linux-kernel - Re: [BUG] perf tests: Test converting perf time to TSC

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Message-ID: <524D3ED8.2030109@intel.com>
Date:	Thu, 03 Oct 2013 12:54:32 +0300
From:	Adrian Hunter <adrian.hunter@...el.com>
To:	Peter Zijlstra <peterz@...radead.org>
CC:	Jiri Olsa <jolsa@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	linux-kernel@...r.kernel.org, David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Mike Galbraith <efault@....de>,
	Namhyung Kim <namhyung@...il.com>,
	Paul Mackerras <paulus@...ba.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [BUG] perf tests: Test converting perf time to TSC

On 03/10/13 11:58, Peter Zijlstra wrote:
> On Thu, Oct 03, 2013 at 10:56:25AM +0200, Peter Zijlstra wrote:
>>> No the ABI is broken in that case - better to crash.
>>
>> No; neither case should crash.
> 
> OK; previously we would report cap_usr_time = 1 even though we might not
> have written stuff into the fields; which would indeed explain the
> crash.
> 
> However; Jiri actually has the patch; as the code he posted had 'user' not
> 'usr'

Where do you see that?

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