Re: perf: multiplexing broken on amd fam16h?

From	Peter Zijlstra <peterz@infradead.org>
Newsgroups	linux.kernel
Subject	Re: perf: multiplexing broken on amd fam16h?
Date	2015-07-22 16:20 +0200
Message-ID	<pP32i-Ny-5@gated-at.bofh.it> (permalink)
References	<pOK9k-7tF-25@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Tue, Jul 21, 2015 at 02:14:54PM -0400, Vince Weaver wrote:
> If I run the perf_event_tests check_multiplexing test it fails like this:

FWIW, that contains:

   /* we have to close, because PERF_EVENT_IOC_RESET */
   /* does not clear multiplexing informatio.        */

Do you need that? We could add another reset ioctl with a flags argument
on what all to clear.
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Re: perf: multiplexing broken on amd fam16h? Peter Zijlstra <peterz@infradead.org> - 2015-07-22 16:20 +0200
  Re: perf: multiplexing broken on amd fam16h? Vince Weaver <vincent.weaver@maine.edu> - 2015-07-22 16:40 +0200

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