initial import

core/proc/goroutines.go

@@ -0,0 +1,35 @@
+// +build linux darwin
+
+package proc
+
+import (
+	"fmt"
+	"os"
+	"path"
+	"runtime/pprof"
+	"syscall"
+	"time"
+
+	"zero/core/logx"
+)
+
+const (
+	goroutineProfile = "goroutine"
+	debugLevel       = 2
+)
+
+func dumpGoroutines() {
+	command := path.Base(os.Args[0])
+	pid := syscall.Getpid()
+	dumpFile := path.Join(os.TempDir(), fmt.Sprintf("%s-%d-goroutines-%s.dump",
+		command, pid, time.Now().Format(timeFormat)))
+
+	logx.Infof("Got dump goroutine signal, printing goroutine profile to %s", dumpFile)
+
+	if f, err := os.Create(dumpFile); err != nil {
+		logx.Errorf("Failed to dump goroutine profile, error: %v", err)
+	} else {
+		defer f.Close()
+		pprof.Lookup(goroutineProfile).WriteTo(f, debugLevel)
+	}
+}