lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Mon, 10 Sep 2007 10:25:57 +0100 From: James Chapman <jchapman@...alix.com> To: Andi Kleen <andi@...stfloor.org> CC: netdev@...r.kernel.org, hadi@...erus.ca, davem@...emloft.net, jeff@...zik.org, mandeep.baines@...il.com, ossthema@...ibm.com Subject: Re: RFC: possible NAPI improvements to reduce interrupt rates for low traffic rates Andi Kleen wrote: > James Chapman <jchapman@...alix.com> writes: > On some platforms the precise timers (like ktime_get()) can be slow, > but often they are fast. It might make sense to use a shorter > constant time wait on those with fast timers at least. Right now this > cannot be known by portable code, but there was a proposal some time > ago to export some global estimate to tell how fast > ktime_get().et.al. are. That could be reviewed. Interesting. Is ktime_get() fast enough on P4 systems? I'll be using those to test with. -- James Chapman Katalix Systems Ltd http://www.katalix.com Catalysts for your Embedded Linux software development - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists