From: Arnaldo Carvalho de Melo <[email protected]> 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 <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: David Ahern <[email protected]> Cc: Don Zickus <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Jean Pihet <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Mike Galbraith <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Link: http://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- 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 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) diff --git a/tools/perf/util/thread_map.h b/tools/perf/util/thread_map.h index 0cd8b3108084..95313f43cc0f 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); -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
