[ENG-2343] Stream attempts metric

livepeer · Jan 10, 2025 · 9d4f9fe · 9d4f9fe
1 parent b026313
commit 9d4f9fe
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Showing 3 changed files with 20 additions and 1 deletion.
diff --git a/monitor/census.go b/monitor/census.go
@@ -206,6 +206,7 @@ type (
 		mAIResultSaveFailed     *stats.Int64Measure
 		mAICurrentLivePipelines *stats.Int64Measure
 		mAIFirstSegmentDelay    *stats.Int64Measure
+		mAILiveAttempts         *stats.Int64Measure
 
 		lock        sync.Mutex
 		emergeTimes map[uint64]map[uint64]time.Time // nonce:seqNo
@@ -377,6 +378,7 @@ func InitCensus(nodeType NodeType, version string) {
 	census.mAIResultSaveFailed = stats.Int64("ai_result_upload_failed_total", "AIResultUploadFailed", "tot")
 	census.mAICurrentLivePipelines = stats.Int64("ai_current_live_pipelines", "Number of live AI pipelines currently running", "tot")
 	census.mAIFirstSegmentDelay = stats.Int64("ai_first_segment_delay_ms", "Delay of the first live AI segment being processed", "ms")
+	census.mAILiveAttempts = stats.Int64("ai_live_attempts", "AI Live stream attempted", "tot")
 
 	glog.Infof("Compiler: %s Arch %s OS %s Go version %s", runtime.Compiler, runtime.GOARCH, runtime.GOOS, runtime.Version())
 	glog.Infof("Livepeer version: %s", version)
@@ -991,6 +993,13 @@ func InitCensus(nodeType NodeType, version string) {
 			TagKeys:     baseTagsWithOrchInfo,
 			Aggregation: view.Distribution(0, .10, .20, .50, .100, .150, .200, .500, .1000, .5000, 10.000),
 		},
+		{
+			Name:        "ai_live_attempt",
+			Measure:     census.mAILiveAttempts,
+			Description: "AI Live stream attempted",
+			TagKeys:     baseTags,
+			Aggregation: view.Count(),
+		},
 	}
 
 	// Register the views
@@ -1992,6 +2001,10 @@ func AIFirstSegmentDelay(delayMs int64, orchInfo *lpnet.OrchestratorInfo) {
 	}
 }
 
+func AILiveVideoAttempt() {
+	stats.Record(census.ctx, census.mAILiveAttempts.M(1))
+}
+
 // Convert wei to gwei
 func wei2gwei(wei *big.Int) float64 {
 	gwei, _ := new(big.Float).Quo(new(big.Float).SetInt(wei), big.NewFloat(float64(gweiConversionFactor))).Float64()

diff --git a/server/ai_http.go b/server/ai_http.go
@@ -95,6 +95,9 @@ func aiHttpHandle[I any](h *lphttp, decoderFunc func(*I, *http.Request) error) h
 
 func (h *lphttp) StartLiveVideoToVideo() http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if monitor.Enabled {
+			monitor.AILiveVideoAttempt()
+		}
 
 		remoteAddr := getRemoteAddr(r)
 		ctx := clog.AddVal(r.Context(), clog.ClientIP, remoteAddr)

diff --git a/server/ai_process.go b/server/ai_process.go
@@ -1079,9 +1079,12 @@ func submitLiveVideoToVideo(ctx context.Context, params aiRequestParams, sess *A
 	startControlPublish(control, params)
 	startTricklePublish(ctx, pub, params, sess)
 	startTrickleSubscribe(ctx, sub, params, func() {
+		delayMs := time.Since(startTime).Milliseconds()
 		if monitor.Enabled {
-			monitor.AIFirstSegmentDelay(time.Since(startTime).Milliseconds(), sess.OrchestratorInfo)
+			monitor.AIFirstSegmentDelay(delayMs, sess.OrchestratorInfo)
 		}
+		clog.V(common.VERBOSE).Infof(ctx, "First Segment delay=%dms streamID=%s", delayMs, params.liveParams.streamID)
+
 	})
 	startEventsSubscribe(ctx, events, params, sess)
 	return resp, nil