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From: Jiri Olsa <jolsa@redhat.com>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>,
	Ingo Molnar <mingo@kernel.org>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	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 5/6] perf tools: Add dynamic sort key for tracepoint events
Date: Tue, 15 Dec 2015 09:53:09 +0100	[thread overview]
Message-ID: <20151215085309.GD16565@krava.brq.redhat.com> (raw)
In-Reply-To: <1450107973-2447-6-git-send-email-namhyung@kernel.org>

On Tue, Dec 15, 2015 at 12:46:12AM +0900, Namhyung Kim wrote:

SNIP

> 
>   $ perf report -s comm,sched:sched_switch.next_pid,sched:sched_switch.next_comm --stdio
>   ...
>   # Overhead  Command            next_pid         next_comm
>   # ........  ...............  ..........  ................
>   #
>       20.86%  swapper               17773   transmission-gt
>        9.64%  transmission-gt           0         swapper/0
>        9.16%  transmission-gt           0         swapper/2
>        5.25%  swapper                 109      kworker/0:1H
>        5.21%  kworker/0:1H              0         swapper/0
>        2.14%  netctl-auto               0         swapper/2
>        1.98%  netctl-auto               0         swapper/0
>        1.98%  swapper                6524            Xephyr
>        1.98%  swapper               27478       netctl-auto
>        1.78%  transmission-gt           0         swapper/3
>        1.53%  Xephyr                    0         swapper/0
>        1.29%  netctl-auto               0         swapper/1
>        1.29%  swapper               27476       netctl-auto
>        1.21%  netctl-auto               0         swapper/3
>        1.17%  swapper                 233    irq/33-iwlwifi
> 
> Note that pid 0 exists for each cpu so have comm of 'swapper/N'.

could we also add by default all tracepoint fields in case none
is specified and the event to display is tracepoint?

also an extra field that would hold/show the 'print fmt' display ? 

thanks,
jirka

  reply	other threads:[~2015-12-15  8:53 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-14 15:46 [RFC/PATCHSET 0/6] perf tools: Support dynamic sort keys for tracepoints (v1) Namhyung Kim
2015-12-14 15:46 ` [PATCH 1/6] perf hist: Pass struct sample to __hists__add_entry() Namhyung Kim
2015-12-14 15:46 ` [PATCH 2/6] perf hist: Save raw_data/size for tracepoint events Namhyung Kim
2015-12-14 15:46 ` [PATCH 3/6] tools lib traceevent: Factor out and export print_event_field() Namhyung Kim
2015-12-14 15:46 ` [PATCH 4/6] perf tools: Pass evlist to setup_sorting() Namhyung Kim
2015-12-14 15:46 ` [PATCH 5/6] perf tools: Add dynamic sort key for tracepoint events Namhyung Kim
2015-12-15  8:53   ` Jiri Olsa [this message]
2015-12-15 12:07     ` Namhyung Kim
2015-12-15 12:22       ` Jiri Olsa
2015-12-15 12:37         ` Namhyung Kim
2015-12-14 15:46 ` [PATCH 6/6] perf tools: Try to show pretty printed output for dynamic sort keys Namhyung Kim
2015-12-15  9:03   ` Jiri Olsa
2015-12-15 10:36     ` Arnaldo Carvalho de Melo
2015-12-15 12:13       ` Namhyung Kim
2015-12-15 12:24         ` Jiri Olsa
2015-12-15 12:42           ` Namhyung Kim
2015-12-15 12:52             ` Jiri Olsa
2015-12-14 17:47 ` [RFC/PATCHSET 0/6] perf tools: Support dynamic sort keys for tracepoints (v1) Arnaldo Carvalho de Melo
2015-12-14 22:32   ` David Ahern
2015-12-15  1:41     ` Namhyung Kim

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