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      1 // Copyright (c) 2012 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 "base/base_switches.h"
      6 #include "build/build_config.h"
      7 
      8 namespace switches {
      9 
     10 // Disables the crash reporting.
     11 const char kDisableBreakpad[]               = "disable-breakpad";
     12 
     13 // Indicates that crash reporting should be enabled. On platforms where helper
     14 // processes cannot access to files needed to make this decision, this flag is
     15 // generated internally.
     16 const char kEnableCrashReporter[]           = "enable-crash-reporter";
     17 
     18 // Makes memory allocators keep track of their allocations and context, so a
     19 // detailed breakdown of memory usage can be presented in chrome://tracing when
     20 // the memory-infra category is enabled.
     21 const char kEnableHeapProfiling[]           = "enable-heap-profiling";
     22 
     23 // Report native (walk the stack) allocation traces. By default pseudo stacks
     24 // derived from trace events are reported.
     25 const char kEnableHeapProfilingModeNative[] = "native";
     26 
     27 // Report per-task heap usage and churn in the task profiler.
     28 // Does not keep track of individual allocations unlike the default and native
     29 // mode. Keeps only track of summarized churn stats in the task profiler
     30 // (chrome://profiler).
     31 const char kEnableHeapProfilingTaskProfiler[] = "task-profiler";
     32 
     33 // Generates full memory crash dump.
     34 const char kFullMemoryCrashReport[]         = "full-memory-crash-report";
     35 
     36 // Force low-end device mode when set.
     37 const char kEnableLowEndDeviceMode[]        = "enable-low-end-device-mode";
     38 
     39 // Force disabling of low-end device mode when set.
     40 const char kDisableLowEndDeviceMode[]       = "disable-low-end-device-mode";
     41 
     42 // This option can be used to force field trials when testing changes locally.
     43 // The argument is a list of name and value pairs, separated by slashes. If a
     44 // trial name is prefixed with an asterisk, that trial will start activated.
     45 // For example, the following argument defines two trials, with the second one
     46 // activated: "GoogleNow/Enable/*MaterialDesignNTP/Default/" This option can
     47 // also be used by the browser process to send the list of trials to a
     48 // non-browser process, using the same format. See
     49 // FieldTrialList::CreateTrialsFromString() in field_trial.h for details.
     50 const char kForceFieldTrials[]              = "force-fieldtrials";
     51 
     52 // Suppresses all error dialogs when present.
     53 const char kNoErrorDialogs[]                = "noerrdialogs";
     54 
     55 // When running certain tests that spawn child processes, this switch indicates
     56 // to the test framework that the current process is a child process.
     57 const char kTestChildProcess[]              = "test-child-process";
     58 
     59 // When running certain tests that spawn child processes, this switch indicates
     60 // to the test framework that the current process should not initialize ICU to
     61 // avoid creating any scoped handles too early in startup.
     62 const char kTestDoNotInitializeIcu[]        = "test-do-not-initialize-icu";
     63 
     64 // Gives the default maximal active V-logging level; 0 is the default.
     65 // Normally positive values are used for V-logging levels.
     66 const char kV[]                             = "v";
     67 
     68 // Gives the per-module maximal V-logging levels to override the value
     69 // given by --v.  E.g. "my_module=2,foo*=3" would change the logging
     70 // level for all code in source files "my_module.*" and "foo*.*"
     71 // ("-inl" suffixes are also disregarded for this matching).
     72 //
     73 // Any pattern containing a forward or backward slash will be tested
     74 // against the whole pathname and not just the module.  E.g.,
     75 // "*/foo/bar/*=2" would change the logging level for all code in
     76 // source files under a "foo/bar" directory.
     77 const char kVModule[]                       = "vmodule";
     78 
     79 // Will wait for 60 seconds for a debugger to come to attach to the process.
     80 const char kWaitForDebugger[]               = "wait-for-debugger";
     81 
     82 // Sends trace events from these categories to a file.
     83 // --trace-to-file on its own sends to default categories.
     84 const char kTraceToFile[]                   = "trace-to-file";
     85 
     86 // Specifies the file name for --trace-to-file. If unspecified, it will
     87 // go to a default file name.
     88 const char kTraceToFileName[]               = "trace-to-file-name";
     89 
     90 // Configure whether chrome://profiler will contain timing information. This
     91 // option is enabled by default. A value of "0" will disable profiler timing,
     92 // while all other values will enable it.
     93 const char kProfilerTiming[]                = "profiler-timing";
     94 // Value of the --profiler-timing flag that will disable timing information for
     95 // chrome://profiler.
     96 const char kProfilerTimingDisabledValue[]   = "0";
     97 
     98 // Specifies a location for profiling output. This will only work if chrome has
     99 // been built with the gyp variable profiling=1 or gn arg enable_profiling=true.
    100 //
    101 //   {pid} if present will be replaced by the pid of the process.
    102 //   {count} if present will be incremented each time a profile is generated
    103 //           for this process.
    104 // The default is chrome-profile-{pid} for the browser and test-profile-{pid}
    105 // for tests.
    106 const char kProfilingFile[] = "profiling-file";
    107 
    108 #if defined(OS_WIN)
    109 // Disables the USB keyboard detection for blocking the OSK on Win8+.
    110 const char kDisableUsbKeyboardDetect[]      = "disable-usb-keyboard-detect";
    111 #endif
    112 
    113 #if defined(OS_POSIX)
    114 // Used for turning on Breakpad crash reporting in a debug environment where
    115 // crash reporting is typically compiled but disabled.
    116 const char kEnableCrashReporterForTesting[] =
    117     "enable-crash-reporter-for-testing";
    118 #endif
    119 
    120 }  // namespace switches
    121