function xhprof_compute_inclusive_times in XHProf 6

Same name and namespace in other branches

1. 7 xhprof.inc \xhprof_compute_inclusive_times()

1 call to xhprof_compute_inclusive_times()

xhprof_compute_flat_info in ./xhprof.inc

Analyze hierarchical raw data, and compute per-function (flat) inclusive and exclusive metrics.

File

./xhprof.inc, line 1643

Code

function xhprof_compute_inclusive_times($raw_data) {
  $metrics = xhprof_get_metrics($raw_data);
  $symbol_tab = array();

  /*
   * First compute inclusive time for each function and total
   * call count for each function across all parents the
   * function is called from.
   */
  foreach ($raw_data as $parent_child => $info) {
    list($parent, $child) = xhprof_parse_parent_child($parent_child);
    if ($parent == $child) {

      /*
       * XHProf PHP extension should never trigger this situation any more.
       * Recursion is handled in the XHProf PHP extension by giving nested
       * calls a unique recursion-depth appended name (for example, foo@1).
       */
      watchdog("Error in Raw Data: parent & child are both: %parent", array(
        '%parent' => $parent,
      ));
      return;
    }
    if (!isset($symbol_tab[$child])) {
      $symbol_tab[$child] = array(
        "ct" => $info["ct"],
      );
      foreach ($metrics as $metric) {
        $symbol_tab[$child][$metric] = $info[$metric];
      }
    }
    else {

      // increment call count for this child
      $symbol_tab[$child]["ct"] += $info["ct"];

      // update inclusive times/metric for this child
      foreach ($metrics as $metric) {
        $symbol_tab[$child][$metric] += $info[$metric];
      }
    }
  }
  return $symbol_tab;
}