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{
"schemaVersion": 1,
"mode": "deterministic",
"scenarioId": "good-vs-cpu-stressed",
"scenarioDescription": "Peer B is CPU stressed, but the paired call should still remain healthy.",
"fixtureId": null,
"generatedAt": "2026-04-26T13:13:47.953Z",
"seed": 606,
"pairedAnalysis": {
"peerA": {
"addr": "peer-A",
"role": "root-forwarder",
"primaryClass": "stall-dominated",
"provisionalBars": [
{
"metric": "packetsDroppedPendingDecryptRatePerSec",
"observed": 0,
"threshold": 1,
"operator": "<",
"passed": true,
"description": "Decrypt drop rate < 1.0/s (decrypt pass bar)"
},
{
"metric": "playoutUnderTargetFraction",
"observed": 0.0407725321888412,
"threshold": 0.35,
"operator": "<=",
"passed": true,
"description": "Under-target fraction ≤ 0.35 (provisional jitter pass)"
},
{
"metric": "playoutOutsideTargetFraction",
"observed": 0.04281115879828326,
"threshold": 0.5,
"operator": "<=",
"passed": true,
"description": "Outside-target fraction ≤ 0.5"
}
],
"passedAllBars": true,
"severity": "healthy",
"diagnosticNotes": [
"V2-managed sources: 1; using v2 jitter summary instead of legacy Opus window fields",
"Hidden decoded reserve: ring=277.0ms, target=120.0ms",
"Tick budget: 269 breaches, P95=36.0ms"
]
},
"peerB": {
"addr": "peer-B",
"role": "standby-forwarder",
"primaryClass": "policy-dominated",
"provisionalBars": [
{
"metric": "packetsDroppedPendingDecryptRatePerSec",
"observed": 0,
"threshold": 1,
"operator": "<",
"passed": true,
"description": "Decrypt drop rate < 1.0/s (decrypt pass bar)"
},
{
"metric": "playoutUnderTargetFraction",
"observed": 0.015012510425354461,
"threshold": 0.35,
"operator": "<=",
"passed": true,
"description": "Under-target fraction ≤ 0.35 (provisional jitter pass)"
},
{
"metric": "playoutOutsideTargetFraction",
"observed": 0.015763135946622184,
"threshold": 0.5,
"operator": "<=",
"passed": true,
"description": "Outside-target fraction ≤ 0.5"
}
],
"passedAllBars": true,
"severity": "healthy",
"diagnosticNotes": [
"V2-managed sources: 1; using v2 jitter summary instead of legacy Opus window fields"
]
},
"bothPassed": true,
"worseAddr": "peer-A",
"qualityScore": 8.336909871244636,
"callSummary": "[Good 8.3/10] BOTH PEERS PASS — peer-A (root-forwarder): stall-dominated, severity=healthy; peer-B (standby-forwarder): policy-dominated, severity=healthy"
},
"firstDegradedPeer": "peer-A",
"firstDegradedStage": "playout",
"likelyFixSurfaces": [
"stall-dominated",
"policy-dominated"
],
"peerA": {
"addr": "peer-A",
"role": "root-forwarder",
"senderProfileId": "cpuStressedSender",
"senderProfileLabel": "CPU-stressed caller",
"impairmentSummary": "Sender-side runtime pressure with repeated tick-budget-like stalls and bursty delivery.",
"metrics": {
"avgPcmBufferedMs": 115.8412017167382,
"avgPlayoutDeltaMs": -4.1587982832618025,
"playoutUnderTargetFraction": 0.0407725321888412,
"playoutOutsideTargetFraction": 0.04281115879828326,
"playoutRateFractionBelow1": 0.15,
"jitterUnderruns": 0,
"missingFrames": 3,
"concealmentTicks": 3,
"packetsDroppedStaleTimestamp": 0,
"packetsDroppedStaleTimestampRatePerSec": 0,
