From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Jiri Olsa <jolsa@redhat.com>, LKML <linux-kernel@vger.kernel.org>,
David Ahern <dsahern@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
Andi Kleen <andi@firstfloor.org>, Wang Nan <wangnan0@huawei.com>
Subject: Re: [PATCH 06/13] perf tools: Try to show pretty printed output for dynamic sort keys
Date: Mon, 4 Jan 2016 12:16:26 -0300 [thread overview]
Message-ID: <20160104151626.GB5462@kernel.org> (raw)
In-Reply-To: <1450804030-29193-7-git-send-email-namhyung@kernel.org>
Em Wed, Dec 23, 2015 at 02:07:03AM +0900, Namhyung Kim escreveu:
> Each tracepoint event has format string for print to improve
> readability. Try to parse the output and match the field name. If it
> finds one, use that for the result. If not, fallbacks to the original
> output.
>
> For example, sort on kmem:kmalloc.gfp_flags looks like below:
> (Note: libtraceevent plugins are not installed on my system. They might
> affect the output below)
>
> Before:
> # Overhead Command gfp_flags
> # ........ ....... ..........
> #
> 99.89% perf 32848
> 0.06% sleep 208
> 0.03% perf 32976
> 0.01% perf 208
>
> After:
> # Overhead Command gfp_flags
> # ........ ....... ...................
> #
> 99.89% perf GFP_NOFS|GFP_ZERO
> 0.06% sleep GFP_KERNEL
> 0.03% perf GFP_KERNEL|GFP_ZERO
> 0.01% perf GFP_KERNEL
>
> Cc: Steven Rostedt <rostedt@goodmis.org>
> Signed-off-by: Namhyung Kim <namhyung@kernel.org>
> ---
> tools/perf/util/hist.c | 1 +
> tools/perf/util/sort.c | 105 ++++++++++++++++++++++++++++++++++++++++++++++---
> tools/perf/util/sort.h | 1 +
> 3 files changed, 102 insertions(+), 5 deletions(-)
>
> diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
> index c0c92a3daa69..ef1a4a5cc610 100644
> --- a/tools/perf/util/hist.c
> +++ b/tools/perf/util/hist.c
> @@ -978,6 +978,7 @@ void hist_entry__delete(struct hist_entry *he)
> if (he->srcfile && he->srcfile[0])
> free(he->srcfile);
> free_callchain(he->callchain);
> + free(he->trace_output);
> free(he);
> }
This clashed with an updated patch earlier in this this patchkit
("[PATCH v4.1 02/13] perf hist: Save raw_data/size for tracepoint events"),
fixing it.
- Arnaldo
next prev parent reply other threads:[~2016-01-04 15:16 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-22 17:06 [PATCHSET 00/10] perf tools: Support dynamic sort keys for tracepoints (v4) Namhyung Kim
2015-12-22 17:06 ` [PATCH 01/13] perf hist: Pass struct sample to __hists__add_entry() Namhyung Kim
2016-01-09 16:22 ` [tip:perf/core] " tip-bot for Namhyung Kim
2015-12-22 17:06 ` [PATCH 02/13] perf hist: Save raw_data/size for tracepoint events Namhyung Kim
2015-12-23 21:43 ` Arnaldo Carvalho de Melo
2015-12-24 0:45 ` Namhyung Kim
2015-12-24 1:19 ` Arnaldo Carvalho de Melo
2015-12-24 1:05 ` [PATCH v4.1 " Namhyung Kim
2015-12-24 1:39 ` Arnaldo Carvalho de Melo
2015-12-24 2:16 ` [PATCH v4.2 " Namhyung Kim
2016-01-09 16:22 ` [tip:perf/core] perf hist: Save raw_data/ size " tip-bot for Namhyung Kim
2015-12-22 17:07 ` [PATCH 03/13] tools lib traceevent: Factor out and export print_event_field[s] Namhyung Kim
2015-12-23 8:50 ` Wangnan (F)
2015-12-23 13:08 ` [PATCH v4.1 " Namhyung Kim
2016-01-04 15:31 ` Steven Rostedt
2016-01-04 18:34 ` Arnaldo Carvalho de Melo
