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   1  <?php
   2  
   3  /*
   4   * This file is part of Twig.
   5   *
   6   * (c) Fabien Potencier
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Twig\Profiler\Dumper;
  13  
  14  use Twig\Profiler\Profile;
  15  
  16  /**
  17   * @author Fabien Potencier <fabien@symfony.com>
  18   */
  19  final class BlackfireDumper
  20  {
  21      public function dump(Profile $profile)
  22      {
  23          $data = [];
  24          $this->dumpProfile('main()', $profile, $data);
  25          $this->dumpChildren('main()', $profile, $data);
  26  
  27          $start = sprintf('%f', microtime(true));
  28          $str = <<<EOF
  29  file-format: BlackfireProbe
  30  cost-dimensions: wt mu pmu
  31  request-start: {$start}
  32  
  33  
  34  EOF;
  35  
  36          foreach ($data as $name => $values) {
  37              $str .= "{$name}//{$values['ct']} {$values['wt']} {$values['mu']} {$values['pmu']}\n";
  38          }
  39  
  40          return $str;
  41      }
  42  
  43      private function dumpChildren(string $parent, Profile $profile, &$data)
  44      {
  45          foreach ($profile as $p) {
  46              if ($p->isTemplate()) {
  47                  $name = $p->getTemplate();
  48              } else {
  49                  $name = sprintf('%s::%s(%s)', $p->getTemplate(), $p->getType(), $p->getName());
  50              }
  51              $this->dumpProfile(sprintf('%s==>%s', $parent, $name), $p, $data);
  52              $this->dumpChildren($name, $p, $data);
  53          }
  54      }
  55  
  56      private function dumpProfile(string $edge, Profile $profile, &$data)
  57      {
  58          if (isset($data[$edge])) {
  59              ++$data[$edge]['ct'];
  60              $data[$edge]['wt'] += floor($profile->getDuration() * 1000000);
  61              $data[$edge]['mu'] += $profile->getMemoryUsage();
  62              $data[$edge]['pmu'] += $profile->getPeakMemoryUsage();
  63          } else {
  64              $data[$edge] = [
  65                  'ct' => 1,
  66                  'wt' => floor($profile->getDuration() * 1000000),
  67                  'mu' => $profile->getMemoryUsage(),
  68                  'pmu' => $profile->getPeakMemoryUsage(),
  69              ];
  70          }
  71      }
  72  }
  73  
  74  class_alias('Twig\Profiler\Dumper\BlackfireDumper', 'Twig_Profiler_Dumper_Blackfire');