| /* |
| * Copyright (C) 2017 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 specic language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <algorithm> |
| #include <thread> |
| |
| #include <android-base/file.h> |
| #include <android-base/logging.h> |
| #include <android-base/test_utils.h> |
| |
| #include <gtest/gtest.h> |
| |
| #include "perfmgr/HintManager.h" |
| |
| namespace android { |
| namespace perfmgr { |
| |
| using namespace std::chrono_literals; |
| |
| constexpr auto kSLEEP_TOLERANCE_MS = 50ms; |
| |
| // JSON_CONFIG |
| // { |
| // "Nodes": [ |
| // { |
| // "Name": "CPUCluster0MinFreq", |
| // "Path": "/sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq", |
| // "Values": [ |
| // "1512000", |
| // "1134000", |
| // "384000" |
| // ], |
| // "DefaultIndex": 2, |
| // "ResetOnInit": true |
| // }, |
| // { |
| // "Name": "CPUCluster1MinFreq", |
| // "Path": "/sys/devices/system/cpu/cpu4/cpufreq/scaling_min_freq", |
| // "Values": [ |
| // "1512000", |
| // "1134000", |
| // "384000" |
| // ], |
| // "HoldFd": true |
| // } |
| // ], |
| // "Actions": [ |
| // { |
| // "PowerHint": "INTERACTION", |
| // "Node": "CPUCluster1MinFreq", |
| // "Value": "1134000", |
| // "Duration": 800 |
| // }, |
| // { |
| // "PowerHint": "LAUNCH", |
| // "Node": "CPUCluster0MinFreq", |
| // "Value": "1134000", |
| // "Duration": 500 |
| // }, |
| // { |
| // "PowerHint": "LAUNCH", |
| // "Node": "CPUCluster1MinFreq", |
| // "Value": "1512000", |
| // "Duration": 2000 |
| // } |
| // ] |
| // } |
| constexpr char kJSON_RAW[] = |
| "{\"Nodes\":[{\"Name\":\"CPUCluster0MinFreq\",\"Path\":\"/sys/devices/" |
| "system/cpu/cpu0/cpufreq/" |
| "scaling_min_freq\",\"Values\":[\"1512000\",\"1134000\",\"384000\"]," |
| "\"DefaultIndex\":2,\"ResetOnInit\":true},{\"Name\":\"CPUCluster1MinFreq\"," |
| "\"Path\":\"/sys/devices/system/cpu/cpu4/cpufreq/" |
| "scaling_min_freq\",\"Values\":[\"1512000\",\"1134000\",\"384000\"]," |
| "\"HoldFd\":true}],\"Actions\":[{\"PowerHint\":\"INTERACTION\",\"Node\":" |
| "\"CPUCluster1MinFreq\",\"Value\":\"1134000\",\"Duration\":800},{" |
| "\"PowerHint\":" |
| "\"LAUNCH\",\"Node\":\"CPUCluster0MinFreq\",\"Value\":\"1134000\"," |
| "\"Duration\":" |
| "500},{\"PowerHint\":\"LAUNCH\",\"Node\":\"CPUCluster1MinFreq\"," |
| "\"Value\":\"1512000\",\"Duration\":2000}]}"; |
| |
| class HintManagerTest : public ::testing::Test, public HintManager { |
| protected: |
| HintManagerTest() |
| : HintManager(nullptr, |
| std::map<std::string, std::vector<NodeAction>>{}) { |
| android::base::SetMinimumLogSeverity(android::base::VERBOSE); |
| } |
| |
| virtual void SetUp() { |
| // Set up dummy nodes |
| std::unique_ptr<TemporaryFile> tf = std::make_unique<TemporaryFile>(); |
| nodes_.emplace_back( |
| new Node("n0", tf->path, |
| {{"n0_value0"}, {"n0_value1"}, {"n0_value2"}}, 2, false)); |
| files_.emplace_back(std::move(tf)); |
| tf = std::make_unique<TemporaryFile>(); |
| nodes_.emplace_back( |
| new Node("n1", tf->path, |
| {{"n1_value0"}, {"n1_value1"}, {"n1_value2"}}, 2, true)); |
| files_.emplace_back(std::move(tf)); |
| nm_ = new NodeLooperThread(std::move(nodes_)); |
| // Set up dummy actions |
| // "INTERACTION" |
| // Node0, value1, 800ms |
| // Node1, value1, forever |
| // "LAUNCH" |
| // Node0, value0, forever |
