[PATCH 2/6] perf timechart: use proc_num to implement --power-only

[Stanislav Fomichev <stfomichev@yandex-team.ru>]

Don't use special flag to indicate power-only mode, use proc_num == 0.
-P now equals to -n 0

Signed-off-by: Stanislav Fomichev <stfomichev@yandex-team.ru>
---
 tools/perf/builtin-timechart.c | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index d965f26308ed..e6c041301aa4 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -50,8 +50,6 @@ static u64		turbo_frequency;
 
 static u64		first_time, last_time;
 
-static bool		power_only;
-
 
 struct per_pid;
 struct per_pidcomm;
@@ -912,7 +910,7 @@ static int determine_display_tasks(u64 threshold)
 		/* no exit marker, task kept running to the end */
 		if (p->end_time == 0)
 			p->end_time = last_time;
-		if (p->total_time >= threshold && !power_only)
+		if (p->total_time >= threshold)
 			p->display = 1;
 
 		c = p->all;
@@ -923,7 +921,7 @@ static int determine_display_tasks(u64 threshold)
 			if (c->start_time == 1)
 				c->start_time = first_time;
 
-			if (c->total_time >= threshold && !power_only) {
+			if (c->total_time >= threshold) {
 				c->display = 1;
 				count++;
 			}
@@ -1086,6 +1084,15 @@ parse_process(const struct option *opt __maybe_unused, const char *arg,
 	return 0;
 }
 
+static int
+parse_power(const struct option *opt __maybe_unused,
+	    const char *arg __maybe_unused,
+	    int unset __maybe_unused)
+{
+	proc_num = 0;
+	return 0;
+}
+
 int cmd_timechart(int argc, const char **argv,
 		  const char *prefix __maybe_unused)
 {
@@ -1094,7 +1101,8 @@ int cmd_timechart(int argc, const char **argv,
 	OPT_STRING('i', "input", &input_name, "file", "input file name"),
 	OPT_STRING('o', "output", &output_name, "file", "output file name"),
 	OPT_INTEGER('w', "width", &svg_page_width, "page width"),
-	OPT_BOOLEAN('P', "power-only", &power_only, "output power data only"),
+	OPT_CALLBACK_NOOPT('P', "power-only", NULL, NULL,
+		     "output power data only", parse_power),
 	OPT_CALLBACK('p', "process", NULL, "process",
 		      "process selector. Pass a pid or process name.",
 		       parse_process),
-- 
1.8.1.2