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1 /*
2  * Copyright (C) 2021 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include "include/lock_frequency.h"
17 #include <thread>
18 #include <chrono>
19 #include <dlfcn.h>
20 #include "include/sp_log.h"
21 #include "include/service_plugin.h"
22 
23 namespace OHOS {
24 namespace SmartPerf {
ItemData()25     std::map<std::string, std::string> LockFrequency::ItemData()
26     {
27         return std::map<std::string, std::string>();
28     }
LockingThread()29     void LockFrequency::LockingThread()
30     {
31         LOGD("Lock frequency thread create");
32         const int loopLockTime = 4000;
33 
34         ServicePluginHandler &servicePluginHandler = ServicePluginHandler::GetInstance();
35         void* handle = servicePluginHandler.GetSoHandler(ServicePluginHandler::ServicePluginType::TEST_PLUGIN);
36         if (!handle) {
37             WLOGE("open TestServerPlugin so file error.");
38             return;
39         }
40 
41         typedef int32_t (*GetLockFreq)();
42         GetLockFreq testServerPlugin = (GetLockFreq)dlsym(handle, lockFunction.c_str());
43         if (!testServerPlugin) {
44             WLOGE("Error loading symbol");
45             return;
46         }
47         while (isCollecting) {
48             testServerPlugin();
49             std::this_thread::sleep_for(std::chrono::milliseconds(loopLockTime));
50         }
51 
52         LOGD("Lock frequency thread end");
53     }
54 
StartExecutionOnce(bool isPause)55     void LockFrequency::StartExecutionOnce(bool isPause)
56     {
57         if (isPause) {
58             return;
59         }
60         SetIsCollecting(true);
61         th_ = std::thread([this]() {
62             WLOGI("Starting lock frequency locking thread");
63             LockingThread();
64         });
65     }
66 
FinishtExecutionOnce(bool isPause)67     void LockFrequency::FinishtExecutionOnce(bool isPause)
68     {
69         if (isPause) {
70             return;
71         }
72         SetIsCollecting(false);
73         if (th_.joinable()) {
74             LOGD("Joining lockFreqThread.");
75             th_.join();
76         }
77     }
78 
SetIsCollecting(bool state)79     void LockFrequency::SetIsCollecting(bool state)
80     {
81         isCollecting = state;
82 
83         ServicePluginHandler &servicePluginHandler = ServicePluginHandler::GetInstance();
84         void* handle = servicePluginHandler.GetSoHandler(ServicePluginHandler::ServicePluginType::PERF_GENIUS_PLUGIN);
85         if (!handle) {
86             WLOGE("Get service plugin handler failed.");
87             return;
88         }
89 
90         reportFunc_ = reinterpret_cast<ReportDataFunc>(dlsym(handle, "PerfCmdHandle"));
91         if (!reportFunc_) {
92             WLOGE("PerfCmdHandle Error loading symbol");
93             return;
94         }
95 
96         std::vector<int32_t> resId = {4206};
97         std::vector<int64_t> endTime = {0};
98         std::vector<int64_t> value = {110};
99         if (!state) {
100             value = {100};
101         }
102 
103         int ret = reportFunc_(resId, value, endTime, "");
104         if (ret < 0) {
105             WLOGE("reportFunc_ failed, ret: %d", ret);
106         }
107     }
108 }
109 }
110