/**
* Creates a TestResult instance by loading the results from file system
* @param TestInfo $testInfo Related test information
* @param int $runNumber The run to return the data for, starting from 1
* @param bool $isCached False for first view, true for repeat view
* @param int $stepNumber The step number, starting from 1
* @param FileHandler $fileHandler The FileHandler to use
* @param array $options Options for the loadPageStepData
* @return TestStepResult|null The created instance on success, null otherwise
*/
public static function fromFiles($testInfo, $runNumber, $isCached, $stepNumber, $fileHandler = null, $options = null)
{
// no support to use FileHandler so far
$localPaths = new TestPaths($testInfo->getRootDirectory(), $runNumber, $isCached, $stepNumber);
$runCompleted = $testInfo->isRunComplete($runNumber);
$pageData = loadPageStepData($localPaths, $runCompleted, $options, $testInfo->getInfoArray());
return new self($testInfo, $pageData, $runNumber, $isCached, $stepNumber, $fileHandler);
}
/**
* @param TestPaths $localPaths Paths for this run/step to get the CPU time for
* @param int $endTime End time to consider (optional, will be retrieved from requests otherwise)
* @return array
*/
function GetDevToolsCPUTimeForStep($localPaths, $endTime = 0)
{
if (!$endTime) {
require_once __DIR__ . '/page_data.inc';
$runCompleted = IsTestRunComplete($localPaths->getRunNumber(), $testInfo);
$pageData = loadPageStepData($localPaths, $runCompleted);
if (isset($pageData) && is_array($pageData) && isset($pageData['fullyLoaded'])) {
$endTime = $pageData['fullyLoaded'];
}
}
$times = null;
$ver = 3;
$cacheFile = $localPaths->devtoolsCPUTimeCacheFile($ver);
if (gz_is_file($cacheFile)) {
$cache = json_decode(gz_file_get_contents($cacheFile), true);
}
if (isset($cache) && is_array($cache) && isset($cache[$endTime])) {
$times = $cache[$endTime];
} else {
$cpu = DevToolsGetCPUSlicesForStep($localPaths);
if (isset($cpu) && is_array($cpu) && isset($cpu['main_thread']) && isset($cpu['slices'][$cpu['main_thread']]) && isset($cpu['slice_usecs'])) {
$busy = 0;
$times = array();
if (!$endTime && isset($cpu['total_usecs'])) {
$endTime = $cpu['total_usecs'] / 1000;
}
foreach ($cpu['slices'][$cpu['main_thread']] as $name => $slices) {
$last_slice = min(intval(ceil($endTime * 1000 / $cpu['slice_usecs'])), count($slices));
$times[$name] = 0;
for ($i = 0; $i < $last_slice; $i++) {
$times[$name] += $slices[$i] / 1000.0;
}
$busy += $times[$name];
$times[$name] = intval(round($times[$name]));
}
$times['Idle'] = max($endTime - intval(round($busy)), 0);
}
// Cache the result
if (!isset($cache) || !is_array($cache)) {
$cache = array();
}
$cache[$endTime] = $times;
gz_file_put_contents($cacheFile, json_encode($cache));
}
return $times;
}