diff options
Diffstat (limited to 'tools/perf/builtin-record.c')
| -rw-r--r-- | tools/perf/builtin-record.c | 32 |
1 files changed, 9 insertions, 23 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 0a8ba1323d64..a94516e8c522 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -1926,7 +1926,7 @@ static void __record__save_lost_samples(struct record *rec, struct evsel *evsel, static void record__read_lost_samples(struct record *rec) { struct perf_session *session = rec->session; - struct perf_record_lost_samples *lost = NULL; + struct perf_record_lost_samples_and_ids lost; struct evsel *evsel; /* there was an error during record__open */ @@ -1951,19 +1951,13 @@ static void record__read_lost_samples(struct record *rec) if (perf_evsel__read(&evsel->core, x, y, &count) < 0) { pr_debug("read LOST count failed\n"); - goto out; + return; } if (count.lost) { - if (!lost) { - lost = zalloc(PERF_SAMPLE_MAX_SIZE); - if (!lost) { - pr_debug("Memory allocation failed\n"); - return; - } - lost->header.type = PERF_RECORD_LOST_SAMPLES; - } - __record__save_lost_samples(rec, evsel, lost, + memset(&lost, 0, sizeof(lost)); + lost.lost.header.type = PERF_RECORD_LOST_SAMPLES; + __record__save_lost_samples(rec, evsel, &lost.lost, x, y, count.lost, 0); } } @@ -1971,20 +1965,12 @@ static void record__read_lost_samples(struct record *rec) lost_count = perf_bpf_filter__lost_count(evsel); if (lost_count) { - if (!lost) { - lost = zalloc(PERF_SAMPLE_MAX_SIZE); - if (!lost) { - pr_debug("Memory allocation failed\n"); - return; - } - lost->header.type = PERF_RECORD_LOST_SAMPLES; - } - __record__save_lost_samples(rec, evsel, lost, 0, 0, lost_count, + memset(&lost, 0, sizeof(lost)); + lost.lost.header.type = PERF_RECORD_LOST_SAMPLES; + __record__save_lost_samples(rec, evsel, &lost.lost, 0, 0, lost_count, PERF_RECORD_MISC_LOST_SAMPLES_BPF); } } -out: - free(lost); } static volatile sig_atomic_t workload_exec_errno; @@ -3196,7 +3182,7 @@ static int switch_output_setup(struct record *rec) unsigned long val; /* - * If we're using --switch-output-events, then we imply its + * If we're using --switch-output-events, then we imply its * --switch-output=signal, as we'll send a SIGUSR2 from the side band * thread to its parent. */ |