ru_nswap          598 ext/pcntl/pcntl.c 		PHP_RUSAGE_PARA(from, to, ru_nswap);
ru_nswap          153 ext/standard/microtime.c 	PHP_RUSAGE_PARA(ru_nswap);
ru_nswap           89 win32/getrusage.h 	zend_long ru_nswap;