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
