lkml.org 
[lkml]   [2011]   [Aug]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [BUG] perf_event: semantic of PERF_SAMPLE_READ unclear
From
Date
On Thu, 2011-08-25 at 19:19 +0200, Stephane Eranian wrote:
> But the difficulty is that
> we cannot grab any locks, not sure we need one given the call path.

Nah we should be able to simply iterate all siblings and update them
in-place, since its group members they should all be co-scheduled. The
only difficulty is cross pmu group members..


\
 
 \ /
  Last update: 2011-08-25 19:35    [W:0.064 / U:0.044 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site