1 /*
2 * Copyright (c) 2025 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 "event_delayed_util.h"
16
17 #include "running_status_logger.h"
18
19 namespace OHOS {
20 namespace HiviewDFX {
CheckIfEventDelayed(std::shared_ptr<SysEvent> event)21 void EventDelayedUtil::CheckIfEventDelayed(std::shared_ptr<SysEvent> event)
22 {
23 uint64_t happenTime = event->happenTime_;
24 uint64_t createTime = event->createTime_ / 1000; // 1000: us->ms
25 if (createTime < happenTime) { // for the time jump scene
26 LogEventDelayedInfo(false, happenTime, createTime);
27 return;
28 }
29
30 // event delay exceeds threshold
31 constexpr uint64_t delayDetectLimit = 5 * 1000; // 5s
32 if (uint64_t delayTime = createTime - happenTime; delayTime > delayDetectLimit) {
33 LogEventDelayedInfo(true, happenTime, createTime);
34 return;
35 }
36
37 // event not delayed
38 LogEventDelayedInfo(false, happenTime, createTime);
39 }
40
LogEventDelayedInfo(bool isCurEventDelayed,uint64_t happenTime,uint64_t createTime)41 void EventDelayedUtil::LogEventDelayedInfo(bool isCurEventDelayed, uint64_t happenTime, uint64_t createTime)
42 {
43 if (isLastEventDelayed_ == isCurEventDelayed) {
44 return;
45 }
46
47 // reset delay info of the last event by delay info of current event
48 isLastEventDelayed_ = isCurEventDelayed;
49 std::string info { "event delay " };
50 if (isCurEventDelayed) {
51 info.append("start;");
52 } else {
53 info.append("end;");
54 }
55 info.append("happen_time=[").append(std::to_string(happenTime)).append("]; ");
56 info.append("create_time=[").append(std::to_string(createTime)).append("]");
57 RunningStatusLogger::GetInstance().LogEventRunningLogInfo(info);
58 }
59 } // namespace HiviewDFX
60 } // namespace OHOS
61