linux-kernel - Re: Perf record format portability

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Date:	Thu, 31 May 2012 12:28:15 +0400
From:	Dmitry Antipov <dmitry.antipov@...aro.org>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
CC:	Steven Rostedt <rostedt@...dmis.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>,
	Amit Kucheria <amit.kucheria@...aro.org>,
	linaro-dev@...ts.linaro.org, linux-kernel@...r.kernel.org,
	Jiri Olsa <jolsa@...hat.com>
Subject: Re: Perf record format portability

On 05/29/2012 07:10 PM, Arnaldo Carvalho de Melo wrote:

> I haven't tested this, but libtraceevent is now in, perhaps it works for
> you now? Can you check?

It doesn't work. Attempt to do 'perf report' on ARM for the data collected on
x86 shows 'unknown:unknown' for event names (see report_x86_on_ARM.txt),
and 'perf report' on x86 for the data collected on ARM shows invalid event names
(see report_ARM_on_x86.txt).

Dmitry

View attachment "report_x86_on_ARM.txt" of type "text/plain" (3097 bytes)

View attachment "report_ARM_on_x86.txt" of type "text/plain" (3106 bytes)