| // Copyright 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/tracing_switches.h" |
| |
| namespace switches { |
| |
| // Enables background and upload trace to trace-upload-url. Trigger rules are |
| // pass as an argument. |
| const char kEnableBackgroundTracing[] = "enable-background-tracing"; |
| |
| // Causes TRACE_EVENT flags to be recorded from startup. |
| // This flag will be ignored if --trace-startup or --trace-shutdown is provided. |
| const char kTraceConfigFile[] = "trace-config-file"; |
| |
| // Causes TRACE_EVENT flags to be recorded beginning with shutdown. Optionally, |
| // can specify the specific trace categories to include (e.g. |
| // --trace-shutdown=base,net) otherwise, all events are recorded. |
| // --trace-shutdown-file can be used to control where the trace log gets stored |
| // to since there is otherwise no way to access the result. |
| const char kTraceShutdown[] = "trace-shutdown"; |
| |
| // If supplied, sets the file which shutdown tracing will be stored into, if |
| // omitted the default will be used "chrometrace.log" in the current directory. |
| // Has no effect unless --trace-shutdown is also supplied. |
| // Example: --trace-shutdown --trace-shutdown-file=/tmp/trace_event.log |
| const char kTraceShutdownFile[] = "trace-shutdown-file"; |
| |
| // Causes TRACE_EVENT flags to be recorded from startup. Optionally, can |
| // specify the specific trace categories to include (e.g. |
| // --trace-startup=base,net) otherwise, all events are recorded. Setting this |
| // flag results in the first call to BeginTracing() to receive all trace events |
| // since startup. In Chrome, you may find --trace-startup-file and |
| // --trace-startup-duration to control the auto-saving of the trace (not |
| // supported in the base-only TraceLog component). |
| const char kTraceStartup[] = "trace-startup"; |
| |
| // Sets the time in seconds until startup tracing ends. If omitted a default of |
| // 5 seconds is used. Has no effect without --trace-startup, or if |
| // --startup-trace-file=none was supplied. |
| const char kTraceStartupDuration[] = "trace-startup-duration"; |
| |
| // If supplied, sets the file which startup tracing will be stored into, if |
| // omitted the default will be used "chrometrace.log" in the current directory. |
| // Has no effect unless --trace-startup is also supplied. |
| // Example: --trace-startup --trace-startup-file=/tmp/trace_event.log |
| // As a special case, can be set to 'none' - this disables automatically saving |
| // the result to a file and the first manually recorded trace will then receive |
| // all events since startup. |
| const char kTraceStartupFile[] = "trace-startup-file"; |
| |
| // If supplied, sets the tracing record mode; otherwise, the default |
| // "record-until-full" mode will be used. |
| const char kTraceStartupRecordMode[] = "trace-startup-record-mode"; |
| |
| // Disables the perfetto tracing backend. We need a separate command line |
| // argument from the kTracingPerfettoBackend feature, because feature flags are |
| // parsed too late during startup for early startup tracing support. |
| const char kDisablePerfetto[] = "disable-perfetto"; |
| |
| // Repeat internable data for each TraceEvent in the perfetto proto format. |
| const char kPerfettoDisableInterning[] = "perfetto-disable-interning"; |
| |
| // If supplied, will enable Perfetto startup tracing and stream the |
| // output to the given file. |
| // TODO(oysteine): Remove once Perfetto starts early enough after |
| // process startup to be able to replace the legacy startup tracing. |
| const char kPerfettoOutputFile[] = "perfetto-output-file"; |
| |
| // If enabled (and perfetto is enabled), the data sources will write trace |
| // events in the new TraceEvent proto format instead of the ChromeEventBundle |
| // format. |
| // TODO(eseckler): Remove this when we remove ChromeEventBundle support. |
| const char kPerfettoUseNewProtos[] = "perfetto-use-new-protos"; |
| |
| // Sends a pretty-printed version of tracing info to the console. |
| const char kTraceToConsole[] = "trace-to-console"; |
| |
| // Sets the target URL for uploading tracing data. |
| const char kTraceUploadURL[] = "trace-upload-url"; |
| |
| } // namespace switches |