Re: [PATCH] perf pmu: fix alias->snapshot missing initialization bug

From: Arnaldo Carvalho de Melo
Date: Wed Jan 06 2016 - 15:53:38 EST


Em Wed, Jan 06, 2016 at 07:50:01PM +0100, Stephane Eranian escreveu:
> This patch fixes a bug in __perf_pmu__new_alias() whereby
> the alias->snapshot field was not initialized to false. This
> led to random alias->snapshot value for an alias and
> was breaking some measurements such as:
>
> $ perf stat -a -e uncore_imc/data_reads/ -I 1000 sleep 100
>
> Because the event ended up being treated as snapshot mode, when
> it is not.

Thanks, applied.

- Arnaldo
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