Start times should be gauges, not counters.

[nageru] / mixer.cpp

diff --git a/mixer.cpp b/mixer.cpp
index 24f2a8091c941a8f9338964902be0c988a7a6ba9..4560bbb4976fc74b497c24e16ceee465f52c33db 100644 (file)
--- a/mixer.cpp
+++ b/mixer.cpp
@@ -402,9 +402,11 @@ Mixer::Mixer(const QSurfaceFormat &format, unsigned num_cards)
                set_output_card_internal(global_flags.output_card);
        }
 
+       metric_start_time_seconds = get_timestamp_for_metrics();
+
        global_metrics.add("frames_output_total", &metric_frames_output_total);
        global_metrics.add("frames_output_dropped", &metric_frames_output_dropped);
-       global_metrics.add("uptime_seconds", &metric_uptime_seconds);
+       global_metrics.add("start_time_seconds", &metric_start_time_seconds, Metrics::TYPE_GAUGE);
        global_metrics.add("memory_used_bytes", &metrics_memory_used_bytes);
        global_metrics.add("metrics_memory_locked_limit_bytes", &metrics_memory_locked_limit_bytes);
 }
@@ -937,7 +939,6 @@ void Mixer::thread_func()
 
                metric_frames_output_total = frame_num;
                metric_frames_output_dropped = stats_dropped_frames;
-               metric_uptime_seconds = elapsed;
 
                if (frame_num % 100 == 0) {
                        printf("%d frames (%d dropped) in %.3f seconds = %.1f fps (%.1f ms/frame)",