1 /*
2 * Copyright (c) 2024-2025 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
16 #include "graphic_memory_collector_impl.h"
17
18 #include <dlfcn.h>
19
20 #include "graphic_memory_decorator.h"
21 #include "hiview_logger.h"
22 #include "memory.h"
23
24 namespace OHOS {
25 namespace HiviewDFX {
26 namespace UCollectUtil {
27 namespace {
28 DEFINE_LOG_TAG("GraphicCollector");
29 constexpr const char *LIB_NAME = "libucollection_graphic.z.so";
30 constexpr const char *GET_INSTANCE = "GetInstance";
31 }
Create()32 std::shared_ptr<GraphicMemoryCollector> GraphicMemoryCollector::Create()
33 {
34 return std::make_shared<GraphicMemoryDecorator>(std::make_shared<GraphicMemoryCollectorImpl>());
35 }
36
GetGraphicUsage(int32_t pid,GraphicType type,bool isLowLatencyMode)37 CollectResult<int32_t> GraphicMemoryCollectorImpl::GetGraphicUsage(int32_t pid, GraphicType type,
38 bool isLowLatencyMode)
39 {
40 std::lock_guard<std::mutex> lock(mutexLock_);
41 static GraphicMemoryCollector *graphCollectorInstance = nullptr;
42 if (graphCollectorInstance != nullptr) {
43 return graphCollectorInstance->GetGraphicUsage(pid, type, false);
44 }
45
46 CollectResult<int32_t> result;
47 void *handler = dlopen(LIB_NAME, RTLD_LAZY);
48 if (handler == nullptr) {
49 HIVIEW_LOGW("dlopen failed, error: %{public}s", dlerror());
50 return result;
51 }
52
53 auto getInterface = reinterpret_cast<GraphicMemoryCollector *(*)()>(dlsym(handler, GET_INSTANCE));
54 if (getInterface == nullptr) {
55 HIVIEW_LOGW("dlsym failed, error: %{public}s", dlerror());
56 dlclose(handler);
57 return result;
58 }
59 graphCollectorInstance = getInterface();
60 result = graphCollectorInstance->GetGraphicUsage(pid, type, false);
61 if (!isLowLatencyMode) {
62 dlclose(handler);
63 handler = nullptr;
64 graphCollectorInstance = nullptr;
65 }
66 return result;
67 }
68 } // UCollectUtil
69 } // HiViewDFX
70 } // OHOS
71