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44 lines
863 B
44 lines
863 B
package app
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import (
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"os"
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"reflect"
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"runtime/pprof"
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)
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var stats struct {
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v8workerSend int
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v8workerRespond int
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v8workerRecv int
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v8workerBytesSent int
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v8workerBytesRecv int
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}
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func initStats(args []string) {
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initCpuProfile(strArg(args, "--cpuprof"))
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initMemoryProfile(strArg(args, "--memprof"))
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OnFree(freeStats)
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}
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func initCpuProfile(cpuprof string) {
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if cpuprof != "" {
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cpuProfile, err := os.Create(cpuprof)
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check(err)
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check(pprof.StartCPUProfile(cpuProfile))
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OnStop(pprof.StopCPUProfile)
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}
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}
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func initMemoryProfile(memprof string) {
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if memprof != "" {
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memProfile, err := os.Create(memprof)
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check(err)
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check(pprof.WriteHeapProfile(memProfile))
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OnStop(func() { check(memProfile.Close()) })
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}
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}
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func freeStats() {
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newStats := reflect.New(reflect.TypeOf(stats))
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reflect.ValueOf(&stats).Elem().Set(newStats.Elem())
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}
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