mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
Bug 1130444 - Add telemetry for measuring SocketTransortService cycles; r=mcmanus
This commit is contained in:
parent
ee6ade0540
commit
394607b46d
@ -19,7 +19,7 @@
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#include "mozilla/PublicSSL.h"
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#include "mozilla/PublicSSL.h"
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#include "mozilla/ChaosMode.h"
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#include "mozilla/ChaosMode.h"
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#include "mozilla/PodOperations.h"
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#include "mozilla/PodOperations.h"
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#include "mozilla/TimeStamp.h"
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#include "mozilla/Telemetry.h"
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#include "nsThreadUtils.h"
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#include "nsThreadUtils.h"
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#include "nsIFile.h"
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#include "nsIFile.h"
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@ -43,6 +43,7 @@ PRThread *gSocketThread = nullptr;
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#define BLIP_INTERVAL_PREF "network.activity.blipIntervalMilliseconds"
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#define BLIP_INTERVAL_PREF "network.activity.blipIntervalMilliseconds"
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#define SERVE_MULTIPLE_EVENTS_PREF "network.sts.serve_multiple_events_per_poll_iteration"
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#define SERVE_MULTIPLE_EVENTS_PREF "network.sts.serve_multiple_events_per_poll_iteration"
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#define MAX_TIME_BETWEEN_TWO_POLLS "network.sts.max_time_for_events_between_two_polls"
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#define MAX_TIME_BETWEEN_TWO_POLLS "network.sts.max_time_for_events_between_two_polls"
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#define TELEMETRY_PREF "toolkit.telemetry.enabled"
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uint32_t nsSocketTransportService::gMaxCount;
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uint32_t nsSocketTransportService::gMaxCount;
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PRCallOnceType nsSocketTransportService::gMaxCountInitOnce;
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PRCallOnceType nsSocketTransportService::gMaxCountInitOnce;
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@ -73,6 +74,7 @@ nsSocketTransportService::nsSocketTransportService()
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, mServeMultipleEventsPerPollIter(true)
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, mServeMultipleEventsPerPollIter(true)
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, mServingPendingQueue(false)
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, mServingPendingQueue(false)
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, mMaxTimePerPollIter(100)
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, mMaxTimePerPollIter(100)
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, mTelemetryEnabledPref(false)
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, mProbedMaxCount(false)
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, mProbedMaxCount(false)
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{
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{
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#if defined(PR_LOGGING)
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#if defined(PR_LOGGING)
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@ -386,11 +388,13 @@ nsSocketTransportService::PollTimeout()
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}
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}
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int32_t
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int32_t
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nsSocketTransportService::Poll(bool wait, uint32_t *interval)
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nsSocketTransportService::Poll(bool wait, uint32_t *interval,
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TimeDuration *pollDuration)
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{
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{
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PRPollDesc *pollList;
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PRPollDesc *pollList;
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uint32_t pollCount;
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uint32_t pollCount;
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PRIntervalTime pollTimeout;
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PRIntervalTime pollTimeout;
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*pollDuration = 0;
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if (mPollList[0].fd) {
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if (mPollList[0].fd) {
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mPollList[0].out_flags = 0;
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mPollList[0].out_flags = 0;
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@ -413,12 +417,21 @@ nsSocketTransportService::Poll(bool wait, uint32_t *interval)
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PRIntervalTime ts = PR_IntervalNow();
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PRIntervalTime ts = PR_IntervalNow();
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TimeStamp pollStart;
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if (mTelemetryEnabledPref) {
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pollStart = TimeStamp::NowLoRes();
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}
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SOCKET_LOG((" timeout = %i milliseconds\n",
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SOCKET_LOG((" timeout = %i milliseconds\n",
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PR_IntervalToMilliseconds(pollTimeout)));
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PR_IntervalToMilliseconds(pollTimeout)));
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int32_t rv = PR_Poll(pollList, pollCount, pollTimeout);
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int32_t rv = PR_Poll(pollList, pollCount, pollTimeout);
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PRIntervalTime passedInterval = PR_IntervalNow() - ts;
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PRIntervalTime passedInterval = PR_IntervalNow() - ts;
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if (mTelemetryEnabledPref && !pollStart.IsNull()) {
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*pollDuration = TimeStamp::NowLoRes() - pollStart;
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}
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SOCKET_LOG((" ...returned after %i milliseconds\n",
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SOCKET_LOG((" ...returned after %i milliseconds\n",
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PR_IntervalToMilliseconds(passedInterval)));
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PR_IntervalToMilliseconds(passedInterval)));
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@ -489,6 +502,7 @@ nsSocketTransportService::Init()
