return (err == -EAGAIN) ? 0 : -1;
 
        while ((event = perf_mmap__read_event(&md->core)) != NULL) {
-               err = perf_evlist__parse_sample_timestamp(evlist, event, ×tamp);
+               err = evlist__parse_sample_timestamp(evlist, event, ×tamp);
                if (err) {
                        perf_mmap__consume(&md->core);
                        pr_err("Failed to parse sample\n");
 
        while ((event = perf_mmap__read_event(&md->core)) != NULL) {
                int ret;
 
-               ret = perf_evlist__parse_sample_timestamp(evlist, event, &last_timestamp);
+               ret = evlist__parse_sample_timestamp(evlist, event, &last_timestamp);
                if (ret && ret != -1)
                        break;
 
                return 0;
        }
 
-       ret = perf_evlist__parse_sample(evlist, event, &sample);
+       ret = evlist__parse_sample(evlist, event, &sample);
        if (ret) {
                pr_err("Can't parse sample, err = %d\n", ret);
                goto next_event;
 
 {
        struct evlist *evlist = trace->evlist;
        struct perf_sample sample;
-       int err;
+       int err = evlist__parse_sample(evlist, event, &sample);
 
-       err = perf_evlist__parse_sample(evlist, event, &sample);
        if (err)
                fprintf(trace->output, "Can't parse sample, err = %d, skipping...\n", err);
        else
        if (!trace->sort_events)
                return __trace__deliver_event(trace, event);
 
-       err = perf_evlist__parse_sample_timestamp(trace->evlist, event, &trace->oe.last);
+       err = evlist__parse_sample_timestamp(trace->evlist, event, &trace->oe.last);
        if (err && err != -1)
                return err;
 
 
        struct thread *thread;
        int ret;
 
-       if (perf_evlist__parse_sample(evlist, event, &sample)) {
-               pr_debug("perf_evlist__parse_sample failed\n");
+       if (evlist__parse_sample(evlist, event, &sample)) {
+               pr_debug("evlist__parse_sample failed\n");
                return -1;
        }
 
 
                        goto out_delete_evlist;
                }
 
-               err = perf_evlist__parse_sample(evlist, event, &sample);
+               err = evlist__parse_sample(evlist, event, &sample);
                if (err) {
                        pr_err("Can't parse sample, err = %d\n", err);
                        goto out_delete_evlist;
 
        if (!*pevlist)
                return -1;
 
-       if (perf_evlist__parse_sample(*pevlist, event, &sample)) {
-               pr_debug("perf_evlist__parse_sample failed\n");
+       if (evlist__parse_sample(*pevlist, event, &sample)) {
+               pr_debug("evlist__parse_sample failed\n");
                return -1;
        }
 
 
                                if (type < PERF_RECORD_MAX)
                                        nr_events[type]++;
 
-                               err = perf_evlist__parse_sample(evlist, event, &sample);
+                               err = evlist__parse_sample(evlist, event, &sample);
                                if (err < 0) {
                                        if (verbose > 0)
                                                perf_event__fprintf(event, NULL, stderr);
 
                if (event->header.type != PERF_RECORD_SAMPLE)
                        goto next_event;
 
-               err = perf_evlist__parse_sample(evlist, event, &sample);
+               err = evlist__parse_sample(evlist, event, &sample);
                if (err < 0) {
                        pr_debug("Error during parse sample\n");
                        goto out_delete_evlist;
 
        pid_t next_tid, prev_tid;
        int cpu, err;
 
-       if (perf_evlist__parse_sample(evlist, event, &sample)) {
-               pr_debug("perf_evlist__parse_sample failed\n");
+       if (evlist__parse_sample(evlist, event, &sample)) {
+               pr_debug("evlist__parse_sample failed\n");
                return -1;
        }
 
        node->event = event;
        list_add(&node->list, events);
 
-       if (perf_evlist__parse_sample(evlist, event, &sample)) {
-               pr_debug("perf_evlist__parse_sample failed\n");
+       if (evlist__parse_sample(evlist, event, &sample)) {
+               pr_debug("evlist__parse_sample failed\n");
                return -1;
        }
 
 
        if (!qd->samples || event->header.type != PERF_RECORD_SAMPLE)
                return 0;
 
-       err = perf_evlist__parse_sample(session->evlist, event, &sample);
+       err = evlist__parse_sample(session->evlist, event, &sample);
        if (err)
                return err;
 
 
        return 0;
 }
 
-int perf_evlist__parse_sample(struct evlist *evlist, union perf_event *event,
-                             struct perf_sample *sample)
+int evlist__parse_sample(struct evlist *evlist, union perf_event *event, struct perf_sample *sample)
 {
        struct evsel *evsel = perf_evlist__event2evsel(evlist, event);
 
        return evsel__parse_sample(evsel, event, sample);
 }
 
-int perf_evlist__parse_sample_timestamp(struct evlist *evlist,
-                                       union perf_event *event,
-                                       u64 *timestamp)
+int evlist__parse_sample_timestamp(struct evlist *evlist, union perf_event *event, u64 *timestamp)
 {
        struct evsel *evsel = perf_evlist__event2evsel(evlist, event);
 
 
 bool evlist__sample_id_all(struct evlist *evlist);
 u16 perf_evlist__id_hdr_size(struct evlist *evlist);
 
-int perf_evlist__parse_sample(struct evlist *evlist, union perf_event *event,
-                             struct perf_sample *sample);
-
-int perf_evlist__parse_sample_timestamp(struct evlist *evlist,
-                                       union perf_event *event,
-                                       u64 *timestamp);
+int evlist__parse_sample(struct evlist *evlist, union perf_event *event, struct perf_sample *sample);
+int evlist__parse_sample_timestamp(struct evlist *evlist, union perf_event *event, u64 *timestamp);
 
 bool evlist__valid_sample_type(struct evlist *evlist);
 bool evlist__valid_sample_id_all(struct evlist *evlist);
 
  * |    than PERF_RECORD_USER_TYPE_START) are handled by
  * |    perf_session__process_user_event(see below)
  * |  - Those generated by the kernel are handled by
- * |    perf_evlist__parse_sample_timestamp()
+ * |    evlist__parse_sample_timestamp()
  * |
- * perf_evlist__parse_sample_timestamp()
+ * evlist__parse_sample_timestamp()
  * |  Extract time stamp from sample data.
  * |
  * perf_session__queue_event()
 
                                       u64 file_offset)
 {
        struct perf_sample sample;
-       int ret;
+       int ret = evlist__parse_sample(session->evlist, event, &sample);
 
-       ret = perf_evlist__parse_sample(session->evlist, event, &sample);
        if (ret) {
                pr_err("Can't parse sample, err = %d\n", ret);
                return ret;
 out_parse_sample:
 
        if (sample && event->header.type < PERF_RECORD_USER_TYPE_START &&
-           perf_evlist__parse_sample(session->evlist, event, sample))
+           evlist__parse_sample(session->evlist, event, sample))
                return -1;
 
        *event_ptr = event;
        if (tool->ordered_events) {
                u64 timestamp = -1ULL;
 
-               ret = perf_evlist__parse_sample_timestamp(evlist, event, ×tamp);
+               ret = evlist__parse_sample_timestamp(evlist, event, ×tamp);
                if (ret && ret != -1)
                        return ret;