mirror of
https://github.com/livekit/livekit.git
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Raja SubramanianandClaude Opus 5.5
d2cf39bce6
* sfu: replace forward scheduling delay with processing per subscriber Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> * sfu: describe processing per subscriber as per write Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> * telemetry: name forward processing metrics per write Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> * Pin protocol with NodeStats forward_processing_per_write Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
70 lines
2.3 KiB
Go
70 lines
2.3 KiB
Go
// Copyright 2026 LiveKit, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package prometheus
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import (
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"testing"
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promclient "github.com/prometheus/client_golang/prometheus"
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dto "github.com/prometheus/client_model/go"
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"github.com/stretchr/testify/require"
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"github.com/livekit/protocol/livekit"
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)
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func TestKeyFrameMetrics(t *testing.T) {
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require.NoError(t, Init("test", livekit.NodeType_SERVER))
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incomingBefore := counterValue(t, promKeyFrameTotal.WithLabelValues(string(Incoming)))
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outgoingBefore := counterValue(t, promKeyFrameTotal.WithLabelValues(string(Outgoing)))
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IncrementKeyFrames(Incoming)
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IncrementKeyFrames(Outgoing)
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IncrementKeyFrames(Outgoing)
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require.Equal(t, incomingBefore+1, counterValue(t, promKeyFrameTotal.WithLabelValues(string(Incoming))))
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require.Equal(t, outgoingBefore+2, counterValue(t, promKeyFrameTotal.WithLabelValues(string(Outgoing))))
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}
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func counterValue(t *testing.T, counter promclient.Counter) float64 {
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t.Helper()
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metric := &dto.Metric{}
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require.NoError(t, counter.Write(metric))
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return metric.GetCounter().GetValue()
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}
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func TestForwardProcessingPerWriteMetrics(t *testing.T) {
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require.NoError(t, Init("test", livekit.NodeType_SERVER))
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countBefore, sumBefore := histogramValue(t, promForwardProcessingPerWriteHist)
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RecordForwardProcessingPerWriteSample(3_500)
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RecordForwardProcessingPerWriteSample(4_500)
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count, sum := histogramValue(t, promForwardProcessingPerWriteHist)
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require.Equal(t, countBefore+2, count)
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require.Equal(t, sumBefore+8_000, sum)
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RecordForwardProcessingPerWrite(4_000)
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require.Equal(t, uint32(4_000), forwardProcessingPerWrite.Load())
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}
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func histogramValue(t *testing.T, histogram promclient.Histogram) (uint64, float64) {
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t.Helper()
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metric := &dto.Metric{}
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require.NoError(t, histogram.Write(metric))
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return metric.GetHistogram().GetSampleCount(), metric.GetHistogram().GetSampleSum()
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}
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