summaryrefslogtreecommitdiffstats
path: root/base
diff options
context:
space:
mode:
Diffstat (limited to 'base')
-rw-r--r--base/trace_event/memory_dump_manager.cc4
-rw-r--r--base/trace_event/trace_event.gypi3
-rw-r--r--base/trace_event/winheap_dump_provider_win.cc105
-rw-r--r--base/trace_event/winheap_dump_provider_win.h54
-rw-r--r--base/trace_event/winheap_dump_provider_win_unittest.cc79
5 files changed, 0 insertions, 245 deletions
diff --git a/base/trace_event/memory_dump_manager.cc b/base/trace_event/memory_dump_manager.cc
index 859e8e0..63d91bb4 100644
--- a/base/trace_event/memory_dump_manager.cc
+++ b/base/trace_event/memory_dump_manager.cc
@@ -17,8 +17,6 @@
#include "base/trace_event/malloc_dump_provider.h"
#include "base/trace_event/process_memory_maps_dump_provider.h"
#include "base/trace_event/process_memory_totals_dump_provider.h"
-#elif defined(OS_WIN)
-#include "base/trace_event/winheap_dump_provider_win.h"
#endif
namespace base {
@@ -167,8 +165,6 @@ void MemoryDumpManager::Initialize() {
RegisterDumpProvider(ProcessMemoryTotalsDumpProvider::GetInstance());
RegisterDumpProvider(ProcessMemoryMapsDumpProvider::GetInstance());
RegisterDumpProvider(MallocDumpProvider::GetInstance());
-#elif defined(OS_WIN)
- RegisterDumpProvider(WinHeapDumpProvider::GetInstance());
#endif
}
diff --git a/base/trace_event/trace_event.gypi b/base/trace_event/trace_event.gypi
index af06876..5cd8ca4 100644
--- a/base/trace_event/trace_event.gypi
+++ b/base/trace_event/trace_event.gypi
@@ -42,8 +42,6 @@
'trace_event/trace_event_system_stats_monitor.h',
'trace_event/trace_event_win.cc',
'trace_event/trace_event_win.h',
- 'trace_event/winheap_dump_provider_win.cc',
- 'trace_event/winheap_dump_provider_win.h',
],
'conditions': [
['OS == "linux" or OS == "android"', {
@@ -65,7 +63,6 @@
'trace_event/trace_event_system_stats_monitor_unittest.cc',
'trace_event/trace_event_unittest.cc',
'trace_event/trace_event_win_unittest.cc',
- 'trace_event/winheap_dump_provider_win_unittest.cc',
],
},
}
diff --git a/base/trace_event/winheap_dump_provider_win.cc b/base/trace_event/winheap_dump_provider_win.cc
deleted file mode 100644
index 9ce58c2..0000000
--- a/base/trace_event/winheap_dump_provider_win.cc
+++ /dev/null
@@ -1,105 +0,0 @@
-// 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/trace_event/winheap_dump_provider_win.h"
-
-#include <windows.h>
-
-#include "base/trace_event/process_memory_dump.h"
-
-namespace base {
-namespace trace_event {
-
-namespace {
-
-const char kDumperFriendlyName[] = "winheap";
-
-// Report a heap dump to a process memory dump. The |heap_info| structure
-// contains the information about this heap, and |heap_name| will be used to
-// represent it in the report.
-bool ReportHeapDump(ProcessMemoryDump* pmd,
- const WinHeapInfo& heap_info,
- const std::string& heap_name) {
- MemoryAllocatorDump* dump =
- pmd->CreateAllocatorDump(kDumperFriendlyName, heap_name);
- if (!dump)
- return false;
- dump->set_physical_size_in_bytes(heap_info.committed_size);
- dump->set_allocated_objects_count(heap_info.block_count);
- dump->set_allocated_objects_size_in_bytes(heap_info.allocated_size);
- return true;
-}
-
-} // namespace
-
-WinHeapDumpProvider* WinHeapDumpProvider::GetInstance() {
- return Singleton<WinHeapDumpProvider,
- LeakySingletonTraits<WinHeapDumpProvider>>::get();
-}
-
-bool WinHeapDumpProvider::DumpInto(ProcessMemoryDump* pmd) {
- DCHECK_NE(reinterpret_cast<ProcessMemoryDump*>(nullptr), pmd);
-
- // Retrieves the number of heaps in the current process.
