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perf top: Add top.children config option

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Add top.children config option for setting default value of
callchain accumulation.  It affects the output only if one of
-g or --call-graph option is given as well.

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

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

And it can be disabled through command line:

  $ perf top --no-children

Signed-off-by: Namhyung Kim <[email protected]>
Tested-by: Arun Sharma <[email protected]>
Tested-by: Rodrigo Campos <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Jiri Olsa <[email protected]>
This commit is contained in:
Namhyung Kim 2013-01-22 18:09:46 +09:00 • committed by Jiri Olsa
commit 104ac991bd
1 changed files with 4 additions and 0 deletions
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4
tools/perf/builtin-top.c
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@ -1004,6 +1004,10 @@ static int perf_top_config(const char *var, const char *value, void *cb)
if (!strcmp(var, "top.call-graph"))
return record_parse_callchain(value, &top->record_opts);
if (!strcmp(var, "top.children")) {
symbol_conf.cumulate_callchain = perf_config_bool(var, value);
return 0;
}
return perf_default_config(var, value, cb);
}