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tmpPrefService->AddObserver(KEEPALIVE_PROBE_COUNT_PREF, this, false);
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tmpPrefService->AddObserver(KEEPALIVE_PROBE_COUNT_PREF, this, false);
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tmpPrefService->AddObserver(SERVE_MULTIPLE_EVENTS_PREF, this, false);
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tmpPrefService->AddObserver(SERVE_MULTIPLE_EVENTS_PREF, this, false);
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tmpPrefService->AddObserver(MAX_TIME_BETWEEN_TWO_POLLS, this, false);
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tmpPrefService->AddObserver(MAX_TIME_BETWEEN_TWO_POLLS, this, false);
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tmpPrefService->AddObserver(TELEMETRY_PREF, this, false);
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}
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}
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UpdatePrefs();
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UpdatePrefs();
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@ -736,14 +750,57 @@ nsSocketTransportService::Run()
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// make sure the pseudo random number generator is seeded on this thread
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// make sure the pseudo random number generator is seeded on this thread
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srand(static_cast<unsigned>(PR_Now()));
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srand(static_cast<unsigned>(PR_Now()));
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// For the calculation of the duration of the last cycle (i.e. the last for-loop
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// iteration before shutdown).
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TimeStamp startOfCycleForLastCycleCalc;
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int numberOfPendingEventsLastCycle;
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// For measuring of the poll iteration duration without time spent blocked
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// in poll().
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TimeStamp pollCycleStart;
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// Time blocked in poll().
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TimeDuration singlePollDuration;
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// For calculating the time needed for a new element to run.
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TimeStamp startOfIteration;
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TimeStamp startOfNextIteration;
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int numberOfPendingEvents;
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// If there is too many pending events queued, we will run some poll()
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// between them and the following variable is cumulative time spent
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// blocking in poll().
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TimeDuration pollDuration;
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for (;;) {
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for (;;) {
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bool pendingEvents = false;
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bool pendingEvents = false;
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thread->HasPendingEvents(&pendingEvents);
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thread->HasPendingEvents(&pendingEvents);
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numberOfPendingEvents = 0;
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numberOfPendingEventsLastCycle = 0;
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if (mTelemetryEnabledPref) {
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startOfCycleForLastCycleCalc = TimeStamp::NowLoRes();
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startOfNextIteration = TimeStamp::NowLoRes();
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}
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pollDuration = 0;
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do {
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do {
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if (mTelemetryEnabledPref) {
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pollCycleStart = TimeStamp::NowLoRes();
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}
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// If there are pending events for this thread then
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// If there are pending events for this thread then
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// DoPollIteration() should service the network without blocking.
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// DoPollIteration() should service the network without blocking.
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DoPollIteration(!pendingEvents);
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DoPollIteration(!pendingEvents, &singlePollDuration);
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if (mTelemetryEnabledPref && !pollCycleStart.IsNull()) {
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Telemetry::Accumulate(Telemetry::STS_POLL_BLOCK_TIME,
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singlePollDuration.ToMilliseconds());
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Telemetry::AccumulateTimeDelta(
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Telemetry::STS_POLL_CYCLE,
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pollCycleStart + singlePollDuration,
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TimeStamp::NowLoRes());
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pollDuration += singlePollDuration;
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}
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// If nothing was pending before the poll, it might be now
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// If nothing was pending before the poll, it might be now
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if (!pendingEvents) {
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if (!pendingEvents) {
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@ -762,16 +819,42 @@ nsSocketTransportService::Run()
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} else {
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} else {
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mServingPendingQueue = true;
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mServingPendingQueue = true;
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}
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}
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if (mTelemetryEnabledPref) {
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startOfIteration = startOfNextIteration;
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// Everything that comes after this point will
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// be served in the next iteration. If no even
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// arrives, startOfNextIteration will be reset at the
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// beginning of each for-loop.
