blob: a2f0e3e3c0d1a78f1d9e73929b13be891d2fdb9d [file] [log] [blame]
// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/profiler/stack_sampler.h"
#include "base/profiler/native_unwinder_win.h"
#include "base/profiler/stack_copier_suspend.h"
#include "base/profiler/stack_sampler_impl.h"
#include "base/profiler/suspendable_thread_delegate_win.h"
#include "build/build_config.h"
namespace base {
// static
std::unique_ptr<StackSampler> StackSampler::Create(
SamplingProfilerThreadToken thread_token,
ModuleCache* module_cache,
StackSamplerTestDelegate* test_delegate) {
#if defined(ARCH_CPU_X86_64) || defined(ARCH_CPU_ARM64)
return std::make_unique<StackSamplerImpl>(
std::make_unique<NativeUnwinderWin>(), module_cache, test_delegate);
return nullptr;
// static
size_t StackSampler::GetStackBufferSize() {
// The default Win32 reserved stack size is 1 MB and Chrome Windows threads
// currently always use the default, but this allows for expansion if it
// occurs. The size beyond the actual stack size consists of unallocated
// virtual memory pages so carries little cost (just a bit of wasted address
// space).
return 2 << 20; // 2 MiB
} // namespace base