .. *. * * |
> 49 ++--------------*------------------------------------------------------+
>
>
> aim9.time.minor_page_faults
>
> 4.5e+07 ++----------------------------------------------------------------+
> O O |
> 4.4e+07 ++ O O O O O O O O O O O O O O O O O |
> 4.3e+07 ++ O O |
> | |
> 4.2e+07 ++ |
> 4.1e+07 ++ |
> | |
> 4e+07 ++ |
> 3.9e+07 ++ * |
> | *. : + *. *..|
> 3.8e+07 ++ .. *.. .*..*.*.. : + .. *.. + *
> 3.7e+07 *+.*.* *.*..* *.*..*..* *.*..*.* *.*..* |
> | |
> 3.6e+07 ++----------------------------------------------------------------+
>
>
> aim9.time.voluntary_context_switches
>
> 1.1e+06 ++---------------------------------------------------------------+
> 1.08e+06 ++ O |
> O O O O O O O O O |
> 1.06e+06 ++ O O O O O O O O O O |
> 1.04e+06 ++ O |
> | |
> 1.02e+06 ++ |
> 1e+06 ++ |
> 980000 ++ |
> | |
> 960000 ++ * |
> 940000 ++ *. + : *.. *.|
> | + *.. .*.*.. + : : *. + *
> 920000 *+. + *. .*. *.*..*.* *..*. : *.. + |
> 900000 ++-*-*---------*--*--------------------------*--*---------*-*----+
>
>
> aim9.time.involuntary_context_switches
>
> 420000 ++-----------------------------------------------------------------+
> | |
> 410000 O+ O O O O O |
> 400000 ++ O O O O O O O O O O |
> | O O O O O |
> 390000 ++ |
> | |
> 380000 ++ |
> | |
> 370000 ++ |
> 360000 ++ * |
> | *. + : *. *..|
> 350000 ++ + *..*. .*.*..*.*..*..*. + : + *.. : *
> *.. + *..*. * *..*. + *. : |
> 340000 ++-*-*----------------------------------------*--*---------*--*----+
>
>
> unixbench.score
>
> 1400 ++-------------------------------------------------------------------+
> | O O O O O |
> 1380 O+O O O O O O O O O O O |
> 1360 ++ O O O O O O O O O |
> | O |
> 1340 ++ |
> | |
> 1320 ++ |
> | |
> 1300 ++ |
> 1280 ++ |
> | .*.*. .*. |
> 1260 *+*.*.*.*.*.*.*. .*.*.* * *.**.*.*.*.*.*. .*.*.*.*.*.*.*.*.*. .*
> | * * * |
> 1240 ++-------------------------------------------------------------------+
>
>
> unixbench.time.involuntary_context_switches
>
> 540000 ++-----------------------------------------------------------------+
> | O O O O O OO |
> 530000 ++O O O O O O |
> O O O O O O O O O O O O O |
> | O |
> 520000 ++ |
> | |
> 510000 ++ |
> | |
> 500000 ++ |
> | |
> | |
> 490000 ++ .*. .*. .*.*. .*. .*. .* |
> *.*.* *.**. .*.* * * *.** *.*.*. .*.*.*.*.* *.*.*. .*.*
> 480000 ++-----------*------------------------------*------------------*---+
>
> [*] bisect-good sample
> [O] bisect-bad sample
>
> To reproduce:
>
> git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.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 provided
> for informational purposes only. Any difference in system hardware or software
> design or configuration may affect actual performance.