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startOfNextIteration = TimeStamp::NowLoRes();
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}
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}
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}
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TimeStamp eventQueueStart = TimeStamp::NowLoRes();
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TimeStamp eventQueueStart = TimeStamp::NowLoRes();
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do {
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do {
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NS_ProcessNextEvent(thread);
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NS_ProcessNextEvent(thread);
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numberOfPendingEvents++;
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pendingEvents = false;
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pendingEvents = false;
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thread->HasPendingEvents(&pendingEvents);
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thread->HasPendingEvents(&pendingEvents);
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} while (pendingEvents && mServingPendingQueue &&
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} while (pendingEvents && mServingPendingQueue &&
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((TimeStamp::NowLoRes() -
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((TimeStamp::NowLoRes() -
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eventQueueStart).ToMilliseconds() <
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eventQueueStart).ToMilliseconds() <
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mMaxTimePerPollIter));
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mMaxTimePerPollIter));
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if (mTelemetryEnabledPref && !mServingPendingQueue &&
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!startOfIteration.IsNull()) {
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Telemetry::AccumulateTimeDelta(
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Telemetry::STS_POLL_AND_EVENTS_CYCLE,
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startOfIteration + pollDuration,
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TimeStamp::NowLoRes());
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Telemetry::Accumulate(
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Telemetry::STS_NUMBER_OF_PENDING_EVENTS,
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numberOfPendingEvents);
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numberOfPendingEventsLastCycle += numberOfPendingEvents;
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numberOfPendingEvents = 0;
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pollDuration = 0;
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}
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} else {
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} else {
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NS_ProcessNextEvent(thread);
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NS_ProcessNextEvent(thread);
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pendingEvents = false;
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pendingEvents = false;
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@ -784,8 +867,19 @@ nsSocketTransportService::Run()
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// now that our event queue is empty, check to see if we should exit
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// now that our event queue is empty, check to see if we should exit
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{
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{
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MutexAutoLock lock(mLock);
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MutexAutoLock lock(mLock);
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if (mShuttingDown)
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if (mShuttingDown) {
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if (mTelemetryEnabledPref &&
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!startOfCycleForLastCycleCalc.IsNull()) {
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Telemetry::Accumulate(
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Telemetry::STS_NUMBER_OF_PENDING_EVENTS_IN_THE_LAST_CYCLE,
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numberOfPendingEventsLastCycle);
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Telemetry::AccumulateTimeDelta(
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Telemetry::STS_POLL_AND_EVENT_THE_LAST_CYCLE,
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startOfCycleForLastCycleCalc,
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TimeStamp::NowLoRes());
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}
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break;
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break;
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}
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if (mGoingOffline) {
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if (mGoingOffline) {
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mGoingOffline = false;
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mGoingOffline = false;
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goingOffline = true;
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goingOffline = true;
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@ -842,7 +936,7 @@ nsSocketTransportService::Reset(bool aGuardLocals)
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}
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}
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nsresult
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nsresult
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nsSocketTransportService::DoPollIteration(bool wait)
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nsSocketTransportService::DoPollIteration(bool wait, TimeDuration *pollDuration)
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{
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{
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SOCKET_LOG(("STS poll iter [%d]\n", wait));
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SOCKET_LOG(("STS poll iter [%d]\n", wait));
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@ -903,7 +997,7 @@ nsSocketTransportService::DoPollIteration(bool wait)
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// Measures seconds spent while blocked on PR_Poll
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// Measures seconds spent while blocked on PR_Poll
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uint32_t pollInterval;
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uint32_t pollInterval;
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int32_t n = Poll(wait, &pollInterval);
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int32_t n = Poll(wait, &pollInterval, pollDuration);
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if (n < 0) {
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if (n < 0) {
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SOCKET_LOG((" PR_Poll error [%d] os error [%d]\n", PR_GetError(),
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SOCKET_LOG((" PR_Poll error [%d] os error [%d]\n", PR_GetError(),
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PR_GetOSError()));
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PR_GetOSError()));
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@ -912,12 +1006,14 @@ nsSocketTransportService::DoPollIteration(bool wait)
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//
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//
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// service "active" sockets...
