Re: [PATCH V3] perf tools: Clarify the output of perf sched map.

Jiri Olsa
2014-05-06T12:45:07Z

On Tue, May 06, 2014 at 09:23:04AM +0200, Ingo Molnar wrote:
>
> * Dongsheng Yang <yangds.fnst@cn.fujitsu.com> wrote:
>
> > From: Dongsheng <yangds.fnst@cn.fujitsu.com>
> >
> > In output of perf sched map, any shortname of thread will be explained
> > at the first time when it appear.
> >
> > Example:
> > *A0 228836.978985 secs A0 => perf:23032
> > *. A0 228836.979016 secs B0 => swapper:0
> > . *C0 228836.979099 secs C0 => migration/3:22
> > *A0 . C0 228836.979115 secs
> > A0 . *. 228836.979115 secs
> >
> > But B0, which is explained as swapper:0 did not appear in the
> > left part of output. Instead, we use '.' as the shortname of
> > swapper:0. So the comment of "B0 => swapper:0" is not easy to
> > understand.
> >
> > This patch clarify the output of perf sched map with not allocating
> > one letter-number shortname for swapper:0 and print ". => swapper:0"
> > as the explaination for swapper:0.
> >
> > Example:
> > *A0 228836.978985 secs A0 => perf:23032
> > * . A0 228836.979016 secs . => swapper:0
> > . *B0 228836.979099 secs B0 => migration/3:22
> > *A0 . B0 228836.979115 secs
> > A0 . * . 228836.979115 secs
> > A0 *C0 . 228836.979225 secs C0 => ksoftirqd/2:18
> > A0 *D0 . 228836.979236 secs D0 => rcu_sched:7
> >
> > Signed-off-by: Dongsheng <yangds.fnst@cn.fujitsu.com>
> > Acked-by: Ingo Molnar <mingo@kernel.org>
>
> Looks good to me, thanks!

thanks, I'll queue this patchset

jirka