xref: /aosp_15_r20/system/chre/core/system_health_monitor.cc (revision 84e339476a462649f82315436d70fd732297a399)
1 /*
2  * Copyright (C) 2022 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "chre/core/system_health_monitor.h"
18 
19 #include "chre/core/event_loop_manager.h"
20 #include "chre/platform/fatal_error.h"
21 #include "chre/platform/log.h"
22 #include "chre/util/macros.h"
23 
24 namespace chre {
25 
onFailure(HealthCheckId id)26 void SystemHealthMonitor::onFailure(HealthCheckId id) {
27   EventLoopManagerSingleton::get()->getSystemHealthMonitor().onCheckFailureImpl(
28       id);
29 }
30 
onCheckFailureImpl(HealthCheckId id)31 void SystemHealthMonitor::onCheckFailureImpl(HealthCheckId id) {
32   auto index = asBaseType(id);
33   if (mShouldCheckCrash) {
34     FATAL_ERROR("HealthMonitor check failed for type %" PRIu16, index);
35   } else {
36     constexpr auto kMaxCount = std::numeric_limits<
37         std::remove_reference_t<decltype(mCheckIdOccurrenceCounter[0])>>::max();
38     CHRE_ASSERT(index < ARRAY_SIZE(mCheckIdOccurrenceCounter));
39     if (mCheckIdOccurrenceCounter[index] == kMaxCount) {
40       LOGD("Cannot record one more HealthCheckId %" PRIu16
41            "occurrence: overflow",
42            index);
43     } else {
44       mCheckIdOccurrenceCounter[index]++;
45     }
46     LOGE("HealthMonitor check failed for type %" PRIu16
47          ", occurrence: %" PRIu16,
48          index, mCheckIdOccurrenceCounter[index]);
49   }
50 }
51 
52 }  // namespace chre
53