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Current Path: /opt/golang/1.22.0/src/runtime/testdata/testprogcgo

opt / golang / 1.22.0 / src / runtime / testdata / testprogcgo /

📁 ..
📄 aprof.go(1.14 KB)
📄 aprof_c.c(217 B)
📄 bigstack1_windows.c(379 B)
📄 bigstack_windows.c(1.2 KB)
📄 bigstack_windows.go(586 B)
📄 bindm.c(692 B)
📄 bindm.go(1.2 KB)
📄 callback.go(1.86 KB)
📄 catchpanic.go(993 B)
📄 cgo.go(1.82 KB)
📄 cgonocallback.c(236 B)
📄 cgonocallback.go(629 B)
📄 cgonoescape.go(1.84 KB)
📄 crash.go(743 B)
📄 deadlock.go(509 B)
📄 destructor.c(459 B)
📄 destructor.go(442 B)
📄 dll_windows.go(459 B)
📄 dropm.go(1.05 KB)
📄 dropm_stub.go(336 B)
📄 eintr.go(5.17 KB)
📄 exec.go(2.1 KB)
📄 gprof.go(868 B)
📄 gprof_c.c(700 B)
📄 issue29707.go(1.15 KB)
📄 lockosthread.c(301 B)
📄 lockosthread.go(2.52 KB)
📄 main.go(651 B)
📄 needmdeadlock.go(1.83 KB)
📄 numgoroutine.go(1.91 KB)
📄 panic.c(239 B)
📄 panic.go(312 B)
📄 pprof.go(1.67 KB)
📄 pprof_callback.go(1.82 KB)
📄 raceprof.go(1.67 KB)
📄 racesig.go(1.67 KB)
📄 segv.go(525 B)
📄 segv_linux.go(546 B)
📄 sigfwd.go(1.58 KB)
📄 sigpanic.go(484 B)
📄 sigstack.go(2.09 KB)
📄 sigthrow.go(312 B)
📄 stack_windows.go(1.1 KB)
📄 stackswitch.c(3.88 KB)
📄 stackswitch.go(1.07 KB)
📄 threadpanic.go(428 B)
📄 threadpanic_unix.c(435 B)
📄 threadpanic_windows.c(435 B)
📄 threadpprof.go(2.54 KB)
📄 threadprof.go(2.41 KB)
📄 trace.go(1.15 KB)
📄 trace_unix.c(688 B)
📄 trace_windows.c(777 B)
📄 traceback.go(949 B)
📄 traceback_c.c(1.21 KB)
📄 tracebackctxt.go(2.85 KB)
📄 tracebackctxt_c.c(2.33 KB)
📁 windows

Editing: stack_windows.go

// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package main

import "C"
import (
	"internal/syscall/windows"
	"runtime"
	"sync"
	"syscall"
	"unsafe"
)

func init() {
	register("StackMemory", StackMemory)
}

func getPagefileUsage() (uintptr, error) {
	p, err := syscall.GetCurrentProcess()
	if err != nil {
		return 0, err
	}
	var m windows.PROCESS_MEMORY_COUNTERS
	err = windows.GetProcessMemoryInfo(p, &m, uint32(unsafe.Sizeof(m)))
	if err != nil {
		return 0, err
	}
	return m.PagefileUsage, nil
}

func StackMemory() {
	mem1, err := getPagefileUsage()
	if err != nil {
		panic(err)
	}
	const threadCount = 100
	var wg sync.WaitGroup
	for i := 0; i < threadCount; i++ {
		wg.Add(1)
		go func() {
			runtime.LockOSThread()
			wg.Done()
			select {}
		}()
	}
	wg.Wait()
	mem2, err := getPagefileUsage()
	if err != nil {
		panic(err)
	}
	// assumes that this process creates 1 thread for each
	// thread locked goroutine plus extra 10 threads
	// like sysmon and others
	print((mem2 - mem1) / (threadCount + 10))
}

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Editing: stack_windows.go

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