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49 lines
1.8 KiB
Go
49 lines
1.8 KiB
Go
//go:build pprof
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package main
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import (
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"net/http"
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_ "net/http/pprof"
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"runtime"
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"runtime/debug"
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"time"
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"github.com/rs/zerolog/log"
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strutils "github.com/yusing/goutils/strings"
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)
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func initProfiling() {
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go func() {
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log.Info().Msgf("pprof server started at http://localhost:7777/debug/pprof/")
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log.Error().Err(http.ListenAndServe(":7777", nil)).Msg("pprof server failed")
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}()
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go func() {
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ticker := time.NewTicker(time.Second * 10)
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defer ticker.Stop()
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var m runtime.MemStats
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var gcStats debug.GCStats
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for range ticker.C {
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runtime.ReadMemStats(&m)
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debug.ReadGCStats(&gcStats)
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log.Info().Msgf("-----------------------------------------------------")
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log.Info().Msgf("Timestamp: %s", time.Now().Format(time.RFC3339))
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log.Info().Msgf(" Go Heap - In Use (Alloc/HeapAlloc): %s", strutils.FormatByteSize(m.Alloc))
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log.Info().Msgf(" Go Heap - Reserved from OS (HeapSys): %s", strutils.FormatByteSize(m.HeapSys))
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log.Info().Msgf(" Go Stacks - In Use (StackInuse): %s", strutils.FormatByteSize(m.StackInuse))
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log.Info().Msgf(" Go Runtime - Other Sys (MSpanInuse, MCacheInuse, BuckHashSys, GCSys, OtherSys): %s", strutils.FormatByteSize(m.MSpanInuse+m.MCacheInuse+m.BuckHashSys+m.GCSys+m.OtherSys))
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log.Info().Msgf(" Go Runtime - Total from OS (Sys): %s", strutils.FormatByteSize(m.Sys))
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log.Info().Msgf(" Go Runtime - Freed from OS (HeapReleased): %s", strutils.FormatByteSize(m.HeapReleased))
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log.Info().Msgf(" Number of Goroutines: %d", runtime.NumGoroutine())
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log.Info().Msgf(" Number of completed GC cycles: %d", m.NumGC)
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log.Info().Msgf(" Number of GCs: %d", gcStats.NumGC)
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log.Info().Msgf(" Total GC time: %s", gcStats.PauseTotal)
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log.Info().Msgf(" Last GC time: %s", gcStats.LastGC.Format(time.DateTime))
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log.Info().Msg("-----------------------------------------------------")
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}
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}()
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}
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