perf report: Add multiple event support
[linux-3.10.git] / tools / perf / builtin-report.c
index 294b4cf..f815de2 100644 (file)
@@ -45,29 +45,71 @@ static char         *pretty_printing_style = default_pretty_printing_style;
 
 static char            callchain_default_opt[] = "fractal,0.5";
 
+static struct event_stat_id *get_stats(struct perf_session *self,
+                                      u64 event_stream, u32 type, u64 config)
+{
+       struct rb_node **p = &self->stats_by_id.rb_node;
+       struct rb_node *parent = NULL;
+       struct event_stat_id *iter, *new;
+
+       while (*p != NULL) {
+               parent = *p;
+               iter = rb_entry(parent, struct event_stat_id, rb_node);
+               if (iter->config == config)
+                       return iter;
+
+
+               if (config > iter->config)
+                       p = &(*p)->rb_right;
+               else
+                       p = &(*p)->rb_left;
+       }
+
+       new = malloc(sizeof(struct event_stat_id));
+       if (new == NULL)
+               return NULL;
+       memset(new, 0, sizeof(struct event_stat_id));
+       new->event_stream = event_stream;
+       new->config = config;
+       new->type = type;
+       rb_link_node(&new->rb_node, parent, p);
+       rb_insert_color(&new->rb_node, &self->stats_by_id);
+       return new;
+}
+
 static int perf_session__add_hist_entry(struct perf_session *self,
                                        struct addr_location *al,
-                                       struct ip_callchain *chain, u64 count)
+                                       struct sample_data *data)
 {
        struct symbol **syms = NULL, *parent = NULL;
        bool hit;
        struct hist_entry *he;
+       struct event_stat_id *stats;
+       struct perf_event_attr *attr;
 
-       if ((sort__has_parent || symbol_conf.use_callchain) && chain)
+       if ((sort__has_parent || symbol_conf.use_callchain) && data->callchain)
                syms = perf_session__resolve_callchain(self, al->thread,
-                                                      chain, &parent);
-       he = __perf_session__add_hist_entry(&self->hists, al, parent,
-                                           count, &hit);
+                                                      data->callchain, &parent);
+
+       attr = perf_header__find_attr(data->id, &self->header);
+       if (attr)
+               stats = get_stats(self, data->id, attr->type, attr->config);
+       else
+               stats = get_stats(self, data->id, 0, 0);
+       if (stats == NULL)
+               return -ENOMEM;
+       he = __perf_session__add_hist_entry(&stats->hists, al, parent,
+                                           data->period, &hit);
        if (he == NULL)
                return -ENOMEM;
 
        if (hit)
-               he->count += count;
+               he->count += data->period;
 
        if (symbol_conf.use_callchain) {
                if (!hit)
                        callchain_init(&he->callchain);
-               append_chain(&he->callchain, chain, syms);
+               append_chain(&he->callchain, data->callchain, syms);
                free(syms);
        }
 
@@ -87,10 +129,30 @@ static int validate_chain(struct ip_callchain *chain, event_t *event)
        return 0;
 }
 
+static int add_event_total(struct perf_session *session,
+                          struct sample_data *data,
+                          struct perf_event_attr *attr)
+{
+       struct event_stat_id *stats;
+
+       if (attr)
+               stats = get_stats(session, data->id, attr->type, attr->config);
+       else
+               stats = get_stats(session, data->id, 0, 0);
+
+       if (!stats)
+               return -ENOMEM;
+
+       stats->stats.total += data->period;
+       session->events_stats.total += data->period;
+       return 0;
+}
+
 static int process_sample_event(event_t *event, struct perf_session *session)
 {
        struct sample_data data = { .period = 1, };
        struct addr_location al;
+       struct perf_event_attr *attr;
 
        event__parse_sample(event, session->sample_type, &data);
 
@@ -124,12 +186,18 @@ static int process_sample_event(event_t *event, struct perf_session *session)
        if (al.filtered || (hide_unresolved && al.sym == NULL))
                return 0;
 
-       if (perf_session__add_hist_entry(session, &al, data.callchain, data.period)) {
+       if (perf_session__add_hist_entry(session, &al, &data)) {
                pr_debug("problem incrementing symbol count, skipping event\n");
                return -1;
        }
 
-       session->events_stats.total += data.period;
+       attr = perf_header__find_attr(data.id, &session->header);
+
+       if (add_event_total(session, &data, attr)) {
+               pr_debug("problem adding event count\n");
+               return -1;
+       }
+
        return 0;
 }
 
@@ -198,6 +266,7 @@ static int __cmd_report(void)
 {
        int ret = -EINVAL;
        struct perf_session *session;
+       struct rb_node *next;
 
        session = perf_session__new(input_name, O_RDONLY, force);
        if (session == NULL)
@@ -225,12 +294,28 @@ static int __cmd_report(void)
        if (verbose > 2)
                dsos__fprintf(stdout);
 
-       perf_session__collapse_resort(&session->hists);
-       perf_session__output_resort(&session->hists,
-                                   session->events_stats.total);
-       fprintf(stdout, "# Samples: %Ld\n#\n", session->events_stats.total);
-       perf_session__fprintf_hists(&session->hists, NULL, false, stdout,
-                                   session->events_stats.total);
+       next = rb_first(&session->stats_by_id);
+       while (next) {
+               struct event_stat_id *stats;
+
+               stats = rb_entry(next, struct event_stat_id, rb_node);
+               perf_session__collapse_resort(&stats->hists);
+               perf_session__output_resort(&stats->hists, stats->stats.total);
+               if (rb_first(&session->stats_by_id) ==
+                   rb_last(&session->stats_by_id))
+                       fprintf(stdout, "# Samples: %Ld\n#\n",
+                               stats->stats.total);
+               else
+                       fprintf(stdout, "# Samples: %Ld %s\n#\n",
+                               stats->stats.total,
+                               __event_name(stats->type, stats->config));
+
+               perf_session__fprintf_hists(&stats->hists, NULL, false, stdout,
+                                           stats->stats.total);
+               fprintf(stdout, "\n\n");
+               next = rb_next(&stats->rb_node);
+       }
+
        if (sort_order == default_sort_order &&
            parent_pattern == default_parent_pattern)
                fprintf(stdout, "#\n# (For a higher level overview, try: perf report --sort comm,dso)\n#\n");