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fix: trace delayed websocket acknowledgements

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This commit is contained in:
richjohnrambo
2026-10-01 15:19:57 +08:00
parent 19584d0939
commit 73a594146f
19 changed files with 788 additions and 149 deletions
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loadtest/im-pressure/merge_test.go
+12 -5
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@@ -13,14 +13,17 @@ func TestRunMergeComputesArrivalAndPersistenceGate(t *testing.T) {
a := AgentSummary{RunID: "run1", Scenario: "p2p", Machine: "a", ReadyConnections: 1000,
ExpectedConnections: 1000,
PublishAttempted: 10, PublishAccepted: 10, ExpectedPeer: 10, ReceivedPeer: 9, UnexpectedMessages: 42,
PublishErrors: map[string]int64{"ctrl_timeout": 3, "socket": 2, "503": 1},
RealtimeLost: 1, HistoryChecked: 10, HistoryFound: 10, Disconnects: 1,
CtrlTrackingEnabled: true, PublishCtrlObserved: 9, PublishCtrlOver20: 2, PublishLateCtrl: 2,
PublishCtrlUnresolved: 1,
PublishErrors: map[string]int64{"ctrl_timeout": 3, "socket": 2, "503": 1},
RealtimeLost: 1, HistoryChecked: 10, HistoryFound: 10, Disconnects: 1,
DisconnectReasons: map[string]int64{"timeout": 1},
DisconnectSamples: []DisconnectSample{{ReceiverMachine: "a", ReceiverIndex: 3, Category: "timeout"}}}
b := AgentSummary{RunID: "run1", Scenario: "p2p", Machine: "b", ReadyConnections: 1000,
ExpectedConnections: 1000,
PublishAttempted: 10, PublishAccepted: 10, ExpectedPeer: 10, ReceivedPeer: 10,
HistoryChecked: 10, HistoryFound: 9, PersistenceLost: 1, OutOfOrder: 1,
CtrlTrackingEnabled: true, PublishCtrlObserved: 10,
Disconnects: 2, DisconnectReasons: map[string]int64{"timeout": 1, "connection_reset": 1},
OrderingViolations: []OrderingViolation{{ReceiverMachine: "b", ReceiverIndex: 7, PreviousSeq: 12, CurrentSeq: 11}}}
aPath, bPath, reportPath := filepath.Join(dir, "a.json"), filepath.Join(dir, "b.json"), filepath.Join(dir, "report.json")
@@ -43,10 +46,14 @@ func TestRunMergeComputesArrivalAndPersistenceGate(t *testing.T) {
if report.Passed || report.PersistenceLost != 1 {
t.Fatalf("correctness gate did not fail: %+v", report)
}
if report.UnexpectedMessages != 42 || report.PublishOutcomeUnknown != 5 ||
if report.UnexpectedMessages != 42 || report.PublishOutcomeUnknown != 3 ||
report.PublishExplicitReject != 1 || report.PublishRejected != 1 {
t.Fatalf("ambiguous publish outcomes were not merged: %+v", report)
}
if report.PublishCtrlObserved != 19 || report.PublishCtrlOver20 != 2 || report.PublishLateCtrl != 2 ||
report.PublishCtrlUnresolved != 1 {
t.Fatalf("ctrl observations were not merged: %+v", report)
}
if len(report.OrderingViolations) != 1 || report.OrderingViolations[0].ReceiverIndex != 7 {
t.Fatalf("ordering violations were not merged: %+v", report.OrderingViolations)
}
@@ -93,7 +100,7 @@ func TestMergedAckP95FallsBackWhenRawSamplesAreIncomplete(t *testing.T) {
}
}
func TestRunMergeUsesSameClockDeliveryLatencyForGate(t *testing.T) {
func TestRunMergeReportsSameClockDeliveryLatency(t *testing.T) {
dir := t.TempDir()
local := HistogramSnapshot{Count: 10, MaxMS: 200, Buckets: map[string]int64{"200ms": 10}}
cross := HistogramSnapshot{Count: 10, MaxMS: 5000, Buckets: map[string]int64{"5s": 10}}
@@ -120,7 +127,7 @@ func TestRunMergeUsesSameClockDeliveryLatencyForGate(t *testing.T) {
t.Fatalf("unexpected delivery percentiles: %+v", report)
}
if report.CrossClockSkewSamples != 6 || !report.Passed {
t.Fatalf("cross-machine clock skew must not fail the same-clock latency gate: %+v", report)
t.Fatalf("cross-machine clock skew must not fail correctness acceptance: %+v", report)
}
}