1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/components/startup/StartupTimeline.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,97 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#ifdef mozilla_StartupTimeline_Event
1.9 +mozilla_StartupTimeline_Event(PROCESS_CREATION, "process")
1.10 +mozilla_StartupTimeline_Event(START, "start")
1.11 +mozilla_StartupTimeline_Event(MAIN, "main")
1.12 +mozilla_StartupTimeline_Event(SELECT_PROFILE, "selectProfile")
1.13 +mozilla_StartupTimeline_Event(AFTER_PROFILE_LOCKED, "afterProfileLocked")
1.14 +// Record the beginning and end of startup crash detection to compare with crash stats to know whether
1.15 +// detection should be improved to start or end sooner.
1.16 +mozilla_StartupTimeline_Event(STARTUP_CRASH_DETECTION_BEGIN, "startupCrashDetectionBegin")
1.17 +mozilla_StartupTimeline_Event(STARTUP_CRASH_DETECTION_END, "startupCrashDetectionEnd")
1.18 +mozilla_StartupTimeline_Event(FIRST_PAINT, "firstPaint")
1.19 +mozilla_StartupTimeline_Event(SESSION_RESTORE_INIT, "sessionRestoreInit")
1.20 +mozilla_StartupTimeline_Event(SESSION_RESTORED, "sessionRestored")
1.21 +mozilla_StartupTimeline_Event(CREATE_TOP_LEVEL_WINDOW, "createTopLevelWindow")
1.22 +mozilla_StartupTimeline_Event(LINKER_INITIALIZED, "linkerInitialized")
1.23 +mozilla_StartupTimeline_Event(LIBRARIES_LOADED, "librariesLoaded")
1.24 +mozilla_StartupTimeline_Event(FIRST_LOAD_URI, "firstLoadURI")
1.25 +#else
1.26 +
1.27 +#ifndef mozilla_StartupTimeline
1.28 +#define mozilla_StartupTimeline
1.29 +
1.30 +#include "mozilla/TimeStamp.h"
1.31 +#include "nscore.h"
1.32 +#include "GeckoProfiler.h"
1.33 +
1.34 +#ifdef MOZ_LINKER
1.35 +extern "C" {
1.36 +/* This symbol is resolved by the custom linker. The function it resolves
1.37 + * to dumps some statistics about the linker at the key events recorded
1.38 + * by the startup timeline. */
1.39 +extern void __moz_linker_stats(const char *str)
1.40 +NS_VISIBILITY_DEFAULT __attribute__((weak));
1.41 +} /* extern "C" */
1.42 +#else
1.43 +
1.44 +#endif
1.45 +
1.46 +namespace mozilla {
1.47 +
1.48 +void RecordShutdownEndTimeStamp();
1.49 +void RecordShutdownStartTimeStamp();
1.50 +void StartupTimelineRecordExternal(int, uint64_t);
1.51 +
1.52 +class StartupTimeline {
1.53 +public:
1.54 + enum Event {
1.55 + #define mozilla_StartupTimeline_Event(ev, z) ev,
1.56 + #include "StartupTimeline.h"
1.57 + #undef mozilla_StartupTimeline_Event
1.58 + MAX_EVENT_ID
1.59 + };
1.60 +
1.61 + static TimeStamp Get(Event ev) {
1.62 + return sStartupTimeline[ev];
1.63 + }
1.64 +
1.65 + static const char *Describe(Event ev) {
1.66 + return sStartupTimelineDesc[ev];
1.67 + }
1.68 +
1.69 + static void Record(Event ev) {
1.70 + PROFILER_MARKER(Describe(ev));
1.71 + Record(ev, TimeStamp::Now());
1.72 + }
1.73 +
1.74 + static void Record(Event ev, TimeStamp when) {
1.75 + sStartupTimeline[ev] = when;
1.76 +#ifdef MOZ_LINKER
1.77 + if (__moz_linker_stats)
1.78 + __moz_linker_stats(Describe(ev));
1.79 +#endif
1.80 + }
1.81 +
1.82 + static void RecordOnce(Event ev) {
1.83 + if (!HasRecord(ev))
1.84 + Record(ev);
1.85 + }
1.86 +
1.87 + static bool HasRecord(Event ev) {
1.88 + return !sStartupTimeline[ev].IsNull();
1.89 + }
1.90 +
1.91 +private:
1.92 + static NS_EXTERNAL_VIS_(TimeStamp) sStartupTimeline[MAX_EVENT_ID];
1.93 + static NS_EXTERNAL_VIS_(const char *) sStartupTimelineDesc[MAX_EVENT_ID];
1.94 +};
1.95 +
1.96 +}
1.97 +
1.98 +#endif /* mozilla_StartupTimeline */
1.99 +
1.100 +#endif /* mozilla_StartupTimeline_Event */