"packetsDroppedPendingDecrypt": 0,
"packetsDroppedPendingDecryptRatePerSec": 0,
"pendingDecryptDepthHighWater": 0,
"reticulumAudioBridgeQueuedFramesHighWater": 0,
"reticulumAudioBinaryOutQueueDepthHighWater": 0,
"reticulumAudioBridgeWaitingForDrain": false,
"reticulumAudioQueuePressureDrops": 0,
"reticulumAudioStaleDrops": 0,
"avgOpusBufferedMs": 304.12017167381975,
"maxOpusBufferedMs": 320,
"adaptiveTargetMedianMs": 120,
"wasmFecDeferredPcmTicks": 0,
"durationMs": 9320,
"adaptiveNetworkMode": "steady",
"playoutStarvationWorstSeverity": "none",
"gcallAudioStage5BoostCumulativeMs": 0,
"tickBudgetBreachCount": 269,
"tickBudgetBreachP95Ms": 36,
"tickBudgetBreachMaxMs": 36,
"longTaskCount": 0,
"role": "root-forwarder",
"v2ManagedSourceCount": 1,
"legacyWindowOpusMetricsMeaningful": false,
"avgPcmRingBufferedMs": 277.0386266094421,
"avgTargetBufferMs": 120
},
"timeline": {
"firstIssueAtMs": 20,
"firstIssueStage": "playout",
"arrival": {
"firstIssueAtMs": 316,
"totalPackets": 1196,
"deliveredPackets": 1194,
"droppedPackets": 2,
"dropRate": 0.0016722408026755853,
"staleTimestampDrops": 0,
"maxExcessLatenessMs": 65,
"maxTimestampRegressionMs": 80
},
"jitter": {
"firstIssueAtMs": 208,
"avgBufferedMs": 304.12017167381975,
"maxBufferedMs": 320,
"maxDepthFrames": 16
},
"decode": {
"firstIssueAtMs": 248,
"framesDecoded": 19,
"concealmentFrames": 3,
"concealmentTicks": 3
},
"pcmRing": {
"firstIssueAtMs": null,
"avgBufferedMs": 277.0386266094421,
"minBufferedMs": 60,
"maxBufferedMs": 280,
"underruns": 0,
"overruns": 0
},
"playout": {
"firstIssueAtMs": 20,
"avgDeltaMs": 20.472103004291846,
"underTargetFraction": 0.0407725321888412,
"outsideTargetFraction": 0.04281115879828326,
"targetBufferMs": 120
},
"perf": {
"tickBudgetBreachCount": 269,
"tickBudgetBreachP95Ms": 36,
"tickBudgetBreachMaxMs": 36,
"longTaskCount": 0
}
},
"stateTransitions": [
{
"state": "steady",
"count": 464
},
{
"state": "backlogDrain",
"count": 2
}
],
"classification": {
"addr": "peer-A",
"role": "root-forwarder",
"primaryClass": "stall-dominated",
"provisionalBars": [
{
"metric": "packetsDroppedPendingDecryptRatePerSec",
"observed": 0,
"threshold": 1,
"operator": "<",
"passed": true,
"description": "Decrypt drop rate < 1.0/s (decrypt pass bar)"
},
{
"metric": "playoutUnderTargetFraction",
"observed": 0.0407725321888412,
"threshold": 0.35,
"operator": "<=",
"passed": true,
"description": "Under-target fraction ≤ 0.35 (provisional jitter pass)"
},
{
"metric": "playoutOutsideTargetFraction",
"observed": 0.04281115879828326,
"threshold": 0.5,
"operator": "<=",
"passed": true,
"description": "Outside-target fraction ≤ 0.5"
}
],
"passedAllBars": true,
"severity": "healthy",
"diagnosticNotes": [
"V2-managed sources: 1; using v2 jitter summary instead of legacy Opus window fields",
"Hidden decoded reserve: ring=277.0ms, target=120.0ms",
"Tick budget: 269 breaches, P95=36.0ms"
]
}
},
"peerB": {
"addr": "peer-B",
"role": "standby-forwarder",
"senderProfileId": "cleanSender",
"senderProfileLabel": "Clean sender",
"impairmentSummary": "Low jitter, no intentional loss, stable cadence.",
"metrics": {
"avgPcmBufferedMs": 118.46872393661386,
