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feat(metrics): add pipeline average time metrics
Add two prometheus gauges measuring the following metrics: 1. Average time spent from kernel to decoding 2. Average time spent from kernel to publishing
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,55 @@ | ||
package counter | ||
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import ( | ||
"fmt" | ||
"sync" | ||
) | ||
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type Average struct { | ||
sum Counter | ||
c Counter | ||
m *sync.RWMutex | ||
} | ||
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func NewAverage() Average { | ||
return Average{ | ||
sum: NewCounter(0), | ||
c: NewCounter(0), | ||
m: new(sync.RWMutex), | ||
} | ||
} | ||
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func (avg *Average) Read() float64 { | ||
avg.m.RLock() | ||
defer avg.m.RUnlock() | ||
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sum := float64(avg.sum.Get()) | ||
count := float64(avg.c.Get()) | ||
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return sum / count | ||
} | ||
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func (avg *Average) Add(val uint64) error { | ||
_, err := avg.AddAndRead(val) | ||
return err | ||
} | ||
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func (avg *Average) AddAndRead(val uint64) (float64, error) { | ||
avg.m.Lock() | ||
defer avg.m.Unlock() | ||
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sum, err := avg.sum.IncrementValueAndRead(val) | ||
if err != nil { | ||
return 0, fmt.Errorf("failed to increment average sum: %v", err) | ||
} | ||
count, err := avg.c.IncrementValueAndRead(1) | ||
if err != nil { | ||
return 0, fmt.Errorf("failed to increment average count: %v", err) | ||
} | ||
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return float64(sum) / float64(count), nil | ||
} | ||
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func (avg Average) String() string { | ||
return fmt.Sprintf("%f", avg.Read()) | ||
} |
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