Date: Sun, 3 Oct 2004 18:04:38 +1000 (EST) From: Bruce Evans <bde@zeta.org.au> To: John Baldwin <jhb@FreeBSD.org> Cc: arch@FreeBSD.org Subject: Re: [PATCH] Rework how we store process times in the kernel and deferring calcru() Message-ID: <20041003180329.G6058@delplex.bde.org> In-Reply-To: <200410011100.42302.jhb@FreeBSD.org> References: <200410011100.42302.jhb@FreeBSD.org>
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On Fri, 1 Oct 2004, John Baldwin wrote: > I'll commit this soonish unless there are any objections. The basic idea is > to store process times resource usage as raw data (i.e. as bintimes and tick > counts) for both process usage and child usage and only calculate the timeval > style times if they are explicitly asked for. This lets us avoid always > calling calcru() to calculate the timeval values in exit1() for example. A > more detailed listing of the changes follows: > ... > The patch is at http://www.freebsd.org/~jhb/patches/rusage_ext.patch and is > largely based on a patch given to me by bde@. Thanks for finishing this. I will send private mail about one of the details. Hope you don't get too much mail :-). Bruce
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