linux-kernel - Re: [PATCH 31/33] perf, tools: Support generic events as pmu event names v2

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Message-ID: <20121027194200.GD1039@krava.redhat.com>
Date:	Sat, 27 Oct 2012 21:42:00 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	linux-kernel@...r.kernel.org, acme@...hat.com,
	peterz@...radead.org, eranian@...gle.com, mingo@...nel.org,
	Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 31/33] perf, tools: Support generic events as pmu event
 names v2

On Fri, Oct 26, 2012 at 01:30:13PM -0700, Andi Kleen wrote:
> From: Andi Kleen <ak@...ux.intel.com>
> 
> Extend the parser/lexer to allow generic event names like
> "instructions" as a sysfs supplied PMU event name.
> 
> This resolves the problem that cpu/instructions/ gives a parse
> error, even when the kernel supplies a "instructions" event
> 
> This is useful to add sysfs specified qualifiers to these
> events, for example cpu/instructions,intx=1/ and needed
> for the TSX events
> 
> Simply extend the grammar to handle this case. The lexer
> needs minor changes to save the original string.

ops, I think you need to check recent changes:

3f3a206 perf test: Add automated tests for pmu sysfs translated events
1d33d6d perf tools: Add support to specify hw event as PMU event term
3fded96 perf tools: Fix PMU object alias initialization
20550a4 perf/x86: Add hardware events translations for Intel P6 cpus
0bf79d4 perf/x86: Add hardware events translations for AMD cpus
43c032f perf/x86: Add hardware events translations for Intel cpus
8300daa perf/x86: Filter out undefined events from sysfs events attribute
a474739 perf/x86: Make hardware event translations available in sysfs

jirka
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