From: Peter Zijlstra <peterz@infradead.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: Robert Richter <rric@kernel.org>,
"Liang, Kan" <kan.liang@intel.com>,
Andi Kleen <andi@firstfloor.org>, Jiri Olsa <jolsa@kernel.org>,
Vince Weaver <vince@deater.net>,
lkml <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] perf/x86: Fix overlap counter scheduling bug
Date: Thu, 10 Nov 2016 17:41:28 +0100 [thread overview]
Message-ID: <20161110164128.GZ3142@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20161110080013.GA23431@gmail.com>
On Thu, Nov 10, 2016 at 09:00:13AM +0100, Ingo Molnar wrote:
> Would it be possible to also add debug code (or some other mechanism) to disallow
> such buggy EVENT_CONSTRAINT_OVERLAP() definitions?
Should certainly be possible if someone has the time for it I think. The
rules are fairly straight forward, the only tricky bit is detectoring
the actual overlap condition.
next prev parent reply other threads:[~2016-11-10 16:41 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-01 15:44 [PATCH] perf/x86: Fix overlap counter scheduling bug Jiri Olsa
2016-11-08 12:20 ` Peter Zijlstra
2016-11-08 13:14 ` Jiri Olsa
2016-11-08 15:09 ` Andi Kleen
2016-11-08 16:22 ` Liang, Kan
2016-11-08 16:57 ` Peter Zijlstra
2016-11-08 17:25 ` Liang, Kan
2016-11-08 18:27 ` Peter Zijlstra
2016-11-09 14:25 ` Robert Richter
2016-11-09 15:51 ` Peter Zijlstra
2016-11-10 8:00 ` Ingo Molnar
2016-11-10 16:41 ` Peter Zijlstra [this message]
2016-12-14 15:59 ` Jiri Olsa
2016-12-22 16:50 ` [tip:perf/urgent] " tip-bot for Peter Zijlstra
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