[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Tue, 2 Feb 2016 22:05:37 +0900
From: Namhyung Kim <namhyung@...nel.org>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Ingo Molnar <mingo@...nel.org>,
Peter Zijlstra <peterz@...radead.org>,
Jiri Olsa <jolsa@...nel.org>,
LKML <linux-kernel@...r.kernel.org>,
Andi Kleen <andi@...stfloor.org>,
David Ahern <dsahern@...il.com>,
Frederic Weisbecker <fweisbec@...il.com>,
Wang Nan <wangnan0@...wei.com>
Subject: Re: [PATCH 03/10] perf report: Apply --percent-limit to callchains
also
Hi Arnaldo,
On Mon, Feb 01, 2016 at 05:19:36PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Thu, Jan 28, 2016 at 12:40:50AM +0900, Namhyung Kim escreveu:
> > Currently --percent-limit option only works for hist entries. However
> > it'd be better to have same effect to callchains as well
>
> Documentation needs updating? It says:
>
> --percent-limit::
> Do not show entries which have an overhead under that percent.
> (Default: 0).
Right. Is it ok to you?
--percent-limit::
Do not show entries and callchains which have an overhead under that
percent. (Default: 0).
Thanks,
Namhyung
>
>
> > Requested-by: Andi Kleen <andi@...stfloor.org>
> > Signed-off-by: Namhyung Kim <namhyung@...nel.org>
> > ---
> > tools/perf/builtin-report.c | 9 +++++++--
> > 1 file changed, 7 insertions(+), 2 deletions(-)
> >
> > diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
> > index 2bf537f190a0..72ed0b46d5a1 100644
> > --- a/tools/perf/builtin-report.c
> > +++ b/tools/perf/builtin-report.c
> > @@ -75,7 +75,10 @@ static int report__config(const char *var, const char *value, void *cb)
> > return 0;
> > }
> > if (!strcmp(var, "report.percent-limit")) {
> > - rep->min_percent = strtof(value, NULL);
> > + double pcnt = strtof(value, NULL);
> > +
> > + rep->min_percent = pcnt;
> > + callchain_param.min_percent = pcnt;
> > return 0;
> > }
> > if (!strcmp(var, "report.children")) {
> > @@ -633,8 +636,10 @@ parse_percent_limit(const struct option *opt, const char *str,
> > int unset __maybe_unused)
> > {
> > struct report *rep = opt->value;
> > + double pcnt = strtof(str, NULL);
> >
> > - rep->min_percent = strtof(str, NULL);
> > + rep->min_percent = pcnt;
> > + callchain_param.min_percent = pcnt;
> > return 0;
> > }
> >
> > --
> > 2.6.4
Powered by blists - more mailing lists