[PATCH 09/12] perf ui/gtk: Add support to group viewing

[Namhyung Kim <namhyung@kernel.org>]

From: Namhyung Kim <namhyung.kim@lge.com>

Show group members' overhead also when showing the leader's.

Cc: Stephane Eranian <eranian@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Pekka Enberg <penberg@kernel.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
 tools/perf/ui/gtk/browser.c |   57 +++++++++++++++++++++++++++++++++----------
 1 file changed, 44 insertions(+), 13 deletions(-)

diff --git a/tools/perf/ui/gtk/browser.c b/tools/perf/ui/gtk/browser.c
index 91e11f7bffbf..e39c83cd5ac5 100644
--- a/tools/perf/ui/gtk/browser.c
+++ b/tools/perf/ui/gtk/browser.c
@@ -44,25 +44,56 @@ static const char *perf_gtk__get_percent_color(double percent)
 	return NULL;
 }
 
+static int perf_gtk__percent_color_snprintf(char *s, size_t size,
+					    u64 period, u64 total_period)
+{
+	double percent = 100.0 * period / total_period;
+	const char *markup;
+	int ret = 0;
+
+	markup = perf_gtk__get_percent_color(percent);
+	if (markup)
+		ret += scnprintf(s, size, "%s", markup);
+
+	ret += scnprintf(s + ret, size - ret, "%5.2f%%", percent);
+
+	if (markup)
+		ret += scnprintf(s + ret, size - ret, "</span>");
+
+	return ret;
+}
+
+static int perf_gtk__hpp_color_overhead(struct hist_print_context *ctx,
+					struct hist_entry *he)
+{
+	int ret;
+
+	ret = perf_gtk__percent_color_snprintf(ctx->s, ctx->size,
+					he->stat.period, ctx->total_period);
+
+	if (symbol_conf.report_group) {
+		int i;
+		struct perf_evsel *evsel = hists_2_evsel(ctx->hists);
+
+		for (i = 0; i < evsel->nr_children; i++) {
+			ret += scnprintf(ctx->s + ret, ctx->size - ret, "  ");
+			ret += perf_gtk__percent_color_snprintf(ctx->s + ret,
+					ctx->size - ret,
+					he->group_stats[i].period,
+					ctx->hists->group_stats[i].total_period);
+		}
+	}
+	return ret;
+}
+
 #define HPP_COLOR_FN(_name, _field)						\
 static int perf_gtk__hpp_color_ ## _name(struct hist_print_context *ctx,	\
 					 struct hist_entry *he)			\
 {										\
-	double percent = 100.0 * he->stat._field / ctx->total_period;		\
-	const char *markup;							\
-	int ret = 0;								\
-										\
-	markup = perf_gtk__get_percent_color(percent);				\
-	if (markup)								\
-		ret += scnprintf(ctx->s, ctx->size, "%s", markup);		\
-	ret += scnprintf(ctx->s + ret, ctx->size - ret, "%5.2f%%", percent); 	\
-	if (markup)								\
-		ret += scnprintf(ctx->s + ret, ctx->size - ret, "</span>"); 	\
-										\
-	return ret;								\
+	return perf_gtk__percent_color_snprintf(ctx->s, ctx->size,		\
+					he->stat._field, ctx->total_period); 	\
 }
 
-HPP_COLOR_FN(overhead, period)
 HPP_COLOR_FN(overhead_sys, period_sys)
 HPP_COLOR_FN(overhead_us, period_us)
 HPP_COLOR_FN(overhead_guest_sys, period_guest_sys)
-- 
1.7.10.4