linux-kernel - [PATCH 9/9] perf top: Reuse report.percent-limit config variable

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Date:	Tue, 14 May 2013 11:09:07 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	Jiri Olsa <jolsa@...hat.com>, David Ahern <dsahern@...il.com>,
	Stephane Eranian <eranian@...gle.com>,
	Andi Kleen <andi@...stfloor.org>,
	Pekka Enberg <penberg@...nel.org>
Subject: [PATCH 9/9] perf top: Reuse report.percent-limit config variable

From: Namhyung Kim <namhyung.kim@....com>

Make the config variable also works for perf top.

Cc: Andi Kleen <andi@...stfloor.org>
Cc: Pekka Enberg <penberg@...nel.org>
Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
 tools/perf/builtin-top.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index f036af9b6f09..73fd40da47ba 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -1032,6 +1032,19 @@ parse_percent_limit(const struct option *opt, const char *arg,
 	return 0;
 }
 
+static int perf_top_config(const char *var, const char *value, void *cb)
+{
+	/* share report config variables */
+	if (!strcmp(var, "report.percent-limit")) {
+		struct perf_top *top = cb;
+
+		top->min_percent = strtof(value, NULL);
+		return 0;
+	}
+
+	return perf_default_config(var, value, cb);
+}
+
 int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused)
 {
 	int status;
@@ -1132,6 +1145,8 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused)
 
 	symbol_conf.exclude_other = false;
 
+	perf_config(perf_top_config, &top);
+
 	argc = parse_options(argc, argv, options, top_usage, 0);
 	if (argc)
 		usage_with_options(top_usage, options);
-- 
1.7.11.7

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