Calculate frame delay on a span level

CHANGELOG.md

@@ -6,6 +6,7 @@
 
 - Add new threshold parameters to monitor config ([#3181](https://github.com/getsentry/sentry-java/pull/3181))
 - Report process init time as a span for app start performance ([#3159](https://github.com/getsentry/sentry-java/pull/3159))
+- (perf-v2): Calculate frame delay on a span level ([#3197](https://github.com/getsentry/sentry-java/pull/3197))
 
 ### Fixes
 

sentry-android-core/api/sentry-android-core.api

@@ -349,7 +349,7 @@ public final class io/sentry/android/core/SentryPerformanceProvider {
 }
 
 public class io/sentry/android/core/SpanFrameMetricsCollector : io/sentry/IPerformanceContinuousCollector, io/sentry/android/core/internal/util/SentryFrameMetricsCollector$FrameMetricsCollectorListener {
-	public fun <init> (Lio/sentry/android/core/SentryAndroidOptions;)V
+	public fun <init> (Lio/sentry/android/core/SentryAndroidOptions;Lio/sentry/android/core/internal/util/SentryFrameMetricsCollector;)V
 	public fun clear ()V
 	public fun onFrameMetricCollected (JJJJZZF)V
 	public fun onSpanFinished (Lio/sentry/ISpan;)V

sentry-android-core/src/main/java/io/sentry/android/core/AndroidOptionsInitializer.java

@@ -212,7 +212,12 @@ static void initializeIntegrationsAndProcessors(
           new AndroidCpuCollector(options.getLogger(), buildInfoProvider));
 
       if (options.isEnablePerformanceV2()) {
-        options.addPerformanceCollector(new SpanFrameMetricsCollector(options));
+        options.addPerformanceCollector(
+            new SpanFrameMetricsCollector(
+                options,
+                Objects.requireNonNull(
+                    options.getFrameMetricsCollector(),
+                    "options.getFrameMetricsCollector is required")));
       }
     }
     options.setTransactionPerformanceCollector(new DefaultTransactionPerformanceCollector(options));

sentry-android-core/src/main/java/io/sentry/android/core/SentryFrameMetrics.java

@@ -24,6 +24,7 @@ public SentryFrameMetrics(
       final int frozenFrameCount,
       final long frozenFrameDelayNanos,
       final long totalDurationNanos) {
+
     this.normalFrameCount = normalFrameCount;
 
     this.slowFrameCount = slowFrameCount;
@@ -34,21 +35,21 @@ public SentryFrameMetrics(
     this.totalDurationNanos = totalDurationNanos;
   }
 
-  public void addSlowFrame(final long durationNanos, final long delayNanos) {
-    totalDurationNanos += durationNanos;
-    slowFrameDelayNanos += delayNanos;
-    slowFrameCount++;
-  }
-
-  public void addFrozenFrame(final long durationNanos, final long delayNanos) {
-    totalDurationNanos += durationNanos;
-    frozenFrameDelayNanos += delayNanos;
-    frozenFrameCount++;
-  }
-
-  public void addNormalFrame(final long durationNanos) {
+  public void addFrame(
+      final long durationNanos,
+      final long delayNanos,
+      final boolean isSlow,
+      final boolean isFrozen) {
     totalDurationNanos += durationNanos;
-    normalFrameCount++;
+    if (isFrozen) {
+      frozenFrameDelayNanos += delayNanos;
+      frozenFrameCount += 1;
+    } else if (isSlow) {
+      slowFrameDelayNanos += delayNanos;
+      slowFrameCount += 1;
+    } else {
+      normalFrameCount += 1;
+    }
   }
 
   public int getNormalFrameCount() {