Date: Sun, 29 Apr 2012 17:29:27 +0300 From: Alex Kozlov <spam@rm-rf.kiev.ua> To: Alexander Motin <mav@FreeBSD.org>, freebsd-stable@freebsd.org Subject: Re: High load event idl. Message-ID: <20120429142927.GA59818@ravenloft.kiev.ua> In-Reply-To: <4F9D4491.2060007@FreeBSD.org> References: <CAPjTQNGts290DyjORNfir8_rZ5S_vdog%2BJMEBA9mc2vJhUa=jg@mail.gmail.com> <4F9CCEF2.6050609@FreeBSD.org> <20120429155512.M91148@sola.nimnet.asn.au> <4F9CDE91.1060300@FreeBSD.org> <CAPjTQNF=0Hgq_7BxeK_8o6DRQ%2BUJ_r94Y3PqwF8f_ccDeA_hHQ@mail.gmail.com> <4F9D2F0C.4050501@FreeBSD.org> <20120429122714.GA56829@ravenloft.kiev.ua> <4F9D3DF8.9000800@FreeBSD.org> <20120429133056.GA58422@ravenloft.kiev.ua> <4F9D4491.2060007@FreeBSD.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sun, Apr 29, 2012 at 04:39:29PM +0300, Alexander Motin wrote: > On 04/29/12 16:30, Alex Kozlov wrote: > > On Sun, Apr 29, 2012 at 04:11:20PM +0300, Alexander Motin wrote: > >> On 04/29/12 15:27, Alex Kozlov wrote: > >>> On Sun, Apr 29, 2012 at 03:07:40PM +0300, Alexander Motin wrote: > >>>> On 04/29/12 15:04, Oliver Pinter wrote: > >>>>> Removing dummynet from kernel don't chanage anything, that is releated > >>>>> to load average. The loadavg hold to 0.70 +/- 0.2. (single user : sh + > >>>>> top) > >>>> > >>>> New ktr dump? > >>> I have similar issue on one of my laptops. Should I provide ktr dump? > >>> http://lists.freebsd.org/pipermail/freebsd-current/2011-September/027133.html > >> In your case HPET also shares interrupt with other devices. I suspect > >> that may be a reason. Every time when swi thread runs loadavg, other CPU > >> runs shared interrupt handler, that is accounted as result. Please show > >> your verbose dmesg. > > Attached. > In your case HPET could solely use IRQ22 that seems free now. After > recent changes in ACPI code it is detected before PCI devices and so > doesn't avoids sharing. You may try to hint it specific IRQ by adding to > loader,conf line: > hint.hpet.0.allowed_irqs="0x00400000" Thanks, it helped. Still it would be nice, if loadavg accounting was fixed. -- Adios
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20120429142927.GA59818>