perf session: There is no need for a per session hists instance

[platform/adaptation/renesas_rcar/renesas_kernel.git] / tools / perf / util / session.c

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 6e8dd2a..b0bcc32 100644 (file)
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -133,7 +133,6 @@ struct perf_session *perf_session__new(const char *filename, int mode,
        INIT_LIST_HEAD(&self->ordered_samples.sample_cache);
        INIT_LIST_HEAD(&self->ordered_samples.to_free);
        machine__init(&self->host_machine, "", HOST_KERNEL_ID);
-       hists__init(&self->hists);
 
        if (mode == O_RDONLY) {
                if (perf_session__open(self, force) < 0)
@@ -863,11 +862,11 @@ static int perf_session_deliver_event(struct perf_session *session,
        case PERF_RECORD_SAMPLE:
                dump_sample(evsel, event, sample);
                if (evsel == NULL) {
-                       ++session->hists.stats.nr_unknown_id;
+                       ++session->stats.nr_unknown_id;
                        return 0;
                }
                if (machine == NULL) {
-                       ++session->hists.stats.nr_unprocessable_samples;
+                       ++session->stats.nr_unprocessable_samples;
                        return 0;
                }
                return tool->sample(tool, event, sample, evsel, machine);
@@ -881,7 +880,7 @@ static int perf_session_deliver_event(struct perf_session *session,
                return tool->exit(tool, event, sample, machine);
        case PERF_RECORD_LOST:
                if (tool->lost == perf_event__process_lost)
-                       session->hists.stats.total_lost += event->lost.lost;
+                       session->stats.total_lost += event->lost.lost;
                return tool->lost(tool, event, sample, machine);
        case PERF_RECORD_READ:
                return tool->read(tool, event, sample, evsel, machine);
@@ -890,7 +889,7 @@ static int perf_session_deliver_event(struct perf_session *session,
        case PERF_RECORD_UNTHROTTLE:
                return tool->unthrottle(tool, event, sample, machine);
        default:
-               ++session->hists.stats.nr_unknown_events;
+               ++session->stats.nr_unknown_events;
                return -1;
        }
 }
@@ -904,8 +903,8 @@ static int perf_session__preprocess_sample(struct perf_session *session,
 
        if (!ip_callchain__valid(sample->callchain, event)) {
                pr_debug("call-chain problem with event, skipping it.\n");
-               ++session->hists.stats.nr_invalid_chains;
-               session->hists.stats.total_invalid_chains += sample->period;
+               ++session->stats.nr_invalid_chains;
+               session->stats.total_invalid_chains += sample->period;
                return -EINVAL;
        }
        return 0;
@@ -963,7 +962,7 @@ static int perf_session__process_event(struct perf_session *session,
        if (event->header.type >= PERF_RECORD_HEADER_MAX)
                return -EINVAL;
 
-       hists__inc_nr_events(&session->hists, event->header.type);
+       events_stats__inc(&session->stats, event->header.type);
 
        if (event->header.type >= PERF_RECORD_USER_TYPE_START)
                return perf_session__process_user_event(session, event, tool, file_offset);
@@ -1018,39 +1017,39 @@ static void perf_session__warn_about_errors(const struct perf_session *session,
                                            const struct perf_tool *tool)
 {
        if (tool->lost == perf_event__process_lost &&
-           session->hists.stats.nr_events[PERF_RECORD_LOST] != 0) {
+           session->stats.nr_events[PERF_RECORD_LOST] != 0) {
                ui__warning("Processed %d events and lost %d chunks!\n\n"
                            "Check IO/CPU overload!\n\n",
-                           session->hists.stats.nr_events[0],
-                           session->hists.stats.nr_events[PERF_RECORD_LOST]);
+                           session->stats.nr_events[0],
+                           session->stats.nr_events[PERF_RECORD_LOST]);
        }
 
-       if (session->hists.stats.nr_unknown_events != 0) {
+       if (session->stats.nr_unknown_events != 0) {
                ui__warning("Found %u unknown events!\n\n"
                            "Is this an older tool processing a perf.data "
                            "file generated by a more recent tool?\n\n"
                            "If that is not the case, consider "
                            "reporting to linux-kernel@vger.kernel.org.\n\n",
-                           session->hists.stats.nr_unknown_events);
+                           session->stats.nr_unknown_events);
        }
 
-       if (session->hists.stats.nr_unknown_id != 0) {
+       if (session->stats.nr_unknown_id != 0) {
                ui__warning("%u samples with id not present in the header\n",
-                           session->hists.stats.nr_unknown_id);
+                           session->stats.nr_unknown_id);
        }
 
-       if (session->hists.stats.nr_invalid_chains != 0) {
+       if (session->stats.nr_invalid_chains != 0) {
                ui__warning("Found invalid callchains!\n\n"
                            "%u out of %u events were discarded for this reason.\n\n"
                            "Consider reporting to linux-kernel@vger.kernel.org.\n\n",
-                           session->hists.stats.nr_invalid_chains,
-                           session->hists.stats.nr_events[PERF_RECORD_SAMPLE]);
+                           session->stats.nr_invalid_chains,
+                           session->stats.nr_events[PERF_RECORD_SAMPLE]);
        }
 
-       if (session->hists.stats.nr_unprocessable_samples != 0) {
+       if (session->stats.nr_unprocessable_samples != 0) {
                ui__warning("%u unprocessable samples recorded.\n"
                            "Do you have a KVM guest running and not using 'perf kvm'?\n",
-                           session->hists.stats.nr_unprocessable_samples);
+                           session->stats.nr_unprocessable_samples);
        }
 }
 
@@ -1353,7 +1352,7 @@ size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp)
        struct perf_evsel *pos;
        size_t ret = fprintf(fp, "Aggregated stats:\n");
 
-       ret += events_stats__fprintf(&session->hists.stats, fp);
+       ret += events_stats__fprintf(&session->stats, fp);
 
        list_for_each_entry(pos, &session->evlist->entries, node) {
                ret += fprintf(fp, "%s stats:\n", perf_evsel__name(pos));