public static function run_test(&$test_run_manager, &$test_run_request)
 {
     $test_identifier = $test_run_request->test_profile->get_identifier();
     $extra_arguments = $test_run_request->get_arguments();
     $arguments_description = $test_run_request->get_arguments_description();
     $full_output = pts_config::read_bool_config('PhoronixTestSuite/Options/General/FullOutput', 'FALSE');
     // Do the actual test running process
     $test_directory = $test_run_request->test_profile->get_install_dir();
     if (!is_dir($test_directory)) {
         return false;
     }
     $lock_file = $test_directory . 'run_lock';
     if (pts_client::create_lock($lock_file) == false && $test_run_manager->is_multi_test_stress_run() == false) {
         self::test_run_error($test_run_manager, $test_run_request, 'The ' . $test_identifier . ' test is already running.');
         return false;
     }
     $active_result_buffer = new pts_test_result_buffer_active();
     $test_run_request->active =& $active_result_buffer;
     $execute_binary = $test_run_request->test_profile->get_test_executable();
     $times_to_run = $test_run_request->test_profile->get_times_to_run();
     $ignore_runs = $test_run_request->test_profile->get_runs_to_ignore();
     $test_type = $test_run_request->test_profile->get_test_hardware_type();
     $allow_cache_share = $test_run_request->test_profile->allow_cache_share();
     $min_length = $test_run_request->test_profile->get_min_length();
     $max_length = $test_run_request->test_profile->get_max_length();
     if ($test_run_request->test_profile->get_environment_testing_size() > 1 && ceil(disk_free_space($test_directory) / 1048576) < $test_run_request->test_profile->get_environment_testing_size()) {
         // Ensure enough space is available on disk during testing process
         self::test_run_error($test_run_manager, $test_run_request, 'There is not enough space (at ' . $test_directory . ') for this test to run.');
         pts_client::release_lock($lock_file);
         return false;
     }
     $to_execute = $test_run_request->test_profile->get_test_executable_dir();
     $pts_test_arguments = trim($test_run_request->test_profile->get_default_arguments() . ' ' . str_replace($test_run_request->test_profile->get_default_arguments(), '', $extra_arguments) . ' ' . $test_run_request->test_profile->get_default_post_arguments());
     $extra_runtime_variables = pts_tests::extra_environmental_variables($test_run_request->test_profile);
     // Start
     $cache_share_pt2so = $test_directory . 'cache-share-' . PTS_INIT_TIME . '.pt2so';
     $cache_share_present = $allow_cache_share && is_file($cache_share_pt2so);
     $test_run_request->set_used_arguments_description($arguments_description);
     pts_module_manager::module_process('__pre_test_run', $test_run_request);
     $time_test_start = time();
     pts_client::$display->test_run_start($test_run_manager, $test_run_request);
     if (!$cache_share_present) {
         $pre_output = pts_tests::call_test_script($test_run_request->test_profile, 'pre', 'Running Pre-Test Script', $pts_test_arguments, $extra_runtime_variables, true);
         if ($pre_output != null && (pts_client::is_debug_mode() || $full_output)) {
             pts_client::$display->test_run_instance_output($pre_output);
         }
         if (is_file($test_directory . 'pre-test-exit-status')) {
             // If the pre script writes its exit status to ~/pre-test-exit-status, if it's non-zero the test run failed
             $exit_status = pts_file_io::file_get_contents($test_directory . 'pre-test-exit-status');
             unlink($test_directory . 'pre-test-exit-status');
             if ($exit_status != 0) {
                 self::test_run_instance_error($test_run_manager, $test_run_request, 'The pre run script exited with a non-zero exit status.' . PHP_EOL);
                 self::test_run_error($test_run_manager, $test_run_request, 'This test execution has been abandoned.');
                 return false;
             }
         }
     }
     pts_client::$display->display_interrupt_message($test_run_request->test_profile->get_pre_run_message());
     $runtime_identifier = time();
     $execute_binary_prepend = '';
     if ($test_run_request->exec_binary_prepend != null) {
         $execute_binary_prepend = $test_run_request->exec_binary_prepend;
     }
     if (!$cache_share_present && $test_run_request->test_profile->is_root_required()) {
         if (phodevi::is_root() == false) {
             pts_client::$display->test_run_error('This test must be run as the root / administrator account.');
         }
         $execute_binary_prepend .= ' ' . PTS_CORE_STATIC_PATH . 'root-access.sh ';
     }
