Time::HiRes - 高精度のalarm, sleep, gettimeofday, インターバル・タイマー - perldoc.jpTime::HiRes - High resolution alarm, sleep, gettimeofday, interval timers Time::HiRes - 高精度のalarm, sleep, gettimeofday, インターバル・タイマー 概要¶ use Time::HiRes qw( usleep ualarm gettimeofday tv_interval ); usleep ($microseconds); ualarm ($microseconds); ualarm ($microseconds, $interval_microseconds); $t0 = [gettimeofday]; ($seconds, $microseconds) = gettimeofday; $elapsed = tv_interval ( $t0, [$seconds, $
