| // 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) |
| } |
| print((mem2 - mem1) / threadCount) |
| } |