1 files changed, 20 insertions, 5 deletions

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index c5aebf6eb746..e211304a0dd7 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -304,7 +304,7 @@ static void print_sym_table(void)
 
         hists__collapse_resort_threaded(&top.sym_evsel->hists);
         hists__output_resort_threaded(&top.sym_evsel->hists);
-        hists__decay_entries(&top.sym_evsel->hists);
+        hists__decay_entries_threaded(&top.sym_evsel->hists);
         hists__output_recalc_col_len(&top.sym_evsel->hists, winsize.ws_row - 3);
         putchar('\n');
         hists__fprintf(&top.sym_evsel->hists, NULL, false, false,
@@ -555,7 +555,7 @@ static void perf_top__sort_new_samples(void *arg)
 
         hists__collapse_resort_threaded(&t->sym_evsel->hists);
         hists__output_resort_threaded(&t->sym_evsel->hists);
-        hists__decay_entries(&t->sym_evsel->hists);
+        hists__decay_entries_threaded(&t->sym_evsel->hists);
         hists__output_recalc_col_len(&t->sym_evsel->hists, winsize.ws_row - 3);
 }
 
@@ -585,16 +585,31 @@ static void *display_thread(void *arg __used)
         tc.c_cc[VMIN] = 0;
         tc.c_cc[VTIME] = 0;
 
+        pthread__unblock_sigwinch();
 repeat:
         delay_msecs = top.delay_secs * 1000;
         tcsetattr(0, TCSANOW, &tc);
         /* trash return*/
         getc(stdin);
 
-        do {
+        while (1) {
                 print_sym_table();
-        } while (!poll(&stdin_poll, 1, delay_msecs) == 1);
-
+                /*
+                 * Either timeout expired or we got an EINTR due to SIGWINCH,
+                 * refresh screen in both cases.
+                 */
+                switch (poll(&stdin_poll, 1, delay_msecs)) {
+                case 0:
+                        continue;
+                case -1:
+                        if (errno == EINTR)
+                                continue;
+                        /* Fall trhu */
+                default:
+                        goto process_hotkey;
+                }
+        }
+process_hotkey:
         c = getc(stdin);
         tcsetattr(0, TCSAFLUSH, &save);