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phab/src/applications/daemon/controller/PhabricatorDaemonConsoleController.php
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PhabricatorDaemonConsoleController.php
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<?php
final class PhabricatorDaemonConsoleController
extends PhabricatorDaemonController {
public function processRequest() {
$request = $this->getRequest();
$user = $request->getUser();
$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 PhabricatorWorkerArchiveTask())->loadAllWhere(
'dateModified > %d',
$window_start);
$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,
);
}
$completed_info[$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());
}
$completed_info = isort($completed_info, 'n');
$rows = array();
foreach ($completed_info as $class => $info) {
$rows[] = array(
$class,
number_format($info['n']),
number_format((int)($info['duration'] / $info['n'])).' us',
);
}
if ($failed) {
// Add the time it takes to restart the daemons. This includes a guess
// about other overhead of 2X.
$usage_total += PhutilDaemonOverseer::RESTART_WAIT * count($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,
);
}
$logs = id(new PhabricatorDaemonLogQuery())
->setViewer($user)
->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,
);
}
$completed_table = new AphrontTableView($rows);
$completed_table->setNoDataString(
pht('No tasks have completed in the last 15 minutes.'));
$completed_table->setHeaders(
array(
pht('Class'),
pht('Count'),
pht('Avg'),
));
$completed_table->setColumnClasses(
array(
'wide',
'n',
'n',
));
$completed_panel = new PHUIObjectBoxView();
$completed_panel->setHeaderText(
pht('Recently Completed Tasks (Last 15m)'));
$completed_panel->appendChild($completed_table);
$daemon_table = new PhabricatorDaemonLogListView();
$daemon_table->setUser($user);
$daemon_table->setDaemonLogs($logs);
$tasks = id(new PhabricatorWorkerActiveTask())->loadAllWhere(
'leaseOwner IS NOT NULL');
$rows = array();
foreach ($tasks as $task) {
$rows[] = array(
$task->getID(),
$task->getTaskClass(),
$task->getLeaseOwner(),
$task->getLeaseExpires() - time(),
$task->getPriority(),
$task->getFailureCount(),
phutil_tag(
'a',
array(
'href' => '/daemon/task/'.$task->getID().'/',
'class' => 'button small grey',
),
pht('View Task')),
);
}
$daemon_panel = new PHUIObjectBoxView();
$daemon_panel->setHeaderText(pht('Active Daemons'));
$daemon_panel->appendChild($daemon_table);
$leased_table = new AphrontTableView($rows);
$leased_table->setHeaders(
array(
pht('ID'),
pht('Class'),
pht('Owner'),
pht('Expires'),
pht('Priority'),
pht('Failures'),
'',
));
$leased_table->setColumnClasses(
array(
'n',
'wide',
'',
'',
'n',
'n',
'action',
));
$leased_table->setNoDataString(pht('No tasks are leased by workers.'));
$leased_panel = new PHUIObjectBoxView();
$leased_panel->setHeaderText(pht('Leased Tasks'));
$leased_panel->appendChild($leased_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'));
$queued_panel->appendChild($queued_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,
));
return $this->buildApplicationPage(
$nav,
array(
'title' => pht('Console'),
'device' => false,
));
}
}
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