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1 /*
2  * Copyright (c) 2023-2024 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 "decorator.h"
17 
18 namespace OHOS {
19 namespace HiviewDFX {
20 namespace UCollectUtil {
21 const auto UC_STAT_LOG_PATH = "/data/log/hiview/unified_collection/ucollection_stat_detail.log";
22 const auto UC_SEPARATOR = "::";
23 const auto UC_STAT_DATE = "Date:";
24 const auto UC_API_STAT_TITLE = "API statistics:";
25 const auto UC_API_STAT_ITEM = "API TotalCall FailCall AvgLatency(us) MaxLatency(us) TotalTimeSpent(us)";
26 
UpdateStatInfo(uint64_t startTime,uint64_t endTime,const std::string & funcName,bool isCallSucc)27 void StatInfoWrapper::UpdateStatInfo(uint64_t startTime, uint64_t endTime, const std::string& funcName, bool isCallSucc)
28 {
29     std::lock_guard<std::mutex> lock(mutex_);
30     uint64_t latency = (endTime - startTime) > 0 ? (endTime - startTime) : 0;
31     if (statInfos_.find(funcName) == statInfos_.end()) {
32         StatInfo statInfo = {
33             .name = funcName,
34             .totalCall = 1,
35             .failCall = isCallSucc ? 0 : 1,
36             .avgLatency = latency,
37             .maxLatency = latency,
38             .totalTimeSpend = latency,
39         };
40         statInfos_.insert(std::make_pair(funcName, statInfo));
41         return;
42     }
43 
44     StatInfo& statInfo = statInfos_[funcName];
45     statInfo.totalCall += 1;
46     statInfo.failCall += isCallSucc ? 0 : 1;
47     statInfo.totalTimeSpend += latency;
48     statInfo.maxLatency = statInfo.maxLatency < latency ? latency : statInfo.maxLatency;
49     if (statInfo.totalCall > 0) {
50         statInfo.avgLatency = statInfo.totalTimeSpend / statInfo.totalCall;
51     }
52 }
53 
GetStatInfo()54 std::map<std::string, StatInfo> StatInfoWrapper::GetStatInfo()
55 {
56     std::lock_guard<std::mutex> lock(mutex_);
57     return statInfos_;
58 }
59 
ResetStatInfo()60 void StatInfoWrapper::ResetStatInfo()
61 {
62     std::lock_guard<std::mutex> lock(mutex_);
63     statInfos_.clear();
64 }
65 } // namespace UCollectUtil
66 } // namespace HiviewDFX
67 } // namespace OHOS
68