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1 /*
2  * Copyright (c) 2022 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 #include "plugin_stats_event.h"
16 
17 #include "hiview_event_common.h"
18 
19 namespace OHOS {
20 namespace HiviewDFX {
21 namespace {
22 constexpr int TOP_K_NUM = 3;
23 constexpr uint32_t NUM_ADD_PER = 1;
24 const std::vector<uint32_t> INIT_TOP_K_TIME(TOP_K_NUM, 0);
25 const std::vector<std::string> INIT_TOP_K_EVENT(TOP_K_NUM, "");
26 }
27 using namespace PluginStatsEventSpace;
28 
PluginStatsEvent(const std::string & name,HiSysEvent::EventType type)29 PluginStatsEvent::PluginStatsEvent(const std::string &name, HiSysEvent::EventType type)
30     : LoggerEvent(name, type)
31 {
32     paramMap_ = {
33         {std::string(KEY_OF_PLUGIN_NAME), std::string(DEFAULT_STRING)},
34         {std::string(KEY_OF_PROC_NAME), std::string(DEFAULT_STRING)},
35         {std::string(KEY_OF_PROC_TIME), DEFAULT_UINT32}, {std::string(KEY_OF_TOTAL_TIME), DEFAULT_UINT64},
36         {std::string(KEY_OF_AVG_TIME), DEFAULT_UINT32}, {std::string(KEY_OF_TOP_K_TIME), INIT_TOP_K_TIME},
37         {std::string(KEY_OF_TOP_K_EVENT), INIT_TOP_K_EVENT}, {std::string(KEY_OF_TOTAL), DEFAULT_UINT32}
38     };
39 }
40 
UpdateTotalNum()41 void PluginStatsEvent::UpdateTotalNum()
42 {
43     paramMap_[KEY_OF_TOTAL] = paramMap_[KEY_OF_TOTAL].GetUint32() + NUM_ADD_PER;
44 }
45 
UpdateTotalTime()46 void PluginStatsEvent::UpdateTotalTime()
47 {
48     paramMap_[KEY_OF_TOTAL_TIME] = paramMap_[KEY_OF_TOTAL_TIME].GetUint64() + paramMap_[KEY_OF_PROC_TIME].GetUint32();
49 }
50 
UpdateAvgTime()51 void PluginStatsEvent::UpdateAvgTime()
52 {
53     paramMap_[KEY_OF_AVG_TIME] = static_cast<uint32_t>(paramMap_[KEY_OF_TOTAL_TIME].GetUint64()
54         / paramMap_[KEY_OF_TOTAL].GetUint32());
55 }
56 
UpdateTopK()57 void PluginStatsEvent::UpdateTopK()
58 {
59     uint32_t procTime = paramMap_[KEY_OF_PROC_TIME].GetUint32();
60     auto topKTime = paramMap_[KEY_OF_TOP_K_TIME].GetUint32Vec();
61     if (procTime <= topKTime.back()) {
62         return;
63     }
64 
65     auto it = std::find_if(topKTime.begin(), topKTime.end(), [procTime] (auto t) {
66         return procTime > t;
67     });
68     auto index = it - topKTime.begin();
69     topKTime.insert(topKTime.begin() + index, procTime);
70     topKTime.pop_back();
71     paramMap_[KEY_OF_TOP_K_TIME] = topKTime;
72 
73     auto topKEvent = paramMap_[KEY_OF_TOP_K_EVENT].GetStringVec();
74     topKEvent.insert(topKEvent.begin() + index, paramMap_[KEY_OF_PROC_NAME].GetString());
75     topKEvent.pop_back();
76     paramMap_[KEY_OF_TOP_K_EVENT] = topKEvent;
77 }
78 
InnerUpdate(const std::string & name,const ParamValue & value)79 void PluginStatsEvent::InnerUpdate(const std::string &name, const ParamValue& value)
80 {
81     LoggerEvent::InnerUpdate(name, value);
82     if (name.compare(KEY_OF_PROC_TIME) == 0) {
83         UpdateTotalNum();
84         UpdateTotalTime();
85         UpdateAvgTime();
86         UpdateTopK();
87     }
88 }
89 
Report()90 void PluginStatsEvent::Report()
91 {
92     HiSysEventWrite(HiSysEvent::Domain::HIVIEWDFX, eventName_, eventType_,
93         KEY_OF_PLUGIN_NAME, paramMap_[KEY_OF_PLUGIN_NAME].GetString(),
94         KEY_OF_AVG_TIME, paramMap_[KEY_OF_AVG_TIME].GetUint32(),
95         KEY_OF_TOP_K_TIME,  paramMap_[KEY_OF_TOP_K_TIME].GetUint32Vec(),
96         KEY_OF_TOP_K_EVENT, paramMap_[KEY_OF_TOP_K_EVENT].GetStringVec(),
97         KEY_OF_TOTAL, paramMap_[KEY_OF_TOTAL].GetUint32());
98 }
99 } // namespace HiviewDFX
100 } // namespace OHOS
101