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

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Message-ID: <CACT4Y+bvgEiht6jCgx4K2t25V5EtGVMuwXca=mUsQmSZhU1ULw@mail.gmail.com>
Date:	Mon, 15 Feb 2016 16:47:45 +0100
From:	Dmitry Vyukov <dvyukov@...gle.com>
To:	Peter Zijlstra <peterz@...radead.org>
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 4:38 PM, Peter Zijlstra <peterz@...radead.org> wrote:
> 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 :/

It should not be _too_ hard :)
Feel free to contact me or syzkaller@...glegroups.com if you have any
issues with setup.