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// service "active" sockets...
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//
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//
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uint32_t numberOfOnSocketReadyCalls = 0;
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for (i=0; i<int32_t(mActiveCount); ++i) {
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for (i=0; i<int32_t(mActiveCount); ++i) {
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PRPollDesc &desc = mPollList[i+1];
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PRPollDesc &desc = mPollList[i+1];
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SocketContext &s = mActiveList[i];
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SocketContext &s = mActiveList[i];
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if (n > 0 && desc.out_flags != 0) {
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if (n > 0 && desc.out_flags != 0) {
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s.mElapsedTime = 0;
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s.mElapsedTime = 0;
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s.mHandler->OnSocketReady(desc.fd, desc.out_flags);
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s.mHandler->OnSocketReady(desc.fd, desc.out_flags);
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numberOfOnSocketReadyCalls++;
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}
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}
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// check for timeout errors unless disabled...
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// check for timeout errors unless disabled...
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else if (s.mHandler->mPollTimeout != UINT16_MAX) {
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else if (s.mHandler->mPollTimeout != UINT16_MAX) {
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@ -936,9 +1032,15 @@ nsSocketTransportService::DoPollIteration(bool wait)
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if (s.mElapsedTime >= s.mHandler->mPollTimeout) {
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if (s.mElapsedTime >= s.mHandler->mPollTimeout) {
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s.mElapsedTime = 0;
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s.mElapsedTime = 0;
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s.mHandler->OnSocketReady(desc.fd, -1);
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s.mHandler->OnSocketReady(desc.fd, -1);
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numberOfOnSocketReadyCalls++;
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}
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}
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}
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}
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}
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}
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if (mTelemetryEnabledPref) {
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Telemetry::Accumulate(
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Telemetry::STS_NUMBER_OF_ONSOCKETREADY_CALLS,
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numberOfOnSocketReadyCalls);
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}
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//
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//
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// check for "dead" sockets and remove them (need to do this in
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// check for "dead" sockets and remove them (need to do this in
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@ -1034,6 +1136,13 @@ nsSocketTransportService::UpdatePrefs()
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if (NS_SUCCEEDED(rv) && maxTimePref >= 0) {
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if (NS_SUCCEEDED(rv) && maxTimePref >= 0) {
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mMaxTimePerPollIter = maxTimePref;
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mMaxTimePerPollIter = maxTimePref;
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}
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}
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bool telemetryPref = false;
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rv = tmpPrefService->GetBoolPref(TELEMETRY_PREF,
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&telemetryPref);
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if (NS_SUCCEEDED(rv)) {
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mTelemetryEnabledPref = telemetryPref;
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}
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}
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}
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return NS_OK;
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return NS_OK;
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@ -18,6 +18,7 @@
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#include "mozilla/Mutex.h"
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#include "mozilla/Mutex.h"
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#include "mozilla/net/DashboardTypes.h"
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#include "mozilla/net/DashboardTypes.h"
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#include "mozilla/Atomics.h"
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#include "mozilla/Atomics.h"
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#include "mozilla/TimeStamp.h"
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class nsASocketHandler;
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class nsASocketHandler;
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struct PRPollDesc;
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struct PRPollDesc;
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@ -193,12 +194,17 @@ private:
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PRPollDesc *mPollList; /* mListSize + 1 entries */
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PRPollDesc *mPollList; /* mListSize + 1 entries */
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PRIntervalTime PollTimeout(); // computes ideal poll timeout
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PRIntervalTime PollTimeout(); // computes ideal poll timeout
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nsresult DoPollIteration(bool wait);
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nsresult DoPollIteration(bool wait,
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mozilla::TimeDuration *pollDuration);
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// perfoms a single poll iteration
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// perfoms a single poll iteration
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int32_t Poll(bool wait, uint32_t *interval);
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int32_t Poll(bool wait,
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uint32_t *interval,
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mozilla::TimeDuration *pollDuration);
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// calls PR_Poll. the out param
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// calls PR_Poll. the out param
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// interval indicates the poll
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// interval indicates the poll
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// duration in seconds.
