Messages in this thread | | | Date | Thu, 4 Aug 2016 11:01:24 +0200 | From | Peter Zijlstra <> | Subject | Re: [lkp] [sched/fair] e210bffd39: perf-stat.cpu-migrations -36.0% decrease |
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On Thu, Aug 04, 2016 at 01:24:23PM +0800, kernel test robot wrote: > > FYI, we noticed perf-stat.cpu-migrations -36.0% decrease due to commit: > > commit e210bffd39d01b649c94b820c28ff112673266dd ("sched/fair: Fix and optimize the fork() path") > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > > in testcase: unixbench > on test machine: 16 threads Broadwell-DE with 8G memory > with following parameters: > > runtime: 300s > nr_task: 1 > test: shell8 > cpufreq_governor: performance > >
Urgh, I so hate these reports. They're near useless :/
It took me 3 readings to realize it was the unixbench testcase (why isn't that in the subject!?). But then I still haven't found the primary performance metric. Does the test improve, degrade or not change overall?
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