1 /* 2 * Copyright (C) 2017 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_TRACED_PROBES_FTRACE_EVENT_INFO_H_ 18 #define SRC_TRACED_PROBES_FTRACE_EVENT_INFO_H_ 19 20 #include <vector> 21 22 #include "perfetto/base/logging.h" 23 #include "src/traced/probes/ftrace/event_info_constants.h" 24 25 namespace perfetto { 26 27 // The compile time information needed to read the raw ftrace buffer. 28 // Specifically for each event we have a proto we fill: 29 // The event name (e.g. sched_switch) 30 // The event group (e.g. sched) 31 // The proto field ID of this event in the FtraceEvent proto. 32 // For each field in the proto: 33 // The field name (e.g. prev_comm) 34 // The proto field id for this field 35 // The proto field type for this field (e.g. kProtoString or kProtoUint32) 36 // The other fields: ftrace_event_id, ftrace_size, ftrace_offset, ftrace_type 37 // are zeroed. 38 std::vector<Event> GetStaticEventInfo(); 39 40 } // namespace perfetto 41 42 #endif // SRC_TRACED_PROBES_FTRACE_EVENT_INFO_H_ 43