diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/builtin-record.c | 9 | ||||
| -rw-r--r-- | tools/perf/builtin-report.c | 5 |
2 files changed, 11 insertions, 3 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index e2cebc053bd..d7ebbd75754 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -461,7 +461,8 @@ static void atexit_header(void) { file_header.data_size += bytes_written; - pwrite(output, &file_header, sizeof(file_header), 0); + if (pwrite(output, &file_header, sizeof(file_header), 0) == -1) + perror("failed to write on file headers"); } static int __cmd_record(int argc, const char **argv) @@ -500,7 +501,11 @@ static int __cmd_record(int argc, const char **argv) } if (!file_new) { - read(output, &file_header, sizeof(file_header)); + if (read(output, &file_header, sizeof(file_header)) == -1) { + perror("failed to read file headers"); + exit(-1); + } + lseek(output, file_header.data_size, SEEK_CUR); } diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index de1b97845e9..5eb5566f0c9 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -1400,7 +1400,10 @@ static int __cmd_report(void) exit(0); } - read(input, &file_header, sizeof(file_header)); + if (read(input, &file_header, sizeof(file_header)) == -1) { + perror("failed to read file headers"); + exit(-1); + } if (sort__has_parent && !(file_header.sample_type & PERF_SAMPLE_CALLCHAIN)) { |