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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
module tracing.mojom;
import "services/tracing/public/mojom/perfetto_service.mojom";
import "services/tracing/public/mojom/traced_process.mojom";
// Represents a single client process to be traced.
struct ClientInfo {
// The system PID of the process.
int32 pid;
// The interface used to control tracing in the process.
pending_remote<TracedProcess> process;
// The main interface to the Tracing service. This is only consumed by
// privileged clients (e.g. browser process).
interface TracingService {
// Initializes the service with the current known set of running processes.
Initialize(array<ClientInfo> clients);
// Adds a client process to be traced.
AddClient(ClientInfo client);
// Binds a ConsumerHost interface to control the state of tracing across the
// system.
BindConsumerHost(pending_receiver<ConsumerHost> receiver);