Add : mutex pprof profile (#731)

* add : mutex pprof profile

* rm : remove trace from default pprof profiles

internal/cli/debug_pprof.go

@@ -129,8 +129,9 @@ func (d *DebugPprofCommand) Run(args []string) int {
 
 	// Only take cpu and heap profiles by default
 	profiles := map[string]string{
-		"heap": "heap",
-		"cpu":  "cpu",
+		"heap":  "heap",
+		"cpu":   "cpu",
+		"mutex": "mutex",
 	}
 
 	if !d.skiptrace {

internal/cli/server/server.go

@@ -8,6 +8,7 @@ import (
 	"net"
 	"net/http"
 	"os"
+	"runtime"
 	"strings"
 	"time"
 
@@ -96,6 +97,8 @@ func VerbosityStringToInt(loglevel string) int {
 
 //nolint:gocognit
 func NewServer(config *Config, opts ...serverOption) (*Server, error) {
+	runtime.SetMutexProfileFraction(5)
+
 	srv := &Server{
 		config: config,
 	}