/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

syntax = "proto2";
option optimize_for = LITE_RUNTIME;

import "perfetto/config/trace_config.proto";
import "perfetto/trace/chrome/chrome_trace_event.proto";
import "perfetto/trace/clock_snapshot.proto";
import "perfetto/trace/filesystem/inode_file_map.proto";
import "perfetto/trace/ftrace/ftrace_event_bundle.proto";
import "perfetto/trace/ftrace/ftrace_stats.proto";
import "perfetto/trace/ps/process_tree.proto";
import "perfetto/trace/test_event.proto";
import "perfetto/trace/trace_stats.proto";

package perfetto.protos;

// The root object emitted by Perfetto. A perfetto trace is just a stream of
// TracePacket(s).
//
// Next id: 7.
message TracePacket {
  oneof data {
    FtraceEventBundle ftrace_events = 1;
    ProcessTree process_tree = 2;
    InodeFileMap inode_file_map = 4;
    ChromeEventBundle chrome_events = 5;
    ClockSnapshot clock_snapshot = 6;

    // IDs up to 32 are reserved for events that are quite frequent because they
    // take only one byte to encode their preamble.

    TraceConfig trace_config = 33;
    FtraceStats ftrace_stats = 34;
    TraceStats trace_stats = 35;

    // This field is only used for testing.
    TestEvent for_testing = 536870911;  // 2^29 - 1, max field id for protos.
  }
  // Trusted user id of the producer which generated this packet. Keep in sync
  // with TrustedPacket.trusted_uid.
  oneof optional_trusted_uid { int32 trusted_uid = 3; };
}