+
+function common_perf_counter($key, $val=null)
+{
+ global $_perfCounters;
+ if (isset($_perfCounters)) {
+ if (common_config('site', 'logperf')) {
+ if (array_key_exists($key, $_perfCounters)) {
+ $_perfCounters[$key][] = $val;
+ } else {
+ $_perfCounters[$key] = array($val);
+ }
+ if (common_config('site', 'logperf_detail')) {
+ common_log(LOG_DEBUG, "PERF COUNTER HIT: $key $val");
+ }
+ }
+ }
+}
+
+function common_log_perf_counters()
+{
+ if (common_config('site', 'logperf')) {
+ global $_startTime, $_perfCounters;
+
+ if (isset($_startTime)) {
+ $endTime = microtime(true);
+ $diff = round(($endTime - $_startTime) * 1000);
+ common_log(LOG_DEBUG, "PERF runtime: ${diff}ms");
+ }
+ $counters = $_perfCounters;
+ ksort($counters);
+ foreach ($counters as $key => $values) {
+ $count = count($values);
+ $unique = count(array_unique($values));
+ common_log(LOG_DEBUG, "PERF COUNTER: $key $count ($unique unique)");
+ }
+ }
+}
+
+function common_is_email($str)
+{
+ return (strpos($str, '@') !== false);
+}
+
+function common_init_stats()
+{
+ global $_mem, $_ts;
+
+ $_mem = memory_get_usage(true);
+ $_ts = microtime(true);
+}
+
+function common_log_delta($comment=null)
+{
+ global $_mem, $_ts;
+
+ $mold = $_mem;
+ $told = $_ts;
+
+ $_mem = memory_get_usage(true);
+ $_ts = microtime(true);
+
+ $mtotal = $_mem - $mold;
+ $ttotal = $_ts - $told;
+
+ if (empty($comment)) {
+ $comment = 'Delta';
+ }
+
+ common_debug(sprintf("%s: %d %d", $comment, $mtotal, round($ttotal * 1000000)));
+}