"avgPlayoutDeltaMs": -1.5312760633861444,
"playoutUnderTargetFraction": 0.015012510425354461,
"playoutOutsideTargetFraction": 0.015763135946622184,
"playoutRateFractionBelow1": 0,
"jitterUnderruns": 0,
"missingFrames": 1,
"concealmentTicks": 1,
"packetsDroppedStaleTimestamp": 0,
"packetsDroppedStaleTimestampRatePerSec": 0,
"packetsDroppedPendingDecrypt": 0,
"packetsDroppedPendingDecryptRatePerSec": 0,
"pendingDecryptDepthHighWater": 0,
"reticulumAudioBridgeQueuedFramesHighWater": 0,
"reticulumAudioBinaryOutQueueDepthHighWater": 0,
"reticulumAudioBridgeWaitingForDrain": false,
"reticulumAudioQueuePressureDrops": 0,
"reticulumAudioStaleDrops": 0,
"avgOpusBufferedMs": 314.09507923269393,
"maxOpusBufferedMs": 320,
"adaptiveTargetMedianMs": 120,
"wasmFecDeferredPcmTicks": 0,
"durationMs": 23980,
"adaptiveNetworkMode": "steady",
"playoutStarvationWorstSeverity": "none",
"gcallAudioStage5BoostCumulativeMs": 0,
"tickBudgetBreachCount": 0,
"tickBudgetBreachP95Ms": 0,
"tickBudgetBreachMaxMs": 0,
"longTaskCount": 0,
"role": "standby-forwarder",
"v2ManagedSourceCount": 1,
"legacyWindowOpusMetricsMeaningful": false,
"avgPcmRingBufferedMs": 179.08256880733944,
"avgTargetBufferMs": 120
},
"timeline": {
"firstIssueAtMs": 20,
"firstIssueStage": "jitter",
"arrival": {
"firstIssueAtMs": null,
"totalPackets": 1197,
"deliveredPackets": 1197,
"droppedPackets": 0,
"dropRate": 0,
"staleTimestampDrops": 0,
"maxExcessLatenessMs": 6,
"maxTimestampRegressionMs": 0
},
"jitter": {
"firstIssueAtMs": 20,
"avgBufferedMs": 314.09507923269393,
"maxBufferedMs": 320,
"maxDepthFrames": 16
},
"decode": {
"firstIssueAtMs": 160,
"framesDecoded": 13,
"concealmentFrames": 1,
"concealmentTicks": 1
},
"pcmRing": {
"firstIssueAtMs": null,
"avgBufferedMs": 179.08256880733944,
"minBufferedMs": 0,
"maxBufferedMs": 220,
"underruns": 0,
"overruns": 0
},
"playout": {
"firstIssueAtMs": 20,
"avgDeltaMs": 22.378648874061717,
"underTargetFraction": 0.015012510425354461,
"outsideTargetFraction": 0.015763135946622184,
"targetBufferMs": 120
},
"perf": {
"tickBudgetBreachCount": 0,
"tickBudgetBreachP95Ms": 0,
"tickBudgetBreachMaxMs": 0,
"longTaskCount": 0
}
},
"stateTransitions": [
{
"state": "missingMedia",
"count": 3
},
{
"state": "coldStart",
"count": 3
},
{
"state": "steady",
"count": 1193
}
],
"classification": {
"addr": "peer-B",
"role": "standby-forwarder",
"primaryClass": "policy-dominated",
"provisionalBars": [
{
"metric": "packetsDroppedPendingDecryptRatePerSec",
"observed": 0,
"threshold": 1,
"operator": "<",
"passed": true,
"description": "Decrypt drop rate < 1.0/s (decrypt pass bar)"
},
{
"metric": "playoutUnderTargetFraction",
"observed": 0.015012510425354461,
"threshold": 0.35,
"operator": "<=",
"passed": true,
"description": "Under-target fraction ≤ 0.35 (provisional jitter pass)"
},
{
"metric": "playoutOutsideTargetFraction",
"observed": 0.015763135946622184,
"threshold": 0.5,
"operator": "<=",
"passed": true,
"description": "Outside-target fraction ≤ 0.5"
}
],
"passedAllBars": true,
"severity": "healthy",
"diagnosticNotes": [
"V2-managed sources: 1; using v2 jitter summary instead of legacy Opus window fields"
]
}
}
}