- DWORD number_of_heaps = ::GetProcessHeaps(0, NULL);
- WinHeapInfo all_heap_info = {0};
-
- // Try to retrieve a handle to all the heaps owned by this process. Returns
- // false if the number of heaps has changed.
- //
- // This is inherently racy as is, but it's not something that we observe a lot
- // in Chrome, the heaps tend to be created at startup only.
- scoped_ptr<HANDLE[]> all_heaps(new HANDLE[number_of_heaps]);
- if (::GetProcessHeaps(number_of_heaps, all_heaps.get()) != number_of_heaps)
- return false;
-
- // Skip the pointer to the heap array to avoid accounting the memory used by
- // this dump provider.
- std::set<void*> block_to_skip;
- block_to_skip.insert(all_heaps.get());
-
- // Retrieves some metrics about each heap.
- for (size_t i = 0; i < number_of_heaps; ++i) {
- WinHeapInfo heap_info = {0};
- heap_info.heap_id = all_heaps[i];
- GetHeapInformation(&heap_info, block_to_skip);
-
- all_heap_info.allocated_size += heap_info.allocated_size;
- all_heap_info.committed_size += heap_info.committed_size;
- all_heap_info.block_count += heap_info.block_count;
- }
- // Report the heap dump.
- if (!ReportHeapDump(pmd, all_heap_info, MemoryAllocatorDump::kRootHeap))
- return false;
-
- return true;
-}
-
-const char* WinHeapDumpProvider::GetFriendlyName() const {
- return kDumperFriendlyName;
-}
-
-bool WinHeapDumpProvider::GetHeapInformation(
- WinHeapInfo* heap_info,
- const std::set<void*>& block_to_skip) {
- CHECK(::HeapLock(heap_info->heap_id) == TRUE);
- PROCESS_HEAP_ENTRY heap_entry;
- heap_entry.lpData = nullptr;
- // Walk over all the entries in this heap.
- while (::HeapWalk(heap_info->heap_id, &heap_entry) != FALSE) {
- if (block_to_skip.count(heap_entry.lpData) == 1)
- continue;
- if ((heap_entry.wFlags & PROCESS_HEAP_ENTRY_BUSY) != 0) {
- heap_info->allocated_size += heap_entry.cbData;
- heap_info->block_count++;
- } else if ((heap_entry.wFlags & PROCESS_HEAP_REGION) != 0) {
- heap_info->committed_size += heap_entry.Region.dwCommittedSize;
- }
- }
- CHECK(::HeapUnlock(heap_info->heap_id) == TRUE);
- return true;
-}
-
-} // namespace trace_event
-} // namespace base
diff --git a/base/trace_event/winheap_dump_provider_win.h b/base/trace_event/winheap_dump_provider_win.h
deleted file mode 100644
index 621ade7..0000000
--- a/base/trace_event/winheap_dump_provider_win.h
+++ /dev/null
@@ -1,54 +0,0 @@
-// 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.
-
-#ifndef BASE_TRACE_EVENT_WINHEAP_DUMP_PROVIDER_WIN_H_
-#define BASE_TRACE_EVENT_WINHEAP_DUMP_PROVIDER_WIN_H_
-
-#include <set>
-
-#include "base/memory/singleton.h"
-#include "base/trace_event/memory_dump_provider.h"
-
-namespace base {
-namespace trace_event {
-
-// A structure containing some information about a given heap.
-struct WinHeapInfo {
- HANDLE heap_id;
- size_t committed_size;
- size_t allocated_size;
- size_t block_count;
-};
-
-// Dump provider which collects process-wide heap memory stats. This provider
-// iterates over all the heaps of the current process to gather some metrics
-// about them.
-class BASE_EXPORT WinHeapDumpProvider : public MemoryDumpProvider {
- public:
- static WinHeapDumpProvider* GetInstance();
-
- // MemoryDumpProvider implementation.
