services/gpuservice/tests/unittests/GpuMemTracerTest.cpp - third_party/android/platform/frameworks/native - Git at Google

 /*
  * Copyright 2020 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 #undef LOG_TAG
 #define LOG_TAG "gpuservice_unittest"

 #include <bpf/BpfMap.h>
 #include <gpumem/GpuMem.h>
 #include <gtest/gtest.h>
 #include <perfetto/trace/trace.pb.h>
 #include <tracing/GpuMemTracer.h>

 #include "TestableGpuMem.h"

 namespace android {

 constexpr uint32_t TEST_MAP_SIZE = 10;
 constexpr uint64_t TEST_GLOBAL_KEY = 0;
 constexpr uint32_t TEST_GLOBAL_PID = 0;
 constexpr uint64_t TEST_GLOBAL_VAL = 123;
 constexpr uint32_t TEST_GLOBAL_GPU_ID = 0;
 constexpr uint64_t TEST_PROC_KEY_1 = 1;
 constexpr uint32_t TEST_PROC_PID_1 = 1;
 constexpr uint64_t TEST_PROC_VAL_1 = 234;
 constexpr uint32_t TEST_PROC_1_GPU_ID = 0;
 constexpr uint64_t TEST_PROC_KEY_2 = 4294967298; // (1 << 32) + 2
 constexpr uint32_t TEST_PROC_PID_2 = 2;
 constexpr uint64_t TEST_PROC_VAL_2 = 345;
 constexpr uint32_t TEST_PROC_2_GPU_ID = 1;

 class GpuMemTracerTest : public testing::Test {
 public:
     GpuMemTracerTest() {
         const ::testing::TestInfo* const test_info =
                 ::testing::UnitTest::GetInstance()->current_test_info();
         ALOGD("**** Setting up for %s.%s\n", test_info->test_case_name(), test_info->name());
     }

     ~GpuMemTracerTest() {
         const ::testing::TestInfo* const test_info =
                 ::testing::UnitTest::GetInstance()->current_test_info();
         ALOGD("**** Tearing down after %s.%s\n", test_info->test_case_name(), test_info->name());
     }

     void SetUp() override {
         bpf::setrlimitForTest();

         mGpuMem = std::make_shared<GpuMem>();
         mGpuMemTracer = std::make_unique<GpuMemTracer>();
         mGpuMemTracer->initializeForTest(mGpuMem);
         mTestableGpuMem = TestableGpuMem(mGpuMem.get());

         errno = 0;
         mTestMap = bpf::BpfMap<uint64_t, uint64_t>(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE,
                                                    BPF_F_NO_PREALLOC);

         EXPECT_EQ(0, errno);
         EXPECT_LE(0, mTestMap.getMap().get());
         EXPECT_TRUE(mTestMap.isValid());
     }

     int getTracerThreadCount() { return mGpuMemTracer->tracerThreadCount; }

     std::vector<perfetto::protos::TracePacket> readGpuMemTotalPacketsBlocking(
             perfetto::TracingSession* tracingSession) {
         std::vector<char> raw_trace = tracingSession->ReadTraceBlocking();
         perfetto::protos::Trace trace;
         trace.ParseFromArray(raw_trace.data(), int(raw_trace.size()));

         std::vector<perfetto::protos::TracePacket> packets;
         for (const auto& packet : trace.packet()) {
             if (!packet.has_gpu_mem_total_event()) {
                 continue;
             }
             packets.emplace_back(packet);
         }
         return packets;
     }

     std::shared_ptr<GpuMem> mGpuMem;
     TestableGpuMem mTestableGpuMem;
     std::unique_ptr<GpuMemTracer> mGpuMemTracer;
     bpf::BpfMap<uint64_t, uint64_t> mTestMap;
 };

 static constexpr uint64_t getSizeForPid(uint32_t pid) {
     switch (pid) {
         case TEST_GLOBAL_PID:
             return TEST_GLOBAL_VAL;
         case TEST_PROC_PID_1:
             return TEST_PROC_VAL_1;
         case TEST_PROC_PID_2:
             return TEST_PROC_VAL_2;
     }
     return 0;
 }

 static constexpr uint32_t getGpuIdForPid(uint32_t pid) {
     switch (pid) {
         case TEST_GLOBAL_PID:
             return TEST_GLOBAL_GPU_ID;
         case TEST_PROC_PID_1:
             return TEST_PROC_1_GPU_ID;
         case TEST_PROC_PID_2:
             return TEST_PROC_2_GPU_ID;
     }
     return 0;
 }

