Date: Wed, 22 Feb 2006 16:25:09 +0300 From: Andrey Chernov <ache@FreeBSD.ORG> To: Kris Kennaway <kris@obsecurity.org> Cc: ups@FreeBSD.ORG, current@FreeBSD.ORG, John Baldwin <jhb@FreeBSD.ORG> Subject: Re: [PATCH] possible fix for the runtime going backwards warnings Message-ID: <20060222132509.GA13060@nagual.pp.ru> In-Reply-To: <20060222023646.GA75290@xor.obsecurity.org> References: <200602211047.06599.jhb@freebsd.org> <20060222023646.GA75290@xor.obsecurity.org>
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--1yeeQ81UyVL57Vl7 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Feb 21, 2006 at 09:36:46PM -0500, Kris Kennaway wrote: > On Tue, Feb 21, 2006 at 10:47:04AM -0500, John Baldwin wrote: > > The latest round of calcru() changes accidentally changed calccru() to = use the=20 > > wrong rusage_ext structure (p->p_rux vs p->p_crux) when calculating usa= ge=20 > > times for children. The patch fixes calccru() to use p->p_crux again. = It=20 > > also moves the ruadd() in exit1() even later in the function so that it= takes=20 > > the dying thread's last time slice into account. Please test it and le= t me=20 > > know if it makes the messages go away (or if it makes things worse!) T= hanks! > >=20 > > http://www.FreeBSD.org/~jhb/patches/calccru.patch >=20 > I think you committed this already, right? >=20 > I'm still getting calcru spam on the 3 SMP machines that I upgraded > with fresh sources: I too (but less than before patch), UP machine: Feb 22 03:37:45 pobrecita kernel: calcru: runtime went backwards from 29254= 2 usec to 292537 usec for pid 29 (pagezero) Feb 22 03:37:45 pobrecita kernel: u 0:0/0 s 38:292542/292537 i 0:0/0 --=20 http://ache.pp.ru/ --1yeeQ81UyVL57Vl7 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.1 (FreeBSD) iQCVAwUBQ/xmNeJgpPLZnQjrAQKoAgQA7hyzdBJwqizkulZOMgXst4a8peln3AIP aTBa8c8EC1BNlUfT/cyWzcL9kQrcKEs6fAJpaBzMis6WdzAr4THNAxl4PjB0Ivna Z9asFx0ediESFUrClPG6dWuxJwDthTiQBXpi+ApAa3VAI9P9JQo+hWRuS+FkMvrH yfzuMjIqjTo= =Sh7X -----END PGP SIGNATURE----- --1yeeQ81UyVL57Vl7--
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