linux-kernel - [PATCH 18/54] perf evlist: Do not pass struct record_opts to perf_evlist__prepare

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Date:	Mon, 18 Mar 2013 13:25:03 -0300
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org, Namhyung Kim <namhyung.kim@....com>,
	Namhyung Kim <namhyung@...nel.org>,
	David Ahern <dsahern@...il.com>, Jiri Olsa <jolsa@...hat.com>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 18/54] perf evlist: Do not pass struct record_opts to perf_evlist__prepare_workload()

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

Since it's only used for checking ->pipe_output, we can pass the result
directly.

Now the perf_evlist__prepare_workload() don't have a dependency of
struct perf_record_opts, it can be called from other places like perf
stat.

Signed-off-by: Namhyung Kim <namhyung@...nel.org>
Cc: David Ahern <dsahern@...il.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Link: http://lkml.kernel.org/r/1362987798-24969-5-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/builtin-record.c    |    2 +-
 tools/perf/builtin-trace.c     |    2 +-
 tools/perf/tests/perf-record.c |    2 +-
 tools/perf/util/evlist.c       |    5 ++---
 tools/perf/util/evlist.h       |    3 +--
 5 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index a803017..2a43c44 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -475,7 +475,7 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv)
 
 	if (forks) {
 		err = perf_evlist__prepare_workload(evsel_list, &opts->target,
-						    opts, argv);
+						    argv, opts->pipe_output);
 		if (err < 0) {
 			pr_err("Couldn't run the workload!\n");
 			goto out_delete_session;
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 1de3971..3d9944c 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -462,7 +462,7 @@ static int trace__run(struct trace *trace, int argc, const char **argv)
 
 	if (forks) {
 		err = perf_evlist__prepare_workload(evlist, &trace->opts.target,
-						    &trace->opts, argv);
+						    argv, false);
 		if (err < 0) {
 			printf("Couldn't run the workload!\n");
 			goto out_delete_evlist;
diff --git a/tools/perf/tests/perf-record.c b/tools/perf/tests/perf-record.c
index adf6b4a..a1c41b7 100644
--- a/tools/perf/tests/perf-record.c
+++ b/tools/perf/tests/perf-record.c
@@ -93,7 +93,7 @@ int test__PERF_RECORD(void)
 	 * so that we have time to open the evlist (calling sys_perf_event_open
 	 * on all the fds) and then mmap them.
 	 */
-	err = perf_evlist__prepare_workload(evlist, &opts.target, &opts, argv);
+	err = perf_evlist__prepare_workload(evlist, &opts.target, argv, false);
 	if (err < 0) {
 		pr_debug("Couldn't run the workload!\n");
 		goto out_delete_maps;
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 291884c..9a337f0 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -746,8 +746,7 @@ out_err:
 
 int perf_evlist__prepare_workload(struct perf_evlist *evlist,
 				  struct perf_target *target,
-				  struct perf_record_opts *opts,
-				  const char *argv[])
+				  const char *argv[], bool pipe_output)
 {
 	int child_ready_pipe[2], go_pipe[2];
 	char bf;
@@ -769,7 +768,7 @@ int perf_evlist__prepare_workload(struct perf_evlist *evlist,
 	}
 
 	if (!evlist->workload.pid) {
-		if (opts->pipe_output)
+		if (pipe_output)
 			dup2(2, 1);
 
 		close(child_ready_pipe[0]);
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index e089906..276a5ac 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -87,8 +87,7 @@ void perf_evlist__config(struct perf_evlist *evlist,
 
 int perf_evlist__prepare_workload(struct perf_evlist *evlist,
 				  struct perf_target *target,
-				  struct perf_record_opts *opts,
-				  const char *argv[]);
+				  const char *argv[], bool pipe_output);
 int perf_evlist__start_workload(struct perf_evlist *evlist);
 
 int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages,
-- 
1.7.1

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