From owner-freebsd-hackers Mon Aug 6 12:50: 7 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from elvis.mu.org (elvis.mu.org [216.33.66.196]) by hub.freebsd.org (Postfix) with ESMTP id 3AD4137B403 for ; Mon, 6 Aug 2001 12:50:05 -0700 (PDT) (envelope-from bright@elvis.mu.org) Received: by elvis.mu.org (Postfix, from userid 1192) id 242B481D05; Mon, 6 Aug 2001 14:49:55 -0500 (CDT) Date: Mon, 6 Aug 2001 14:49:55 -0500 From: Alfred Perlstein To: Jeff Behl Cc: "'freebsd-hackers@freebsd.org'" Subject: Re: timing question Message-ID: <20010806144955.O85642@elvis.mu.org> References: <0307F3737A2AD511A42200D0B7A071919A402F@dopey.corp.expertcity.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <0307F3737A2AD511A42200D0B7A071919A402F@dopey.corp.expertcity.com>; from jeff@expertcity.com on Mon, Aug 06, 2001 at 10:49:05AM -0700 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG * Jeff Behl [010806 12:48] wrote: > please excuse and direct me to the right place if this isn't the appropriate > place to post this sort of question.... > > we're looking into moving to freebsd (yea!), but found the following > problem. It seems that the shortest amount of time the below code will > sleep for is 20 seconds! any call to nanosleep for 5,10, etc miliseconds > returns a 20 ms delay. are we doing something wrong? You may have to increase the kernel value for HZ so that you get more fine grained clock interrupts. -- -Alfred Perlstein [alfred@freebsd.org] Ok, who wrote this damn function called '??'? And why do my programs keep crashing in it? To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message