Commit-ID: 641556c98c821922a9a2121247b5fa25e4407d11
Gitweb: http://git.kernel.org/tip/641556c98c821922a9a2121247b5fa25e4407d11
Author: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Fri, 10 Oct 2014 12:03:46 -0300
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Tue, 14 Oct 2014 17:32:52 -0300
perf thread_map: Create dummy constructor out of open coded equivalent
Create a dummy thread_map, one that has just one entry and it is -1,
meaning 'all threads', as this ends up going down to perf_event_open().
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Don Zickus <dzickus@xxxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Jean Pihet <jean.pihet@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-8av26cz8uxmbnihl5mmrygp9@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/thread_map.c | 21 +++++++++++++--------
tools/perf/util/thread_map.h | 1 +
2 files changed, 14 insertions(+), 8 deletions(-)
diff --git a/tools/perf/util/thread_map.c b/tools/perf/util/thread_map.c
index 5d32159..f93b973 100644
--- a/tools/perf/util/thread_map.c
+++ b/tools/perf/util/thread_map.c
@@ -214,6 +214,17 @@ out_free_threads:
goto out;
}
+struct thread_map *thread_map__new_dummy(void)
+{
+ struct thread_map *threads = malloc(sizeof(*threads) + sizeof(pid_t));
+
+ if (threads != NULL) {
+ threads->map[0] = -1;
+ threads->nr = 1;
+ }
+ return threads;
+}
+
static struct thread_map *thread_map__new_by_tid_str(const char *tid_str)
{
struct thread_map *threads = NULL, *nt;
@@ -224,14 +235,8 @@ static struct thread_map *thread_map__new_by_tid_str(const char *tid_str)
struct strlist *slist;
/* perf-stat expects threads to be generated even if tid not given */
- if (!tid_str) {
- threads = malloc(sizeof(*threads) + sizeof(pid_t));
- if (threads != NULL) {
- threads->map[0] = -1;
- threads->nr = 1;
- }
- return threads;
- }
+ if (!tid_str)
+ return thread_map__new_dummy();
slist = strlist__new(false, tid_str);
if (!slist)
diff --git a/tools/perf/util/thread_map.h b/tools/perf/util/thread_map.h
index 0cd8b31..95313f4 100644
--- a/tools/perf/util/thread_map.h
+++ b/tools/perf/util/thread_map.h
@@ -9,6 +9,7 @@ struct thread_map {
pid_t map[];
};
+struct thread_map *thread_map__new_dummy(void);
struct thread_map *thread_map__new_by_pid(pid_t pid);
struct thread_map *thread_map__new_by_tid(pid_t tid);
struct thread_map *thread_map__new_by_uid(uid_t uid);
--
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