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 #ifndef SYS_EVENT_MEASURE_FILTER_H 17 #define SYS_EVENT_MEASURE_FILTER_H 18 19 #include <map> 20 #include <string_view> 21 #include <tuple> 22 23 #include "double_map.h" 24 #include "filter_base.h" 25 #include "trace_data_cache.h" 26 #include "trace_streamer_filters.h" 27 28 namespace SysTuning { 29 namespace TraceStreamer { 30 enum SysEventType { E_SYS_MEMORY_FILTER, E_SYS_VIRTUAL_MEMORY_FILTER, E_SYS_EVENT_SOURCE_FILTER }; 31 32 class SystemEventMeasureFilter : private FilterBase { 33 public: 34 SystemEventMeasureFilter(TraceDataCache* dataCache, const TraceStreamerFilters* filter, SysEventType); 35 SystemEventMeasureFilter(const SystemEventMeasureFilter&) = delete; 36 SystemEventMeasureFilter& operator=(const SystemEventMeasureFilter&) = delete; 37 ~SystemEventMeasureFilter() override; 38 void AppendNewMeasureData(DataIndex nameIndex, uint64_t timestamp, int64_t value); 39 uint32_t AppendNewMeasureFilter(DataIndex nameIndex); 40 void Clear(); 41 private: 42 uint32_t GetOrCreateFilterId(DataIndex nameIndex); 43 void AddCertainFilterId(DataIndex nameIndex, uint64_t filterId); 44 std::map<DataIndex, uint64_t> tidStreamIdFilterIdMap_ = {}; 45 SysEventType filterType_; 46 47 const std::map<SysEventType, std::string> filterTypeValue = { 48 {E_SYS_MEMORY_FILTER, "sys_memory_filter"}, 49 {E_SYS_VIRTUAL_MEMORY_FILTER, "sys_virtual_memory_filter"}, 50 {E_SYS_EVENT_SOURCE_FILTER, "sys_event_source_filter"}}; 51 const DataIndex sysMemoryFilterId_ = traceDataCache_->GetDataIndex("sys_memory_filter"); 52 const DataIndex sysVMemoryFilterId_ = traceDataCache_->GetDataIndex("sys_virtual_memory_filter"); 53 const DataIndex sysEventSourceFilterId_ = traceDataCache_->GetDataIndex("sys_event_source_filter"); 54 }; 55 } // namespace TraceStreamer 56 } // namespace SysTuning 57 #endif // SYS_EVENT_MEASURE_FILTER_H 58