>
>
> Thanks,
> Ying Huang

> ---
> LKP_SERVER: inn
> LKP_CGI_PORT: 80
> LKP_CIFS_PORT: 139
> testcase: unixbench
> default-monitors:
> wait: activate-monitor
> kmsg:
> uptime:
> iostat:
> vmstat:
> numa-numastat:
> numa-vmstat:
> numa-meminfo:
> proc-vmstat:
> proc-stat:
> interval: 10
> meminfo:
> slabinfo:
> interrupts:
> lock_stat:
> latency_stats:
> softirqs:
> bdi_dev_mapping:
> diskstats:
> nfsstat:
> cpuidle:
> cpufreq-stats:
> turbostat:
> pmeter:
> sched_debug:
> interval: 60
> cpufreq_governor: performance
> default-watchdogs:
> oom-killer:
> watchdog:
> commit: 6ffc77f48b85ed9ab9a7b2754a7b49891ebaff83
> model: Ivy Bridge
> nr_cpu: 4
> memory: 8G
> nr_hdd_partitions: 1
> hdd_partitions: "/dev/disk/by-id/ata-ST1000DM003-1CH162_Z1DBQSB0-part1"
> swap_partitions: "/dev/disk/by-id/ata-ST1000DM003-1CH162_Z1DBQSB0-part3"
> rootfs_partition: "/dev/disk/by-id/ata-ST1000DM003-1CH162_Z1DBQSB0-part4"
> netconsole_port: 66723
> category: benchmark
> nr_task: 1
> unixbench:
> test: execl
> queue: bisect
> testbox: lkp-ivb-d02
> tbox_group: lkp-ivb-d02
> kconfig: x86_64-rhel
> enqueue_time: 2016-02-01 04:41:40.844697988 +08:00
> id: ab239be39f92df1f1f155f9ff8ab50bd48a204bb
> user: lkp
> compiler: gcc-4.9
> head_commit: a66aef2038ce0ce7386c40e2a010beb2cb7895d2
> base_commit: 92e963f50fc74041b5e9e744c330dca48e04f08d
> branch: linux-devel/devel-hourly-2016013119
> rootfs: debian-x86_64-2015-02-07.cgz
> result_root: "/result/unixbench/performance-1-execl/lkp-ivb-d02/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/6ffc77f48b85ed9ab9a7b2754a7b49891ebaff83/1"
> job_file: "/lkp/scheduled/lkp-ivb-d02/bisect_unixbench-performance-1-execl-debian-x86_64-2015-02-07.cgz-x86_64-rhel-6ffc77f48b85ed9ab9a7b2754a7b49891ebaff83-20160201-118510-14qlhxm-1.yaml"
> max_uptime: 836.86
> initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz"
> bootloader_append:
> - root=/dev/ram0
> - user=lkp
> - job=/lkp/scheduled/lkp-ivb-d02/bisect_unixbench-performance-1-execl-debian-x86_64-2015-02-07.cgz-x86_64-rhel-6ffc77f48b85ed9ab9a7b2754a7b49891ebaff83-20160201-118510-14qlhxm-1.yaml
> - ARCH=x86_64
> - kconfig=x86_64-rhel
> - branch=linux-devel/devel-hourly-2016013119
> - commit=6ffc77f48b85ed9ab9a7b2754a7b49891ebaff83
> - BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/6ffc77f48b85ed9ab9a7b2754a7b49891ebaff83/vmlinuz-4.5.0-rc1-00001-g6ffc77f
> - max_uptime=836
> - RESULT_ROOT=/result/unixbench/performance-1-execl/lkp-ivb-d02/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/6ffc77f48b85ed9ab9a7b2754a7b49891ebaff83/1
> - LKP_SERVER=inn
> - |2-
>
>
> earlyprintk=ttyS0,115200 systemd.log_level=err
> debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100
> panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0
> console=ttyS0,115200 console=tty0 vga=normal
>
> rw
> lkp_initrd: "/lkp/lkp/lkp-x86_64.cgz"
> modules_initrd: "/pkg/linux/x86_64-rhel/gcc-4.9/6ffc77f48b85ed9ab9a7b2754a7b49891ebaff83/modules.cgz"
> bm_initrd: "/osimage/deps/debian-x86_64-2015-02-07.cgz/lkp.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/run-ipconfig.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/turbostat.cgz,/lkp/benchmarks/turbostat.cgz,/lkp/benchmarks/unixbench.cgz"
> linux_headers_initrd: "/pkg/linux/x86_64-rhel/gcc-4.9/6ffc77f48b85ed9ab9a7b2754a7b49891ebaff83/linux-headers.cgz"
> repeat_to: 2
> kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/6ffc77f48b85ed9ab9a7b2754a7b49891ebaff83/vmlinuz-4.5.0-rc1-00001-g6ffc77f"
> dequeue_time: 2016-02-01 04:49:05.273523858 +08:00
> job_state: finished
> loadavg: 0.75 0.27 0.10 1/120 2153
> start_time: '1454273365'
> end_time: '1454273464'
> version: "/lkp/lkp/.src-20160127-223853"



--
ak@xxxxxxxxxxxxxxx -- Speaking for myself only