Date: Wed, 10 Aug 2005 11:23:29 -0400 From: "Robert C. Noland III" <rnoland@2hip.net> To: Maxim.Sobolev@portaone.com Cc: freebsd-current@freebsd.org Subject: Re: system resources in -current Message-ID: <1123687409.1011.4.camel@bbeng-laptop.acs.internap.com> In-Reply-To: <42FA11E8.3030709@portaone.com> References: <1123630551.994.9.camel@bbeng-laptop.acs.internap.com> <1123671620.3854.8.camel@buffy.york.ac.uk> <1123684037.1011.1.camel@bbeng-laptop.acs.internap.com> <42FA11E8.3030709@portaone.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, 2005-08-10 at 17:40 +0300, Maxim Sobolev wrote: > Robert C. Noland III wrote: > > On Wed, 2005-08-10 at 12:00 +0100, Gavin Atkinson wrote: > > > >>On Tue, 2005-08-09 at 19:35 -0400, Robert C. Noland III wrote: > >> > >>>Since stepping up to 6-current just prior to releng_6 and now on > >>>7-current, the %cpu consumed by system as reported by systat -vmstat and > >>>top seems incredibly high. I have all of the debugging options turned > >>>off in the kernel, as well as: > >>> > >>>it rarely ever goes below 10%, and frequently is 25 - 50% and is > >>>generally significantly higher than user % > >>> > >>>#top -S > >>> > >>>last pid: 23808; load averages: 0.55, 0.55, 0.54 up 0+01:46:06 19:34:24 > >>>138 processes: 3 running, 111 sleeping, 24 waiting > >>>CPU states: 3.1% user, 0.0% nice, 16.0% system, 0.8% interrupt, 80.1% idle > >> > >>I am also seeing this one one of my systems (a laptop) running 6. For > >>me, the effect only starts after it has been running for a while, > >>usually between 8 and 24 hours. Do you also see this, or is it > >>continuous for you? The only cure I have found is to reboot the > >>machine. > > > > > > > > No, my issue is persistent. Even single user sys consumes between .8 > > and 2.5%. > > It's possible that you have interrupt storm due to the ACPI issues or > due to the some incompatibility with your hardware. Try to run systat > -vm and check if any of the devices generates large number of interrupts > (more than 1,000). bbeng-laptop# vmstat -i interrupt total rate irq0: clk 3759063 998 irq1: atkbd0 666 0 irq4: sio0 1 0 irq6: fdc0 1 0 irq7: ppc0 1 0 irq8: rtc 481352 127 irq9: pcm0 acpi0 54 0 irq11: cbb0 cbb1+++ 270224 71 irq13: npx0 1 0 irq14: ata0 12909 3 irq15: ata1 133 0 Total 4524405 1201 No, all of the load is attributed to system, interrupt load seems fine. robert. > -Maxim > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?1123687409.1011.4.camel>