protos/perfetto/config/ftrace/ftrace_config.proto

/*
 * 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;

package perfetto.protos;

message FtraceConfig {
  repeated string ftrace_events = 1;
  repeated string atrace_categories = 2;
  repeated string atrace_apps = 3;
  // *Per-CPU* buffer size.
  optional uint32 buffer_size_kb = 10;
  optional uint32 drain_period_ms = 11;

  // Configuration for compact encoding of scheduler events. If enabled, this
  // records a small subset of fields of selected scheduling events, and
  // encodes them in a denser proto format than normal. This is useful due to
  // scheduling events being abundant in a typical trace, and dominating its
  // size via a combination of unnecessary data being retained, and proto
  // format overheads.
  // TODO(rsavitski): unstable, do not use.
  message CompactSchedConfig {
    // If true, and sched_switch ftrace event is enabled, record those events
    // in the compact format.
    optional bool enabled = 1;
  }
  optional CompactSchedConfig compact_sched = 12;
}