toolkit/components/startup/StartupTimeline.h

Fri, 16 Jan 2015 18:13:44 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Fri, 16 Jan 2015 18:13:44 +0100
branch
TOR_BUG_9701
changeset 14
925c144e1f1f
permissions
-rw-r--r--

Integrate suggestion from review to improve consistency with existing code.

michael@0 1 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 2 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 4
michael@0 5 #ifdef mozilla_StartupTimeline_Event
michael@0 6 mozilla_StartupTimeline_Event(PROCESS_CREATION, "process")
michael@0 7 mozilla_StartupTimeline_Event(START, "start")
michael@0 8 mozilla_StartupTimeline_Event(MAIN, "main")
michael@0 9 mozilla_StartupTimeline_Event(SELECT_PROFILE, "selectProfile")
michael@0 10 mozilla_StartupTimeline_Event(AFTER_PROFILE_LOCKED, "afterProfileLocked")
michael@0 11 // Record the beginning and end of startup crash detection to compare with crash stats to know whether
michael@0 12 // detection should be improved to start or end sooner.
michael@0 13 mozilla_StartupTimeline_Event(STARTUP_CRASH_DETECTION_BEGIN, "startupCrashDetectionBegin")
michael@0 14 mozilla_StartupTimeline_Event(STARTUP_CRASH_DETECTION_END, "startupCrashDetectionEnd")
michael@0 15 mozilla_StartupTimeline_Event(FIRST_PAINT, "firstPaint")
michael@0 16 mozilla_StartupTimeline_Event(SESSION_RESTORE_INIT, "sessionRestoreInit")
michael@0 17 mozilla_StartupTimeline_Event(SESSION_RESTORED, "sessionRestored")
michael@0 18 mozilla_StartupTimeline_Event(CREATE_TOP_LEVEL_WINDOW, "createTopLevelWindow")
michael@0 19 mozilla_StartupTimeline_Event(LINKER_INITIALIZED, "linkerInitialized")
michael@0 20 mozilla_StartupTimeline_Event(LIBRARIES_LOADED, "librariesLoaded")
michael@0 21 mozilla_StartupTimeline_Event(FIRST_LOAD_URI, "firstLoadURI")
michael@0 22 #else
michael@0 23
michael@0 24 #ifndef mozilla_StartupTimeline
michael@0 25 #define mozilla_StartupTimeline
michael@0 26
michael@0 27 #include "mozilla/TimeStamp.h"
michael@0 28 #include "nscore.h"
michael@0 29 #include "GeckoProfiler.h"
michael@0 30
michael@0 31 #ifdef MOZ_LINKER
michael@0 32 extern "C" {
michael@0 33 /* This symbol is resolved by the custom linker. The function it resolves
michael@0 34 * to dumps some statistics about the linker at the key events recorded
michael@0 35 * by the startup timeline. */
michael@0 36 extern void __moz_linker_stats(const char *str)
michael@0 37 NS_VISIBILITY_DEFAULT __attribute__((weak));
michael@0 38 } /* extern "C" */
michael@0 39 #else
michael@0 40
michael@0 41 #endif
michael@0 42
michael@0 43 namespace mozilla {
michael@0 44
michael@0 45 void RecordShutdownEndTimeStamp();
michael@0 46 void RecordShutdownStartTimeStamp();
michael@0 47 void StartupTimelineRecordExternal(int, uint64_t);
michael@0 48
michael@0 49 class StartupTimeline {
michael@0 50 public:
michael@0 51 enum Event {
michael@0 52 #define mozilla_StartupTimeline_Event(ev, z) ev,
michael@0 53 #include "StartupTimeline.h"
michael@0 54 #undef mozilla_StartupTimeline_Event
michael@0 55 MAX_EVENT_ID
michael@0 56 };
michael@0 57
michael@0 58 static TimeStamp Get(Event ev) {
michael@0 59 return sStartupTimeline[ev];
michael@0 60 }
michael@0 61
michael@0 62 static const char *Describe(Event ev) {
michael@0 63 return sStartupTimelineDesc[ev];
michael@0 64 }
michael@0 65
michael@0 66 static void Record(Event ev) {
michael@0 67 PROFILER_MARKER(Describe(ev));
michael@0 68 Record(ev, TimeStamp::Now());
michael@0 69 }
michael@0 70
michael@0 71 static void Record(Event ev, TimeStamp when) {
michael@0 72 sStartupTimeline[ev] = when;
michael@0 73 #ifdef MOZ_LINKER
michael@0 74 if (__moz_linker_stats)
michael@0 75 __moz_linker_stats(Describe(ev));
michael@0 76 #endif
michael@0 77 }
michael@0 78
michael@0 79 static void RecordOnce(Event ev) {
michael@0 80 if (!HasRecord(ev))
michael@0 81 Record(ev);
michael@0 82 }
michael@0 83
michael@0 84 static bool HasRecord(Event ev) {
michael@0 85 return !sStartupTimeline[ev].IsNull();
michael@0 86 }
michael@0 87
michael@0 88 private:
michael@0 89 static NS_EXTERNAL_VIS_(TimeStamp) sStartupTimeline[MAX_EVENT_ID];
michael@0 90 static NS_EXTERNAL_VIS_(const char *) sStartupTimelineDesc[MAX_EVENT_ID];
michael@0 91 };
michael@0 92
michael@0 93 }
michael@0 94
michael@0 95 #endif /* mozilla_StartupTimeline */
michael@0 96
michael@0 97 #endif /* mozilla_StartupTimeline_Event */

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