fix

pkg/pprof/pprof.go

@@ -0,0 +1,75 @@
+package pprof
+
+import (
+	"jiacrontab/pkg/file"
+	"path/filepath"
+	"runtime"
+	"runtime/pprof"
+	"time"
+
+	"github.com/iwannay/log"
+)
+
+func ListenPprof() {
+	go listenSignal()
+}
+
+func cpuprofile() {
+	path := filepath.Join("pprof", "cpuprofile")
+	log.Debugf("profile save in %s", path)
+
+	f, err := file.CreateFile(path)
+	if err != nil {
+		log.Error("could not create CPU profile: ", err)
+		return
+	}
+
+	defer f.Close()
+
+	if err := pprof.StartCPUProfile(f); err != nil {
+		log.Error("could not start CPU profile: ", err)
+	} else {
+		time.Sleep(time.Minute)
+	}
+	defer pprof.StopCPUProfile()
+}
+
+func memprofile() {
+	path := filepath.Join("pprof", "memprofile")
+	log.Debugf("profile save in %s", path)
+	f, err := file.CreateFile(path)
+	if err != nil {
+		log.Error("could not create memory profile: ", err)
+		return
+	}
+
+	defer f.Close()
+
+	runtime.GC() // get up-to-date statistics
+
+	if err := pprof.WriteHeapProfile(f); err != nil {
+		log.Error("could not write memory profile: ", err)
+	}
+}
+
+func profile() {
+	names := []string{
+		"goroutine",
+		"heap",
+		"allocs",
+		"threadcreate",
+		"block",
+		"mutex",
+	}
+	for _, name := range names {
+		path := filepath.Join("pprof", name)
+		log.Debugf("profile save in %s", path)
+		f, err := file.CreateFile(path)
+		if err != nil {
+			log.Error(err)
+			continue
+		}
+		pprof.Lookup(name).WriteTo(f, 0)
+	}
+
+}

pkg/pprof/pprof_posix.go

@@ -0,0 +1,20 @@
+// +build !windows
+
+package pprof
+
+import (
+	"os"
+	"os/signal"
+	"syscall"
+)
+
+func listenSignal() {
+	signChan := make(chan os.Signal, 1)
+	signal.Notify(signChan, syscall.SIGUSR1)
+	for {
+		<-signChan
+		profile()
+		memprofile()
+		cpuprofile()
+	}
+}

pkg/pprof/pprof_windows.go

@@ -0,0 +1,4 @@
+package pprof
+
+func listenSignal() {
+}