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 "base/log/ace_tracker.h"
17 
18 #include "base/utils/time_util.h"
19 
20 namespace OHOS::Ace {
21 
22 std::unique_ptr<JsonValue> AceTracker::trackInfo_ = nullptr;
23 
Start()24 void AceTracker::Start()
25 {
26     trackInfo_ = JsonUtil::Create(true);
27 }
28 
Stop()29 std::string AceTracker::Stop()
30 {
31     if (trackInfo_) {
32         auto info = trackInfo_->ToString();
33         trackInfo_.reset(nullptr);
34         return info;
35     }
36     return "{}";
37 }
38 
AceScopedTracker(const std::string & tag)39 AceScopedTracker::AceScopedTracker(const std::string& tag) : tag_(tag)
40 {
41     if (AceTracker::trackInfo_) {
42         // micro sec.
43         markTime_ = GetMicroTickCount();
44     }
45 }
46 
~AceScopedTracker()47 AceScopedTracker::~AceScopedTracker()
48 {
49     if (AceTracker::trackInfo_) {
50         // convert micro sec to ms with 1000.
51         AceTracker::trackInfo_->Put(tag_.c_str(), (GetMicroTickCount() - markTime_) / 1000.0);
52     }
53 }
54 
55 } // namespace OHOS::Ace
56