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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/viz/service/gl/gpu_service_impl.h"
#include <memory>
#include <tuple>
#include <utility>
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/functional/callback_helpers.h"
#include "base/memory/weak_ptr.h"
#include "base/run_loop.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/time/time.h"
#include "components/viz/common/resources/peak_gpu_memory_tracker_util.h"
#include "components/viz/service/gl/mock_gpu_service_impl.h"
#include "components/viz/service/input/peak_gpu_memory_tracker_impl.h"
#include "gpu/config/gpu_info.h"
#include "gpu/ipc/service/gpu_watchdog_thread.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "services/viz/public/mojom/gpu.mojom.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gl/gl_utils.h"
#include "ui/gl/init/gl_factory.h"
namespace viz {
namespace {
const uint64_t kPeakMemoryMB = 42u;
const uint64_t kPeakMemory = kPeakMemoryMB * 1048576u;
} // namespace
class GpuServiceTest : public testing::Test {
public:
GpuServiceTest()
: io_thread_("TestIOThread"),
wait_(base::WaitableEvent::ResetPolicy::MANUAL,
base::WaitableEvent::InitialState::NOT_SIGNALED) {}
GpuServiceTest(const GpuServiceTest&) = delete;
GpuServiceTest& operator=(const GpuServiceTest&) = delete;
~GpuServiceTest() override = default;
MockGpuServiceImpl* mock_gpu_service() {
return static_cast<MockGpuServiceImpl*>(gpu_service_.get());
}
GpuServiceImpl* gpu_service() { return gpu_service_.get(); }
void DestroyService() { gpu_service_ = nullptr; }
void BlockIOThread() {
wait_.Reset();
io_runner()->PostTask(FROM_HERE, base::BindOnce(&base::WaitableEvent::Wait,
base::Unretained(&wait_)));
}
void UnblockIOThread() {
DCHECK(!wait_.IsSignaled());
wait_.Signal();
}
scoped_refptr<base::SingleThreadTaskRunner> io_runner() {
return io_thread_.task_runner();
}
// testing::Test
void SetUp() override {
ASSERT_TRUE(io_thread_.Start());
gpu::GPUInfo gpu_info;
gpu_info.in_process_gpu = false;
GpuServiceImpl::InitParams init_params;
init_params.io_runner = io_thread_.task_runner();
gpu_service_ = std::make_unique<testing::NiceMock<MockGpuServiceImpl>>(
gpu::GpuPreferences(), gpu_info, gpu::GpuFeatureInfo(), gpu::GPUInfo(),
gpu::GpuFeatureInfo(), gfx::GpuExtraInfo(), std::move(init_params));
}
void TearDown() override {
DestroyService();
base::RunLoop runloop;
runloop.RunUntilIdle();
io_thread_.Stop();
}
std::optional<bool> visible_;
private:
base::Thread io_thread_;
std::unique_ptr<GpuServiceImpl> gpu_service_;
base::WaitableEvent wait_;
};
// Tests that GpuServiceImpl can be destroyed before Bind() succeeds on the IO
// thread.
TEST_F(GpuServiceTest, ServiceDestroyedBeforeBind) {
// Block the IO thread to make sure that the GpuServiceImpl is destroyed
// before the binding happens on the IO thread.
mojo::Remote<mojom::GpuService> gpu_service_remote;
BlockIOThread();
gpu_service()->Bind(gpu_service_remote.BindNewPipeAndPassReceiver());
UnblockIOThread();
DestroyService();
}
// Tests that GpuServiceImpl can be destroyed after Bind() succeeds on the IO
// thread.
TEST_F(GpuServiceTest, ServiceDestroyedAfterBind) {
mojo::Remote<mojom::GpuService> gpu_service_remote;
gpu_service()->Bind(gpu_service_remote.BindNewPipeAndPassReceiver());
base::WaitableEvent wait(base::WaitableEvent::ResetPolicy::MANUAL,
base::WaitableEvent::InitialState::NOT_SIGNALED);
io_runner()->PostTask(FROM_HERE, base::BindOnce(&base::WaitableEvent::Signal,
base::Unretained(&wait)));
wait.Wait();
DestroyService();
}
// Tests that the visibility callback gets called when visibility changes.
