/*
 * Copyright (C) 2023 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";

package perfetto.protos;

// Proto definition based on the struct _EVENT_TRACE_PROPERTIES definition
// See: https://learn.microsoft.com/en-us/windows/win32/api/evntrace/
// ns-evntrace-event_trace_properties
message EtwConfig {
  // The KernelFlag represent list of kernel flags that we are intrested in.
  // To get a more extensive list run 'xperf -providers k'.
  enum KernelFlag {
    CSWITCH = 0;
    DISPATCHER = 1;
  }

  // The kernel_flags determines the flags that will be used by the etw tracing
  // session. These kernel flags have been built to expose the useful events
  // captured from the kernel mode only.
  repeated KernelFlag kernel_flags = 1;

  // See the list of keywords for for individual providers.
  // https://learn.microsoft.com/en-us/windows/win32/etw/system-providers

  // Provides events relating to the scheduler.
  repeated string scheduler_provider_events = 2;
  // Provides events relating to the memory manager.
  repeated string memory_provider_events = 3;
  // Provides events relating to file I/O.
  repeated string file_provider_events = 4;
}
