The Tor Browser: toolkit/components/startup/StartupTimeline.h@925c144e1f1f

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this

     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 #ifdef mozilla_StartupTimeline_Event

     6 mozilla_StartupTimeline_Event(PROCESS_CREATION, "process")

     7 mozilla_StartupTimeline_Event(START, "start")

     8 mozilla_StartupTimeline_Event(MAIN, "main")

     9 mozilla_StartupTimeline_Event(SELECT_PROFILE, "selectProfile")

    10 mozilla_StartupTimeline_Event(AFTER_PROFILE_LOCKED, "afterProfileLocked")

    11 // Record the beginning and end of startup crash detection to compare with crash stats to know whether

    12 // detection should be improved to start or end sooner.

    13 mozilla_StartupTimeline_Event(STARTUP_CRASH_DETECTION_BEGIN, "startupCrashDetectionBegin")

    14 mozilla_StartupTimeline_Event(STARTUP_CRASH_DETECTION_END, "startupCrashDetectionEnd")

    15 mozilla_StartupTimeline_Event(FIRST_PAINT, "firstPaint")

    16 mozilla_StartupTimeline_Event(SESSION_RESTORE_INIT, "sessionRestoreInit")

    17 mozilla_StartupTimeline_Event(SESSION_RESTORED, "sessionRestored")

    18 mozilla_StartupTimeline_Event(CREATE_TOP_LEVEL_WINDOW, "createTopLevelWindow")

    19 mozilla_StartupTimeline_Event(LINKER_INITIALIZED, "linkerInitialized")

    20 mozilla_StartupTimeline_Event(LIBRARIES_LOADED, "librariesLoaded")

    21 mozilla_StartupTimeline_Event(FIRST_LOAD_URI, "firstLoadURI")

    22 #else

    24 #ifndef mozilla_StartupTimeline

    25 #define mozilla_StartupTimeline

    27 #include "mozilla/TimeStamp.h"

    28 #include "nscore.h"

    29 #include "GeckoProfiler.h"

    31 #ifdef MOZ_LINKER

    32 extern "C" {

    33 /* This symbol is resolved by the custom linker. The function it resolves

    34  * to dumps some statistics about the linker at the key events recorded

    35  * by the startup timeline. */

    36 extern void __moz_linker_stats(const char *str)

    37 NS_VISIBILITY_DEFAULT __attribute__((weak));

    38 } /* extern "C" */

    39 #else

    41 #endif

    43 namespace mozilla {

    45 void RecordShutdownEndTimeStamp();

    46 void RecordShutdownStartTimeStamp();

    47 void StartupTimelineRecordExternal(int, uint64_t);

    49 class StartupTimeline {

    50 public:

    51   enum Event {

    52     #define mozilla_StartupTimeline_Event(ev, z) ev,

    53     #include "StartupTimeline.h"

    54     #undef mozilla_StartupTimeline_Event

    55     MAX_EVENT_ID

    56   };

    58   static TimeStamp Get(Event ev) {

    59     return sStartupTimeline[ev];

    60   }

    62   static const char *Describe(Event ev) {

    63     return sStartupTimelineDesc[ev];

    64   }

    66   static void Record(Event ev) {

    67     PROFILER_MARKER(Describe(ev));

    68     Record(ev, TimeStamp::Now());

    69   }

    71   static void Record(Event ev, TimeStamp when) {

    72     sStartupTimeline[ev] = when;

    73 #ifdef MOZ_LINKER

    74     if (__moz_linker_stats)

    75       __moz_linker_stats(Describe(ev));

    76 #endif

    77   }

    79   static void RecordOnce(Event ev) {

    80     if (!HasRecord(ev))

    81       Record(ev);

    82   }

    84   static bool HasRecord(Event ev) {

    85     return !sStartupTimeline[ev].IsNull();

    86   }

    88 private:

    89   static NS_EXTERNAL_VIS_(TimeStamp) sStartupTimeline[MAX_EVENT_ID];

    90   static NS_EXTERNAL_VIS_(const char *) sStartupTimelineDesc[MAX_EVENT_ID];

    91 };

    93 }

    95 #endif /* mozilla_StartupTimeline */

    97 #endif /* mozilla_StartupTimeline_Event */

The Tor Browser / file revision