[tip:perf/core] perf report: Apply --percent-limit to callchains also

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Commit-ID:  2665b4528d0522ef073c2bde33cf9a7bd7391164
Gitweb:     http://git.kernel.org/tip/2665b4528d0522ef073c2bde33cf9a7bd7391164
Author:     Namhyung Kim <namhyung@xxxxxxxxxx>
AuthorDate: Thu, 28 Jan 2016 00:40:50 +0900
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Mon, 1 Feb 2016 17:12:00 -0300

perf report: Apply --percent-limit to callchains also

Currently --percent-limit option only works for hist entries.  However
it'd be better to have same effect to callchains as well

Requested-by: Andi Kleen <andi@xxxxxxxxxxxxxx>
Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1453909257-26015-4-git-send-email-namhyung@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 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 2bf537f..72ed0b4 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;
 }
 
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