1 /*
2 * Copyright (c) 2022-2024 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 #include "sys_usage_event_factory.h"
16
17 #include <cinttypes>
18
19 #include "hiview_logger.h"
20 #include "sys_usage_event.h"
21 #include "time_service_client.h"
22 #include "time_util.h"
23 #include "usage_event_common.h"
24
25 namespace OHOS {
26 namespace HiviewDFX {
27 DEFINE_LOG_TAG("HiView-SysUsageEventFactory");
28 namespace {
29 constexpr uint64_t TIME_ERROR = 10;
30 }
31 using namespace SysUsageEventSpace;
32
Create()33 std::unique_ptr<LoggerEvent> SysUsageEventFactory::Create()
34 {
35 std::unique_ptr<LoggerEvent> event =
36 std::make_unique<SysUsageEvent>(EVENT_NAME, HiSysEvent::STATISTIC);
37 event->Update(KEY_OF_START, DEFAULT_UINT64);
38 event->Update(KEY_OF_END, TimeUtil::GetMilliseconds());
39
40 // correct the time error caused by interface call
41 auto monotonicTime = GetMonotonicTime();
42 auto bootTime = GetBootTime();
43 if (bootTime < (monotonicTime + TIME_ERROR)) {
44 bootTime = monotonicTime;
45 }
46
47 event->Update(KEY_OF_POWER, bootTime);
48 event->Update(KEY_OF_RUNNING, monotonicTime);
49 return event;
50 }
51
GetBootTime()52 uint64_t SysUsageEventFactory::GetBootTime()
53 {
54 auto powerTime = MiscServices::TimeServiceClient::GetInstance()->GetBootTimeMs();
55 HIVIEW_LOGI("get boot time=%{public}" PRId64, powerTime);
56 if (powerTime < 0) {
57 HIVIEW_LOGE("failed to get boot time");
58 return DEFAULT_UINT64;
59 }
60 return static_cast<uint64_t>(powerTime);
61 }
62
GetMonotonicTime()63 uint64_t SysUsageEventFactory::GetMonotonicTime()
64 {
65 auto runningTime = MiscServices::TimeServiceClient::GetInstance()->GetMonotonicTimeMs();
66 HIVIEW_LOGI("get runningTime=%{public}" PRId64, runningTime);
67 if (runningTime < 0) {
68 HIVIEW_LOGE("failed to get Monotonic time");
69 return DEFAULT_UINT64;
70 }
71 return static_cast<uint64_t>(runningTime);
72 }
73 } // namespace HiviewDFX
74 } // namespace OHOS
75