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perf report: Add report.children config option

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Add report.children config option for setting default value of
callchain accumulation.  It affects the report output only if
perf.data contains callchain info.

A user can write .perfconfig file like below to enable accumulation
by default:

  $ cat ~/.perfconfig
  [report]
  children = true

And it can be disabled through command line:

  $ perf report --no-children

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Arun Sharma <asharma@fb.com>
Tested-by: Rodrigo Campos <rodrigo@sdfg.com.ar>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/r/1401335910-16832-17-git-send-email-namhyung@kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
This commit is contained in:
Namhyung Kim 2013-01-22 18:09:46 +09:00 committed by Jiri Olsa
parent 793aaaabb7
commit 8d8e645cea
1 changed files with 4 additions and 0 deletions
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4
tools/perf/builtin-report.c
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@ -72,6 +72,10 @@ static int report__config(const char *var, const char *value, void *cb)
rep->min_percent = strtof(value, NULL);
return 0;
}
if (!strcmp(var, "report.children")) {
symbol_conf.cumulate_callchain = perf_config_bool(var, value);
return 0;
}
return perf_default_config(var, value, cb);
}