- bool DumpInto(ProcessMemoryDump* pmd) override;
- const char* GetFriendlyName() const override;
-
- private:
- friend class WinHeapDumpProviderTest;
- friend struct DefaultSingletonTraits<WinHeapDumpProvider>;
-
- // Retrieves the information about given heap. The |heap_info| should contain
- // a valid handle to an existing heap. The blocks contained in the
- // |block_to_skip| set will be ignored.
- bool GetHeapInformation(WinHeapInfo* heap_info,
- const std::set<void*>& block_to_skip);
-
- WinHeapDumpProvider() {}
- ~WinHeapDumpProvider() override {}
-
- DISALLOW_COPY_AND_ASSIGN(WinHeapDumpProvider);
-};
-
-} // namespace trace_event
-} // namespace base
-
-#endif // BASE_TRACE_EVENT_WINHEAP_DUMP_PROVIDER_WIN_H_
diff --git a/base/trace_event/winheap_dump_provider_win_unittest.cc b/base/trace_event/winheap_dump_provider_win_unittest.cc
deleted file mode 100644
index 44d9c1b..0000000
--- a/base/trace_event/winheap_dump_provider_win_unittest.cc
+++ /dev/null
@@ -1,79 +0,0 @@
-// 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/trace_event/winheap_dump_provider_win.h"
-
-#include <windows.h>
-
-#include "base/trace_event/memory_dump_session_state.h"
-#include "base/trace_event/process_memory_dump.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace base {
-namespace trace_event {
-
-class WinHeapDumpProviderTest : public testing::Test {
- public:
- bool GetHeapInformation(WinHeapDumpProvider* provider,
- WinHeapInfo* heap_info,
- const std::set<void*>& block_to_skip) {
- return provider->GetHeapInformation(heap_info, block_to_skip);
- }
-};
-
-TEST_F(WinHeapDumpProviderTest, DumpInto) {
- ProcessMemoryDump pmd(make_scoped_refptr(new MemoryDumpSessionState()));
-
- WinHeapDumpProvider* winheap_dump_provider =
- WinHeapDumpProvider::GetInstance();
- ASSERT_NE(reinterpret_cast<WinHeapDumpProvider*>(nullptr),
- winheap_dump_provider);
-
- ASSERT_TRUE(winheap_dump_provider->DumpInto(&pmd));
-}
-
-TEST_F(WinHeapDumpProviderTest, GetHeapInformation) {
- ProcessMemoryDump pmd(make_scoped_refptr(new MemoryDumpSessionState()));
-
- WinHeapDumpProvider* winheap_dump_provider =
- WinHeapDumpProvider::GetInstance();
- ASSERT_NE(reinterpret_cast<WinHeapDumpProvider*>(nullptr),
- winheap_dump_provider);
-
- HANDLE heap = ::HeapCreate(NULL, 0, 0);
- ASSERT_NE(nullptr, heap);
-
- const size_t kAllocSize = 42;
- void* alloc = ::HeapAlloc(heap, 0, kAllocSize);
- ASSERT_NE(nullptr, alloc);
-
- WinHeapInfo heap_info = {0};
- heap_info.heap_id = heap;
- std::set<void*> block_to_skip;
-
- // Put the allocation into the skip list and make sure that the provider
- // ignores it.
- block_to_skip.insert(alloc);
- ASSERT_TRUE(
- GetHeapInformation(winheap_dump_provider, &heap_info, block_to_skip));
- EXPECT_EQ(0U, heap_info.block_count);
- EXPECT_EQ(0U, heap_info.allocated_size);
- // We can't check the committed size here, as it can depend on the version of
- // kernel32.dll.
-
- // Remove the allocation from the skip list and check if it's analysed
- // properlyly.
- block_to_skip.erase(alloc);
- ASSERT_TRUE(
- GetHeapInformation(winheap_dump_provider, &heap_info, block_to_skip));
- EXPECT_EQ(1, heap_info.block_count);
- EXPECT_EQ(kAllocSize, heap_info.allocated_size);
- EXPECT_LT(kAllocSize, heap_info.committed_size);
-
- EXPECT_TRUE(::HeapFree(heap, 0, alloc));
- EXPECT_EQ(TRUE, ::HeapDestroy(heap));
-}
-
-} // namespace trace_event
-} // namespace base