From: Peter Zijlstra <peterz@infradead.org>
To: Stephane Eranian <eranian@google.com>
Cc: Andi Kleen <ak@linux.intel.com>,
LKML <linux-kernel@vger.kernel.org>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
"mingo@elte.hu" <mingo@elte.hu>,
"Liang, Kan" <kan.liang@intel.com>, Jiri Olsa <jolsa@redhat.com>,
Namhyung Kim <namhyung@kernel.org>,
Adrian Hunter <adrian.hunter@intel.com>
Subject: Re: [PATCH 2/3] perf/x86/pebs: add workaround for broken OVFL status on HSW
Date: Thu, 10 Mar 2016 14:53:43 +0100 [thread overview]
Message-ID: <20160310135343.GL6375@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20160307121840.GF6375@twins.programming.kicks-ass.net>
On Mon, Mar 07, 2016 at 01:18:40PM +0100, Peter Zijlstra wrote:
> On Mon, Mar 07, 2016 at 11:24:13AM +0100, Peter Zijlstra wrote:
>
> > I suspect Andi is having something along:
> >
> > lkml.kernel.org/r/1445458568-16956-1-git-send-email-andi@firstfloor.org
> >
> > applied to his tree.
>
> OK, I munged a bunch of patches together, please have a hard look at the
> end result found in:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git perf/core
So while running tip/master I just triggered the "irq loop stuck" warn
on my IVB, with status==1, and PMC0 didn't look weird at all.
I've not seen that for a fair while. But it does show it still happens
on not quite antique hardware.
next prev parent reply other threads:[~2016-03-10 13:54 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-03 19:50 [PATCH 0/3] perf/x86/pebs: various important fixes for PEBS Stephane Eranian
2016-03-03 19:50 ` [PATCH 1/3] perf/x86/intel: add definition for PT PMI bit Stephane Eranian
2016-03-08 13:16 ` [tip:perf/core] perf/x86/intel: Add " tip-bot for Stephane Eranian
2016-03-03 19:50 ` [PATCH 2/3] perf/x86/pebs: add workaround for broken OVFL status on HSW Stephane Eranian
2016-03-03 21:43 ` Andi Kleen
2016-03-03 23:40 ` Stephane Eranian
2016-03-07 10:24 ` Peter Zijlstra
2016-03-07 12:18 ` Peter Zijlstra
2016-03-07 18:27 ` Jiri Olsa
2016-03-07 20:25 ` Peter Zijlstra
2016-03-08 20:59 ` Stephane Eranian
2016-03-08 21:07 ` Peter Zijlstra
2016-03-08 21:13 ` Stephane Eranian
2016-03-09 5:34 ` Stephane Eranian
2016-03-09 5:44 ` Stephane Eranian
2016-03-09 17:40 ` Stephane Eranian
2016-03-10 10:42 ` Peter Zijlstra
2016-12-14 17:55 ` Peter Zijlstra
2016-12-15 7:26 ` Stephane Eranian
2016-12-15 7:52 ` Jiri Olsa
2016-12-15 8:04 ` Stephane Eranian
2016-12-15 8:42 ` Peter Zijlstra
2016-12-15 16:59 ` Stephane Eranian
2016-12-15 17:10 ` Peter Zijlstra
2016-12-16 8:38 ` Stephane Eranian
2016-12-16 17:48 ` Stephane Eranian
2016-03-10 13:53 ` Peter Zijlstra [this message]
2016-03-10 16:10 ` Stephane Eranian
2016-03-08 13:16 ` [tip:perf/core] perf/x86/pebs: Add workaround for broken OVFL status on HSW+ tip-bot for Stephane Eranian
2016-03-03 19:50 ` [PATCH 3/3] perf/x86/pebs: add proper PEBS constraints for Broadwell Stephane Eranian
2016-03-08 13:16 ` [tip:perf/core] perf/x86/pebs: Add " tip-bot for Stephane Eranian
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