diff options
Diffstat (limited to 'tools/perf/util/synthetic-events.c')
| -rw-r--r-- | tools/perf/util/synthetic-events.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/tools/perf/util/synthetic-events.c b/tools/perf/util/synthetic-events.c index 27acdc5e5723..84d17bd4efae 100644 --- a/tools/perf/util/synthetic-events.c +++ b/tools/perf/util/synthetic-events.c @@ -754,7 +754,7 @@ static int __event__synthesize_thread(union perf_event *comm_event, snprintf(filename, sizeof(filename), "%s/proc/%d/task", machine->root_dir, pid); - n = scandir(filename, &dirent, filter_task, alphasort); + n = scandir(filename, &dirent, filter_task, NULL); if (n < 0) return n; @@ -767,11 +767,12 @@ static int __event__synthesize_thread(union perf_event *comm_event, if (*end) continue; - rc = -1; + /* some threads may exit just after scan, ignore it */ if (perf_event__prepare_comm(comm_event, pid, _pid, machine, &tgid, &ppid, &kernel_thread) != 0) - break; + continue; + rc = -1; if (perf_event__synthesize_fork(tool, fork_event, _pid, tgid, ppid, process, machine) < 0) break; @@ -987,7 +988,7 @@ int perf_event__synthesize_threads(struct perf_tool *tool, return 0; snprintf(proc_path, sizeof(proc_path), "%s/proc", machine->root_dir); - n = scandir(proc_path, &dirent, filter_task, alphasort); + n = scandir(proc_path, &dirent, filter_task, NULL); if (n < 0) return err; |