; Enable xhprof extension module ; extension=xhprof.so ; You can either pass the directory location as an argument to the constructor for XHProfRuns_Default() or set xhprof.output_dir ini param. ;xhprof.output_dir='' ;xhprof.collect_additional_info=0 ;xhprof.sampling_interval=100000 ;xhprof.sampling_depth=0x7fffffff