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From: Dave Jones <davej@redhat.com>
To: Mikko Rapeli <mikko.rapeli@iki.fi>
Cc: trinity@vger.kernel.org
Subject: Re: workaround/blacklist/exclude perf?
Date: Tue, 8 Oct 2013 13:31:59 -0400	[thread overview]
Message-ID: <20131008173159.GA20593@redhat.com> (raw)
In-Reply-To: <20131008152209.GZ7782@lakka.kapsi.fi>

On Tue, Oct 08, 2013 at 06:22:09PM +0300, Mikko Rapeli wrote:
 > Is there some simple trick to exclude a single test case which produces
 > an oops?
 > 
 > I'm hitting one of the perf issues after few minutes but would like to
 > continue testing other kernel subsystems.

The perf bugs are nasty.  You can try -x perf_event_open, (and also edit
open_perf_fds in perf.c to just return instantly, but in my experience even
with this, somehow we still end up triggering perf stuff. I've no explanation for it.

	Dave


  reply	other threads:[~2013-10-08 17:31 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-08 15:22 workaround/blacklist/exclude perf? Mikko Rapeli
2013-10-08 17:31 ` Dave Jones [this message]
2013-10-09  6:58   ` Mikko Rapeli
2013-10-10 21:31     ` Vince Weaver
  -- strict thread matches above, loose matches on Subject: below --
2013-10-08 17:25 Toralf Förster

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