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Re: [PATCH 2/2] perf: Disable the event on a truncated AUX record

From Peter Zijlstra <peterz@infradead.org>
Newsgroups linux.kernel
Subject Re: [PATCH 2/2] perf: Disable the event on a truncated AUX record
Date 2016-05-11 12:00 +0200
Message-ID <rxz5U-5GG-3@gated-at.bofh.it> (permalink)
References <rxfJV-32e-27@gated-at.bofh.it> <rxfJV-32e-35@gated-at.bofh.it> <rxytc-5fG-15@gated-at.bofh.it> <rxyWe-5Bh-5@gated-at.bofh.it>
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On Wed, May 11, 2016 at 12:41:27PM +0300, Alexander Shishkin wrote:
> Peter Zijlstra <peterz@infradead.org> writes:
> >
> > Does the userspace tool know how to deal with this and re-enable it?
> 
> Yes, it knows to ioctl(EVENT_ENABLE). Also, we're already doing the
> disabling for the no-room-in-buffer condition in
> perf_aux_output_begin().

Awesome; gots them queued.

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[PATCH 0/2] perf, pt: Fix massive data losses Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-05-10 15:20 +0200
  [PATCH 1/2] perf/x86/intel/pt: Generate PMI in the STOP region as well Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-05-10 15:20 +0200
    [tip:perf/core] perf/x86/intel/pt: Generate PMI in the STOP region  as well tip-bot for Alexander Shishkin <tipbot@zytor.com> - 2016-05-12 12:40 +0200
  [PATCH 2/2] perf: Disable the event on a truncated AUX record Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-05-10 15:20 +0200
    Re: [PATCH 2/2] perf: Disable the event on a truncated AUX record Peter Zijlstra <peterz@infradead.org> - 2016-05-11 11:20 +0200
      Re: [PATCH 2/2] perf: Disable the event on a truncated AUX record Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-05-11 11:50 +0200
        Re: [PATCH 2/2] perf: Disable the event on a truncated AUX record Peter Zijlstra <peterz@infradead.org> - 2016-05-11 12:00 +0200
          Re: [PATCH 2/2] perf: Disable the event on a truncated AUX record Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-05-11 12:10 +0200
    [tip:perf/core] perf/core: Disable the event on a truncated AUX  record tip-bot for Alexander Shishkin <tipbot@zytor.com> - 2016-05-12 12:40 +0200

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