perf hist: Adopt filter by dso and by thread methods from the newt browser

[deliverable/linux.git] / tools / perf / util / hist.c

diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index e34fd248067d5bb351c6356c62eb0ca0b789362b..baa55be64d9e15023ae17acf82e0bab477431136 100644 (file)
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -784,3 +784,62 @@ print_entries:
 
        return ret;
 }
+
+enum hist_filter {
+       HIST_FILTER__DSO,
+       HIST_FILTER__THREAD,
+};
+
+void hists__filter_by_dso(struct hists *self, const struct dso *dso)
+{
+       struct rb_node *nd;
+
+       self->nr_entries = self->stats.total = 0;
+       self->max_sym_namelen = 0;
+
+       for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) {
+               struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
+
+               if (symbol_conf.exclude_other && !h->parent)
+                       continue;
+
+               if (dso != NULL && (h->ms.map == NULL || h->ms.map->dso != dso)) {
+                       h->filtered |= (1 << HIST_FILTER__DSO);
+                       continue;
+               }
+
+               h->filtered &= ~(1 << HIST_FILTER__DSO);
+               if (!h->filtered) {
+                       ++self->nr_entries;
+                       self->stats.total += h->count;
+                       if (h->ms.sym &&
+                           self->max_sym_namelen < h->ms.sym->namelen)
+                               self->max_sym_namelen = h->ms.sym->namelen;
+               }
+       }
+}
+
+void hists__filter_by_thread(struct hists *self, const struct thread *thread)
+{
+       struct rb_node *nd;
+
+       self->nr_entries = self->stats.total = 0;
+       self->max_sym_namelen = 0;
+
+       for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) {
+               struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
+
+               if (thread != NULL && h->thread != thread) {
+                       h->filtered |= (1 << HIST_FILTER__THREAD);
+                       continue;
+               }
+               h->filtered &= ~(1 << HIST_FILTER__THREAD);
+               if (!h->filtered) {
+                       ++self->nr_entries;
+                       self->stats.total += h->count;
+                       if (h->ms.sym &&
+                           self->max_sym_namelen < h->ms.sym->namelen)
+                               self->max_sym_namelen = h->ms.sym->namelen;
+               }
+       }
+}