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55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "StartupTimeline.h"
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#include "mozilla/Telemetry.h"
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#include "mozilla/TimeStamp.h"
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#include "nsXULAppAPI.h"
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namespace mozilla {
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TimeStamp StartupTimeline::sStartupTimeline[StartupTimeline::MAX_EVENT_ID];
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const char *StartupTimeline::sStartupTimelineDesc[StartupTimeline::MAX_EVENT_ID] = {
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#define mozilla_StartupTimeline_Event(ev, desc) desc,
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#include "StartupTimeline.h"
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#undef mozilla_StartupTimeline_Event
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};
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} /* namespace mozilla */
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using mozilla::StartupTimeline;
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using mozilla::TimeStamp;
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/**
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* The XRE_StartupTimeline_Record function is to be used by embedding
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* applications that can't use mozilla::StartupTimeline::Record() directly.
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*
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* @param aEvent The event to be recorded, must correspond to an element of the
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* mozilla::StartupTimeline::Event enumartion
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* @param aWhen The time at which the event happened
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*/
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void
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XRE_StartupTimelineRecord(int aEvent, TimeStamp aWhen)
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{
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StartupTimeline::Record((StartupTimeline::Event)aEvent, aWhen);
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}
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void StartupTimeline::RecordOnce(Event ev) {
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if (HasRecord(ev)) {
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return;
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}
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Record(ev);
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// Record first paint timestamp as a scalar.
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if (ev == FIRST_PAINT) {
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bool error = false;
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uint32_t firstPaintTime = (uint32_t) (Get(ev) - TimeStamp::ProcessCreation(&error)).ToMilliseconds();
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if (!error) {
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Telemetry::ScalarSet(Telemetry::ScalarID::TIMESTAMPS_FIRST_PAINT, firstPaintTime);
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}
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}
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}
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