linux-kernel - Re: [RFC][PATCH 00/12] various perf fixes

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Message-ID: <20160215153825.GH6357@twins.programming.kicks-ass.net>
Date:	Mon, 15 Feb 2016 16:38:25 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Dmitry Vyukov <dvyukov@...gle.com>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Stephane Eranian <eranian@...gle.com>,
	LKML <linux-kernel@...r.kernel.org>, vince@...ter.net,
	Andi Kleen <andi@...stfloor.org>, jolsa@...hat.com,
	Thomas Gleixner <tglx@...utronix.de>,
	Arnaldo Carvalho de Melo <acme@...radead.org>
Subject: Re: [RFC][PATCH 00/12] various perf fixes

On Mon, Feb 15, 2016 at 04:04:36PM +0100, Dmitry Vyukov wrote:
> Peter, I want to check status of these perf crashes. I see that you
> landed a bunch of patches. But I still see perf-related crashes while
> running syzkaller.

Bugger :-)

> Are there any existing bugs left that you know
> about? 

I might have one report, but I've been ill the past two weeks, so I'm
not too sure on that.

> Or should I report new crashes?

Please.

> Did you have any luck setting up syzkaller locally? That could
> significantly reduce turnaround time.

Not yet :/ I managed to reproduce a lot of fail with Vince's perf-fuzzer
and some stress test scripts Ingo had.

I suppose I'll have to go look at making this happen; right bugger for
requiring a weird language though :/