]> CyberLeo.Net >> Repos - FreeBSD/FreeBSD.git/commit
projects / FreeBSD / FreeBSD.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 312c5e1) | patch
MFcalloutng:
authorAlexander Motin <mav@FreeBSD.org>
Sun, 17 Feb 2013 18:42:30 +0000 (18:42 +0000)
committerAlexander Motin <mav@FreeBSD.org>
Sun, 17 Feb 2013 18:42:30 +0000 (18:42 +0000)
commita937c5078f846614248794a0f01f02aa012d21b5
tree510b0e561b28364a36689b25592e08e597967514tree | snapshot
parent312c5e1aeb675367019790eada379522a91a65e9commit | diff
MFcalloutng:
Microoptimize i8254 one-shot operation mode (disabled by default to allow
timecounter functionality) by not writing to mode and MSB registers when
it is not required.  This saves several microseconds of CPU time per call,
reducing minimal measured interrupts interval to 19.5us.
sys/x86/isa/clock.c diff | blob | history
Unnamed repository; edit this file 'description' to name the repository.