 TEST_F(GpuMemTracerTest, traceInitialCountersAfterGpuMemInitialize) {
     ASSERT_RESULT_OK(mTestMap.writeValue(TEST_GLOBAL_KEY, TEST_GLOBAL_VAL, BPF_ANY));
     ASSERT_RESULT_OK(mTestMap.writeValue(TEST_PROC_KEY_1, TEST_PROC_VAL_1, BPF_ANY));
     ASSERT_RESULT_OK(mTestMap.writeValue(TEST_PROC_KEY_2, TEST_PROC_VAL_2, BPF_ANY));
     mTestableGpuMem.setGpuMemTotalMap(mTestMap);
     mTestableGpuMem.setInitialized();

     // Only 1 tracer thread should be existing for test.
     EXPECT_EQ(getTracerThreadCount(), 1);
     auto tracingSession = mGpuMemTracer->getTracingSessionForTest();

     tracingSession->StartBlocking();
     // Sleep for a short time to let the tracer thread finish its work
     sleep(1);
     tracingSession->StopBlocking();

     // The test tracer thread should have finished its execution by now.
     EXPECT_EQ(getTracerThreadCount(), 0);

     auto packets = readGpuMemTotalPacketsBlocking(tracingSession.get());
     EXPECT_EQ(packets.size(), 3);

     const auto& packet0 = packets[0];
     ASSERT_TRUE(packet0.has_timestamp());
     ASSERT_TRUE(packet0.has_gpu_mem_total_event());
     const auto& gpuMemEvent0 = packet0.gpu_mem_total_event();
     ASSERT_TRUE(gpuMemEvent0.has_pid());
     const auto& pid0 = gpuMemEvent0.pid();
     ASSERT_TRUE(gpuMemEvent0.has_size());
     EXPECT_EQ(gpuMemEvent0.size(), getSizeForPid(pid0));
     ASSERT_TRUE(gpuMemEvent0.has_gpu_id());
     EXPECT_EQ(gpuMemEvent0.gpu_id(), getGpuIdForPid(pid0));

     const auto& packet1 = packets[1];
     ASSERT_TRUE(packet1.has_timestamp());
     ASSERT_TRUE(packet1.has_gpu_mem_total_event());
     const auto& gpuMemEvent1 = packet1.gpu_mem_total_event();
     ASSERT_TRUE(gpuMemEvent1.has_pid());
     const auto& pid1 = gpuMemEvent1.pid();
     ASSERT_TRUE(gpuMemEvent1.has_size());
     EXPECT_EQ(gpuMemEvent1.size(), getSizeForPid(pid1));
     ASSERT_TRUE(gpuMemEvent1.has_gpu_id());
     EXPECT_EQ(gpuMemEvent1.gpu_id(), getGpuIdForPid(pid1));

     const auto& packet2 = packets[2];
     ASSERT_TRUE(packet2.has_timestamp());
     ASSERT_TRUE(packet2.has_gpu_mem_total_event());
     const auto& gpuMemEvent2 = packet2.gpu_mem_total_event();
     ASSERT_TRUE(gpuMemEvent2.has_pid());
     const auto& pid2 = gpuMemEvent2.pid();
     ASSERT_TRUE(gpuMemEvent2.has_size());
     EXPECT_EQ(gpuMemEvent2.size(), getSizeForPid(pid2));
     ASSERT_TRUE(gpuMemEvent2.has_gpu_id());
     EXPECT_EQ(gpuMemEvent2.gpu_id(), getGpuIdForPid(pid2));
 }

 TEST_F(GpuMemTracerTest, noTracingWithoutGpuMemInitialize) {
     // Only 1 tracer thread should be existing for test.
     EXPECT_EQ(getTracerThreadCount(), 1);

     auto tracingSession = mGpuMemTracer->getTracingSessionForTest();

     tracingSession->StartBlocking();
     // Sleep for a short time to let the tracer thread finish its work
     sleep(1);
     tracingSession->StopBlocking();

