Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
[sfrench/cifs-2.6.git] / tools / perf / builtin-report.c
index 860f1eeeea7dbf8e43779308eaaffb1dbcf79d10..f815de25d0fc5b76eef680411930589654e793e8 100644 (file)
@@ -34,6 +34,8 @@
 static char            const *input_name = "perf.data";
 
 static int             force;
+static bool            hide_unresolved;
+static bool            dont_use_callchains;
 
 static int             show_threads;
 static struct perf_read_values show_threads_values;
@@ -43,28 +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, 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);
        }
 
@@ -84,18 +129,35 @@ 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);
 
-       dump_printf("(IP, %d): %d/%d: %p period: %Ld\n",
-               event->header.misc,
-               data.pid, data.tid,
-               (void *)(long)data.ip,
-               (long long)data.period);
+       dump_printf("(IP, %d): %d/%d: %#Lx period: %Ld\n", event->header.misc,
+                   data.pid, data.tid, data.ip, data.period);
 
        if (session->sample_type & PERF_SAMPLE_CALLCHAIN) {
                unsigned int i;
@@ -121,15 +183,21 @@ static int process_sample_event(event_t *event, struct perf_session *session)
                return -1;
        }
 
-       if (al.filtered)
+       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;
 }
 
@@ -156,14 +224,14 @@ static int process_read_event(event_t *event, struct perf_session *session __use
        return 0;
 }
 
-static int sample_type_check(struct perf_session *session)
+static int perf_session__setup_sample_type(struct perf_session *self)
 {
-       if (!(session->sample_type & PERF_SAMPLE_CALLCHAIN)) {
+       if (!(self->sample_type & PERF_SAMPLE_CALLCHAIN)) {
                if (sort__has_parent) {
                        fprintf(stderr, "selected --sort parent, but no"
                                        " callchain data. Did you call"
                                        " perf record without -g?\n");
-                       return -1;
+                       return -EINVAL;
                }
                if (symbol_conf.use_callchain) {
                        fprintf(stderr, "selected -g but no callchain data."
@@ -171,12 +239,13 @@ static int sample_type_check(struct perf_session *session)
                                        " -g?\n");
                        return -1;
                }
-       } else if (callchain_param.mode != CHAIN_NONE && !symbol_conf.use_callchain) {
+       } else if (!dont_use_callchains && callchain_param.mode != CHAIN_NONE &&
+                  !symbol_conf.use_callchain) {
                        symbol_conf.use_callchain = true;
                        if (register_callchain_param(&callchain_param) < 0) {
                                fprintf(stderr, "Can't register callchain"
                                                " params\n");
-                               return -1;
+                               return -EINVAL;
                        }
        }
 
@@ -184,21 +253,20 @@ static int sample_type_check(struct perf_session *session)
 }
 
 static struct perf_event_ops event_ops = {
-       .process_sample_event   = process_sample_event,
-       .process_mmap_event     = event__process_mmap,
-       .process_comm_event     = event__process_comm,
-       .process_exit_event     = event__process_task,
-       .process_fork_event     = event__process_task,
-       .process_lost_event     = event__process_lost,
-       .process_read_event     = process_read_event,
-       .sample_type_check      = sample_type_check,
+       .sample = process_sample_event,
+       .mmap   = event__process_mmap,
+       .comm   = event__process_comm,
+       .exit   = event__process_task,
+       .fork   = event__process_task,
+       .lost   = event__process_lost,
+       .read   = process_read_event,
 };
 
-
 static int __cmd_report(void)
 {
-       int ret;
+       int ret = -EINVAL;
        struct perf_session *session;
+       struct rb_node *next;
 
        session = perf_session__new(input_name, O_RDONLY, force);
        if (session == NULL)
@@ -207,6 +275,10 @@ static int __cmd_report(void)
        if (show_threads)
                perf_read_values_init(&show_threads_values);
 
+       ret = perf_session__setup_sample_type(session);
+       if (ret)
+               goto out_delete;
+
        ret = perf_session__process_events(session, &event_ops);
        if (ret)
                goto out_delete;
@@ -222,10 +294,28 @@ static int __cmd_report(void)
        if (verbose > 2)
                dsos__fprintf(stdout);
 
-       perf_session__collapse_resort(session);
-       perf_session__output_resort(session, session->events_stats.total);
-       fprintf(stdout, "# Samples: %Ld\n#\n", session->events_stats.total);
-       perf_session__fprintf_hists(session, NULL, false, stdout);
+       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");
@@ -243,11 +333,19 @@ out_delete:
 
 static int
 parse_callchain_opt(const struct option *opt __used, const char *arg,
-                   int unset __used)
+                   int unset)
 {
        char *tok;
        char *endptr;
 
+       /*
+        * --no-call-graph
+        */
+       if (unset) {
+               dont_use_callchains = true;
+               return 0;
+       }
+
        symbol_conf.use_callchain = true;
 
        if (!arg)
@@ -319,7 +417,7 @@ static const struct option options[] = {
                   "pretty printing style key: normal raw"),
        OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
                   "sort by key(s): pid, comm, dso, symbol, parent"),
-       OPT_BOOLEAN('P', "full-paths", &event_ops.full_paths,
+       OPT_BOOLEAN('P', "full-paths", &symbol_conf.full_paths,
                    "Don't shorten the pathnames taking into account the cwd"),
        OPT_STRING('p', "parent", &parent_pattern, "regex",
                   "regex filter to identify parent, see: '--sort parent'"),
@@ -340,6 +438,8 @@ static const struct option options[] = {
        OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator",
                   "separator for columns, no spaces will be added between "
                   "columns '.' is reserved."),
+       OPT_BOOLEAN('U', "hide-unresolved", &hide_unresolved,
+                   "Only display entries resolved to a symbol"),
        OPT_END()
 };