refactor: move profiling code to pprof_*.go

cmd/pprof_prof.go

@@ -0,0 +1,20 @@
+//go:build pprof
+
+package main
+
+import (
+	"log"
+	"net/http"
+	_ "net/http/pprof"
+	"runtime"
+	"runtime/debug"
+)
+
+func initProfiling() {
+	runtime.GOMAXPROCS(2)
+	debug.SetMemoryLimit(100 * 1024 * 1024)
+	debug.SetMaxStack(15 * 1024 * 1024)
+	go func() {
+		log.Println(http.ListenAndServe(":7777", nil))
+	}()
+}