lkml.org 
[lkml]   [2020]   [Dec]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC 1/2] perf core: Add PERF_COUNT_SW_CGROUP_SWITCHES event
> +	prev_cgrp = task_css_check(prev, perf_event_cgrp_id, 1)->cgroup;
> + next_cgrp = task_css_check(next, perf_event_cgrp_id, 1)->cgroup;
> +
> + if (prev_cgrp != next_cgrp)
> + perf_sw_event_sched(PERF_COUNT_SW_CGROUP_SWITCHES, 1, 0);

Seems to be the perf cgroup only, not all cgroups.
That's a big difference and needs to be documented properly.

Probably would make sense to have two events for both, one for
all cgroups and one for perf only.



-Andi

\
 
 \ /
  Last update: 2020-12-02 20:33    [W:0.105 / U:2.588 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site