| // Node1, value0, 400ms |
| actions_ = std::map<std::string, std::vector<NodeAction>>{ |
| {"INTERACTION", {{0, 1, 800ms}, {1, 1, 0ms}}}, |
| {"LAUNCH", {{0, 0, 0ms}, {1, 0, 400ms}}}}; |
| |
| // Prepare dummy files to replace the nodes' path in example json_doc |
| files_.emplace_back(std::make_unique<TemporaryFile>()); |
| files_.emplace_back(std::make_unique<TemporaryFile>()); |
| // replace filepath |
| json_doc_ = kJSON_RAW; |
| std::string from = |
| "/sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq"; |
| size_t start_pos = json_doc_.find(from); |
| json_doc_.replace(start_pos, from.length(), files_[0 + 2]->path); |
| from = "/sys/devices/system/cpu/cpu4/cpufreq/scaling_min_freq"; |
| start_pos = json_doc_.find(from); |
| json_doc_.replace(start_pos, from.length(), files_[1 + 2]->path); |
| } |
| |
| virtual void TearDown() { |
| actions_.clear(); |
| nodes_.clear(); |
| files_.clear(); |
| nm_ = nullptr; |
| } |
| sp<NodeLooperThread> nm_; |
| std::map<std::string, std::vector<NodeAction>> actions_; |
| std::vector<std::unique_ptr<Node>> nodes_; |
| std::vector<std::unique_ptr<TemporaryFile>> files_; |
| std::string json_doc_; |
| }; |
| |
| static inline void _VerifyPathValue(const std::string& path, |
| const std::string& value) { |
| std::string s; |
| EXPECT_TRUE(android::base::ReadFileToString(path, &s)) << strerror(errno); |
| EXPECT_EQ(value, s); |
| } |
| |
| // Test GetHints |
| TEST_F(HintManagerTest, GetHintsTest) { |
| HintManager hm(nm_, actions_); |
| std::vector<std::string> hints = hm.GetHints(); |
| EXPECT_TRUE(hm.IsRunning()); |
| EXPECT_EQ(2u, hints.size()); |
| EXPECT_NE(std::find(hints.begin(), hints.end(), "INTERACTION"), hints.end()); |
| EXPECT_NE(std::find(hints.begin(), hints.end(), "LAUNCH"), hints.end()); |
| } |
| |
| // Test initialization of default values |
| TEST_F(HintManagerTest, HintInitDefaultTest) { |
| HintManager hm(nm_, actions_); |
| std::this_thread::sleep_for(kSLEEP_TOLERANCE_MS); |
| EXPECT_TRUE(hm.IsRunning()); |
| _VerifyPathValue(files_[0]->path, ""); |
| _VerifyPathValue(files_[1]->path, "n1_value2"); |
| } |
| |
| // Test hint/cancel/expire |
| TEST_F(HintManagerTest, HintTest) { |
| HintManager hm(nm_, actions_); |
| EXPECT_TRUE(hm.IsRunning()); |
| EXPECT_TRUE(hm.DoHint("INTERACTION")); |
| std::this_thread::sleep_for(kSLEEP_TOLERANCE_MS); |
| _VerifyPathValue(files_[0]->path, "n0_value1"); |
| _VerifyPathValue(files_[1]->path, "n1_value1"); |
| // this won't change the expire time of INTERACTION hint |
| EXPECT_TRUE(hm.DoHint("INTERACTION", 200ms)); |
| // now place new hint |
| EXPECT_TRUE(hm.DoHint("LAUNCH")); |
| std::this_thread::sleep_for(kSLEEP_TOLERANCE_MS); |
| _VerifyPathValue(files_[0]->path, "n0_value0"); |
| _VerifyPathValue(files_[1]->path, "n1_value0"); |
| EXPECT_TRUE(hm.DoHint("LAUNCH", 500ms)); |
| // no"LAUNCH" node1 not expired |
| std::this_thread::sleep_for(400ms); |
| _VerifyPathValue(files_[0]->path, "n0_value0"); |
| _VerifyPathValue(files_[1]->path, "n1_value0"); |
| // "LAUNCH" node1 expired |
| std::this_thread::sleep_for(100ms + kSLEEP_TOLERANCE_MS); |
| _VerifyPathValue(files_[0]->path, "n0_value0"); |
| _VerifyPathValue(files_[1]->path, "n1_value1"); |
| EXPECT_TRUE(hm.EndHint("LAUNCH")); |
| std::this_thread::sleep_for(kSLEEP_TOLERANCE_MS); |
| // "LAUNCH" canceled |
