Merge branch 'perf/core' of git://github.com/acmel/linux into perf/core

4 files changed, 22 insertions, 10 deletions

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index e211304a0dd7..7a871714d44e 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -304,7 +304,9 @@ 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_threaded(&top.sym_evsel->hists);
+        hists__decay_entries_threaded(&top.sym_evsel->hists,
+                                      top.hide_user_symbols,
+                                      top.hide_kernel_symbols);
         hists__output_recalc_col_len(&top.sym_evsel->hists, winsize.ws_row - 3);
         putchar('\n');
         hists__fprintf(&top.sym_evsel->hists, NULL, false, false,
@@ -436,6 +438,7 @@ static int key_mapped(int c)
                 case 'S':
                         return 1;
                 case 'E':
+                        return top.evlist->nr_entries > 1 ? 1 : 0;
                 default:
                         break;
         }
@@ -555,7 +558,9 @@ 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_threaded(&t->sym_evsel->hists);
+        hists__decay_entries_threaded(&t->sym_evsel->hists,
+                                      top.hide_user_symbols,
+                                      top.hide_kernel_symbols);
         hists__output_recalc_col_len(&t->sym_evsel->hists, winsize.ws_row - 3);
 }
 
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index a7193c5a0422..48da373afa3d 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -108,7 +108,8 @@ static bool hists__decay_entry(struct hists *hists, struct hist_entry *he)
         return he->period == 0;
 }
 
-static void __hists__decay_entries(struct hists *hists, bool threaded)
+static void __hists__decay_entries(struct hists *hists, bool zap_user,
+                                   bool zap_kernel, bool threaded)
 {
         struct rb_node *next = rb_first(&hists->entries);
         struct hist_entry *n;
@@ -121,7 +122,10 @@ static void __hists__decay_entries(struct hists *hists, bool threaded)
                  * case some it gets new samples, we'll eventually free it when
                  * the user stops browsing and it agains gets fully decayed.
                  */
-                if (hists__decay_entry(hists, n) && !n->used) {
+                if (((zap_user && n->level == '.') ||
+                     (zap_kernel && n->level != '.') ||
+                     hists__decay_entry(hists, n)) &&
+                    !n->used) {
                         rb_erase(&n->rb_node, &hists->entries);
 
                         if (sort__need_collapse || threaded)
@@ -133,14 +137,15 @@ static void __hists__decay_entries(struct hists *hists, bool threaded)
         }
 }
 
-void hists__decay_entries(struct hists *hists)
+void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel)
 {
-        return __hists__decay_entries(hists, false);
+        return __hists__decay_entries(hists, zap_user, zap_kernel, false);
 }
 
-void hists__decay_entries_threaded(struct hists *hists)
+void hists__decay_entries_threaded(struct hists *hists,
+                                   bool zap_user, bool zap_kernel)
 {
-        return __hists__decay_entries(hists, true);
+        return __hists__decay_entries(hists, zap_user, zap_kernel, true);
 }
 
 /*
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index bcc8ab91e26f..ea96c1cbb850 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -78,8 +78,9 @@ void hists__output_resort_threaded(struct hists *hists);
 void hists__collapse_resort(struct hists *self);
 void hists__collapse_resort_threaded(struct hists *hists);
 
-void hists__decay_entries(struct hists *hists);
-void hists__decay_entries_threaded(struct hists *hists);
+void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel);
+void hists__decay_entries_threaded(struct hists *hists, bool zap_user,
+                                   bool zap_kernel);
 void hists__output_recalc_col_len(struct hists *hists, int max_rows);
 
 void hists__inc_nr_events(struct hists *self, u32 type);
diff --git a/tools/perf/util/ui/helpline.h b/tools/perf/util/ui/helpline.h
index 809975759080..fdcbc0270acd 100644
--- a/tools/perf/util/ui/helpline.h
+++ b/tools/perf/util/ui/helpline.h
@@ -2,6 +2,7 @@
 #define _PERF_UI_HELPLINE_H_ 1
 
 #include <stdio.h>
+#include <stdarg.h>
 
 void ui_helpline__init(void);
 void ui_helpline__pop(void);