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<?php $start = microtime(true); //index.php $end = microtime(true); $time = number_format(($end - $start), 2); echo ‘This page loaded in ‘, $time, ‘ seconds‘; ?>
strace -o /tmp/output.txt -T -tt -F -e trace=all -p 31920
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原文地址：http://www.cnblogs.com/jackluo/p/5740806.html