| _VerifyPathValue(files_[0]->path, "n0_value1"); |
| _VerifyPathValue(files_[1]->path, "n1_value1"); |
| std::this_thread::sleep_for(200ms); |
| // "INTERACTION" node0 expired |
| _VerifyPathValue(files_[0]->path, "n0_value2"); |
| _VerifyPathValue(files_[1]->path, "n1_value1"); |
| EXPECT_TRUE(hm.EndHint("INTERACTION")); |
| std::this_thread::sleep_for(kSLEEP_TOLERANCE_MS); |
| // "INTERACTION" canceled |
| _VerifyPathValue(files_[0]->path, "n0_value2"); |
| _VerifyPathValue(files_[1]->path, "n1_value2"); |
| } |
| |
| // Test parsing nodes with duplicate name |
| TEST_F(HintManagerTest, ParseNodesTest) { |
| std::vector<std::unique_ptr<Node>> nodes = |
| HintManager::ParseNodes(json_doc_); |
| EXPECT_EQ(2u, nodes.size()); |
| EXPECT_EQ("CPUCluster0MinFreq", nodes[0]->GetName()); |
| EXPECT_EQ("CPUCluster1MinFreq", nodes[1]->GetName()); |
| EXPECT_EQ(files_[0 + 2]->path, nodes[0]->GetPath()); |
| EXPECT_EQ(files_[1 + 2]->path, nodes[1]->GetPath()); |
| EXPECT_EQ("1512000", nodes[0]->GetValues()[0]); |
| EXPECT_EQ("1134000", nodes[0]->GetValues()[1]); |
| EXPECT_EQ("384000", nodes[0]->GetValues()[2]); |
| EXPECT_EQ("1512000", nodes[1]->GetValues()[0]); |
| EXPECT_EQ("1134000", nodes[1]->GetValues()[1]); |
| EXPECT_EQ("384000", nodes[1]->GetValues()[2]); |
| EXPECT_EQ(2u, nodes[0]->GetDefaultIndex()); |
| EXPECT_EQ(2u, nodes[1]->GetDefaultIndex()); |
| EXPECT_TRUE(nodes[0]->GetResetOnInit()); |
| EXPECT_FALSE(nodes[1]->GetResetOnInit()); |
| EXPECT_FALSE(nodes[0]->GetHoldFd()); |
| EXPECT_TRUE(nodes[1]->GetHoldFd()); |
| } |
| |
| // Test parsing actions |
| TEST_F(HintManagerTest, ParseNodesDuplicateNameTest) { |
| std::string from = "CPUCluster0MinFreq"; |
| size_t start_pos = json_doc_.find(from); |
| json_doc_.replace(start_pos, from.length(), "CPUCluster1MinFreq"); |
| std::vector<std::unique_ptr<Node>> nodes = |
| HintManager::ParseNodes(json_doc_); |
| EXPECT_EQ(0u, nodes.size()); |
| } |
| |
| // Test parsing nodes with duplicate path |
| TEST_F(HintManagerTest, ParseNodesDuplicatePathTest) { |
| std::string from = files_[0 + 2]->path; |
| size_t start_pos = json_doc_.find(from); |
| json_doc_.replace(start_pos, from.length(), files_[1 + 2]->path); |
| std::vector<std::unique_ptr<Node>> nodes = |
| HintManager::ParseNodes(json_doc_); |
| EXPECT_EQ(0u, nodes.size()); |
| } |
| |
| // Test parsing invalid json for nodes |
| TEST_F(HintManagerTest, ParseBadNodesTest) { |
| std::vector<std::unique_ptr<Node>> nodes = |
| HintManager::ParseNodes("invalid json"); |
| EXPECT_EQ(0u, nodes.size()); |
| nodes = HintManager::ParseNodes( |
| "{\"devices\":{\"15\":[\"armeabi-v7a\"],\"16\":[\"armeabi-v7a\"]," |
| "\"26\":[\"armeabi-v7a\",\"arm64-v8a\",\"x86\",\"x86_64\"]}}"); |
| EXPECT_EQ(0u, nodes.size()); |
| } |
| |
| // Test parsing actions |
| TEST_F(HintManagerTest, ParseActionsTest) { |
| std::vector<std::unique_ptr<Node>> nodes = |
| HintManager::ParseNodes(json_doc_); |
| std::map<std::string, std::vector<NodeAction>> actions = |
| HintManager::ParseActions(json_doc_, nodes); |
| EXPECT_EQ(2u, actions.size()); |
| EXPECT_EQ(1u, actions["INTERACTION"].size()); |
| |
| EXPECT_EQ(1u, actions["INTERACTION"][0].node_index); |
| EXPECT_EQ(1u, actions["INTERACTION"][0].value_index); |
| EXPECT_EQ(std::chrono::milliseconds(800).count(), |
