| // Copyright (c) 2015 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. |
| |
| #include "components/tracing/common/trace_to_console.h" |
| |
| #include <string> |
| |
| #include "base/command_line.h" |
| #include "components/tracing/common/tracing_switches.h" |
| |
| namespace tracing { |
| |
| namespace { |
| // These categories will cause deadlock when ECHO_TO_CONSOLE. crbug.com/325575. |
| const char kEchoToConsoleCategoryFilter[] = "-ipc,-toplevel"; |
| } // namespace |
| |
| base::trace_event::TraceConfig GetConfigForTraceToConsole() { |
| const base::CommandLine& command_line = |
| *base::CommandLine::ForCurrentProcess(); |
| DCHECK(command_line.HasSwitch(switches::kTraceToConsole)); |
| std::string filter = command_line.GetSwitchValueASCII( |
| switches::kTraceToConsole); |
| if (filter.empty()) { |
| filter = kEchoToConsoleCategoryFilter; |
| } else { |
| filter.append(","); |
| filter.append(kEchoToConsoleCategoryFilter); |
| } |
| return base::trace_event::TraceConfig( |
| filter, base::trace_event::ECHO_TO_CONSOLE); |
| } |
| |
| } // namespace tracing |
