diff options
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/builtin-record.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 798a56d890e5..d18546f37d7c 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -448,7 +448,10 @@ try_again: } } - read(fd[nr_cpu][counter], &read_data, sizeof(read_data)); + if (read(fd[nr_cpu][counter], &read_data, sizeof(read_data)) == -1) { + perror("Unable to read perf file descriptor\n"); + exit(-1); + } perf_header_attr__add_id(h_attr, read_data.id); |