| actions["INTERACTION"][0].timeout_ms.count()); |
| |
| EXPECT_EQ(2u, actions["LAUNCH"].size()); |
| |
| EXPECT_EQ(0u, actions["LAUNCH"][0].node_index); |
| EXPECT_EQ(1u, actions["LAUNCH"][0].value_index); |
| EXPECT_EQ(std::chrono::milliseconds(500).count(), |
| actions["LAUNCH"][0].timeout_ms.count()); |
| |
| EXPECT_EQ(1u, actions["LAUNCH"][1].node_index); |
| EXPECT_EQ(0u, actions["LAUNCH"][1].value_index); |
| EXPECT_EQ(std::chrono::milliseconds(2000).count(), |
| actions["LAUNCH"][1].timeout_ms.count()); |
| } |
| |
| // Test parsing actions with duplicate node |
| TEST_F(HintManagerTest, ParseActionDuplicateNodeTest) { |
| std::string from = "\"Node\":\"CPUCluster0MinFreq\""; |
| size_t start_pos = json_doc_.find(from); |
| json_doc_.replace(start_pos, from.length(), |
| "\"Node\": \"CPUCluster1MinFreq\""); |
| std::vector<std::unique_ptr<Node>> nodes = |
| HintManager::ParseNodes(json_doc_); |
| EXPECT_EQ(2u, nodes.size()); |
| std::map<std::string, std::vector<NodeAction>> actions = |
| HintManager::ParseActions(json_doc_, nodes); |
| EXPECT_EQ(0u, actions.size()); |
| } |
| |
| // Test parsing invalid json for actions |
| TEST_F(HintManagerTest, ParseBadActionsTest) { |
| std::vector<std::unique_ptr<Node>> nodes = |
| HintManager::ParseNodes(json_doc_); |
| std::map<std::string, std::vector<NodeAction>> actions = |
| HintManager::ParseActions("invalid json", nodes); |
| EXPECT_EQ(0u, actions.size()); |
| actions = HintManager::ParseActions( |
| "{\"devices\":{\"15\":[\"armeabi-v7a\"],\"16\":[\"armeabi-v7a\"]," |
| "\"26\":[\"armeabi-v7a\",\"arm64-v8a\",\"x86\",\"x86_64\"]}}", |
| nodes); |
| EXPECT_EQ(0u, actions.size()); |
| } |
| |
| // Test hint/cancel/expire with json config |
| TEST_F(HintManagerTest, GetFromJSONTest) { |
| TemporaryFile json_file; |
| ASSERT_TRUE(android::base::WriteStringToFile(json_doc_, json_file.path)) |
| << strerror(errno); |
| std::unique_ptr<HintManager> hm = HintManager::GetFromJSON(json_file.path); |
| EXPECT_NE(nullptr, hm.get()); |
| std::this_thread::sleep_for(kSLEEP_TOLERANCE_MS); |
| EXPECT_TRUE(hm->IsRunning()); |
| // Initial default value on Node0 |
| _VerifyPathValue(files_[0 + 2]->path, "384000"); |
| _VerifyPathValue(files_[1 + 2]->path, ""); |
| // Do INTERACTION |
| EXPECT_TRUE(hm->DoHint("INTERACTION")); |
| std::this_thread::sleep_for(kSLEEP_TOLERANCE_MS); |
| _VerifyPathValue(files_[0 + 2]->path, "384000"); |
| _VerifyPathValue(files_[1 + 2]->path, "1134000"); |
| // Do LAUNCH |
| EXPECT_TRUE(hm->DoHint("LAUNCH")); |
| std::this_thread::sleep_for(kSLEEP_TOLERANCE_MS); |
| _VerifyPathValue(files_[0 + 2]->path, "1134000"); |
| _VerifyPathValue(files_[1 + 2]->path, "1512000"); |
| std::this_thread::sleep_for(500ms); |
| // "LAUNCH" node0 expired |
| _VerifyPathValue(files_[0 + 2]->path, "384000"); |
| _VerifyPathValue(files_[1 + 2]->path, "1512000"); |
| EXPECT_TRUE(hm->EndHint("LAUNCH")); |
| std::this_thread::sleep_for(kSLEEP_TOLERANCE_MS); |
| // "LAUNCH" canceled |
| _VerifyPathValue(files_[0 + 2]->path, "384000"); |
| _VerifyPathValue(files_[1 + 2]->path, "1134000"); |
| std::this_thread::sleep_for(300ms); |
| // "INTERACTION" node1 expired |
| _VerifyPathValue(files_[0 + 2]->path, "384000"); |
| _VerifyPathValue(files_[1 + 2]->path, "384000"); |
| } |
| |
| } // namespace perfmgr |
| } // namespace android |