gistfile1.txt

 /** @var \Drupal\webprofiler\Profiler\Profiler $profiler */
    $profiler = $this->getContainer()->get('profiler');
    $tokens = $profiler->find(NULL, NULL, 1000, NULL, '', '');

    $forms = [];
    foreach ($tokens as $token) {
      $profile = $profiler->loadProfile($token);
      /** @var \Drupal\webprofiler\DataCollector\FormsDataCollector $form */
      $form = $profile->getCollector('forms');
      $forms[] = $form->getForms();
    }