Messages in this thread | | | Date | Thu, 3 Sep 2015 12:05:51 +0200 | From | Jiri Olsa <> | Subject | Re: [PATCH] perf stat: fix per-pkg event reporting bug |
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On Wed, Sep 02, 2015 at 01:26:57PM -0700, Andi Kleen wrote: > 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?
AFAICS this is related strictly to per-pkg events, is this what you were doing?
jirka
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