diff options
Diffstat (limited to 'src/runtime/testdata')
| -rw-r--r-- | src/runtime/testdata/testprog/syscall_windows.go | 45 | ||||
| -rw-r--r-- | src/runtime/testdata/testprogcgo/stack_windows.go | 54 |
2 files changed, 98 insertions, 1 deletions
diff --git a/src/runtime/testdata/testprog/syscall_windows.go b/src/runtime/testdata/testprog/syscall_windows.go index 6e6782e987..b4b66441b8 100644 --- a/src/runtime/testdata/testprog/syscall_windows.go +++ b/src/runtime/testdata/testprog/syscall_windows.go @@ -4,11 +4,18 @@ package main -import "syscall" +import ( + "internal/syscall/windows" + "runtime" + "sync" + "syscall" + "unsafe" +) func init() { register("RaiseException", RaiseException) register("ZeroDivisionException", ZeroDivisionException) + register("StackMemory", StackMemory) } func RaiseException() { @@ -25,3 +32,39 @@ func ZeroDivisionException() { z := x / y println(z) } + +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) +} diff --git a/src/runtime/testdata/testprogcgo/stack_windows.go b/src/runtime/testdata/testprogcgo/stack_windows.go new file mode 100644 index 0000000000..846297a960 --- /dev/null +++ b/src/runtime/testdata/testprogcgo/stack_windows.go @@ -0,0 +1,54 @@ +// 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) +} |
