perf session: Parse sample earlier

[deliverable/linux.git] / tools / perf / builtin-diff.c

diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 221b823bc26fc6826a46904a9251cbb5422c64da..5e1a043aae038154c5c27a1199d753a8f1f019c0 100644 (file)
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -30,12 +30,13 @@ static int hists__add_entry(struct hists *self,
        return -ENOMEM;
 }
 
-static int diff__process_sample_event(event_t *event, struct perf_session *session)
+static int diff__process_sample_event(event_t *event,
+                                     struct sample_data *sample,
+                                     struct perf_session *session)
 {
        struct addr_location al;
-       struct sample_data data = { .period = 1, };
 
-       if (event__preprocess_sample(event, session, &al, &data, NULL) < 0) {
+       if (event__preprocess_sample(event, session, &al, sample, NULL) < 0) {
                pr_warning("problem processing %d event, skipping it.\n",
                           event->header.type);
                return -1;
@@ -44,12 +45,12 @@ static int diff__process_sample_event(event_t *event, struct perf_session *sessi
        if (al.filtered || al.sym == NULL)
                return 0;
 
-       if (hists__add_entry(&session->hists, &al, data.period)) {
+       if (hists__add_entry(&session->hists, &al, sample->period)) {
                pr_warning("problem incrementing symbol period, skipping event\n");
                return -1;
        }
 
-       session->hists.stats.total_period += data.period;
+       session->hists.stats.total_period += sample->period;
        return 0;
 }