1 files changed, 35 insertions, 0 deletions

diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 8380c3db1c92..2c624ad371a7 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -10,11 +10,14 @@ static bool hists__filter_entry_by_dso(struct hists *hists,
                                        struct hist_entry *he);
 static bool hists__filter_entry_by_thread(struct hists *hists,
                                           struct hist_entry *he);
+static bool hists__filter_entry_by_symbol(struct hists *hists,
+                                          struct hist_entry *he);
 
 enum hist_filter {
         HIST_FILTER__DSO,
         HIST_FILTER__THREAD,
         HIST_FILTER__PARENT,
+        HIST_FILTER__SYMBOL,
 };
 
 struct callchain_param  callchain_param = {
@@ -420,6 +423,7 @@ static void hists__apply_filters(struct hists *hists, struct hist_entry *he)
 {
         hists__filter_entry_by_dso(hists, he);
         hists__filter_entry_by_thread(hists, he);
+        hists__filter_entry_by_symbol(hists, he);
 }
 
 static void __hists__collapse_resort(struct hists *hists, bool threaded)
@@ -1247,6 +1251,37 @@ void hists__filter_by_thread(struct hists *hists)
         }
 }
 
+static bool hists__filter_entry_by_symbol(struct hists *hists,
+                                          struct hist_entry *he)
+{
+        if (hists->symbol_filter_str != NULL &&
+            (!he->ms.sym || strstr(he->ms.sym->name,
+                                   hists->symbol_filter_str) == NULL)) {
+                he->filtered |= (1 << HIST_FILTER__SYMBOL);
+                return true;
+        }
+
+        return false;
+}
+
+void hists__filter_by_symbol(struct hists *hists)
+{
+        struct rb_node *nd;
+
+        hists->nr_entries = hists->stats.total_period = 0;
+        hists->stats.nr_events[PERF_RECORD_SAMPLE] = 0;
+        hists__reset_col_len(hists);
+
+        for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
+                struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
+
+                if (hists__filter_entry_by_symbol(hists, h))
+                        continue;
+
+                hists__remove_entry_filter(hists, h, HIST_FILTER__SYMBOL);
+        }
+}
+
 int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 ip)
 {
         return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evidx, ip);