Re: [PATCH 06/19] perf ftrace: Add support for --pid option

From: Jiri Olsa
Date: Wed Jul 10 2013 - 10:18:54 EST


On Wed, Jun 26, 2013 at 04:14:09PM +0900, Namhyung Kim wrote:
> From: Namhyung Kim <namhyung.kim@xxxxxxx>
>
> The -p (--pid) option enables to trace existing process by its pid.

hi,
I can't get any output from -p for live subcommand:

[jolsa@krava perf]$ pgrep yes
6443
[jolsa@krava perf]$ sudo ./perf ftrace live -p `pgrep yes`

jirka
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