On 10/29/21 8:21 PM, Daniel Jordan wrote: > On Thu, Oct 28, 2021 at 03:15:27PM -0700, Dan Schatzberg wrote: >> In account_guest_time in kernel/sched/cputime.c guest time is >> attributed to both CPUTIME_NICE and CPUTIME_USER in addition to >> CPUTIME_GUEST_NICE and CPUTIME_GUEST respectively. Therefore, adding >> both to calculate usage results in double counting any guest time at >> the rootcg. > > Yes, definitely a bug. The same fix was posted a couple months ago as > part of a series but never picked up: > > https://x-lore.kernel.org/all/20210820094005.20596-3-arbn@xxxxxxxxxxxxxxx/ > > The series also touched cputime, so we might be waiting for scheduler > folks? +Ingo +Peter +Andrey > Yeah, I'll do rebase and send v3
