Messages in this thread | | | Date | Fri, 4 Jul 2014 11:54:55 +0800 | From | Fengguang Wu <> | Subject | Re: [kernel/watchdog.c] ed235875e2c: -14.2% will-it-scale.scalability |
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Hi all,
Sorry please ignore this report: it seems there are no obvious relationship between the code change and the regression.
Thanks, Fengguang
On Fri, Jul 04, 2014 at 11:45:31AM +0800, Jet Chen wrote: > Hi Aaron, > > FYI, we noticed the below changes on > > commit ed235875e2ca983197831337a986f0517074e1a0 ("kernel/watchdog.c: print traces for all cpus on lockup detection") > > test case: lkp-snb01/will-it-scale/signal1 > > f3aca3d09525f87 ed235875e2ca983197831337a > --------------- ------------------------- > 0.12 ~ 0% -14.2% 0.10 ~ 0% TOTAL will-it-scale.scalability > 506146 ~ 0% -4.4% 484004 ~ 0% TOTAL will-it-scale.per_process_ops > 12193 ~ 4% +12.6% 13726 ~ 6% TOTAL slabinfo.kmalloc-256.active_objs > 12921 ~ 4% +12.3% 14516 ~ 5% TOTAL slabinfo.kmalloc-256.num_objs > 123094 ~ 3% -6.5% 115117 ~ 3% TOTAL meminfo.Committed_AS > > Legend: > ~XX% - stddev percent > [+-]XX% - change percent > > > will-it-scale.per_process_ops > > 515000 ++-----------------------------------------------------------------+ > | .*.*.*.*. .* | > 510000 *+* *.*.* + .*. *. | > 505000 ++ * *.*.*.*. .* .*.*.*. .*.*.*. + *.*.*.*.*.* > | * * * *.* | > 500000 ++ | > | | > 495000 ++ | > | | > 490000 ++ | > 485000 ++ O O O O O O | > | O O O O O O O O O O | > 480000 O+O O O O O | > | | > 475000 ++-----------------------------------------------------------------+ > > > [*] 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, > Jet >
> 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/cpu10/cpufreq/scaling_governor > echo performance > /sys/devices/system/cpu/cpu11/cpufreq/scaling_governor > echo performance > /sys/devices/system/cpu/cpu12/cpufreq/scaling_governor > echo performance > /sys/devices/system/cpu/cpu13/cpufreq/scaling_governor > echo performance > /sys/devices/system/cpu/cpu14/cpufreq/scaling_governor > echo performance > /sys/devices/system/cpu/cpu15/cpufreq/scaling_governor > echo performance > /sys/devices/system/cpu/cpu16/cpufreq/scaling_governor > echo performance > /sys/devices/system/cpu/cpu17/cpufreq/scaling_governor > echo performance > /sys/devices/system/cpu/cpu18/cpufreq/scaling_governor > echo performance > /sys/devices/system/cpu/cpu19/cpufreq/scaling_governor > echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor > echo performance > /sys/devices/system/cpu/cpu20/cpufreq/scaling_governor > echo performance > /sys/devices/system/cpu/cpu21/cpufreq/scaling_governor > echo performance > /sys/devices/system/cpu/cpu22/cpufreq/scaling_governor > echo performance > /sys/devices/system/cpu/cpu23/cpufreq/scaling_governor > echo performance > /sys/devices/system/cpu/cpu24/cpufreq/scaling_governor > echo performance > /sys/devices/system/cpu/cpu25/cpufreq/scaling_governor > echo performance > /sys/devices/system/cpu/cpu26/cpufreq/scaling_governor > echo performance > /sys/devices/system/cpu/cpu27/cpufreq/scaling_governor > echo performance > /sys/devices/system/cpu/cpu28/cpufreq/scaling_governor > echo performance > /sys/devices/system/cpu/cpu29/cpufreq/scaling_governor > echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor > echo performance > /sys/devices/system/cpu/cpu30/cpufreq/scaling_governor > echo performance > /sys/devices/system/cpu/cpu31/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 > echo performance > /sys/devices/system/cpu/cpu8/cpufreq/scaling_governor > echo performance > /sys/devices/system/cpu/cpu9/cpufreq/scaling_governor > ./runtest.py signal1 25 1 8 16 24 32 >
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