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Date: Tue, 24 Nov 2015 13:32:11 +0800 From: kernel test robot <ying.huang@...ux.intel.com> TO: Marc Zyngier <marc.zyngier@....com> CC: LKML <linux-kernel@...r.kernel.org> Subject: [lkp] [genirq/msi] 460ec9d780: 8.5% unixbench.score FYI, we noticed the below changes on https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git irq/wire-msi-bridge commit 460ec9d78057bf462f5b5cd0a140e32252d81405 ("genirq/msi: Make the .prepare callback reusable") ========================================================================================= compiler/kconfig/rootfs/tbox_group/test/testcase: gcc-4.9/x86_64-rhel/debian-x86_64-2015-02-07.cgz/nhm-white2/context1/unixbench commit: c175e94e50249623f7e0c9dc087798afd2e541ae 460ec9d78057bf462f5b5cd0a140e32252d81405 c175e94e50249623 460ec9d78057bf462f5b5cd0a1 ---------------- -------------------------- %stddev %change %stddev \ | \ 1421 ± 0% +8.5% 1543 ± 0% unixbench.score 64569793 ± 0% +7.0% 69093806 ± 0% unixbench.time.voluntary_context_switches 18591611 ±114% -62.0% 7060772 ±104% latency_stats.avg.nfs_wait_on_request.nfs_updatepage.nfs_write_end.generic_perform_write.__generic_file_write_iter.generic_file_write_iter.nfs_file_write.__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath 25939 ± 4% -7.2% 24059 ± 5% softirqs.SCHED 10.80 ± 1% +11.5% 12.04 ± 1% time.user_time 3971 ± 14% -18.9% 3220 ± 5% vmstat.system.in 60.25 ± 20% +28.6% 77.50 ± 15% sched_debug.cfs_rq[0]:/.load_avg 34.75 ± 6% +50.4% 52.25 ± 23% sched_debug.cfs_rq[0]:/.runnable_load_avg 60.25 ± 20% +28.6% 77.50 ± 15% sched_debug.cfs_rq[0]:/.tg_load_avg_contrib 440.00 ± 15% +32.9% 584.75 ± 11% sched_debug.cfs_rq[0]:/.util_avg 32425 ± 4% -15.2% 27496 ± 20% sched_debug.cfs_rq[5]:/.exec_clock 53.00 ± 16% +72.6% 91.50 ± 21% sched_debug.cfs_rq[5]:/.load_avg 53.00 ± 16% +73.1% 91.75 ± 21% sched_debug.cfs_rq[5]:/.tg_load_avg_contrib 80.25 ± 24% +28.0% 102.75 ± 14% sched_debug.cfs_rq[6]:/.load_avg 37.00 ± 8% +39.9% 51.75 ± 29% sched_debug.cfs_rq[6]:/.runnable_load_avg 80.25 ± 24% +28.7% 103.25 ± 15% sched_debug.cfs_rq[6]:/.tg_load_avg_contrib 36.00 ± 3% +27.1% 45.75 ± 14% sched_debug.cpu#0.cpu_load[1] 36.25 ± 4% +22.8% 44.50 ± 8% sched_debug.cpu#0.cpu_load[2] 35.75 ± 7% +24.5% 44.50 ± 9% sched_debug.cpu#0.cpu_load[3] 35.50 ± 9% +28.9% 45.75 ± 12% sched_debug.cpu#0.cpu_load[4] 2030062 ± 4% -16.0% 1705635 ± 5% sched_debug.cpu#1.sched_goidle 35.00 ± 11% +14.3% 40.00 ± 5% sched_debug.cpu#3.cpu_load[0] 32.75 ± 23% +25.2% 41.00 ± 4% sched_debug.cpu#3.cpu_load[2] 32.50 ± 24% +29.2% 42.00 ± 6% sched_debug.cpu#3.cpu_load[3] 32.00 ± 26% +34.4% 43.00 ± 10% sched_debug.cpu#3.cpu_load[4] 35.50 ± 13% +18.3% 42.00 ± 5% sched_debug.cpu#4.cpu_load[4] 38729 ± 6% -17.3% 32035 ± 20% sched_debug.cpu#5.nr_load_updates 1357857 ± 24% -46.7% 724368 ± 35% sched_debug.cpu#5.sched_goidle nhm-white2: Nehalem Memory: 4G unixbench.score 1700 O+O--OO--------------------------------------------------------------+ | O | 1650 ++ | | | 1600 ++ OO | | OO O O OO O OO O | 1550 ++ O O O O O OO O | | OO | 1500 ++ | | | 1450 ++ | | *.**.*.**.**. *.**.**.* 1400 *+**.**.**.**.**.* **.**.**.**.**.*.**.**.**.**.* | | | 1350 ++-------------------------------------------------------------------+ unixbench.time.voluntary_context_switches 7.6e+07 O+--O-------------------------------------------------------------+ |O O O | 7.4e+07 ++ | | | 7.2e+07 ++ O | | O O O | 7e+07 ++ O O O OO OOO O OO O O | | O O O OO | 6.8e+07 ++ | | | 6.6e+07 ++ .* | | **.*** *.* * .**.*| 6.4e+07 **. *.* .**.* .* + *.* .**. *.**. **. *.* .**.* + * * | * * * * * * * * * * | 6.2e+07 ++----------------------------------------------------------------+ [*] 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 View attachment "job.yaml" of type "text/plain" (3173 bytes) Download attachment "reproduce.sh" of type "application/x-sh" (35 bytes)
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