From: Antonio Ospite <ospite@studenti.unina.it>
Date: Sun, 14 Jul 2013 11:16:06 +0000 (+0200)
Subject: The elapsed time does not need to be tracked in stats
X-Git-Url: https://git.ao2.it/experiments/fps-meter.git/commitdiff_plain/305623c3344e80fcec567176ed188b2db9fb51ce?ds=sidebyside;hp=e3ce9103ca48d145197fec43770c701aa0f1bdc6

The elapsed time does not need to be tracked in stats

Make it a local variable in fps_meter_update.
---

diff --git a/fps-meter.h b/fps-meter.h
index e965ffe..8f98b6d 100644
--- a/fps-meter.h
+++ b/fps-meter.h
@@ -50,7 +50,6 @@
 struct fps_meter_stats {
 	struct timespec time_start;
 	struct timespec time_end;
-	struct timespec elapsed;
 
 	unsigned int frames;
 	double nsecs;
@@ -66,16 +65,18 @@ static void fps_meter_init(struct fps_meter_stats *stats)
 
 static void fps_meter_update(struct fps_meter_stats *stats)
 {
+	struct timespec elapsed;
+
 	dbg("Start time: s: %ld, ns: %ld", stats->time_start.tv_sec, stats->time_start.tv_nsec);
 
 	clock_gettime(CLOCK_MONOTONIC, &stats->time_end);
 	dbg("End time: s: %ld, ns: %ld", stats->time_end.tv_sec, stats->time_end.tv_nsec);
 
-	timespecsub(&stats->time_end, &stats->time_start, &stats->elapsed);
-	dbg("Elapsed s: %ld ns: %ld", stats->elapsed.tv_sec, stats->elapsed.tv_nsec);
+	timespecsub(&stats->time_end, &stats->time_start, &elapsed);
+	dbg("Elapsed s: %ld ns: %ld", elapsed.tv_sec, elapsed.tv_nsec);
 
 	stats->frames++;
-	stats->nsecs += (stats->elapsed.tv_sec * NSEC_PER_SEC + stats->elapsed.tv_nsec);
+	stats->nsecs += (elapsed.tv_sec * NSEC_PER_SEC + elapsed.tv_nsec);
 	if (stats->nsecs >= NSEC_PER_SEC) {
 		/* 
 		 * if we were garanteed that each frame took less than