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@firstfloor.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1453909257-26015-4-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 2bf537f..72ed0b4 100644 (file)
--- 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;
 }