37 lines
577 B
Go
37 lines
577 B
Go
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package main
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import (
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"runtime"
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"time"
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"github.com/Xe/ln"
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)
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func init() {
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ln.Log(ln.F{
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"action": "started_up",
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"every": "20_seconds",
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"what": "gc_metrics",
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})
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go func() {
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for {
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time.Sleep(20 * time.Second)
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gatherMetrics()
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}
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}()
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}
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func gatherMetrics() {
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stats := &runtime.MemStats{}
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runtime.ReadMemStats(stats)
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ln.Log(ln.F{
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"gc-collections": stats.NumGC,
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"gc-stw-pause-total": stats.PauseTotalNs,
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"live-object-count": stats.Mallocs - stats.Frees,
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"heap-bytes": stats.Alloc,
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"stack-bytes": stats.StackInuse,
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})
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}
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