Time::HiRes#

📦 std

High-resolution timers and sleeps: microsecond gettimeofday, sub-second sleep, alarm, and POSIX clocks.

Mirrors perl5-modules/Time-HiRes-1.9764/HiRes.xs. All functions operate through the perl5 C API (p5api).

Functions#

Other Functions#

time#

HiRes.xs:1393-1406 — time()

gettimeofday#

HiRes.xs:1375-1391 — gettimeofday()

usleep#

HiRes.xs:1139-1171usleep($microseconds)

nanosleep#

HiRes.xs:1175-1191nanosleep($nanoseconds)

sleep#

HiRes.xs:1207-1247sleep($seconds)

alarm#

HiRes.xs:1296-1343alarm($seconds, $interval=0)

ualarm#

HiRes.xs:1265-1293ualarm($usecs, $interval)

setitimer#

HiRes.xs:1414-1445setitimer($which, $value, $interval)

getitimer#

HiRes.xs:1447-1465getitimer($which)

clock_gettime#

HiRes.xs:1567-1582clock_gettime($clock_id)

clock_getres#

HiRes.xs:1598-1615clock_getres($clock_id)

clock#

HiRes.xs:1673-1682 — clock()

clock_nanosleep#

HiRes.xs:1631-1651clock_nanosleep($clock_id, $nsec, $flags)

tv_interval#

tv_interval(\@t0, \@t1?) — pure Perl in HiRes.pm, native here

utime#

HiRes.xs:1471-1551utime($atime, $mtime, @files)

stat_impl#

HiRes.xs:1696-1735 — stat/lstat with nanosecond timestamps. TODO: perl5 creates a fakeop and calls pp_stat to populate PL_statcache. We do direct libc stat. -M/-A/-C after Time::HiRes::stat() won’t see cached result.