     // The test tracer thread should have finished its execution by now.
     EXPECT_EQ(getTracerThreadCount(), 0);

     auto packets = readGpuMemTotalPacketsBlocking(tracingSession.get());
     EXPECT_EQ(packets.size(), 0);
 }
 } // namespace android
	/*
	* Copyright 2020 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	#undef LOG_TAG
	#define LOG_TAG "gpuservice_unittest"

	#include <bpf/BpfMap.h>
	#include <gpumem/GpuMem.h>
	#include <gtest/gtest.h>
	#include <perfetto/trace/trace.pb.h>
	#include <tracing/GpuMemTracer.h>

	#include "TestableGpuMem.h"

	namespace android {

	constexpr uint32_t TEST_MAP_SIZE = 10;
	constexpr uint64_t TEST_GLOBAL_KEY = 0;
	constexpr uint32_t TEST_GLOBAL_PID = 0;
	constexpr uint64_t TEST_GLOBAL_VAL = 123;
	constexpr uint32_t TEST_GLOBAL_GPU_ID = 0;
	constexpr uint64_t TEST_PROC_KEY_1 = 1;
	constexpr uint32_t TEST_PROC_PID_1 = 1;
	constexpr uint64_t TEST_PROC_VAL_1 = 234;
	constexpr uint32_t TEST_PROC_1_GPU_ID = 0;
	constexpr uint64_t TEST_PROC_KEY_2 = 4294967298; // (1 << 32) + 2
	constexpr uint32_t TEST_PROC_PID_2 = 2;
	constexpr uint64_t TEST_PROC_VAL_2 = 345;
	constexpr uint32_t TEST_PROC_2_GPU_ID = 1;

	class GpuMemTracerTest : public testing::Test {
	public:
	GpuMemTracerTest() {
	const ::testing::TestInfo* const test_info =
	::testing::UnitTest::GetInstance()->current_test_info();
	ALOGD("**** Setting up for %s.%s\n", test_info->test_case_name(), test_info->name());
	}

	~GpuMemTracerTest() {
	const ::testing::TestInfo* const test_info =
	::testing::UnitTest::GetInstance()->current_test_info();
	ALOGD("**** Tearing down after %s.%s\n", test_info->test_case_name(), test_info->name());
	}

	void SetUp() override {
	bpf::setrlimitForTest();

	mGpuMem = std::make_shared<GpuMem>();
	mGpuMemTracer = std::make_unique<GpuMemTracer>();
	mGpuMemTracer->initializeForTest(mGpuMem);
	mTestableGpuMem = TestableGpuMem(mGpuMem.get());

	errno = 0;
	mTestMap = bpf::BpfMap<uint64_t, uint64_t>(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE,
	BPF_F_NO_PREALLOC);

	EXPECT_EQ(0, errno);
	EXPECT_LE(0, mTestMap.getMap().get());
	EXPECT_TRUE(mTestMap.isValid());
	}

	int getTracerThreadCount() { return mGpuMemTracer->tracerThreadCount; }

	std::vector<perfetto::protos::TracePacket> readGpuMemTotalPacketsBlocking(
	perfetto::TracingSession* tracingSession) {
	std::vector<char> raw_trace = tracingSession->ReadTraceBlocking();
	perfetto::protos::Trace trace;
	trace.ParseFromArray(raw_trace.data(), int(raw_trace.size()));

	std::vector<perfetto::protos::TracePacket> packets;
	for (const auto& packet : trace.packet()) {
	if (!packet.has_gpu_mem_total_event()) {
	continue;
	}
	packets.emplace_back(packet);
	}
	return packets;
	}

	std::shared_ptr<GpuMem> mGpuMem;
	TestableGpuMem mTestableGpuMem;
	std::unique_ptr<GpuMemTracer> mGpuMemTracer;
	bpf::BpfMap<uint64_t, uint64_t> mTestMap;
	};

	static constexpr uint64_t getSizeForPid(uint32_t pid) {
	switch (pid) {
	case TEST_GLOBAL_PID:
	return TEST_GLOBAL_VAL;
	case TEST_PROC_PID_1:
	return TEST_PROC_VAL_1;
	case TEST_PROC_PID_2:
	return TEST_PROC_VAL_2;
	}
	return 0;
	}

	static constexpr uint32_t getGpuIdForPid(uint32_t pid) {
	switch (pid) {
	case TEST_GLOBAL_PID:
	return TEST_GLOBAL_GPU_ID;
	case TEST_PROC_PID_1:
	return TEST_PROC_1_GPU_ID;
	case TEST_PROC_PID_2:
	return TEST_PROC_2_GPU_ID;
	}
	return 0;
	}

