Memory usage/profiling in PHP

I'm using Netbeans + Xdebug + WinCacheGrind and finally got it to work, but there is no memory us开发者_运维百科age information. Is it an Xdebug or WinCachegrind limit?

I think neither {K,Win}Cachegrind do not handle memory usage, but there still seems to be solutions to view memory_usage in a raw xdebug trace. Example here : http://morefedora.blogspot.com/2008/05/profile-memory-usage-of-php-scripts.html