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From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Jiri Olsa <jolsa@kernel.org>
Cc: lkml <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@kernel.org>,
	Namhyung Kim <namhyung@kernel.org>,
	David Ahern <dsahern@gmail.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [PATCH 3/9] perf stat: Keep the / modifier separator in fallback
Date: Mon, 23 Apr 2018 11:16:29 -0300	[thread overview]
Message-ID: <20180423141629.GB30324@kernel.org> (raw)
In-Reply-To: <20180423090823.32309-4-jolsa@kernel.org>

Em Mon, Apr 23, 2018 at 11:08:17AM +0200, Jiri Olsa escreveu:
> The perf stat fallback for EACCES error sets exclude_kernel
> for event and repeats the open. In addition, it also changes
> the name of the event to reflect that change by adding the
> 'u' modifier.
> 
> But it does not take into account the '/' separator, so the
> event name can end up mangled, like:
> (note the '/:' characters)
> 
>   $ perf stat -e cpu/cpu-cycles/ kill
>   ...
>              386,832      cpu/cpu-cycles/:u
> 
> Adding the code to check on the '/' separatos and set
> following event name:
> 
>   $ perf stat -e cpu/cpu-cycles/ kill
>   ...
>              388,548      cpu/cpu-cycles/u

Thanks, tested, reproduced and applied to perf/urgent

- Arnaldo

  reply	other threads:[~2018-04-23 14:16 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-23  9:08 [PATCH 0/9] perf tools: Assorted fixes Jiri Olsa
2018-04-23  9:08 ` [PATCH 1/9] perf check-headers.sh: Simplify arguments passing Jiri Olsa
2018-05-02 17:40   ` [tip:perf/core] " tip-bot for Jiri Olsa
2018-04-23  9:08 ` [PATCH 2/9] perf check-headers.sh: Add support to check 2 independent files Jiri Olsa
2018-04-23 14:28   ` Arnaldo Carvalho de Melo
2018-05-02 17:41   ` [tip:perf/core] " tip-bot for Jiri Olsa
2018-04-23  9:08 ` [PATCH 3/9] perf stat: Keep the / modifier separator in fallback Jiri Olsa
2018-04-23 14:16   ` Arnaldo Carvalho de Melo [this message]
2018-04-26  5:53   ` [tip:perf/urgent] " tip-bot for Jiri Olsa
2018-04-23  9:08 ` [PATCH 4/9] perf tools: Fix pmu events parsing rule Jiri Olsa
2018-04-23 14:20   ` Arnaldo Carvalho de Melo
2018-04-23 14:25     ` Jiri Olsa
2018-04-26  5:54   ` [tip:perf/urgent] perf pmu: " tip-bot for Jiri Olsa
2018-04-23  9:08 ` [PATCH 5/9] perf tools: Disable write_backward for leader sampling group events Jiri Olsa
2018-04-23 14:23   ` Arnaldo Carvalho de Melo
2018-04-26  5:54   ` [tip:perf/urgent] perf evsel: " tip-bot for Jiri Olsa
2018-04-23  9:08 ` [PATCH 6/9] perf stat: Display time in precision based on std deviation Jiri Olsa
2018-04-23 14:40   ` Arnaldo Carvalho de Melo
2018-05-02 17:41   ` [tip:perf/core] " tip-bot for Jiri Olsa
2018-04-23  9:08 ` [PATCH 7/9] perf stat: Add --table option to display time of each run Jiri Olsa
2018-04-23 14:41   ` Arnaldo Carvalho de Melo
2018-04-23 15:29     ` Jiri Olsa
2018-05-02 17:42   ` [tip:perf/core] " tip-bot for Jiri Olsa
2018-04-23  9:08 ` [PATCH 8/9] perf stat: Display length strings of each run for --table option Jiri Olsa
2018-05-02 17:42   ` [tip:perf/core] " tip-bot for Jiri Olsa
2018-04-23  9:08 ` [PATCH 9/9] perf stat: Display user and system time Jiri Olsa
2018-04-23 14:51   ` Arnaldo Carvalho de Melo
2018-04-23 15:30     ` Jiri Olsa
2018-04-23 18:48 ` [PATCH 0/9] perf tools: Assorted fixes Arnaldo Carvalho de Melo

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