lkml.org 
[lkml]   [2015]   [Sep]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] perf stat: fix per-pkg event reporting bug
On Wed, Sep 02, 2015 at 03:17:51PM +0200, Stephane Eranian wrote:
> Per-pkg events need to be captured once per processor
> socket. The code in check_per_pkg() ensures only one
> value per processor package is used. However there is
> a problem with this function in case the first CPU of
> the package does not measure anything for the per-pkg event,
> but other CPUs do.

I've seen a similar(?) bug with -C and --per-core combined.
Some logical threads are not correctly accounted there either.
Do you think that's another instance of such a bug?

-Andi


\
 
 \ /
  Last update: 2015-09-02 22:41    [W:0.115 / U:0.200 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site