Date: Sat, 22 Mar 2008 13:02:00 +0000 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Barney Cordoba <barney_cordoba@yahoo.com> Cc: Julian Elischer <julian@elischer.org>, current@freebsd.org Subject: Re: kvm_read() vs ioctl performance Message-ID: <10924.1206190920@critter.freebsd.dk> In-Reply-To: Your message of "Sat, 22 Mar 2008 05:58:17 MST." <523743.91444.qm@web63914.mail.re1.yahoo.com>
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In message <523743.91444.qm@web63914.mail.re1.yahoo.com>, Barney Cordoba writes : >Is this a page of memory, or some other "page" Yes, chunks of 4K (usually). >concept? As I mentioned, there are n structures, and >there could be 20K or more of them. The structures are >72 bytes. Its also read-only, and not dreadfully >important that the stats are exactly tied to a precise >moment in time. The point about shared memory is that there are no system calls involved, so they are for all pratical points of view free. -- 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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