Date: Sat, 10 May 2003 15:48:39 +0200 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Paul Richards <paul@freebsd-services.com> Cc: current@freebsd.org Subject: Re: Interrupt latency problems Message-ID: <22333.1052574519@critter.freebsd.dk> In-Reply-To: Your message of "10 May 2003 13:37:27 BST." <1052570246.27195.6.camel@cf.freebsd-services.com>
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In message <1052570246.27195.6.camel@cf.freebsd-services.com>, Paul Richards wr ites: >I'm having real problems with current with heavy disk activity. > >When working in X and updating ports which causes a lot of disk activity >I get *very* poor interactive responses. Keypresses can not appear for >seconds and mouse movement is very jerky and unresponsive. > >I'm wondering if something is holding locks a long time in interrupt >handlers and causing mouse/keyboard interrupts to be lost? We have this lock called "Giant" which we're trying to get rid off... -- 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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