perf evlist: Pass struct perf_target to perf_evlist__prepare_workload()

It's a preparation step of removing @opts arg from the function so that
it can be used more widely.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1362987798-24969-4-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index e3261ea..a803017 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -474,7 +474,8 @@
 	}
 
 	if (forks) {
-		err = perf_evlist__prepare_workload(evsel_list, opts, argv);
+		err = perf_evlist__prepare_workload(evsel_list, &opts->target,
+						    opts, argv);
 		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 6198eb1..1de3971 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -461,7 +461,8 @@
 	signal(SIGINT, sig_handler);
 
 	if (forks) {
-		err = perf_evlist__prepare_workload(evlist, &trace->opts, argv);
+		err = perf_evlist__prepare_workload(evlist, &trace->opts.target,
+						    &trace->opts, argv);
 		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 f6ba75a..adf6b4a 100644
--- a/tools/perf/tests/perf-record.c
+++ b/tools/perf/tests/perf-record.c
@@ -93,7 +93,7 @@
 	 * 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, argv);
+	err = perf_evlist__prepare_workload(evlist, &opts.target, &opts, argv);
 	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 7d71a69..291884c 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -745,6 +745,7 @@
 }
 
 int perf_evlist__prepare_workload(struct perf_evlist *evlist,
+				  struct perf_target *target,
 				  struct perf_record_opts *opts,
 				  const char *argv[])
 {
@@ -800,7 +801,7 @@
 		exit(-1);
 	}
 
-	if (perf_target__none(&opts->target))
+	if (perf_target__none(target))
 		evlist->threads->map[0] = evlist->workload.pid;
 
 	close(child_ready_pipe[1]);
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 9a7b76e..e089906 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -86,6 +86,7 @@
 			 struct perf_record_opts *opts);
 
 int perf_evlist__prepare_workload(struct perf_evlist *evlist,
+				  struct perf_target *target,
 				  struct perf_record_opts *opts,
 				  const char *argv[]);
 int perf_evlist__start_workload(struct perf_evlist *evlist);