/
ProfilerService.php
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/
ProfilerService.php
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<?php
namespace Netpromotion\Profiler\Service;
use Netpromotion\Profiler\Profiler;
use PetrKnap\Php\Profiler\Profile;
use PetrKnap\Php\Singleton\SingletonInterface;
use PetrKnap\Php\Singleton\SingletonTrait;
/**
* @internal
*/
class ProfilerService implements SingletonInterface
{
use SingletonTrait;
const META_TIME_ZERO = "meta_time_zero";
const META_TIME_TOTAL = "meta_time_total";
const META_MEMORY_PEAK = "meta_memory_peak";
const META_TIME_LINE = "meta_time_line";
const META_TIME_LINE__MEMORY_USAGE = "meta_time_line__memory_usage";
const TIME_LINE_BEFORE = "time_line_before"; // int [0 - 100] percentage
const TIME_LINE_ACTIVE = "time_line_active"; // int [0 - 100] percentage
const TIME_LINE_INACTIVE = "time_line_inactive"; // int [0 - 100] percentage
const TIME_LINE_AFTER = "time_line_after"; // int [0 - 100] percentage
/**
* @var mixed[]
*/
private $metaData = [];
/**
* @var Profile[]
*/
private $profiles = [];
private function __construct()
{
/** @noinspection PhpInternalEntityUsedInspection */
Profiler::setPostProcessor([$this, "addProfile"]);
}
/**
* Initializes the service
*
* @return void
*/
public static function init()
{
static::getInstance();
}
/**
* @param Profile $profile
* @return Profile
* @internal
*/
public function addProfile(Profile $profile)
{
$this->metaData = [];
$this->profiles[] = $profile;
return $profile;
}
/**
* @return Profile[]
*/
public function getProfiles()
{
return $this->profiles;
}
private function getMetaData()
{
if (empty($this->metaData)) {
$this->metaData[self::META_TIME_LINE] = [];
$this->metaData[self::META_MEMORY_PEAK] = 0;
if (count($this->profiles) == 0) {
$this->metaData[self::META_TIME_ZERO] = 0;
$timeEnd = 0;
} else {
$this->metaData[self::META_TIME_ZERO] = $this->profiles[0]->meta[Profiler::START_TIME];
$timeEnd = $this->profiles[0]->meta[Profiler::FINISH_TIME];
foreach ($this->profiles as $profile) {
$this->metaData[self::META_TIME_ZERO] = min(
$this->metaData[self::META_TIME_ZERO],
$profile->meta[Profiler::START_TIME]
);
$timeEnd = max(
$timeEnd,
$profile->meta[Profiler::FINISH_TIME]
);
$this->metaData[self::META_MEMORY_PEAK] = max(
$this->metaData[self::META_MEMORY_PEAK],
$profile->meta[Profiler::START_MEMORY_USAGE],
$profile->meta[Profiler::FINISH_MEMORY_USAGE]
);
$this->metaData[self::META_TIME_LINE][$profile->meta[Profiler::START_TIME] * 1000] = [
self::META_TIME_LINE__MEMORY_USAGE => $profile->meta[Profiler::START_MEMORY_USAGE]
];
$this->metaData[self::META_TIME_LINE][$profile->meta[Profiler::FINISH_TIME] * 1000] = [
self::META_TIME_LINE__MEMORY_USAGE => $profile->meta[Profiler::FINISH_MEMORY_USAGE]
];
}
}
$this->metaData[self::META_TIME_TOTAL] = max($timeEnd - $this->metaData[self::META_TIME_ZERO], 0.001);
ksort($this->metaData[self::META_TIME_LINE]);
}
return $this->metaData;
}
public function iterateProfiles(callable $callback)
{
$metaData = $this->getMetaData();
foreach ($this->profiles as $profile) {
$profile->meta[static::TIME_LINE_BEFORE] = floor(
($profile->meta[Profiler::START_TIME] - $metaData[self::META_TIME_ZERO]) / $metaData[self::META_TIME_TOTAL] * 100
);
$profile->meta[static::TIME_LINE_ACTIVE] = floor(
$profile->duration / $metaData[self::META_TIME_TOTAL] * 100
);
$profile->meta[static::TIME_LINE_INACTIVE] = floor(
($profile->absoluteDuration - $profile->duration) / $metaData[self::META_TIME_TOTAL] * 100
);
$profile->meta[static::TIME_LINE_AFTER] = 100 - $profile->meta[static::TIME_LINE_BEFORE] - $profile->meta[static::TIME_LINE_ACTIVE] - $profile->meta[static::TIME_LINE_INACTIVE];
call_user_func($callback, $profile, $metaData);
}
}
public function iterateMemoryTimeLine(callable $callback)
{
$metaData = $this->getMetaData();
$totalTime = 0;
$height = 0;
foreach ($metaData[self::META_TIME_LINE] as $time => $values) {
$time = $time / 1000 - $metaData[self::META_TIME_ZERO];
$height = floor(
$values[self::META_TIME_LINE__MEMORY_USAGE] / $metaData[self::META_MEMORY_PEAK] * 100
);
$totalTime += $time;
call_user_func($callback, $time, $height, $metaData);
}
if ($totalTime < $metaData[self::META_TIME_TOTAL]) {
call_user_func($callback, $metaData[self::META_TIME_TOTAL] - $totalTime, $height, $metaData);
}
}
}