[PATCH v1 4/4] perf annotate: Display multiple events for gtk mode

[Jin Yao]

For example:
    perf record -e cycles,branches ./div
    perf annotate main --gtk

Both the cycles and branches are displayed at the left column in
gtk window.

Signed-off-by: Jin Yao <yao.jin@xxxxxxxxxxxxxxx>
---
 tools/perf/ui/gtk/annotate.c | 35 ++++++++++++++++++++++-------------
 1 file changed, 22 insertions(+), 13 deletions(-)

diff --git a/tools/perf/ui/gtk/annotate.c b/tools/perf/ui/gtk/annotate.c
index 0217619..f314654 100644
--- a/tools/perf/ui/gtk/annotate.c
+++ b/tools/perf/ui/gtk/annotate.c
@@ -88,7 +88,8 @@ static int perf_gtk__get_line(char *buf, size_t size, struct disasm_line *dl)
 
 static int perf_gtk__annotate_symbol(GtkWidget *window, struct symbol *sym,
 				struct map *map, struct perf_evsel *evsel,
-				struct hist_browser_timer *hbt __maybe_unused)
+				struct hist_browser_timer *hbt __maybe_unused,
+				struct hist_entry *he)
 {
 	struct disasm_line *pos, *n;
 	struct annotation *notes;
@@ -98,6 +99,7 @@ static int perf_gtk__annotate_symbol(GtkWidget *window, struct symbol *sym,
 	GtkWidget *view;
 	int i;
 	char s[512];
+	struct hist_event *hevt;
 
 	notes = symbol__annotation(sym);
 
@@ -124,17 +126,18 @@ static int perf_gtk__annotate_symbol(GtkWidget *window, struct symbol *sym,
 
 		gtk_list_store_append(store, &iter);
 
-		if (perf_evsel__is_group_event(evsel)) {
-			for (i = 0; i < evsel->nr_members; i++) {
+		if (evsel) {
+			ret = perf_gtk__get_percent(s, sizeof(s), sym, pos,
+						    evsel->idx);
+		} else if (he) {
+			for (i = 0; i < he->event_nr; i++) {
+				hevt = &he->events[i];
 				ret += perf_gtk__get_percent(s + ret,
 							     sizeof(s) - ret,
-							     sym, pos,
-							     evsel->idx + i);
+							     hevt->ms.sym, pos,
+							     hevt->idx);
 				ret += scnprintf(s + ret, sizeof(s) - ret, " ");
 			}
-		} else {
-			ret = perf_gtk__get_percent(s, sizeof(s), sym, pos,
-						    evsel->idx);
 		}
 
 		if (ret)
@@ -157,19 +160,25 @@ static int perf_gtk__annotate_symbol(GtkWidget *window, struct symbol *sym,
 
 static int symbol__gtk_annotate(struct symbol *sym, struct map *map,
 				struct perf_evsel *evsel,
-				struct hist_browser_timer *hbt)
+				struct hist_browser_timer *hbt,
+				struct hist_entry *he)
 {
 	GtkWidget *window;
 	GtkWidget *notebook;
 	GtkWidget *scrolled_window;
 	GtkWidget *tab_label;
 	int err;
+	char *arch;
+
+	if (!evsel)
+		arch = perf_evsel__env_arch(he->events[0].evsel);
+	else
+		arch = perf_evsel__env_arch(evsel);
 
 	if (map->dso->annotate_warned)
 		return -1;
 
-	err = symbol__disassemble(sym, map, perf_evsel__env_arch(evsel),
-				  0, NULL, NULL);
+	err = symbol__disassemble(sym, map, arch, 0, NULL, NULL);
 	if (err) {
 		char msg[BUFSIZ];
 		symbol__strerror_disassemble(sym, map, err, msg, sizeof(msg));
@@ -228,7 +237,7 @@ static int symbol__gtk_annotate(struct symbol *sym, struct map *map,
 	gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window,
 				 tab_label);
 
-	perf_gtk__annotate_symbol(scrolled_window, sym, map, evsel, hbt);
+	perf_gtk__annotate_symbol(scrolled_window, sym, map, evsel, hbt, he);
 	return 0;
 }
 
@@ -236,7 +245,7 @@ int hist_entry__gtk_annotate(struct hist_entry *he,
 			     struct perf_evsel *evsel,
 			     struct hist_browser_timer *hbt)
 {
-	return symbol__gtk_annotate(he->ms.sym, he->ms.map, evsel, hbt);
+	return symbol__gtk_annotate(he->ms.sym, he->ms.map, evsel, hbt, he);
 }
 
 void perf_gtk__show_annotations(void)
-- 
2.7.4