diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-10-10 19:03:46 +0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-10-15 00:32:52 +0400 |
| commit | 641556c98c821922a9a2121247b5fa25e4407d11 (patch) | |
| tree | dadcb5fb2cceb02388bf62b5025f6b23eb07aefe /tools/perf/util/thread_map.c | |
| parent | a635fc511e05774298153e3ddfef7c4cd51a1bb4 (diff) | |
| download | linux-641556c98c821922a9a2121247b5fa25e4407d11.tar.xz | |
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@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-8av26cz8uxmbnihl5mmrygp9@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/thread_map.c')
| -rw-r--r-- | tools/perf/util/thread_map.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/tools/perf/util/thread_map.c b/tools/perf/util/thread_map.c index 5d3215912105..f93b9734735b 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) |