1 /* 2 * Copyright (C) 2019 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_PROTO_SYSTEM_PROBES_PARSER_H_ 18 #define SRC_TRACE_PROCESSOR_IMPORTERS_PROTO_SYSTEM_PROBES_PARSER_H_ 19 20 #include <array> 21 #include <vector> 22 23 #include "perfetto/protozero/field.h" 24 #include "protos/perfetto/trace/sys_stats/sys_stats.pbzero.h" 25 #include "src/trace_processor/storage/trace_storage.h" 26 27 namespace perfetto { 28 namespace trace_processor { 29 30 class TraceProcessorContext; 31 32 class SystemProbesParser { 33 public: 34 using ConstBytes = protozero::ConstBytes; 35 using ConstChars = protozero::ConstChars; 36 37 explicit SystemProbesParser(TraceProcessorContext*); 38 39 void ParseProcessTree(ConstBytes); 40 void ParseProcessStats(int64_t timestamp, ConstBytes); 41 void ParseSysStats(int64_t ts, ConstBytes); 42 void ParseSystemInfo(ConstBytes); 43 void ParseCpuInfo(ConstBytes); 44 45 private: 46 void ParseThreadStats(int64_t timestamp, uint32_t pid, ConstBytes); 47 void ParseDiskStats(int64_t ts, ConstBytes blob); 48 void ParseProcessFds(int64_t ts, uint32_t pid, ConstBytes); 49 50 TraceProcessorContext* const context_; 51 52 const StringId utid_name_id_; 53 const StringId ns_unit_id_; 54 const StringId bytes_unit_id_; 55 const StringId available_chunks_unit_id_; 56 57 const StringId num_forks_name_id_; 58 const StringId num_irq_total_name_id_; 59 const StringId num_softirq_total_name_id_; 60 const StringId num_irq_name_id_; 61 const StringId num_softirq_name_id_; 62 const StringId cpu_times_user_ns_id_; 63 const StringId cpu_times_user_nice_ns_id_; 64 const StringId cpu_times_system_mode_ns_id_; 65 const StringId cpu_times_idle_ns_id_; 66 const StringId cpu_times_io_wait_ns_id_; 67 const StringId cpu_times_irq_ns_id_; 68 const StringId cpu_times_softirq_ns_id_; 69 const StringId oom_score_adj_id_; 70 const StringId cpu_freq_id_; 71 std::vector<StringId> meminfo_strs_id_; 72 std::vector<StringId> vmstat_strs_id_; 73 74 // Maps a proto field number for memcounters in ProcessStats::Process to 75 // their StringId. Keep kProcStatsProcessSize equal to 1 + max proto field 76 // id of ProcessStats::Process. Also update the value in 77 // ChromeSystemProbesParser. 78 static constexpr size_t kProcStatsProcessSize = 24; 79 std::array<StringId, kProcStatsProcessSize> proc_stats_process_names_{}; 80 81 // Maps a SysStats::PsiSample::PsiResource type to its StringId. 82 std::array<StringId, protos::pbzero::SysStats_PsiSample_PsiResource_MAX + 1> 83 sys_stats_psi_resource_names_{}; 84 85 uint32_t page_size_ = 0; 86 87 int64_t prev_read_amount = -1; 88 int64_t prev_write_amount = -1; 89 int64_t prev_discard_amount = -1; 90 int64_t prev_flush_count = -1; 91 int64_t prev_read_time = -1; 92 int64_t prev_write_time = -1; 93 int64_t prev_discard_time = -1; 94 int64_t prev_flush_time = -1; 95 }; 96 97 } // namespace trace_processor 98 } // namespace perfetto 99 100 #endif // SRC_TRACE_PROCESSOR_IMPORTERS_PROTO_SYSTEM_PROBES_PARSER_H_ 101