diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 92ca5419073b960f64111b1a176ec94340c0b108..d269dfa3ab0813ba2d60576d9ea9735c383224f0 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -88,7 +88,7 @@ static int write_output(struct perf_record *rec, void *buf, size_t size) int ret = write(rec->output, buf, size); if (ret < 0) { - pr_err("failed to write\n"); + pr_err("failed to write perf data, error: %m\n"); return -1; }