Date: Mon, 25 May 2009 11:40:27 +0300 From: Alexander Motin <mav@FreeBSD.org> To: Pavel Gorshkov <gorshkov.pavel@gmail.com> Cc: freebsd-stable@freebsd.org Subject: Re: powerd (-adp/-hadp) strangeness on 7.2/amd64 Message-ID: <4A1A597B.5050600@FreeBSD.org> In-Reply-To: <1242951786.00115396.1242940803@10.7.7.3> References: <1242951786.00115396.1242940803@10.7.7.3>
next in thread | previous in thread | raw e-mail | index | archive | help
Pavel Gorshkov wrote: > Every time I create/mount or unmount/detach a MFS filesystem, > powerd would *immediately* react with something like the > following: > > ### mdmfs -s 200m md /mfs > load 200%, current freq 600 MHz ( 9), wanted freq 1092 MHz > changing clock speed from 600 MHz to 1200 MHz > load 4%, current freq 1200 MHz ( 5), wanted freq 955 MHz > changing clock speed from 1200 MHz to 1000 MHz > ### umount /mfs && mdconfig -d -u 0 > load 200%, current freq 1000 MHz ( 6), wanted freq 1910 MHz > changing clock speed from 1000 MHz to 1982 MHz > > or even > > load 4%, current freq 1600 MHz ( 3), wanted freq 1519 MHz > ### mdmfs here > load 100%, current freq 1600 MHz ( 3), wanted freq 4532 MHz > > Is that expected behaviour? :-) CPU load above 100% possible for SMP systems, it just sum from all CPUs. Wanted freqs above maximum are also possible, when `hiadaptive` profile is used. Probably NFS creates some significant load while mounting. -- Alexander Motin
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4A1A597B.5050600>