linux-kernel - [PATCH 09/10] perf tools: Introduce callgraph

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Message-Id: <1438273028-5191-10-git-send-email-acme@kernel.org>
Date:	Thu, 30 Jul 2015 13:17:07 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org, Kan Liang <kan.liang@...el.com>,
	Andi Kleen <ak@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 09/10] perf tools: Introduce callgraph_set for callgraph option

From: Kan Liang <kan.liang@...el.com>

Introduce callgraph_set to indicate whether the callgraph option was set
by user.

Signed-off-by: Kan Liang <kan.liang@...el.com>
Cc: Andi Kleen <ak@...ux.intel.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Link: http://lkml.kernel.org/r/1438162936-59698-4-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/builtin-record.c | 9 +++++++--
 tools/perf/perf.h           | 1 +
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 445a64d19625..f51131b11ad7 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -762,12 +762,14 @@ static void callchain_debug(void)
 			 callchain_param.dump_size);
 }
 
-int record_parse_callchain_opt(const struct option *opt __maybe_unused,
+int record_parse_callchain_opt(const struct option *opt,
 			       const char *arg,
 			       int unset)
 {
 	int ret;
+	struct record_opts *record = (struct record_opts *)opt->value;
 
+	record->callgraph_set = true;
 	callchain_param.enabled = !unset;
 
 	/* --no-call-graph */
@@ -784,10 +786,13 @@ int record_parse_callchain_opt(const struct option *opt __maybe_unused,
 	return ret;
 }
 
-int record_callchain_opt(const struct option *opt __maybe_unused,
+int record_callchain_opt(const struct option *opt,
 			 const char *arg __maybe_unused,
 			 int unset __maybe_unused)
 {
+	struct record_opts *record = (struct record_opts *)opt->value;
+
+	record->callgraph_set = true;
 	callchain_param.enabled = true;
 
 	if (callchain_param.record_mode == CALLCHAIN_NONE)
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index cf459f89fc9b..cccb4cf575d3 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -52,6 +52,7 @@ struct record_opts {
 	bool	     sample_weight;
 	bool	     sample_time;
 	bool	     sample_time_set;
+	bool	     callgraph_set;
 	bool	     period;
 	bool	     sample_intr_regs;
 	bool	     running_time;
-- 
2.1.0

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