Expose a metric for Nageru being stalled on the Quick Sync encoder.

[nageru] / quicksync_encoder.cpp

diff --git a/quicksync_encoder.cpp b/quicksync_encoder.cpp
index a0b3876ae59098e85ec7847d785f143031580405..0c9cf0640446f39df3dcdfca27f0d16f584a50d2 100644 (file)
--- a/quicksync_encoder.cpp
+++ b/quicksync_encoder.cpp
@@ -68,10 +68,11 @@ namespace {
 
 // These need to survive several QuickSyncEncoderImpl instances,
 // so they are outside.
-bool mux_metrics_inited = false;
+bool quick_sync_metrics_inited = false;
 LatencyHistogram mixer_latency_histogram, qs_latency_histogram;
 MuxMetrics current_file_mux_metrics, total_mux_metrics;
 std::atomic<double> metric_current_file_start_time_seconds{0.0 / 0.0};
+std::atomic<int64_t> metric_quick_sync_stalled_frames{0};
 
 }  // namespace
 
@@ -1572,13 +1573,14 @@ QuickSyncEncoderImpl::QuickSyncEncoderImpl(const std::string &filename, Resource
                memset(&slice_param, 0, sizeof(slice_param));
        }
 
-       if (!mux_metrics_inited) {
+       if (!quick_sync_metrics_inited) {
                mixer_latency_histogram.init("mixer");
                qs_latency_histogram.init("quick_sync");
                current_file_mux_metrics.init({{ "destination", "current_file" }});
                total_mux_metrics.init({{ "destination", "files_total" }});
                global_metrics.add("current_file_start_time_seconds", &metric_current_file_start_time_seconds, Metrics::TYPE_GAUGE);
-               mux_metrics_inited = true;
+               global_metrics.add("quick_sync_stalled_frames", &metric_quick_sync_stalled_frames);
+               quick_sync_metrics_inited = true;
        }
 
        storage_thread = thread(&QuickSyncEncoderImpl::storage_task_thread, this);
@@ -1640,6 +1642,7 @@ bool QuickSyncEncoderImpl::begin_frame(int64_t pts, int64_t duration, YCbCrLumaC
                if (surf == nullptr) {
                        fprintf(stderr, "Warning: No free slots for frame %d, rendering has to wait for H.264 encoder\n",
                                current_storage_frame);
+                       ++metric_quick_sync_stalled_frames;
                        storage_task_queue_changed.wait(lock, [this, &surf]{
                                if (storage_thread_should_quit)
                                        return true;