Date: Sat, 22 Mar 2008 07:31:47 +0000 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Julian Elischer <julian@elischer.org> Cc: Barney Cordoba <barney_cordoba@yahoo.com>, current@freebsd.org Subject: Re: kvm_read() vs ioctl performance Message-ID: <9428.1206171107@critter.freebsd.dk> In-Reply-To: Your message of "Fri, 21 Mar 2008 18:53:06 MST." <47E46682.4020403@elischer.org>
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In message <47E46682.4020403@elischer.org>, Julian Elischer writes: >>> tried a shared memory page? >> >> No, but I built a test and kvm_read is 70 times >> faster, in >> case anyone is interested. The shared memory approach is much better than that, you should go that way. Look at the adlink driver for an example. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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