Messages in this thread | | | Date | Fri, 5 Jul 2013 08:54:35 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH] perf: fix interrupt handler timing harness |
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* Stephane Eranian <eranian@google.com> wrote:
> This patch fixes a serious bug in: > > commit 14c63f17b1fde5a575a28e96547a22b451c71fb5 > Author: Dave Hansen <dave.hansen@linux.intel.com> > Date: Fri Jun 21 08:51:36 2013 -0700 > > perf: Drop sample rate when sampling is too slow > > > There was an misunderstanding on the API of the do_div() > macro. It returns the remainder of the division and this > was not what the function expected leading to disabling the > interrupt latency watchdog. > > This patch also remove a duplicate assignment in > perf_sample_event_took(). > > Signed-off-by: Stephane Eranian <eranian@google.com>
Thanks Stephane - I've applied this to perf/urgent and will get it to Linus ASAP.
Ingo
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