73 lines
2.2 KiB
Go
73 lines
2.2 KiB
Go
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package metrics
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import (
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"fmt"
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"io"
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"github.com/rcrowley/go-metrics"
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)
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// NOTE: This is copy & pasted from cbft as otherwise there
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// would be an import cycle.
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var timerPercentiles = []float64{0.5, 0.75, 0.95, 0.99, 0.999}
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func WriteTimerJSON(w io.Writer, timer metrics.Timer) {
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t := timer.Snapshot()
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p := t.Percentiles(timerPercentiles)
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fmt.Fprintf(w, `{"count":%9d,`, t.Count())
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fmt.Fprintf(w, `"min":%9d,`, t.Min())
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fmt.Fprintf(w, `"max":%9d,`, t.Max())
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fmt.Fprintf(w, `"mean":%12.2f,`, t.Mean())
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fmt.Fprintf(w, `"stddev":%12.2f,`, t.StdDev())
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fmt.Fprintf(w, `"percentiles":{`)
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fmt.Fprintf(w, `"median":%12.2f,`, p[0])
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fmt.Fprintf(w, `"75%%":%12.2f,`, p[1])
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fmt.Fprintf(w, `"95%%":%12.2f,`, p[2])
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fmt.Fprintf(w, `"99%%":%12.2f,`, p[3])
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fmt.Fprintf(w, `"99.9%%":%12.2f},`, p[4])
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fmt.Fprintf(w, `"rates":{`)
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fmt.Fprintf(w, `"1-min":%12.2f,`, t.Rate1())
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fmt.Fprintf(w, `"5-min":%12.2f,`, t.Rate5())
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fmt.Fprintf(w, `"15-min":%12.2f,`, t.Rate15())
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fmt.Fprintf(w, `"mean":%12.2f}}`, t.RateMean())
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}
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func WriteTimerCSVHeader(w io.Writer, prefix string) {
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fmt.Fprintf(w, "%s-count,", prefix)
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fmt.Fprintf(w, "%s-min,", prefix)
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fmt.Fprintf(w, "%s-max,", prefix)
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fmt.Fprintf(w, "%s-mean,", prefix)
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fmt.Fprintf(w, "%s-stddev,", prefix)
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fmt.Fprintf(w, "%s-percentile-50%%,", prefix)
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fmt.Fprintf(w, "%s-percentile-75%%,", prefix)
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fmt.Fprintf(w, "%s-percentile-95%%,", prefix)
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fmt.Fprintf(w, "%s-percentile-99%%,", prefix)
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fmt.Fprintf(w, "%s-percentile-99.9%%,", prefix)
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fmt.Fprintf(w, "%s-rate-1-min,", prefix)
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fmt.Fprintf(w, "%s-rate-5-min,", prefix)
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fmt.Fprintf(w, "%s-rate-15-min,", prefix)
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fmt.Fprintf(w, "%s-rate-mean", prefix)
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}
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func WriteTimerCSV(w io.Writer, timer metrics.Timer) {
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t := timer.Snapshot()
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p := t.Percentiles(timerPercentiles)
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fmt.Fprintf(w, `%d,`, t.Count())
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fmt.Fprintf(w, `%d,`, t.Min())
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fmt.Fprintf(w, `%d,`, t.Max())
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fmt.Fprintf(w, `%f,`, t.Mean())
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fmt.Fprintf(w, `%f,`, t.StdDev())
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fmt.Fprintf(w, `%f,`, p[0])
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fmt.Fprintf(w, `%f,`, p[1])
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fmt.Fprintf(w, `%f,`, p[2])
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fmt.Fprintf(w, `%f,`, p[3])
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fmt.Fprintf(w, `%f,`, p[4])
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fmt.Fprintf(w, `%f,`, t.Rate1())
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fmt.Fprintf(w, `%f,`, t.Rate5())
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fmt.Fprintf(w, `%f,`, t.Rate15())
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fmt.Fprintf(w, `%f`, t.RateMean())
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}
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