diff --git a/src/applications/xhprof/view/symbol/PhabricatorXHProfProfileSymbolView.php b/src/applications/xhprof/view/symbol/PhabricatorXHProfProfileSymbolView.php
index 41aac4259a..123232b147 100644
--- a/src/applications/xhprof/view/symbol/PhabricatorXHProfProfileSymbolView.php
+++ b/src/applications/xhprof/view/symbol/PhabricatorXHProfProfileSymbolView.php
@@ -1,150 +1,150 @@
 <?php
 
 /*
  * Copyright 2012 Facebook, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *   http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 
 /**
  * @phutil-external-symbol function xhprof_compute_flat_info
  */
 final class PhabricatorXHProfProfileSymbolView
   extends PhabricatorXHProfProfileView {
 
   private $profileData;
   private $symbol;
 
   public function setProfileData(array $data) {
     $this->profileData = $data;
     return $this;
   }
 
   public function setSymbol($symbol) {
     $this->symbol = $symbol;
     return $this;
   }
 
   public function render() {
     DarkConsoleXHProfPluginAPI::includeXHProfLib();
 
     $data = $this->profileData;
 
     $GLOBALS['display_calls'] = true;
     $totals = array();
     $flat = xhprof_compute_flat_info($data, $totals);
     unset($GLOBALS['display_calls']);
 
     $symbol = $this->symbol;
 
     $children = array();
     $parents = array();
     foreach ($this->profileData as $key => $counters) {
       if (strpos($key, '==>') !== false) {
         list($parent, $child) = explode('==>', $key, 2);
       } else {
         continue;
       }
       if ($parent == $symbol) {
         $children[$key] = $child;
       } else if ($child == $symbol) {
         $parents[$key] = $parent;
       }
     }
 
     $rows = array();
     $rows[] = array(
       'Metrics for this Call',
       '',
       '',
       '',
     );
-    $rows[] = array(
-      $this->renderSymbolLink($symbol),
-      $flat[$symbol]['ct'],
-      $flat[$symbol]['wt'],
-      '100%',
-    );
+    $rows[] = $this->formatRow(
+      array(
+        $symbol,
+        $flat[$symbol]['ct'],
+        $flat[$symbol]['wt'],
+        1.0,
+      ));
 
     $rows[] = array(
       'Parent Calls',
       '',
       '',
       '',
     );
     foreach ($parents as $key => $name) {
-      $rows[] = array(
-        $this->renderSymbolLink($name),
-        $data[$key]['ct'],
-        $data[$key]['wt'],
-        '',
-      );
+      $rows[] = $this->formatRow(
+        array(
+          $name,
+          $data[$key]['ct'],
+          $data[$key]['wt'],
+          '',
+        ));
     }
 
 
     $rows[] = array(
       'Child Calls',
       '',
       '',
       '',
     );
     $child_rows = array();
     foreach ($children as $key => $name) {
       $child_rows[] = array(
         $name,
         $data[$key]['ct'],
         $data[$key]['wt'],
         $data[$key]['wt'] / $flat[$symbol]['wt'],
       );
     }
     $child_rows = isort($child_rows, 2);
     $child_rows = array_reverse($child_rows);
-    $rows = array_merge($rows, $this->formatRows($child_rows));
+    $rows = array_merge(
+      $rows,
+      array_map(array($this, 'formatRow'), $child_rows));
 
     $table = new AphrontTableView($rows);
     $table->setHeaders(
       array(
         'Symbol',
         'Count',
         'Wall Time',
         '%',
       ));
     $table->setColumnClasses(
       array(
         'wide pri',
         'n',
         'n',
         'n',
       ));
 
     $panel = new AphrontPanelView();
     $panel->setHeader('XHProf Profile');
     $panel->appendChild($table);
 
     return $panel->render();
   }
 
-  private function formatRows($rows) {
-    $result = array();
-    foreach ($rows as $row) {
-      $result[] = array(
-        $this->renderSymbolLink($row[0]),
-        number_format($row[1]),
-        number_format($row[2]).' us',
-        sprintf('%.1f%%', 100 * $row[3]),
-      );
-    }
-    return $result;
+  private function formatRow(array $row) {
+    return array(
+      $this->renderSymbolLink($row[0]),
+      number_format($row[1]),
+      number_format($row[2]).' us',
+      ($row[3] != '' ? sprintf('%.1f%%', 100 * $row[3]) : ''),
+    );
   }
 
 }