Date: Tue, 9 May 2006 22:28:33 GMT From: John Birrell <jb@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 96885 for review Message-ID: <200605092228.k49MSXro042706@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=96885 Change 96885 by jb@jb_freebsd2 on 2006/05/09 22:27:45 Add the machine-dependent backend for the cyclic subsystem. This defaults to use the interrupt that drives hardclock because on most Intel processors that's the best time-based interrupt source. To-Do: detect the presence of the HPET and use that if it. It will need to be enabled/disabled/reprogrammed so that it only interrupts when there is a pending cyclic timer and only at the next interval. Affected files ... .. //depot/projects/dtrace/src/sys/cddl/i386/cyclic_machdep.c#1 add Differences ...
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