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Update debug.go

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rjl493456442 2024-05-26 21:27:27 +08:00 committed by GitHub
parent 89bb50d182
commit e1444d1b2e
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1 changed files with 9 additions and 9 deletions
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18
metrics/debug.go
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@ -19,18 +19,18 @@ var (
gcStats debug.GCStats
)
// CaptureDebugGCStats capture new values for the Go garbage collector statistics exported in
// debug.GCStats. This is designed to be called as a goroutine.
// CaptureDebugGCStats capture new values for the Go garbage collector statistics
// exported in debug.GCStats. This is designed to be called as a goroutine.
func CaptureDebugGCStats(r Registry, d time.Duration) {
for range time.Tick(d) {
CaptureDebugGCStatsOnce(r)
}
}
// CaptureDebugGCStatsOnce capture new values for the Go garbage collector statistics exported in
// debug.GCStats. This is designed to be called in a background goroutine.
// Giving a registry which has not been given to RegisterDebugGCStats will
// panic.
// CaptureDebugGCStatsOnce capture new values for the Go garbage collector
// statistics exported in debug.GCStats. This is designed to be called in
// a background goroutine. Giving a registry which has not been given to
// RegisterDebugGCStats will panic.
//
// Be careful (but much less so) with this because debug.ReadGCStats calls
// the C function runtime·lock(runtime·mheap) which, while not a stop-the-world
@ -50,9 +50,9 @@ func CaptureDebugGCStatsOnce(r Registry) {
debugMetrics.GCStats.PauseTotal.Update(int64(gcStats.PauseTotal))
}
// RegisterDebugGCStats register metrics for the Go garbage collector statistics exported in
// debug.GCStats. The metrics are named by their fully-qualified Go symbols,
// i.e. debug.GCStats.PauseTotal.
// RegisterDebugGCStats register metrics for the Go garbage collector statistics
// exported in debug.GCStats. The metrics are named by their fully-qualified Go
// symbols, i.e. debug.GCStats.PauseTotal.
func RegisterDebugGCStats(r Registry) {
debugMetrics.GCStats.LastGC = NewGauge()
debugMetrics.GCStats.NumGC = NewGauge()