Messages in this thread | | | Date | Tue, 20 Sep 2005 09:14:01 +0200 | From | Ingo Molnar <> | Subject | Re: [ANNOUNCE] ktimers subsystem |
| |
* Thomas Gleixner <tglx@linutronix.de> wrote:
> > Applications call gettimeofday for a variety of reasons. One is because it > > is widely available over different platformsn and application want to > > schedule things, need timestamps etc etc. > > Accepted. But I still doubt that the number of calls to gettimeofday > is in anyway justified. The question I'm asking if it is really worth > a long and epic discussion about a single add instruction ?
it is absolutely and emphatically not worth it.
even in a hypothetical scenario [which this patchset is _not_ analogous to] where a new, clean subsystem introduces significant overhead, but the old subsystem is unclean, we frequently go with the new one - because it's so much easier to speed up something that is clean, robust and well-designed, than something that has been cobbled together!
Ingo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |