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Diffstat (limited to 'debugGolang.go')
-rw-r--r--debugGolang.go171
1 files changed, 0 insertions, 171 deletions
diff --git a/debugGolang.go b/debugGolang.go
deleted file mode 100644
index 5b0d22c..0000000
--- a/debugGolang.go
+++ /dev/null
@@ -1,171 +0,0 @@
-package gui
-
-import (
- "fmt"
- "bytes"
- // "os"
- "runtime"
- "runtime/debug"
- "runtime/pprof"
-)
-
-func (n *Node) DebugGolangWindow() {
- var w, g, og, outputTextbox *Node
-
- w = n.NewWindow("GO")
- w.Custom = w.StandardClose
-
- g = w.NewGroup("Language Internals")
-
- g.NewButton("ReadModuleInfo()", func () {
- tmp, _ := debug.ReadBuildInfo()
- outputTextbox.SetText(tmp.String())
- })
- g.NewButton("runtime.NumGoroutine()", func () {
- buf := new(bytes.Buffer)
- pprof.Lookup("goroutine").WriteTo(buf, 1)
- outputTextbox.SetText(buf.String())
-
- outputTextbox.AppendText(fmt.Sprintln("runtime.NumGoroutine() = ", runtime.NumGoroutine()))
- })
- g.NewButton("pprof.Lookup(heap)", func () {
- buf := new(bytes.Buffer)
- pprof.Lookup("heap").WriteTo(buf, 1)
- outputTextbox.SetText(buf.String())
- })
- g.NewButton("debug.PrintStack(current)", func () {
- outputTextbox.SetText(string(debug.Stack()))
- })
- g.NewButton("pprof.Lookup(goroutine)", func () {
- buf := new(bytes.Buffer)
- pprof.Lookup("goroutine").WriteTo(buf, 1)
- outputTextbox.SetText(buf.String())
- })
- g.NewButton("pprof.Lookup(block)", func () {
- buf := new(bytes.Buffer)
- pprof.Lookup("block").WriteTo(buf, 1)
- outputTextbox.SetText(buf.String())
- })
- g.NewButton("pprof.Lookup threadcreate", func () {
- buf := new(bytes.Buffer)
- pprof.Lookup("threadcreate").WriteTo(buf, 1)
- outputTextbox.SetText(buf.String())
- })
-
- g.NewButton("runtime.ReadMemStats()", func () {
- outputTextbox.SetText(runtimeReadMemStats())
- })
-
- g.NewButton("debug.FreeOSMemory()", func () {
- var out string = "Before debug.FreeOSMemory():\n\n"
- out += runtimeReadMemStats()
- debug.FreeOSMemory()
- out += "\n\nAfter debug.FreeOSMemory():\n\n"
- out += runtimeReadMemStats()
- outputTextbox.SetText(out)
- })
-
- g.NewButton("debug.ReadGCStats()", func () {
- var tmp debug.GCStats
- var out string
- debug.ReadGCStats(&tmp)
- log(true, tmp)
- out += fmt.Sprintln("LastGC:", tmp.LastGC, "// time.Time time of last collection")
- out += fmt.Sprintln("NumGC:", tmp.NumGC, "// number of garbage collections")
- out += fmt.Sprintln("PauseTotal:", tmp.PauseTotal, "// total pause for all collections")
- out += fmt.Sprintln("Pause:", tmp.Pause, "// []time.Duration pause history, most recent first")
- out += fmt.Sprintln("PauseEnd:", tmp.Pause, "// []time.Time pause history, most recent first")
- out += fmt.Sprintln("PauseQuantiles:", tmp.PauseQuantiles, "// []time.Duration")
- outputTextbox.SetText(out)
- })
-
- g.NewButton("debug.SetTraceback('all')", func () {
- debug.SetTraceback("all")
- })
-
- g.NewButton("panic()", func () {
- panic("test")
- })
-
- g = w.NewGroup("TODO: finish these")
-
- // g.NewLabel("TODO:")
-
- g.NewButton("runtime.Stack(true)", func () {
- // TODO: https://stackoverflow.com/questions/61127053/how-to-list-all-the-running-goroutines-in-a-go-program
- // func Stack(buf []byte, all bool) int
- })
-
- g.NewButton("debug.SetMemoryLimit(int)", func () {
- // TODO:
- //debug.SetMemoryLimit(1024 * 1024 * 100)
- })
-
- g.NewButton("debug.SetMaxStack(int bytes)", func () {
- // default is apparently 1GB
- })
-
- g.NewButton("debug.SetMaxThreads(int)", func () {
- // default is apparently 10,000
- })
-
- g.NewButton("debug.SetTraceback('all')", func () {
- debug.SetTraceback("all")
- })
-
- // deprecated (probably) by String() implementation within golang
- g.NewButton("dumpModuleInfo() (deprecate)", func () {
- outputTextbox.SetText(dumpModuleInfo())
- })
-
- og = w.NewGroup("output")
- outputTextbox = og.NewTextbox("outputBox")
- outputTextbox.Custom = func () {
- log(true, "custom TextBox() for golang output a =", outputTextbox.S, outputTextbox.id)
- }
-}
-
-func runtimeReadMemStats() string {
- var s runtime.MemStats
- var out string
- runtime.ReadMemStats(&s)
- out += fmt.Sprintln("alloc:", s.Alloc, "bytes")
- out += fmt.Sprintln("total-alloc:", s.TotalAlloc, "bytes")
- out += fmt.Sprintln("sys:", s.Sys, "bytes")
- out += fmt.Sprintln("lookups:", s.Lookups)
- out += fmt.Sprintln("mallocs:", s.Mallocs)
- out += fmt.Sprintln("frees:", s.Frees)
- out += fmt.Sprintln("heap-alloc:", s.HeapAlloc, "bytes")
- out += fmt.Sprintln("heap-sys:", s.HeapSys, "bytes")
- out += fmt.Sprintln("heap-idle:", s.HeapIdle,"bytes")
- out += fmt.Sprintln("heap-in-use:", s.HeapInuse, "bytes")
- out += fmt.Sprintln("heap-released:", s.HeapReleased, "bytes")
- out += fmt.Sprintln("heap-objects:", s.HeapObjects)
- out += fmt.Sprintln("stack-in-use:", s.StackInuse, "bytes")
- out += fmt.Sprintln("stack-sys", s.StackSys, "bytes")
- out += fmt.Sprintln("next-gc: when heap-alloc >=", s.NextGC, "bytes")
- out += fmt.Sprintln("last-gc:", s.LastGC, "ns")
- out += fmt.Sprintln("gc-pause:", s.PauseTotalNs, "ns")
- out += fmt.Sprintln("num-gc:", s.NumGC)
- out += fmt.Sprintln("enable-gc:", s.EnableGC)
- out += fmt.Sprintln("debug-gc:", s.DebugGC)
- return out
-}
-
-func dumpModuleInfo() string {
- var out string
- tmp, _ := debug.ReadBuildInfo()
- if tmp == nil {
- out += fmt.Sprintln("This wasn't compiled with go module support")
- return ""
- }
- out += fmt.Sprintln("mod.Path = ", tmp.Path)
- out += fmt.Sprintln("mod.Main.Path = ", tmp.Main.Path)
- out += fmt.Sprintln("mod.Main.Version = ", tmp.Main.Version)
- out += fmt.Sprintln("mod.Main.Sum = ", tmp.Main.Sum)
- for _, value := range tmp.Deps {
- out += fmt.Sprintln("\tmod.Path = ", value.Path)
- out += fmt.Sprintln("\tmod.Version = ", value.Version)
- }
- return out
-}