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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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100
toolkit/components/startup/StartupTimeline.h Normal file
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifdef mozilla_StartupTimeline_Event
mozilla_StartupTimeline_Event(PROCESS_CREATION, "process")
mozilla_StartupTimeline_Event(START, "start")
mozilla_StartupTimeline_Event(MAIN, "main")
mozilla_StartupTimeline_Event(SELECT_PROFILE, "selectProfile")
mozilla_StartupTimeline_Event(AFTER_PROFILE_LOCKED, "afterProfileLocked")
// Record the beginning and end of startup crash detection to compare with crash stats to know whether
// detection should be improved to start or end sooner.
mozilla_StartupTimeline_Event(STARTUP_CRASH_DETECTION_BEGIN, "startupCrashDetectionBegin")
mozilla_StartupTimeline_Event(STARTUP_CRASH_DETECTION_END, "startupCrashDetectionEnd")
mozilla_StartupTimeline_Event(FIRST_PAINT, "firstPaint")
mozilla_StartupTimeline_Event(SESSION_RESTORE_INIT, "sessionRestoreInit")
mozilla_StartupTimeline_Event(SESSION_RESTORED, "sessionRestored")
mozilla_StartupTimeline_Event(CREATE_TOP_LEVEL_WINDOW, "createTopLevelWindow")
mozilla_StartupTimeline_Event(LINKER_INITIALIZED, "linkerInitialized")
mozilla_StartupTimeline_Event(LIBRARIES_LOADED, "librariesLoaded")
mozilla_StartupTimeline_Event(FIRST_LOAD_URI, "firstLoadURI")
// The following are actually shutdown events, used to monitor the duration of shutdown
mozilla_StartupTimeline_Event(QUIT_APPLICATION, "quitApplication")
mozilla_StartupTimeline_Event(PROFILE_BEFORE_CHANGE, "profileBeforeChange")
#else
#ifndef mozilla_StartupTimeline
#define mozilla_StartupTimeline
#include "mozilla/TimeStamp.h"
#include "nscore.h"
#include "GeckoProfiler.h"
#ifdef MOZ_LINKER
extern "C" {
/* This symbol is resolved by the custom linker. The function it resolves
* to dumps some statistics about the linker at the key events recorded
* by the startup timeline. */
extern void __moz_linker_stats(const char *str)
NS_VISIBILITY_DEFAULT __attribute__((weak));
} /* extern "C" */
#else
#endif
namespace mozilla {
void RecordShutdownEndTimeStamp();
void RecordShutdownStartTimeStamp();
class StartupTimeline {
public:
enum Event {
#define mozilla_StartupTimeline_Event(ev, z) ev,
#include "StartupTimeline.h"
#undef mozilla_StartupTimeline_Event
MAX_EVENT_ID
};
static TimeStamp Get(Event ev) {
return sStartupTimeline[ev];
}
static const char *Describe(Event ev) {
return sStartupTimelineDesc[ev];
}
static void Record(Event ev) {
PROFILER_MARKER(Describe(ev));
Record(ev, TimeStamp::Now());
}
static void Record(Event ev, TimeStamp when) {
sStartupTimeline[ev] = when;
#ifdef MOZ_LINKER
if (__moz_linker_stats)
__moz_linker_stats(Describe(ev));
#endif
}
static void RecordOnce(Event ev) {
if (!HasRecord(ev))
Record(ev);
}
static bool HasRecord(Event ev) {
return !sStartupTimeline[ev].IsNull();
}
private:
static NS_EXTERNAL_VIS_(TimeStamp) sStartupTimeline[MAX_EVENT_ID];
static NS_EXTERNAL_VIS_(const char *) sStartupTimelineDesc[MAX_EVENT_ID];
};
} // namespace mozilla
#endif /* mozilla_StartupTimeline */
#endif /* mozilla_StartupTimeline_Event */