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// 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 "third_party/blink/renderer/platform/heap/blink_gc_memory_dump_provider.h"
#include "base/trace_event/process_memory_dump.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/renderer/platform/heap/blink_gc.h"
#include "third_party/blink/renderer/platform/heap/heap_test_utilities.h"
#include "third_party/blink/renderer/platform/wtf/threading.h"
namespace blink {
namespace {
class BlinkGCMemoryDumpProviderTest : public TestSupportingGC {};
void CheckBasicHeapDumpStructure(base::trace_event::MemoryAllocatorDump* dump) {
ASSERT_NE(nullptr, dump);
bool found_allocated_object_size = false;
bool found_size = false;
for (const auto& entry : dump->entries()) {
if (entry.name == "allocated_objects_size")
found_allocated_object_size = true;
if (entry.name == "size")
found_size = true;
}
EXPECT_TRUE(found_allocated_object_size);
EXPECT_TRUE(found_size);
}
} // namespace
TEST_F(BlinkGCMemoryDumpProviderTest, MainThreadLightDump) {
base::trace_event::MemoryDumpArgs args = {
base::trace_event::MemoryDumpLevelOfDetail::LIGHT};
std::unique_ptr<base::trace_event::ProcessMemoryDump> dump(
new base::trace_event::ProcessMemoryDump(args));
std::unique_ptr<BlinkGCMemoryDumpProvider> dump_provider(
new BlinkGCMemoryDumpProvider(
ThreadState::Current(), base::ThreadTaskRunnerHandle::Get(),
BlinkGCMemoryDumpProvider::HeapType::kBlinkMainThread));
dump_provider->OnMemoryDump(args, dump.get());
auto* main_heap = dump->GetAllocatorDump("blink_gc/main/heap");
CheckBasicHeapDumpStructure(main_heap);
}
TEST_F(BlinkGCMemoryDumpProviderTest, MainThreadDetailedDump) {
base::trace_event::MemoryDumpArgs args = {
base::trace_event::MemoryDumpLevelOfDetail::DETAILED};
std::unique_ptr<base::trace_event::ProcessMemoryDump> dump(
new base::trace_event::ProcessMemoryDump(args));
std::unique_ptr<BlinkGCMemoryDumpProvider> dump_provider(
new BlinkGCMemoryDumpProvider(
ThreadState::Current(), base::ThreadTaskRunnerHandle::Get(),
BlinkGCMemoryDumpProvider::HeapType::kBlinkMainThread));
dump_provider->OnMemoryDump(args, dump.get());
// All arenas should be present in the dump.
#define CheckArena(name) \
CheckBasicHeapDumpStructure( \
dump->GetAllocatorDump("blink_gc/main/heap/" #name "Arena"));
FOR_EACH_ARENA(CheckArena)
#undef CheckArena
}
TEST_F(BlinkGCMemoryDumpProviderTest, WorkerLightDump) {
base::trace_event::MemoryDumpArgs args = {
base::trace_event::MemoryDumpLevelOfDetail::LIGHT};
std::unique_ptr<base::trace_event::ProcessMemoryDump> dump(
new base::trace_event::ProcessMemoryDump(args));
std::unique_ptr<BlinkGCMemoryDumpProvider> dump_provider(
new BlinkGCMemoryDumpProvider(
ThreadState::Current(), base::ThreadTaskRunnerHandle::Get(),
BlinkGCMemoryDumpProvider::HeapType::kBlinkWorkerThread));
dump_provider->OnMemoryDump(args, dump.get());
// There should be no main thread heap dump available.
ASSERT_EQ(nullptr, dump->GetAllocatorDump("blink_gc/main/heap"));
size_t workers_found = 0;
for (const auto& kvp : dump->allocator_dumps()) {
if (kvp.first.find("blink_gc/workers/heap") != std::string::npos) {
workers_found++;
CheckBasicHeapDumpStructure(dump->GetAllocatorDump(kvp.first));
}
}
EXPECT_EQ(1u, workers_found);
}
TEST_F(BlinkGCMemoryDumpProviderTest, WorkerDetailedDump) {
base::trace_event::MemoryDumpArgs args = {
base::trace_event::MemoryDumpLevelOfDetail::DETAILED};
std::unique_ptr<base::trace_event::ProcessMemoryDump> dump(
new base::trace_event::ProcessMemoryDump(args));
std::unique_ptr<BlinkGCMemoryDumpProvider> dump_provider(
new BlinkGCMemoryDumpProvider(
ThreadState::Current(), base::ThreadTaskRunnerHandle::Get(),
BlinkGCMemoryDumpProvider::HeapType::kBlinkWorkerThread));
dump_provider->OnMemoryDump(args, dump.get());
// There should be no main thread heap dump available.
ASSERT_EQ(nullptr, dump->GetAllocatorDump("blink_gc/main/heap"));
// Find worker suffix.
std::string worker_suffix;
for (const auto& kvp : dump->allocator_dumps()) {
if (kvp.first.find("blink_gc/workers/heap/worker_0x") !=
std::string::npos) {
auto start_pos = kvp.first.find("_0x");
auto end_pos = kvp.first.find("/", start_pos);
worker_suffix = kvp.first.substr(start_pos + 1, end_pos - start_pos - 1);
}
}
std::string worker_base_path =
"blink_gc/workers/heap/worker_" + worker_suffix;
CheckBasicHeapDumpStructure(dump->GetAllocatorDump(worker_base_path));
#define CheckArena(name) \
CheckBasicHeapDumpStructure( \
dump->GetAllocatorDump(worker_base_path + "/" #name "Arena"));
FOR_EACH_ARENA(CheckArena)
#undef CheckArena
}
} // namespace blink
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