Add the first beginnings of Prometheus metrics.

[nageru] / mixer.h

diff --git a/mixer.h b/mixer.h
index 73dfa3b53e5690a94557113a2d69fb8f9bfb1599..bb317c87ad503f8941513e7ba12682b0dbaf3f3d 100644 (file)
--- a/mixer.h
+++ b/mixer.h
@@ -518,6 +518,11 @@ private:
        std::vector<uint32_t> mode_scanlist[MAX_VIDEO_CARDS];
        unsigned mode_scanlist_index[MAX_VIDEO_CARDS]{ 0 };
        std::chrono::steady_clock::time_point last_mode_scan_change[MAX_VIDEO_CARDS];
+
+       // Metrics.
+       std::atomic<int64_t> metrics_num_frames;
+       std::atomic<int64_t> metrics_dropped_frames;
+       std::atomic<double> metrics_uptime;
 };
 
 extern Mixer *global_mixer;