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From: Jiri Olsa <jolsa@redhat.com>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Paul Mackerras <paulus@samba.org>, Ingo Molnar <mingo@kernel.org>,
	Namhyung Kim <namhyung.kim@lge.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	David Ahern <dsahern@gmail.com>,
	Stephane Eranian <eranian@google.com>,
	Jeremy Eder <jeder@redhat.com>
Subject: Re: [PATCHSET 00/17] perf tools: Introduce new 'ftrace' command (v4)
Date: Fri, 9 Aug 2013 12:30:36 +0200	[thread overview]
Message-ID: <20130809103036.GD1045@krava.brq.redhat.com> (raw)
In-Reply-To: <20130809102515.GB1045@krava.brq.redhat.com>

On Fri, Aug 09, 2013 at 12:25:15PM +0200, Jiri Olsa wrote:
> On Tue, Jul 30, 2013 at 06:18:57PM +0900, Namhyung Kim wrote:
> > This patchset implements a front-end tool for kernel's ftrace.  It
> > uses function_graph tracer by default and normal function tracer is
> > also supported.  (Of course you need to enable those tracers in your
> > kernel first.)
> > 
> > v4 changes:
> >  * use pid instead of tid for -p option (David)
> >  * not to poll() for reading ftrace pipes (Jiri)
> >  * rename to create_perf_header() (Jiri)
> >  * canonicalize directory name (Jiri)
> >  * show more info when -D option was given (Jiri)
> >  * update documentation (Jiri)
> >  * and few more bug fixes
> > 
> > I pushed it out to 'perf/ftrace-v4' branch on my tree at:
> > 
> >   git://git.kernel.org/pub/scm/linux/kernel/git/namhyung/linux-perf.git
> 
> also, this one works now:
> 
> ./perf --no-pager ftrace live -t function -p `pgrep yes`
> 
> but if I kill 'yes' perf live commands hangs,
> I'd expect it'd stop

on the other hand it looks like it's common behaviour
for standard record/stat... ;-)

jirka

      reply	other threads:[~2013-08-09 10:31 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-30  9:18 Namhyung Kim
2013-07-30  9:18 ` [PATCH 01/17] perf util: Save pid-cmdline mapping into tracing header Namhyung Kim
2013-07-30 13:28   ` Arnaldo Carvalho de Melo
2013-07-31  0:51     ` Namhyung Kim
2013-07-31 14:07       ` Arnaldo Carvalho de Melo
2013-08-05  7:17         ` Namhyung Kim
2013-08-07 13:44           ` David Ahern
2013-08-09  5:51             ` Namhyung Kim
2013-07-30  9:18 ` [PATCH 02/17] perf util: Add more debug message on failure path Namhyung Kim
2013-07-30 13:33   ` Arnaldo Carvalho de Melo
2013-07-30  9:19 ` [PATCH 03/17] perf tools: Introduce new 'ftrace' tool Namhyung Kim
2013-07-30  9:19 ` [PATCH 04/17] perf ftrace: Add support for --pid option Namhyung Kim
2013-07-30  9:19 ` [PATCH 05/17] perf ftrace: Add support for -a and -C option Namhyung Kim
2013-07-30  9:19 ` [PATCH 06/17] perf ftrace: Split "live" sub-command Namhyung Kim
2013-07-30  9:19 ` [PATCH 07/17] perf ftrace: Add 'record' sub-command Namhyung Kim
2013-07-30  9:19 ` [PATCH 08/17] perf ftrace: Add 'show' sub-command Namhyung Kim
2013-07-30  9:19 ` [PATCH 09/17] perf ftrace: Add 'report' sub-command Namhyung Kim
2013-07-30  9:19 ` [PATCH 10/17] perf ftrace: Add dump_printf() for low-level debugging Namhyung Kim
2013-07-30  9:19 ` [PATCH 11/17] perf ftrace: Use pager for displaying result Namhyung Kim
2013-07-30  9:19 ` [PATCH 12/17] perf ftrace: Cleanup using ftrace_setup/teardown() Namhyung Kim
2013-07-30  9:19 ` [PATCH 13/17] perf tools: Add document for perf-ftrace command Namhyung Kim
2013-07-30  9:19 ` [PATCH 14/17] perf ftrace: Add a signal handler for SIGSEGV Namhyung Kim
2013-07-30  9:19 ` [PATCH 15/17] perf ftrace: Add --clock option Namhyung Kim
2013-07-30  9:19 ` [PATCH 16/17] perf ftrace: Show leaf-functions as oneliner Namhyung Kim
2013-07-30  9:19 ` [PATCH 17/17] perf ftrace: Tidy up the function graph output of 'show' subcommand Namhyung Kim
2013-08-01 12:02 ` [PATCHSET 00/17] perf tools: Introduce new 'ftrace' command (v4) Jiri Olsa
2013-08-02  9:16   ` Ingo Molnar
2013-08-05  7:44     ` Namhyung Kim
     [not found]   ` <51FB2B90.6090602@gmail.com>
2013-08-02 13:33     ` [PATCH] perf tools: Renaming 'time' variable in perf_time_to_tsc due to name shadowing error Jiri Olsa
2013-08-03 19:23       ` Adrian Hunter
2013-08-05  7:47         ` Jiri Olsa
2013-08-09 10:23 ` [PATCHSET 00/17] perf tools: Introduce new 'ftrace' command (v4) Jiri Olsa
2013-08-13  2:20   ` Namhyung Kim
2013-08-28 14:57     ` Jeremy Eder
2013-08-29  2:56       ` Namhyung Kim
2013-08-09 10:25 ` Jiri Olsa
2013-08-09 10:30   ` Jiri Olsa [this message]

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