From 9545482a4495cc19d7e15e295ab987763aa82194 Mon Sep 17 00:00:00 2001
From: yusing <yusing@6uo.me>
Date: Sat, 27 Sep 2025 11:24:10 +0800
Subject: [PATCH] refactor(pprof): remove memory profiling settings and enhance
 GC logging

---
 cmd/pprof_prof.go | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/cmd/pprof_prof.go b/cmd/pprof_prof.go
index ae03cfea..3e581f8b 100644
--- a/cmd/pprof_prof.go
+++ b/cmd/pprof_prof.go
@@ -13,13 +13,7 @@ import (
 	"github.com/yusing/godoxy/internal/utils/strutils"
 )
 
-const mb = 1024 * 1024
-
 func initProfiling() {
-	debug.SetGCPercent(-1)
-	debug.SetMemoryLimit(50 * mb)
-	debug.SetMaxStack(4 * mb)
-
 	go func() {
 		log.Info().Msgf("pprof server started at http://localhost:7777/debug/pprof/")
 		log.Error().Err(http.ListenAndServe(":7777", nil)).Msg("pprof server failed")
@@ -27,9 +21,14 @@ func initProfiling() {
 	go func() {
 		ticker := time.NewTicker(time.Second * 10)
 		defer ticker.Stop()
+
+		var m runtime.MemStats
+		var gcStats debug.GCStats
+
 		for range ticker.C {
-			var m runtime.MemStats
 			runtime.ReadMemStats(&m)
+			debug.ReadGCStats(&gcStats)
+
 			log.Info().Msgf("-----------------------------------------------------")
 			log.Info().Msgf("Timestamp: %s", time.Now().Format(time.RFC3339))
 			log.Info().Msgf("  Go Heap - In Use (Alloc/HeapAlloc): %s", strutils.FormatByteSize(m.Alloc))
@@ -37,8 +36,12 @@ func initProfiling() {
 			log.Info().Msgf("  Go Stacks - In Use (StackInuse): %s", strutils.FormatByteSize(m.StackInuse))
 			log.Info().Msgf("  Go Runtime - Other Sys (MSpanInuse, MCacheInuse, BuckHashSys, GCSys, OtherSys): %s", strutils.FormatByteSize(m.MSpanInuse+m.MCacheInuse+m.BuckHashSys+m.GCSys+m.OtherSys))
 			log.Info().Msgf("  Go Runtime - Total from OS (Sys): %s", strutils.FormatByteSize(m.Sys))
+			log.Info().Msgf("  Go Runtime - Freed from OS (HeapReleased): %s", strutils.FormatByteSize(m.HeapReleased))
 			log.Info().Msgf("  Number of Goroutines: %d", runtime.NumGoroutine())
-			log.Info().Msgf("  Number of GCs: %d", m.NumGC)
+			log.Info().Msgf("  Number of completed GC cycles: %d", m.NumGC)
+			log.Info().Msgf("  Number of GCs: %d", gcStats.NumGC)
+			log.Info().Msgf("  Total GC time: %s", gcStats.PauseTotal)
+			log.Info().Msgf("  Last GC time: %s", gcStats.LastGC.Format(time.DateTime))
 			log.Info().Msg("-----------------------------------------------------")
 		}
 	}()