diff options
| -rw-r--r-- | tools/perf/builtin-trace.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index b8fedf3f9921..fe39dc620179 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -2044,6 +2044,7 @@ static int trace__run(struct trace *trace, int argc, const char **argv) int err = -1, i; unsigned long before; const bool forks = argc > 0; + bool draining = false; char sbuf[STRERR_BUFSIZE]; trace->live = true; @@ -2171,8 +2172,12 @@ next_event: if (trace->nr_events == before) { int timeout = done ? 100 : -1; - if (perf_evlist__poll(evlist, timeout) > 0) + if (!draining && perf_evlist__poll(evlist, timeout) > 0) { + if (perf_evlist__filter_pollfd(evlist, POLLERR | POLLHUP) == 0) + draining = true; + goto again; + } } else { goto again; } |