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From: Andi Kleen <ak@linux.intel.com>
To: Agustin Vega-Frias <agustinv@codeaurora.org>
Cc: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
	timur@codeaurora.org
Subject: Re: [RFC 1/3] perf, tools: Support wildcards on pmu name in dynamic pmu events
Date: Tue, 27 Feb 2018 15:05:39 -0800	[thread overview]
Message-ID: <20180227230539.GF21543@tassilo.jf.intel.com> (raw)
In-Reply-To: <1519770848-26738-2-git-send-email-agustinv@codeaurora.org>

On Tue, Feb 27, 2018 at 05:34:06PM -0500, Agustin Vega-Frias wrote:
> Starting on v4.12 event parsing code for dynamic pmu events already
> supports prefix-based matching of multiple pmus when creating dynamic
> events. E.g., in a system with the following dynamic pmus:
> 
>     mypmu_0
>     mypmu_1
>     mypmu_2
>     mypmu_4
> 
> passing mypmu/<config>/ as an event spec will result in the creation
> of the event in all of the pmus. This change expands this matching
> through the use of fnmatch so glob-like expressions can be used to
> create events in multiple pmus. E.g., in the system described above
> if a user only wants to create the event in mypmu_0 and mypmu_1,
> mypmu_[01]/<config>/ can be passed.

Missing documentation for the globbing.

The rest looked ok to me. 

Reviewed-by: Andi Kleen <ak@linux.intel.com>

-Andi

  reply	other threads:[~2018-02-27 23:05 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-27 22:34 [RFC 0/3] perf stat: improvements for handling of multiple PMUs Agustin Vega-Frias
2018-02-27 22:34 ` [RFC 1/3] perf, tools: Support wildcards on pmu name in dynamic pmu events Agustin Vega-Frias
2018-02-27 23:05   ` Andi Kleen [this message]
2018-02-27 22:34 ` [RFC 2/3] perf, tools: Display pmu name when printing unmerged events in stat Agustin Vega-Frias
2018-02-27 22:34 ` [RFC 3/3] perf pmu: Restore auto-merging of PMU events created by prefix match Agustin Vega-Frias
2018-02-28  9:40   ` Jiri Olsa
2018-02-28 12:45     ` Arnaldo Carvalho de Melo
2018-02-28 13:50       ` Agustin Vega-Frias

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