Date: Tue, 27 Dec 2005 16:52:35 +0000 From: "Wojciech A. Koszek" <dunstan@freebsd.czest.pl> To: freebsd-current@freebsd.org Subject: [CALL FOR TESTERS] Accounting implemented as separate kernel thread Message-ID: <20051227165235.GA53241@FreeBSD.czest.pl>
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Hello, There were some problems in our current accounting implementation. These were reported by Richard Todd: http://lists.freebsd.org/pipermail/freebsd-current/2005-December/059149.html I've decided to solve this problem and came up with implementation of John Baldwin's idea: separate kernel thread responsible for acconting. It is created when needed and destroyed when accounting is being disabled. Also handles resume/suspend states. I did some tests and couldn't get a panic. The patch is here: http://freebsd.czest.pl/dunstan/FreeBSD/kern_acct.0.patch It would be probably useful to replace current static SYSCTL_INTs and replace them with SYSCTL_PROC of CTLTYPE_INT type in order to call wakeup() just after configuration value change. Comments are (as always) welcome! -- * Wojciech A. Koszek && dunstan@FreeBSD.czest.pl
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