     if ($allow_cache_share && !is_file($cache_share_pt2so)) {
         $cache_share = new pts_storage_object(false, false);
     }
     if ($test_run_manager->get_results_identifier() != null && $test_run_manager->get_file_name() != null && pts_config::read_bool_config('PhoronixTestSuite/Options/Testing/SaveTestLogs', 'FALSE')) {
         $backup_test_log_dir = PTS_SAVE_RESULTS_PATH . $test_run_manager->get_file_name() . '/test-logs/active/' . $test_run_manager->get_results_identifier() . '/';
         pts_file_io::delete($backup_test_log_dir);
         pts_file_io::mkdir($backup_test_log_dir, 0777, true);
     } else {
         $backup_test_log_dir = false;
     }
     for ($i = 0, $abort_testing = false, $time_test_start_actual = time(), $defined_times_to_run = $times_to_run; $i < $times_to_run && $i < 256 && !$abort_testing; $i++) {
         pts_client::$display->test_run_instance_header($test_run_request);
         $test_log_file = $test_directory . basename($test_identifier) . '-' . $runtime_identifier . '-' . ($i + 1) . '.log';
         $is_expected_last_run = $i == $times_to_run - 1;
         $test_extra_runtime_variables = array_merge($extra_runtime_variables, array('LOG_FILE' => $test_log_file, 'DISPLAY' => getenv('DISPLAY'), 'PATH' => getenv('PATH')));
         $restored_from_cache = false;
         if ($cache_share_present) {
             $cache_share = pts_storage_object::recover_from_file($cache_share_pt2so);
             if ($cache_share) {
                 $test_result = $cache_share->read_object('test_results_output_' . $i);
                 $test_extra_runtime_variables['LOG_FILE'] = $cache_share->read_object('log_file_location_' . $i);
                 if ($test_extra_runtime_variables['LOG_FILE'] != null) {
                     file_put_contents($test_extra_runtime_variables['LOG_FILE'], $cache_share->read_object('log_file_' . $i));
                     $test_run_time = 0;
                     // This wouldn't be used for a cache share since it would always be the same, but declare the value so the variable is at least initialized
                     $restored_from_cache = true;
                 }
             }
             unset($cache_share);
         }
         if ($restored_from_cache == false) {
             $test_run_command = 'cd ' . $to_execute . ' && ' . $execute_binary_prepend . './' . $execute_binary . ' ' . $pts_test_arguments . ' 2>&1';
             pts_client::test_profile_debug_message('Test Run Command: ' . $test_run_command);
             $is_monitoring = pts_test_result_parser::system_monitor_task_check($test_run_request->test_profile);
             $test_run_time_start = time();
             if (phodevi::is_windows() || pts_client::read_env('USE_PHOROSCRIPT_INTERPRETER') != false) {
                 $phoroscript = new pts_phoroscript_interpreter($to_execute . '/' . $execute_binary, $test_extra_runtime_variables, $to_execute);
                 $phoroscript->execute_script($pts_test_arguments);
                 $test_result = null;
             } else {
                 //$test_result = pts_client::shell_exec($test_run_command, $test_extra_runtime_variables);
                 $descriptorspec = array(0 => array('pipe', 'r'), 1 => array('pipe', 'w'), 2 => array('pipe', 'w'));
                 $test_process = proc_open('exec ' . $execute_binary_prepend . './' . $execute_binary . ' ' . $pts_test_arguments . ' 2>&1', $descriptorspec, $pipes, $to_execute, array_merge($_ENV, pts_client::environmental_variables(), $test_extra_runtime_variables));
                 if (is_resource($test_process)) {
                     //echo proc_get_status($test_process)['pid'];
                     pts_module_manager::module_process('__test_running', $test_process);
                     $test_result = stream_get_contents($pipes[1]);
                     fclose($pipes[1]);
                     fclose($pipes[2]);
                     $return_value = proc_close($test_process);
                 }
             }
             $test_run_time = time() - $test_run_time_start;
             $monitor_result = $is_monitoring ? pts_test_result_parser::system_monitor_task_post_test($test_run_request->test_profile) : 0;
         }
         if (!isset($test_result[10240]) || pts_client::is_debug_mode() || $full_output) {
             pts_client::$display->test_run_instance_output($test_result);
         }
         if (is_file($test_log_file) && trim($test_result) == null && (filesize($test_log_file) < 10240 || pts_client::is_debug_mode() || $full_output)) {
             $test_log_file_contents = file_get_contents($test_log_file);
             pts_client::$display->test_run_instance_output($test_log_file_contents);
             unset($test_log_file_contents);
         }
         $test_run_request->test_result_standard_output = $test_result;
         $exit_status_pass = true;
         if (is_file($test_directory . 'test-exit-status')) {
             // If the test script writes its exit status to ~/test-exit-status, if it's non-zero the test run failed
             $exit_status = pts_file_io::file_get_contents($test_directory . 'test-exit-status');
             unlink($test_directory . 'test-exit-status');
             if ($exit_status != 0) {
                 self::test_run_instance_error($test_run_manager, $test_run_request, 'The test exited with a non-zero exit status.');
                 if ($is_expected_last_run && is_file($test_log_file)) {
                     $scan_log = pts_file_io::file_get_contents($test_log_file);
                     $test_run_error = pts_tests::scan_for_error($scan_log, $test_run_request->test_profile->get_test_executable_dir());
                     if ($test_run_error) {
                         self::test_run_instance_error($test_run_manager, $test_run_request, 'E: ' . $test_run_error);
                     }
                 }
                 $exit_status_pass = false;
             }
         }
         if (!in_array($i + 1, $ignore_runs) && $exit_status_pass) {
             if (isset($monitor_result) && $monitor_result != 0) {
                 $test_run_request->active->active_result = $monitor_result;
             } else {
                 pts_test_result_parser::parse_result($test_run_request, $test_extra_runtime_variables['LOG_FILE']);
             }
             pts_client::test_profile_debug_message('Test Result Value: ' . $test_run_request->active->active_result);
             if (!empty($test_run_request->active->active_result)) {
                 if ($test_run_time < 2 && intval($test_run_request->active->active_result) == $test_run_request->active->active_result && $test_run_request->test_profile->get_estimated_run_time() > 60 && !$restored_from_cache) {
                     // If the test ended in less than two seconds, outputted some int, and normally the test takes much longer, then it's likely some invalid run
                     self::test_run_instance_error($test_run_manager, $test_run_request, 'The test run ended prematurely.');
                     if ($is_expected_last_run && is_file($test_log_file)) {
                         $scan_log = pts_file_io::file_get_contents($test_log_file);
                         $test_run_error = pts_tests::scan_for_error($scan_log, $test_run_request->test_profile->get_test_executable_dir());
                         if ($test_run_error) {
                             self::test_run_instance_error($test_run_manager, $test_run_request, 'E: ' . $test_run_error);
                         }
                     }
                 } else {
                     // TODO integrate active_result into active buffer
                     $active_result_buffer->add_trial_run_result($test_run_request->active->active_result, $test_run_request->active->active_min_result, $test_run_request->active->active_max_result);
                 }
             } else {
                 if ($test_run_request->test_profile->get_display_format() != 'NO_RESULT') {
                     self::test_run_instance_error($test_run_manager, $test_run_request, 'The test run did not produce a result.');
                     if ($is_expected_last_run && is_file($test_log_file)) {
                         $scan_log = pts_file_io::file_get_contents($test_log_file);
                         $test_run_error = pts_tests::scan_for_error($scan_log, $test_run_request->test_profile->get_test_executable_dir());
                         if ($test_run_error) {
                             self::test_run_instance_error($test_run_manager, $test_run_request, 'E: ' . $test_run_error);
                         }
                     }
                 }
             }
             if ($allow_cache_share && !is_file($cache_share_pt2so)) {
                 $cache_share->add_object('test_results_output_' . $i, $test_run_request->active->active_result);
                 $cache_share->add_object('log_file_location_' . $i, $test_extra_runtime_variables['LOG_FILE']);
                 $cache_share->add_object('log_file_' . $i, is_file($test_log_file) ? file_get_contents($test_log_file) : null);
             }
         }
         if ($is_expected_last_run && $active_result_buffer->get_trial_run_count() > floor(($i - 2) / 2) && !$cache_share_present && $test_run_manager->do_dynamic_run_count()) {
             // The later check above ensures if the test is failing often the run count won't uselessly be increasing
             // Should we increase the run count?
             $increase_run_count = false;
             if ($defined_times_to_run == $i + 1 && $active_result_buffer->get_trial_run_count() > 0 && $active_result_buffer->get_trial_run_count() < $defined_times_to_run && $i < 64) {
                 // At least one run passed, but at least one run failed to produce a result. Increase count to try to get more successful runs
                 $increase_run_count = $defined_times_to_run - $active_result_buffer->get_trial_run_count();
             } else {
                 if ($active_result_buffer->get_trial_run_count() >= 2) {
                     // Dynamically increase run count if needed for statistical significance or other reasons
                     $increase_run_count = $test_run_manager->increase_run_count_check($active_result_buffer, $defined_times_to_run, $test_run_time);
                     if ($increase_run_count === -1) {
                         $abort_testing = true;
                     } else {
                         if ($increase_run_count == true) {
                             // Just increase the run count one at a time
                             $increase_run_count = 1;
                         }
                     }
                 }
             }
             if ($increase_run_count > 0) {
                 $times_to_run += $increase_run_count;
                 $is_expected_last_run = false;
                 //$test_run_request->test_profile->set_times_to_run($times_to_run);
             }
         }
         if ($times_to_run > 1 && $i < $times_to_run - 1) {
             if ($cache_share_present == false) {
                 $interim_output = pts_tests::call_test_script($test_run_request->test_profile, 'interim', 'Running Interim Test Script', $pts_test_arguments, $extra_runtime_variables, true);
                 if ($interim_output != null && (pts_client::is_debug_mode() || $full_output)) {
                     pts_client::$display->test_run_instance_output($interim_output);
                 }
                 //sleep(2); // Rest for a moment between tests
             }
             pts_module_manager::module_process('__interim_test_run', $test_run_request);
         }
         if (is_file($test_log_file)) {
             if ($is_expected_last_run) {
                 // For now just passing the last test log file...
                 // TODO XXX: clean this up with log files to preserve when needed, let multiple log files exist for extra_data, etc
                 pts_test_result_parser::generate_extra_data($test_run_request, $test_log_file);
             }
             if ($backup_test_log_dir) {
                 copy($test_log_file, $backup_test_log_dir . basename($test_log_file));
             }
             if (pts_client::test_profile_debug_message('Log File At: ' . $test_log_file) == false) {
                 unlink($test_log_file);
             }
         }
         if (is_file(PTS_USER_PATH . 'halt-testing') || is_file(PTS_USER_PATH . 'skip-test')) {
             pts_client::release_lock($lock_file);
             return false;
         }
         pts_client::$display->test_run_instance_complete($test_run_request);
     }
     $time_test_end_actual = time();
     if ($cache_share_present == false) {
         $post_output = pts_tests::call_test_script($test_run_request->test_profile, 'post', 'Running Post-Test Script', $pts_test_arguments, $extra_runtime_variables, true);
         if ($post_output != null && (pts_client::is_debug_mode() || $full_output)) {
             pts_client::$display->test_run_instance_output($post_output);
         }
         if (is_file($test_directory . 'post-test-exit-status')) {
             // If the post script writes its exit status to ~/post-test-exit-status, if it's non-zero the test run failed
             $exit_status = pts_file_io::file_get_contents($test_directory . 'post-test-exit-status');
             unlink($test_directory . 'post-test-exit-status');
             if ($exit_status != 0) {
                 self::test_run_instance_error($test_run_manager, $test_run_request, 'The post run script exited with a non-zero exit status.' . PHP_EOL);
                 $abort_testing = true;
             }
         }
     }
     if ($abort_testing) {
         self::test_run_error($test_run_manager, $test_run_request, 'This test execution has been abandoned.');
         return false;
     }
     // End
     $time_test_end = time();
     $time_test_elapsed = $time_test_end - $time_test_start;
     $time_test_elapsed_actual = $time_test_end_actual - $time_test_start_actual;
     if (!empty($min_length)) {
         if ($min_length > $time_test_elapsed_actual) {
             // The test ended too quickly, results are not valid
             self::test_run_error($test_run_manager, $test_run_request, 'This test ended prematurely.');
             return false;
         }
     }
     if (!empty($max_length)) {
         if ($max_length < $time_test_elapsed_actual) {
             // The test took too much time, results are not valid
             self::test_run_error($test_run_manager, $test_run_request, 'This test run was exhausted.');
             return false;
         }
     }
     if ($allow_cache_share && !is_file($cache_share_pt2so) && $cache_share instanceof pts_storage_object) {
         $cache_share->save_to_file($cache_share_pt2so);
         unset($cache_share);
     }
     if ($test_run_manager->get_results_identifier() != null && pts_config::read_bool_config('PhoronixTestSuite/Options/Testing/SaveInstallationLogs', 'FALSE')) {
         if (is_file($test_run_request->test_profile->get_install_dir() . 'install.log')) {
             $backup_log_dir = PTS_SAVE_RESULTS_PATH . $test_run_manager->get_file_name() . '/installation-logs/' . $test_run_manager->get_results_identifier() . '/';
             pts_file_io::mkdir($backup_log_dir, 0777, true);
             copy($test_run_request->test_profile->get_install_dir() . 'install.log', $backup_log_dir . basename($test_identifier) . '.log');
         }
     }
     // Fill in missing test details
     if (empty($arguments_description)) {
         $arguments_description = $test_run_request->test_profile->get_test_subtitle();
     }
     $file_var_checks = array(array('pts-results-scale', 'set_result_scale', null), array('pts-results-proportion', 'set_result_proportion', null), array('pts-results-quantifier', 'set_result_quantifier', null), array('pts-test-version', 'set_version', null), array('pts-test-description', null, 'set_used_arguments_description'), array('pts-footnote', null, null));
     foreach ($file_var_checks as &$file_check) {
         list($file, $set_function, $result_set_function) = $file_check;
         if (is_file($test_directory . $file)) {
             $file_contents = pts_file_io::file_get_contents($test_directory . $file);
             unlink($test_directory . $file);
             if (!empty($file_contents)) {
                 if ($set_function != null) {
                     call_user_func(array($test_run_request->test_profile, $set_function), $file_contents);
                 } else {
                     if ($result_set_function != null) {
                         if ($result_set_function == 'set_used_arguments_description') {
                             $arguments_description = $file_contents;
                         } else {
                             call_user_func(array($test_run_request, $result_set_function), $file_contents);
                         }
                     } else {
                         if ($file == 'pts-footnote') {
                             $test_run_request->test_profile->test_installation->set_install_footnote($file_contents);
                         }
                     }
                 }
             }
         }
     }
     if (empty($arguments_description)) {
         $arguments_description = 'Phoronix Test Suite v' . PTS_VERSION;
     }
     foreach (pts_client::environmental_variables() as $key => $value) {
         $arguments_description = str_replace('$' . $key, $value, $arguments_description);
         if (!in_array($key, array('VIDEO_MEMORY', 'NUM_CPU_CORES', 'NUM_CPU_JOBS'))) {
             $extra_arguments = str_replace('$' . $key, $value, $extra_arguments);
         }
     }
     // Any device notes to add to PTS test notes area?
     foreach (phodevi::read_device_notes($test_type) as $note) {
         pts_test_notes_manager::add_note($note);
     }
     // As of PTS 4.4, this is removed and superceded effectively by reporting the notes to table
     // Any special information (such as forced AA/AF levels for graphics) to add to the description string of the result?
     /*
     if(($special_string = phodevi::read_special_settings_string($test_type)) != null)
     {
     	if(strpos($arguments_description, $special_string) === false)
     	{
     		if($arguments_description != null)
     		{
     			$arguments_description .= ' | ';
     		}
     
     		$arguments_description .= $special_string;
     	}
     }
     */
     // Result Calculation
     $test_run_request->set_used_arguments_description($arguments_description);
     $test_run_request->set_used_arguments($extra_arguments);
     pts_test_result_parser::calculate_end_result($test_run_request, $active_result_buffer);
     // Process results
     pts_client::$display->test_run_end($test_run_request);
     pts_client::$display->display_interrupt_message($test_run_request->test_profile->get_post_run_message());
     pts_module_manager::module_process('__post_test_run', $test_run_request);
     $report_elapsed_time = $cache_share_present == false && $test_run_request->active->get_result() != 0;
     pts_tests::update_test_install_xml($test_run_request->test_profile, $report_elapsed_time ? $time_test_elapsed : 0);
     pts_storage_object::add_in_file(PTS_CORE_STORAGE, 'total_testing_time', $time_test_elapsed / 60);
     if ($report_elapsed_time && pts_client::do_anonymous_usage_reporting() && $time_test_elapsed >= 60) {
         // If anonymous usage reporting enabled, report test run-time to OpenBenchmarking.org
         pts_openbenchmarking_client::upload_usage_data('test_complete', array($test_run_request, $time_test_elapsed));
     }
     // Remove lock
     pts_client::release_lock($lock_file);
     return $active_result_buffer;
 }