| Message ID | 190456-3054-1-git-send-email-yuwang.yu@huawei.com |
|---|---|
| State | New, archived |
| Headers | show |
| Series |
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| Related | show |
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index c3efdfb..0b242eb 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -486,7 +486,9 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) if (hits == rec->samples) { if (done || draining) break; - err = perf_evlist__poll(rec->evlist, -1); + do{ + err = perf_evlist__poll(rec->evlist, 1000); + }while((0 == err) && !done); /* * Propagate error, only if there's any. Ignore positive * number of returned events and interrupt error.
If the child process exited between the following code, the child process will keep zomible status and perf process will keep "poll" forever if (done || draining) break; ---//child process exit, done to 1 err = perf_evlist__poll(rec->evlist,-1); so, change timeout to 1 second. --- tools/perf/builtin-record.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)