From 1ca14e9c2a011e51d54eee8226c8ca85eb01cc14 Mon Sep 17 00:00:00 2001
From: Jeff Carr <jcarr@wit.com>
Date: Sun, 16 Oct 2022 23:42:21 -0500
Subject: add a GO Language Debugging Window

Signed-off-by: Jeff Carr <jcarr@wit.com>
---
 window-golang-debug.go | 114 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 window-golang-debug.go

(limited to 'window-golang-debug.go')

diff --git a/window-golang-debug.go b/window-golang-debug.go
new file mode 100644
index 0000000..96c6342
--- /dev/null
+++ b/window-golang-debug.go
@@ -0,0 +1,114 @@
+package gui
+
+import "log"
+
+import (
+	"os"
+	"runtime"
+	"runtime/debug"
+	"runtime/pprof"
+)
+
+func StandardClose(n *Node) {
+	// origlog.Println("Should Exit Here")
+	// closed = true
+	log.Println("")
+	log.Println("STANDARD WINDOW CLOSE")
+	log.Println("")
+}
+
+func GolangDebugWindow() {
+	var w, t *Node
+
+	Config.Title = "Go Language Debug Window"
+	Config.Width = 400
+	Config.Height = 400
+	Config.Exit = StandardClose
+	w = NewWindow()
+
+	t = w.AddTab("Debug Tab", nil)
+	log.Println("debugWindow() START")
+
+
+	///////////////////////////////  Column DEBUG GOLANG   //////////////////////
+	g := t.AddGroup("GO Language")
+
+	g.AddButton("runtime.Stack()", func (*Node) {
+		log.Println("\tSTART")
+		buf := make([]byte, 1<<16)
+		runtime.Stack(buf, true)
+		log.Printf("%s", buf)
+		log.Println("\tEND")
+	})
+	g.AddButton("dumpModuleInfo()", func (*Node) {
+		log.Println("\tSTART")
+		dumpModuleInfo()
+		log.Println("\tEND")
+	})
+	g.AddButton("debug.PrintStack()", func (*Node) {
+		log.Println("\tSTART")
+		debug.PrintStack()
+		log.Println("\tEND")
+	})
+	g.AddButton("pprof.Lookup(goroutine)", func (*Node) {
+		log.Println("\tSTART")
+		pprof.Lookup("goroutine").WriteTo(os.Stdout, 1)
+		log.Println("\tEND")
+	})
+	g.AddButton("pprof.Lookup(heap)", func (*Node) {
+		log.Println("\tSTART")
+		pprof.Lookup("heap").WriteTo(os.Stdout, 1)
+		log.Println("\tEND")
+	})
+	g.AddButton("pprof.Lookup(block)", func (*Node) {
+		log.Println("\tSTART")
+		pprof.Lookup("block").WriteTo(os.Stdout, 1)
+		log.Println("\tEND")
+	})
+	g.AddButton("pprof.Lookup threadcreate", func (*Node) {
+		log.Println("\tSTART")
+		pprof.Lookup("threadcreate").WriteTo(os.Stdout, 1)
+		log.Println("\tEND")
+	})
+	g.AddButton("runtime.ReadMemStats", func (*Node) {
+		var s runtime.MemStats
+		runtime.ReadMemStats(&s)
+		log.Printf("alloc: %v bytes\n", s.Alloc)
+		log.Printf("total-alloc: %v bytes\n", s.TotalAlloc)
+		log.Printf("sys: %v bytes\n", s.Sys)
+		log.Printf("lookups: %v\n", s.Lookups)
+		log.Printf("mallocs: %v\n", s.Mallocs)
+		log.Printf("frees: %v\n", s.Frees)
+		log.Printf("heap-alloc: %v bytes\n", s.HeapAlloc)
+		log.Printf("heap-sys: %v bytes\n", s.HeapSys)
+		log.Printf("heap-idle: %v bytes\n", s.HeapIdle)
+		log.Printf("heap-in-use: %v bytes\n", s.HeapInuse)
+		log.Printf("heap-released: %v bytes\n", s.HeapReleased)
+		log.Printf("heap-objects: %v\n", s.HeapObjects)
+		log.Printf("stack-in-use: %v bytes\n", s.StackInuse)
+		log.Printf("stack-sys: %v bytes\n", s.StackSys)
+		log.Printf("next-gc: when heap-alloc >= %v bytes\n", s.NextGC)
+		log.Printf("last-gc: %v ns\n", s.LastGC)
+		log.Printf("gc-pause: %v ns\n", s.PauseTotalNs)
+		log.Printf("num-gc: %v\n", s.NumGC)
+		log.Printf("enable-gc: %v\n", s.EnableGC)
+		log.Printf("debug-gc: %v\n", s.DebugGC)
+	})
+}
+
+func dumpModuleInfo() {
+	tmp, _ := debug.ReadBuildInfo()
+	if tmp == nil {
+		log.Println("This wasn't compiled with go module support")
+		return
+	}
+	log.Println("mod.Path         = ", tmp.Path)
+	log.Println("mod.Main.Path    = ", tmp.Main.Path)
+	log.Println("mod.Main.Version = ", tmp.Main.Version)
+	log.Println("mod.Main.Sum     = ", tmp.Main.Sum)
+	for _, value := range tmp.Deps {
+		log.Println("\tmod.Path    = ", value.Path)
+		log.Println("\tmod.Version = ", value.Version)
+	}
+}
+
-- 
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