TEST_F(GpuServiceTest, VisibilityCallbackCalled) {
mojo::Remote<mojom::GpuService> gpu_service_remote;
gpu_service()->Bind(gpu_service_remote.BindNewPipeAndPassReceiver());
mojo::PendingRemote<mojom::GpuHost> gpu_host_proxy;
std::ignore = gpu_host_proxy.InitWithNewPipeAndPassReceiver();
gpu_service()->InitializeWithHost(
std::move(gpu_host_proxy), gpu::GpuProcessShmCount(),
gl::init::CreateOffscreenGLSurface(gl::GetDefaultDisplay(), gfx::Size()),
mojom::GpuServiceCreationParams::New());
gpu_service_remote.FlushForTesting();
gpu_service()->SetVisibilityChangedCallback(base::BindRepeating(
[](GpuServiceTest* test, bool visible) { test->visible_ = visible; },
base::Unretained(this)));
EXPECT_FALSE(visible_.has_value());
gpu_service_remote->OnForegrounded();
gpu_service_remote.FlushForTesting();
EXPECT_TRUE(visible_.has_value());
EXPECT_TRUE(*visible_);
gpu_service_remote->OnBackgrounded();
gpu_service_remote.FlushForTesting();
EXPECT_TRUE(visible_.has_value());
EXPECT_FALSE(*visible_);
}
// Tests that when a PeakGpuMemoryTracker is destroyed, GpuService properly
// updates the histograms.
TEST_F(GpuServiceTest, PeakGpuMemoryCallback) {
mojo::Remote<mojom::GpuService> gpu_service_remote;
gpu_service()->Bind(gpu_service_remote.BindNewPipeAndPassReceiver());
mojo::PendingRemote<mojom::GpuHost> gpu_host_proxy;
std::ignore = gpu_host_proxy.InitWithNewPipeAndPassReceiver();
gpu_service()->InitializeWithHost(
std::move(gpu_host_proxy), gpu::GpuProcessShmCount(),
gl::init::CreateOffscreenGLSurface(gl::GetDefaultDisplay(), gfx::Size()),
mojom::GpuServiceCreationParams::New());
gpu_service_remote.FlushForTesting();
ON_CALL(*mock_gpu_service(), GetPeakMemoryUsageOnMainThread)
.WillByDefault(testing::Invoke(
[](uint32_t sequence_num,
GpuServiceImpl::GetPeakMemoryUsageCallback callback) {
ASSERT_EQ(GetPeakMemoryUsageRequestLocation(sequence_num),
SequenceLocation::kGpuProcess);
base::flat_map<gpu::GpuPeakMemoryAllocationSource, uint64_t>
allocation_per_source;
allocation_per_source[gpu::GpuPeakMemoryAllocationSource::UNKNOWN] =
kPeakMemory;
std::move(callback).Run(kPeakMemory, allocation_per_source);
}));
base::HistogramTester histogram;
auto tracker = std::make_unique<PeakGpuMemoryTrackerImpl>(
PeakGpuMemoryTracker::Usage::PAGE_LOAD, gpu_service());
// No report in response to creation.
histogram.ExpectTotalCount("Memory.GPU.PeakMemoryUsage2.PageLoad", 0);
histogram.ExpectTotalCount(
"Memory.GPU.PeakMemoryAllocationSource.PageLoad.Unknown", 0);
// Deleting the tracker should start a request for peak Gpu memory usage,
// with the callback being a posted task.
tracker.reset();
gpu_service_remote.FlushForTesting();
histogram.ExpectUniqueSample("Memory.GPU.PeakMemoryUsage2.PageLoad",
kPeakMemoryMB, 1);
histogram.ExpectUniqueSample(
"Memory.GPU.PeakMemoryAllocationSource2.PageLoad.Unknown", kPeakMemoryMB,
1);
}
} // namespace viz
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