Date: Fri, 9 Aug 2013 12:25:15 +0200
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)
Message-ID: <20130809102515.GB1045@krava.brq.redhat.com>
References: <1375175954-798-1-git-send-email-namhyung@kernel.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <1375175954-798-1-git-send-email-namhyung@kernel.org>
User-Agent: Mutt/1.5.21 (2010-09-15)
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1148
Lines: 32

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

jirka
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/