	TEST_F(GpuMemTracerTest, traceInitialCountersAfterGpuMemInitialize) {
	ASSERT_RESULT_OK(mTestMap.writeValue(TEST_GLOBAL_KEY, TEST_GLOBAL_VAL, BPF_ANY));
	ASSERT_RESULT_OK(mTestMap.writeValue(TEST_PROC_KEY_1, TEST_PROC_VAL_1, BPF_ANY));
	ASSERT_RESULT_OK(mTestMap.writeValue(TEST_PROC_KEY_2, TEST_PROC_VAL_2, BPF_ANY));
	mTestableGpuMem.setGpuMemTotalMap(mTestMap);
	mTestableGpuMem.setInitialized();

	// Only 1 tracer thread should be existing for test.
	EXPECT_EQ(getTracerThreadCount(), 1);
	auto tracingSession = mGpuMemTracer->getTracingSessionForTest();

	tracingSession->StartBlocking();
	// Sleep for a short time to let the tracer thread finish its work
	sleep(1);
	tracingSession->StopBlocking();

	// The test tracer thread should have finished its execution by now.
	EXPECT_EQ(getTracerThreadCount(), 0);

	auto packets = readGpuMemTotalPacketsBlocking(tracingSession.get());
	EXPECT_EQ(packets.size(), 3);

	const auto& packet0 = packets[0];
	ASSERT_TRUE(packet0.has_timestamp());
	ASSERT_TRUE(packet0.has_gpu_mem_total_event());
	const auto& gpuMemEvent0 = packet0.gpu_mem_total_event();
	ASSERT_TRUE(gpuMemEvent0.has_pid());
	const auto& pid0 = gpuMemEvent0.pid();
	ASSERT_TRUE(gpuMemEvent0.has_size());
	EXPECT_EQ(gpuMemEvent0.size(), getSizeForPid(pid0));
	ASSERT_TRUE(gpuMemEvent0.has_gpu_id());
	EXPECT_EQ(gpuMemEvent0.gpu_id(), getGpuIdForPid(pid0));

	const auto& packet1 = packets[1];
	ASSERT_TRUE(packet1.has_timestamp());
	ASSERT_TRUE(packet1.has_gpu_mem_total_event());
	const auto& gpuMemEvent1 = packet1.gpu_mem_total_event();
	ASSERT_TRUE(gpuMemEvent1.has_pid());
	const auto& pid1 = gpuMemEvent1.pid();
	ASSERT_TRUE(gpuMemEvent1.has_size());
	EXPECT_EQ(gpuMemEvent1.size(), getSizeForPid(pid1));
	ASSERT_TRUE(gpuMemEvent1.has_gpu_id());
	EXPECT_EQ(gpuMemEvent1.gpu_id(), getGpuIdForPid(pid1));

	const auto& packet2 = packets[2];
	ASSERT_TRUE(packet2.has_timestamp());
	ASSERT_TRUE(packet2.has_gpu_mem_total_event());
	const auto& gpuMemEvent2 = packet2.gpu_mem_total_event();
	ASSERT_TRUE(gpuMemEvent2.has_pid());
	const auto& pid2 = gpuMemEvent2.pid();
	ASSERT_TRUE(gpuMemEvent2.has_size());
	EXPECT_EQ(gpuMemEvent2.size(), getSizeForPid(pid2));
	ASSERT_TRUE(gpuMemEvent2.has_gpu_id());
	EXPECT_EQ(gpuMemEvent2.gpu_id(), getGpuIdForPid(pid2));
	}

	TEST_F(GpuMemTracerTest, noTracingWithoutGpuMemInitialize) {
	// Only 1 tracer thread should be existing for test.
	EXPECT_EQ(getTracerThreadCount(), 1);

	auto tracingSession = mGpuMemTracer->getTracingSessionForTest();

	tracingSession->StartBlocking();
	// Sleep for a short time to let the tracer thread finish its work
	sleep(1);
	tracingSession->StopBlocking();

	// The test tracer thread should have finished its execution by now.
	EXPECT_EQ(getTracerThreadCount(), 0);

	auto packets = readGpuMemTotalPacketsBlocking(tracingSession.get());
	EXPECT_EQ(packets.size(), 0);
	}
	} // namespace android