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61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/allocator/allocator_extension.h"
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#include "base/logging.h"
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#if defined(USE_TCMALLOC)
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#include "third_party/tcmalloc/chromium/src/gperftools/heap-profiler.h"
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#include "third_party/tcmalloc/chromium/src/gperftools/malloc_extension.h"
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#include "third_party/tcmalloc/chromium/src/gperftools/malloc_hook.h"
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#endif
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namespace base {
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namespace allocator {
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void ReleaseFreeMemory() {
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#if defined(USE_TCMALLOC)
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::MallocExtension::instance()->ReleaseFreeMemory();
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#endif
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}
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bool GetNumericProperty(const char* name, size_t* value) {
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#if defined(USE_TCMALLOC)
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return ::MallocExtension::instance()->GetNumericProperty(name, value);
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#endif
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return false;
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}
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bool IsHeapProfilerRunning() {
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#if defined(USE_TCMALLOC)
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return ::IsHeapProfilerRunning();
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#endif
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return false;
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}
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void SetHooks(AllocHookFunc alloc_hook, FreeHookFunc free_hook) {
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// TODO(sque): Use allocator shim layer instead.
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#if defined(USE_TCMALLOC)
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// Make sure no hooks get overwritten.
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auto prev_alloc_hook = MallocHook::SetNewHook(alloc_hook);
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if (alloc_hook)
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DCHECK(!prev_alloc_hook);
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auto prev_free_hook = MallocHook::SetDeleteHook(free_hook);
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if (free_hook)
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DCHECK(!prev_free_hook);
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#endif
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}
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int GetCallStack(void** stack, int max_stack_size) {
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#if defined(USE_TCMALLOC)
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return MallocHook::GetCallerStackTrace(stack, max_stack_size, 0);
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#endif
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return 0;
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}
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} // namespace allocator
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} // namespace base
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