Home | History | Annotate | Download | only in trace
      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 syntax = "proto2";
     18 option optimize_for = LITE_RUNTIME;
     19 
     20 import "perfetto/config/trace_config.proto";
     21 import "perfetto/trace/chrome/chrome_trace_event.proto";
     22 import "perfetto/trace/clock_snapshot.proto";
     23 import "perfetto/trace/filesystem/inode_file_map.proto";
     24 import "perfetto/trace/ftrace/ftrace_event_bundle.proto";
     25 import "perfetto/trace/ftrace/ftrace_stats.proto";
     26 import "perfetto/trace/ps/process_tree.proto";
     27 import "perfetto/trace/test_event.proto";
     28 import "perfetto/trace/trace_stats.proto";
     29 
     30 package perfetto.protos;
     31 
     32 // The root object emitted by Perfetto. A perfetto trace is just a stream of
     33 // TracePacket(s).
     34 //
     35 // Next id: 7.
     36 message TracePacket {
     37   oneof data {
     38     FtraceEventBundle ftrace_events = 1;
     39     ProcessTree process_tree = 2;
     40     InodeFileMap inode_file_map = 4;
     41     ChromeEventBundle chrome_events = 5;
     42     ClockSnapshot clock_snapshot = 6;
     43 
     44     // IDs up to 32 are reserved for events that are quite frequent because they
     45     // take only one byte to encode their preamble.
     46 
     47     TraceConfig trace_config = 33;
     48     FtraceStats ftrace_stats = 34;
     49     TraceStats trace_stats = 35;
     50 
     51     // This field is only used for testing.
     52     TestEvent for_testing = 536870911;  // 2^29 - 1, max field id for protos.
     53   }
     54   // Trusted user id of the producer which generated this packet. Keep in sync
     55   // with TrustedPacket.trusted_uid.
     56   oneof optional_trusted_uid { int32 trusted_uid = 3; };
     57 }
     58