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// duration in seconds.
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// pollDuration is used only for
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// telemetry
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//-------------------------------------------------------------------------
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//-------------------------------------------------------------------------
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// pending socket queue - see NotifyWhenCanAttachSocket
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// pending socket queue - see NotifyWhenCanAttachSocket
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@ -221,6 +227,7 @@ private:
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bool mServeMultipleEventsPerPollIter;
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bool mServeMultipleEventsPerPollIter;
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mozilla::Atomic<bool> mServingPendingQueue;
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mozilla::Atomic<bool> mServingPendingQueue;
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int32_t mMaxTimePerPollIter;
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int32_t mMaxTimePerPollIter;
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bool mTelemetryEnabledPref;
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void OnKeepaliveEnabledPrefChange();
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void OnKeepaliveEnabledPrefChange();
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void NotifyKeepaliveEnabledPrefChange(SocketContext *sock);
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void NotifyKeepaliveEnabledPrefChange(SocketContext *sock);
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@ -2447,6 +2447,55 @@
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"extended_statistics_ok": true,
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"extended_statistics_ok": true,
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"description": "How many speculative connections are made needlessly"
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"description": "How many speculative connections are made needlessly"
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},
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},
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"STS_POLL_AND_EVENTS_CYCLE": {
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"expires_in_version": "never",
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"kind": "exponential",
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"high": "60000",
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"n_buckets": 1000,
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"description": "The duraion of a socketThread cycle, including polls and pending events. (ms)"
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},
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"STS_NUMBER_OF_PENDING_EVENTS": {
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"expires_in_version": "never",
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"kind": "exponential",
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"high": "2000",
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||||||
|
"n_buckets": 100,
|
||||||
|
"description": "Number of pending events per SocketThread cycle."
|
||||||
|
},
|
||||||
|
"STS_POLL_CYCLE": {
|
||||||
|
"expires_in_version": "never",
|
||||||
|
"kind": "exponential",
|
||||||
|
"high": "60000",
|
||||||
|
"n_buckets": 1000,
|
||||||
|
"description": "The duration of poll. (ms)"
|
||||||
|
},
|
||||||
|
"STS_POLL_AND_EVENT_THE_LAST_CYCLE": {
|
||||||
|
"expires_in_version": "never",
|
||||||
|
"kind": "exponential",
|
||||||
|
"high": "60000",
|
||||||
|
"n_buckets": 1000,
|
||||||
|
"description": "The duraion of the socketThread cycle during shutdown, including polls and pending events. (ms)"
|
||||||
|
},
|
||||||
|
"STS_NUMBER_OF_PENDING_EVENTS_IN_THE_LAST_CYCLE": {
|
||||||
|
"expires_in_version": "never",
|
||||||
|
"kind": "exponential",
|
||||||
|
"high": "2000",
|
||||||
|
"n_buckets": 100,
|
||||||
|
"description": "Number of pending events per SocketThread cycle during shutdown."
|
||||||
|
},
|
||||||
|
"STS_NUMBER_OF_ONSOCKETREADY_CALLS": {
|
||||||
|
"expires_in_version": "never",
|
||||||
|
"kind": "exponential",
|
||||||
|
"high": "2000",
|
||||||
|
"n_buckets": 100,
|
||||||
|
"description": "Number of OnSocketReady calls during a single poll."
|
||||||
|
},
|
||||||
|
"STS_POLL_BLOCK_TIME": {
|
||||||
|
"expires_in_version": "never",
|
||||||
|
"kind": "exponential",
|
||||||
|
"high": "60000",
|
||||||
|
"n_buckets": 1000,
|
||||||
|
"description": "Time spend blocked on poll (ms)."
|
||||||
|
},
|
||||||
"URL_PATH_ENDS_IN_EXCLAMATION": {
|
"URL_PATH_ENDS_IN_EXCLAMATION": {
|
||||||
"expires_in_version": "never",
|
"expires_in_version": "never",
|
||||||
"kind": "boolean",
|
"kind": "boolean",
|
||||||
|
Loading…
Reference in New Issue
Block a user