Date: Wed, 24 Jul 2013 17:16:21 -0700 From: Adrian Chadd <adrian@freebsd.org> To: Super Bisquit <superbisquit@gmail.com> Cc: FreeBSD Hackers <freebsd-hackers@freebsd.org>, freebsd-current <freebsd-current@freebsd.org>, FreeBSD PowerPC ML <freebsd-ppc@freebsd.org> Subject: Re: Kern.hz= +1 hertz at anything 2500 and above. Message-ID: <CAJ-VmonFMXg_PcG=daU7Vk2r89epr6PpMHGdbnMLyFY=FgvNYQ@mail.gmail.com> In-Reply-To: <CA%2BWntOvcN%2BLEog5_W6aQUT%2BZw_5ZgEkdYEcR8QTW3zZSUOuypA@mail.gmail.com> References: <CA%2BWntOvcN%2BLEog5_W6aQUT%2BZw_5ZgEkdYEcR8QTW3zZSUOuypA@mail.gmail.com>
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Well, why is it reducing latency? That's the thing you should investigate. Is it because processes aren't getting enough time? or too much time? Or the audio device isn't getting enough time to run? etc. -adrian On 24 July 2013 15:35, Super Bisquit <superbisquit@gmail.com> wrote: > http://lists.freebsd.org/pipermail/freebsd-stable/2009-September/051789.html > > This is the thread that I was referring to earlier. Since the patch is for > 2009, what are the chances it would work with 10.x or 9.x? > > On PowerPC machines with a low MHz rate- or any machine with a CPU rate of > 800 MHz or less- increasing the kern.hz improves performance and cuts down > on latency. I am building audio applications and suites that are used in > different projects. A G3 based machine should be able to run a kernel with > kern.hz=5000 with no problem. Unfortunately, this cannot be done. > > @PowerPC: some of you may find that performance does increase at a higher > kern.hz rate. > > @Hackers & Current: What's the chance that the default rate limit can be > raised to 5k? > _______________________________________________ > freebsd-ppc@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-ppc > To unsubscribe, send any mail to "freebsd-ppc-unsubscribe@freebsd.org"
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