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phorge/src/applications/daemon/controller/PhabricatorDaemonConsoleController.php
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PhabricatorDaemonConsoleController.php
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<?php
final class PhabricatorDaemonConsoleController
extends PhabricatorDaemonController {
public function handleRequest(AphrontRequest $request) {
$viewer = $this->getViewer();
$window_start = (time() - (60 * 15));
// Assume daemons spend about 250ms second in overhead per task acquiring
// leases and doing other bookkeeping. This is probably an over-estimation,
// but we'd rather show that utilization is too high than too low.
$lease_overhead = 0.250;
$completed = id(new PhabricatorWorkerArchiveTaskQuery())
->withDateModifiedSince($window_start)
->execute();
$failed = id(new PhabricatorWorkerActiveTask())->loadAllWhere(
'failureTime > %d',
$window_start);
$usage_total = 0;
$usage_start = PHP_INT_MAX;
$completed_info = array();
foreach ($completed as $completed_task) {
$class = $completed_task->getTaskClass();
if (empty($completed_info[$class])) {
$completed_info[$class] = array(
'n' => 0,
'duration' => 0,
'queueTime' => 0,
);
}
$completed_info[$class]['n']++;
$duration = $completed_task->getDuration();
$completed_info[$class]['duration'] += $duration;
// NOTE: Duration is in microseconds, but we're just using seconds to
// compute utilization.
$usage_total += $lease_overhead + ($duration / 1000000);
$usage_start = min($usage_start, $completed_task->getDateModified());
$date_archived = $completed_task->getArchivedEpoch();
$queue_seconds = $date_archived - $completed_task->getDateCreated();
// Don't measure queue time for tasks that completed in the same
// epoch-second they were created in.
if ($queue_seconds > 0) {
$sec_in_us = phutil_units('1 second in microseconds');
$queue_us = $queue_seconds * $sec_in_us;
$queue_exclusive_us = $queue_us - $duration;
$queue_exclusive_seconds = $queue_exclusive_us / $sec_in_us;
$rounded = floor($queue_exclusive_seconds);
$completed_info[$class]['queueTime'] += $rounded;
}
}
$completed_info = isort($completed_info, 'n');
$rows = array();
foreach ($completed_info as $class => $info) {
$duration_avg = new PhutilNumber((int)($info['duration'] / $info['n']));
$queue_avg = new PhutilNumber((int)($info['queueTime'] / $info['n']));
$rows[] = array(
$class,
number_format($info['n']),
pht('%s us', $duration_avg),
pht('%s s', $queue_avg),
);
}
if ($failed) {
// Add the time it takes to restart the daemons. This includes a guess
// about other overhead of 2X.
$restart_delay = PhutilDaemonHandle::getWaitBeforeRestart();
$usage_total += $restart_delay * count($failed) * 2;
foreach ($failed as $failed_task) {
$usage_start = min($usage_start, $failed_task->getFailureTime());
}
$rows[] = array(
phutil_tag('em', array(), pht('Temporary Failures')),
count($failed),
null,
null,
);
}
$logs = id(new PhabricatorDaemonLogQuery())
->setViewer($viewer)
->withStatus(PhabricatorDaemonLogQuery::STATUS_ALIVE)
->setAllowStatusWrites(true)
->execute();
$taskmasters = 0;
foreach ($logs as $log) {
if ($log->getDaemon() == 'PhabricatorTaskmasterDaemon') {
$taskmasters++;
}
}
if ($taskmasters && $usage_total) {
// Total number of wall-time seconds the daemons have been running since
// the oldest event. For very short times round up to 15s so we don't
// render any ridiculous numbers if you reload the page immediately after
// restarting the daemons.
$available_time = $taskmasters * max(15, (time() - $usage_start));
// Percentage of those wall-time seconds we can account for, which the
// daemons spent doing work:
$used_time = ($usage_total / $available_time);
$rows[] = array(
phutil_tag('em', array(), pht('Queue Utilization (Approximate)')),
sprintf('%.1f%%', 100 * $used_time),
null,
null,
);
}
$completed_table = new AphrontTableView($rows);
$completed_table->setNoDataString(
pht('No tasks have completed in the last 15 minutes.'));
$completed_table->setHeaders(
array(
pht('Class'),
pht('Count'),
pht('Average Duration'),
pht('Average Queue Time'),
));
$completed_table->setColumnClasses(
array(
'wide',
'n',
'n',
'n',
));
$completed_panel = id(new PHUIObjectBoxView())
->setHeaderText(pht('Recently Completed Tasks (Last 15m)'))
->setTable($completed_table);
$daemon_table = id(new PhabricatorDaemonLogListView())
->setUser($viewer)
->setDaemonLogs($logs);
$daemon_panel = id(new PHUIObjectBoxView())
->setHeaderText(pht('Active Daemons'))
->setTable($daemon_table);
$tasks = id(new PhabricatorWorkerLeaseQuery())
->setSkipLease(true)
->withLeasedTasks(true)
->setLimit(100)
->execute();
$tasks_table = id(new PhabricatorDaemonTasksTableView())
->setTasks($tasks)
->setNoDataString(pht('No tasks are leased by workers.'));
$leased_panel = id(new PHUIObjectBoxView())
->setHeaderText(pht('Leased Tasks'))
->setTable($tasks_table);
$task_table = new PhabricatorWorkerActiveTask();
$queued = queryfx_all(
$task_table->establishConnection('r'),
'SELECT taskClass, count(*) N FROM %T GROUP BY taskClass
ORDER BY N DESC',
$task_table->getTableName());
$rows = array();
foreach ($queued as $row) {
$rows[] = array(
$row['taskClass'],
number_format($row['N']),
);
}
$queued_table = new AphrontTableView($rows);
$queued_table->setHeaders(
array(
pht('Class'),
pht('Count'),
));
$queued_table->setColumnClasses(
array(
'wide',
'n',
));
$queued_table->setNoDataString(pht('Task queue is empty.'));
$queued_panel = new PHUIObjectBoxView();
$queued_panel->setHeaderText(pht('Queued Tasks'));
$queued_panel->setTable($queued_table);
$upcoming = id(new PhabricatorWorkerLeaseQuery())
->setLimit(10)
->setSkipLease(true)
->execute();
$upcoming_panel = id(new PHUIObjectBoxView())
->setHeaderText(pht('Next In Queue'))
->setTable(
id(new PhabricatorDaemonTasksTableView())
->setTasks($upcoming)
->setNoDataString(pht('Task queue is empty.')));
$triggers = id(new PhabricatorWorkerTriggerQuery())
->setViewer($viewer)
->setOrder(PhabricatorWorkerTriggerQuery::ORDER_EXECUTION)
->withNextEventBetween(0, null)
->needEvents(true)
->setLimit(10)
->execute();
$triggers_table = $this->buildTriggersTable($triggers);
$triggers_panel = id(new PHUIObjectBoxView())
->setHeaderText(pht('Upcoming Triggers'))
->setTable($triggers_table);
$crumbs = $this->buildApplicationCrumbs();
$crumbs->addTextCrumb(pht('Console'));
$nav = $this->buildSideNavView();
$nav->selectFilter('/');
$nav->appendChild(
array(
$crumbs,
$completed_panel,
$daemon_panel,
$queued_panel,
$leased_panel,
$upcoming_panel,
$triggers_panel,
));
return $this->newPage()
->setTitle(pht('Console'))
->appendChild($nav);
}
private function buildTriggersTable(array $triggers) {
$viewer = $this->getViewer();
$rows = array();
foreach ($triggers as $trigger) {
$event = $trigger->getEvent();
if ($event) {
$last_epoch = $event->getLastEventEpoch();
$next_epoch = $event->getNextEventEpoch();
} else {
$last_epoch = null;
$next_epoch = null;
}
$rows[] = array(
$trigger->getID(),
$trigger->getClockClass(),
$trigger->getActionClass(),
$last_epoch ? phabricator_datetime($last_epoch, $viewer) : null,
$next_epoch ? phabricator_datetime($next_epoch, $viewer) : null,
);
}
return id(new AphrontTableView($rows))
->setNoDataString(pht('There are no upcoming event triggers.'))
->setHeaders(
array(
pht('ID'),
pht('Clock'),
pht('Action'),
pht('Last'),
pht('Next'),
))
->setColumnClasses(
array(
'',
'',
'wide',
'date',
'date',
));
}
}

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