components/tracing/tracing_switches.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "components/tracing/tracing_switches.h"
   6
   7 namespace switches {
   8
   9 // Causes TRACE_EVENT flags to be recorded from startup.
  10 // This flag will be ignored if --trace-startup or --trace-shutdown is provided.
  11 const char kTraceConfigFile[]               = "trace-config-file";
  12
  13 // Causes TRACE_EVENT flags to be recorded beginning with shutdown. Optionally,
  14 // can specify the specific trace categories to include (e.g.
  15 // --trace-shutdown=base,net) otherwise, all events are recorded.
  16 // --trace-shutdown-file can be used to control where the trace log gets stored
  17 // to since there is otherwise no way to access the result.
  18 const char kTraceShutdown[]                 = "trace-shutdown";
  19
  20 // If supplied, sets the file which shutdown tracing will be stored into, if
  21 // omitted the default will be used "chrometrace.log" in the current directory.
  22 // Has no effect unless --trace-shutdown is also supplied.
  23 // Example: --trace-shutdown --trace-shutdown-file=/tmp/trace_event.log
  24 const char kTraceShutdownFile[]             = "trace-shutdown-file";
  25
  26 // Causes TRACE_EVENT flags to be recorded from startup. Optionally, can
  27 // specify the specific trace categories to include (e.g.
  28 // --trace-startup=base,net) otherwise, all events are recorded. Setting this
  29 // flag results in the first call to BeginTracing() to receive all trace events
  30 // since startup. In Chrome, you may find --trace-startup-file and
  31 // --trace-startup-duration to control the auto-saving of the trace (not
  32 // supported in the base-only TraceLog component).
  33 const char kTraceStartup[]                  = "trace-startup";
  34
  35 // Sets the time in seconds until startup tracing ends. If omitted a default of
  36 // 5 seconds is used. Has no effect without --trace-startup, or if
  37 // --startup-trace-file=none was supplied.
  38 const char kTraceStartupDuration[]          = "trace-startup-duration";
  39
  40 // If supplied, sets the file which startup tracing will be stored into, if
  41 // omitted the default will be used "chrometrace.log" in the current directory.
  42 // Has no effect unless --trace-startup is also supplied.
  43 // Example: --trace-startup --trace-startup-file=/tmp/trace_event.log
  44 // As a special case, can be set to 'none' - this disables automatically saving
  45 // the result to a file and the first manually recorded trace will then receive
  46 // all events since startup.
  47 const char kTraceStartupFile[]              = "trace-startup-file";
  48
  49 // Sets the target URL for uploading tracing data.
  50 const char kTraceUploadURL[]                = "trace-upload-url";
  51
  52 }  // namespace switches