2016-01-09 16:22 ` [tip:perf/core] tools lib traceevent: Factor out and export print_event_field[s]() tip-bot for Namhyung Kim
2015-12-22 17:07 ` [PATCH 04/13] perf tools: Pass evlist to setup_sorting() Namhyung Kim
2016-01-09 16:23 ` [tip:perf/core] perf top: Create the evlist sooner tip-bot for Namhyung Kim
2016-01-09 16:23 ` [tip:perf/core] perf tools: Pass evlist to setup_sorting() tip-bot for Namhyung Kim
2015-12-22 17:07 ` [PATCH 05/13] perf tools: Add dynamic sort key for tracepoint events Namhyung Kim
2016-01-04 15:04 ` Arnaldo Carvalho de Melo
2016-01-09 16:23 ` [tip:perf/core] " tip-bot for Namhyung Kim
2015-12-22 17:07 ` [PATCH 06/13] perf tools: Try to show pretty printed output for dynamic sort keys Namhyung Kim
2016-01-04 15:16 ` Arnaldo Carvalho de Melo [this message]
2016-01-09 16:24 ` [tip:perf/core] " tip-bot for Namhyung Kim
2015-12-22 17:07 ` [PATCH 07/13] perf tools: Add 'trace' sort key Namhyung Kim
2016-01-09 16:24 ` [tip:perf/core] " tip-bot for Namhyung Kim
2015-12-22 17:07 ` [PATCH 08/13] perf tools: Add --raw-trace option Namhyung Kim
2016-01-09 16:24 ` [tip:perf/core] perf report/top: " tip-bot for Namhyung Kim
2015-12-22 17:07 ` [PATCH 09/13] perf tools: Support shortcuts for events in dynamic sort keys Namhyung Kim
2016-01-09 16:25 ` [tip:perf/core] " tip-bot for Namhyung Kim
2015-12-22 17:07 ` [PATCH 10/13] perf tools: Support '<event>.*' dynamic sort key Namhyung Kim
2016-01-09 16:25 ` [tip:perf/core] " tip-bot for Namhyung Kim
2015-12-22 17:07 ` [PATCH 11/13] perf tools: Skip dynamic fields not defined for current event Namhyung Kim
2016-01-09 16:25 ` [tip:perf/core] " tip-bot for Namhyung Kim
2015-12-22 17:07 ` [PATCH 12/13] perf tools: Add 'trace_fields' dynamic sort key Namhyung Kim
2016-01-05 10:58 ` [PATCH v2 1/5] perf tools: Fix segfault when using -s trace_fields Namhyung Kim
2016-01-05 10:58 ` [PATCH v2 2/5] perf tools: Add all matching dynamic sort keys for field name Namhyung Kim
2016-01-05 14:20 ` Jiri Olsa
2016-01-09 16:28 ` [tip:perf/core] " tip-bot for Namhyung Kim
2016-01-05 10:58 ` [PATCH v2 3/5] perf tools: Add document for dynamic sort keys Namhyung Kim
2016-01-09 16:28 ` [tip:perf/core] perf report: Add documentation " tip-bot for Namhyung Kim
2016-01-05 10:58 ` [PATCH v2 4/5] perf tools: Support dynamic sort keys for -F/--fields Namhyung Kim
2016-01-05 22:16 ` Arnaldo Carvalho de Melo
2016-01-05 23:57 ` Namhyung Kim
2016-01-05 10:58 ` [PATCH v2 5/5] perf evlist: Add -T/--trace option to show trace fields Namhyung Kim
2016-01-05 22:23 ` Arnaldo Carvalho de Melo
2016-01-06 0:00 ` Namhyung Kim
2016-01-06 1:52 ` Arnaldo Carvalho de Melo
2016-01-05 21:50 ` [PATCH v2 1/5] perf tools: Fix segfault when using -s trace_fields Arnaldo Carvalho de Melo
2016-01-05 23:39 ` Namhyung Kim
2016-01-09 16:26 ` [tip:perf/core] perf tools: Add 'trace_fields' dynamic sort key tip-bot for Namhyung Kim
2015-12-22 17:07 ` [PATCH 13/13] perf tools: Make 'trace' or 'trace_fields' sort key default for tracepoint events Namhyung Kim
2016-01-09 16:26 ` [tip:perf/core] " tip-bot for Namhyung Kim
2015-12-23 8:46 ` [PATCHSET 00/10] perf tools: Support dynamic sort keys for tracepoints (v4) Jiri Olsa
2015-12-23 13:10 ` Namhyung Kim
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