fix(gateway): sustain qualified media traversal

gateway/qualification_contract_test.go

@@ -109,7 +109,8 @@ func TestQualificationShortProcessingWritesRawArtifact(t *testing.T) {
 	}
 	if summary.Count < 1 || summary.RawSamplesSHA256 == "" || summary.RawSamplesBytes < 1 ||
 		summary.ResourceSamples < 2 || summary.RawResourcesSHA256 == "" || summary.RawResourcesBytes < 1 ||
-		summary.CPUScope != qualificationGatewayCPUScope || summary.ClockOverhead <= 0 || summary.ClockMethod == "" {
+		summary.CPUScope != qualificationGatewayCPUScope || summary.ResourceMethod != qualificationResourceMethod ||
+		summary.ClockOverhead <= 0 || summary.ClockMethod == "" {
 		t.Fatalf("processing summary = %#v", summary)
 	}
 	file, err := os.Open(rawPath)
@@ -151,6 +152,20 @@ func TestQualificationShortProcessingSubprocessCoversFixedProfiles(t *testing.T)
 	}
 }
 
+func TestQualificationSustainedProcessingKeepsCleanPathBounded(t *testing.T) {
+	profile := qualificationMediaProfiles()[2]
+	profile.Duration = 2 * time.Minute
+	profile.Warmup = 100 * time.Millisecond
+	summary, err := runQualificationProcessing(t, profile, filepath.Join(t.TempDir(), "4k60-hevc.csv.gz"))
+	if err != nil {
+		t.Fatal(err)
+	}
+	if summary.Count < 1 || summary.ObservedBitrateKbps < float64(profile.BitrateKbps)*0.95 ||
+		summary.ObservedBitrateKbps > float64(profile.BitrateKbps)*1.05 {
+		t.Fatalf("sustained processing summary = %#v", summary)
+	}
+}
+
 func TestQualificationProcessingResourcesExcludeParentDriverCPU(t *testing.T) {
 	profile := qualificationMediaProfile{
 		Name: "resource-isolation", Codec: "h264", BitrateKbps: 1000,
@@ -429,11 +444,11 @@ func TestQualificationGatewaySubprocessResourcesResetAndTrackWork(t *testing.T)
 	if idle.CPUSeconds > 50*time.Millisecond.Seconds() || secondIdle.CPUSeconds > 50*time.Millisecond.Seconds() {
 		t.Fatalf("idle gateway CPU was reported as consumed work: first=%.6fs second=%.6fs", idle.CPUSeconds, secondIdle.CPUSeconds)
 	}
-	if work.CPUSeconds <= idle.CPUSeconds || work.Count != 500 || work.Mallocs == 0 ||
+	if work.CPUSeconds <= idle.CPUSeconds || work.Count != 500 || work.AllocatedObjects == 0 ||
 		work.AllocatedBytes == 0 || work.PeakHeapBytes == 0 || work.PeakGoroutines == 0 {
 		t.Fatalf("gateway work resource sample = %#v idle=%#v", work, idle)
 	}
-	if secondIdle.Mallocs >= work.Mallocs || secondIdle.AllocatedBytes >= work.AllocatedBytes {
+	if secondIdle.AllocatedObjects >= work.AllocatedObjects || secondIdle.AllocatedBytes >= work.AllocatedBytes {
 		t.Fatalf("successive recording inherited counters: work=%#v second=%#v", work, secondIdle)
 	}
 	if work.ClockOverhead <= 0 || work.ClockMethod != qualificationClockOverheadMethod {