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fix(observability): JankTracker 스레드 경합 크래시 수정 #662

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Merged
Sadturtleman merged 1 commit into from
Nov 2, 2026
Merged

fix(observability): JankTracker 스레드 경합 크래시 수정 #662

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4 changes: 4 additions & 0 deletions app/src/main/java/com/ruleup/android_ruleup/observability/JankTracker.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -30,13 +30,17 @@ class JankTracker
// 창 하나(5초 × 60fps ≈ 300개) 분량.
private val durationsMillis = ArrayList<Long>(INITIAL_SAMPLES)

// onFrame 은 FrameMetrics HandlerThread, onScreenChanged 는 메인 스레드에서 온다. 상태를 같이 쓰므로 직렬화한다.

/** 화면 전환 직전에 호출한다. */
@Synchronized
fun onScreenChanged() {
if (total > 0) closeWindow((lastFrameNanos - windowStartNanos) / NANOS_PER_MILLI)
windowStartNanos = 0L
lastFrameNanos = 0L
}

@Synchronized
fun onFrame(frame: FrameData) {
val startNanos = frame.frameStartNanos
if (windowStartNanos == 0L) {
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