1 /* 2 * Copyright (C) 2024 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 #ifndef SRC_TRACE_PROCESSOR_IMPORTERS_PERF_FEATURES_H_ 18 #define SRC_TRACE_PROCESSOR_IMPORTERS_PERF_FEATURES_H_ 19 20 #include <cstdint> 21 #include <functional> 22 #include <limits> 23 #include <string> 24 #include <vector> 25 26 #include "perfetto/ext/base/flat_hash_map.h" 27 #include "perfetto/ext/base/hash.h" 28 #include "perfetto/ext/base/status_or.h" 29 #include "perfetto/trace_processor/status.h" 30 #include "src/trace_processor/importers/perf/perf_event.h" 31 32 namespace perfetto ::trace_processor { 33 class TraceBlobView; 34 35 namespace perf_importer::feature { 36 37 enum Id : uint8_t { 38 ID_RESERVED = 0, 39 ID_TRACING_DATA = 1, 40 ID_BUILD_ID = 2, 41 ID_HOSTNAME = 3, 42 ID_OS_RELEASE = 4, 43 ID_VERSION = 5, 44 ID_ARCH = 6, 45 ID_NR_CPUS = 7, 46 ID_CPU_DESC = 8, 47 ID_CPU_ID = 9, 48 ID_TOTAL_MEM = 10, 49 ID_CMD_LINE = 11, 50 ID_EVENT_DESC = 12, 51 ID_CPU_TOPOLOGY = 13, 52 ID_NUMA_TOPOLOGY = 14, 53 ID_BRANCH_STACK = 15, 54 ID_PMU_MAPPINGS = 16, 55 ID_GROUP_DESC = 17, 56 ID_AUX_TRACE = 18, 57 ID_STAT = 19, 58 ID_CACHE = 20, 59 ID_SAMPLE_TIME = 21, 60 ID_SAMPLE_TOPOLOGY = 22, 61 ID_CLOCK_ID = 23, 62 ID_DIR_FORMAT = 24, 63 ID_BPF_PROG_INFO = 25, 64 ID_BPF_BTF = 26, 65 ID_COMPRESSED = 27, 66 ID_CPU_PUM_CAPS = 28, 67 ID_CLOCK_DATA = 29, 68 ID_HYBRID_TOPOLOGY = 30, 69 ID_PMU_CAPS = 31, 70 ID_SIMPLEPERF_FILE = 128, 71 ID_SIMPLEPERF_META_INFO = 129, 72 ID_SIMPLEPERF_FILE2 = 132, 73 ID_MAX = std::numeric_limits<uint8_t>::max(), 74 }; 75 76 struct BuildId { 77 static util::Status Parse(TraceBlobView, 78 std::function<util::Status(BuildId)> cb); 79 int32_t pid; 80 std::string build_id; 81 std::string filename; 82 }; 83 84 struct HeaderGroupDesc { 85 static util::Status Parse(TraceBlobView, HeaderGroupDesc& out); 86 struct Entry { 87 std::string string; 88 uint32_t leader_idx; 89 uint32_t nr_members; 90 }; 91 std::vector<Entry> entries; 92 }; 93 94 struct EventDescription { 95 static util::Status Parse(TraceBlobView, 96 std::function<util::Status(EventDescription)> cb); 97 perf_event_attr attr; 98 std::string event_string; 99 std::vector<uint64_t> ids; 100 }; 101 102 struct SimpleperfMetaInfo { 103 static util::Status Parse(const TraceBlobView&, SimpleperfMetaInfo& out); 104 base::FlatHashMap<std::string, std::string> entries; 105 struct EventTypeAndConfig { 106 uint32_t type; 107 uint64_t config; 108 bool operator==(const EventTypeAndConfig& other) { 109 return type == other.type && config == other.config; 110 } 111 bool operator!=(const EventTypeAndConfig& other) { 112 return !(*this == other); 113 } 114 struct Hasher { operatorSimpleperfMetaInfo::EventTypeAndConfig::Hasher115 size_t operator()(const EventTypeAndConfig& o) const { 116 return static_cast<size_t>(base::Hasher::Combine(o.config, o.type)); 117 } 118 }; 119 }; 120 using EventName = std::string; 121 base::FlatHashMap<EventTypeAndConfig, EventName, EventTypeAndConfig::Hasher> 122 event_type_info; 123 }; 124 125 util::Status ParseSimpleperfFile2(TraceBlobView, 126 std::function<void(TraceBlobView)> cb); 127 128 base::StatusOr<std::vector<std::string>> ParseCmdline(TraceBlobView blob); 129 130 } // namespace perf_importer::feature 131 132 } // namespace perfetto::trace_processor 133 134 #endif // SRC_TRACE_PROCESSOR_IMPORTERS_PERF_FEATURES_H_ 135