On Fri, Oct 15, 2010 at 6:08 PM, Adam Williamson <awilliam@xxxxxxxxxx> wrote: > On Fri, 2010-10-15 at 10:47 -0600, Orion Poplawski wrote: >> On 10/14/2010 05:58 PM, Jesse Keating wrote: >> > -----BEGIN PGP SIGNED MESSAGE----- >> > Hash: SHA1 >> > >> > On 10/14/2010 04:49 PM, John Poelstra wrote: >> >> That's what's so mysterious, very little CPU time or activity. >> > >> > I saw this at one point, and the kernel folks found it to be a load >> > balancing thing gone awry in the kernel. >> > >> > 2.6.35.6-33.rc1 seems to include a patch: >> > >> > - - Add sched-35-increment-cache_nice_tries-only-on-periodic-lb.patch, >> > another fix for excessive scheduler load balancing. >> > >> > That should be in kernel-2.6.35.6-39.fc14, which is in dist-f14. My >> > load went down and the laptop (also an M1330) has cooled down a bit, but >> > it is still above one usually. >> >> With 2.6.35.6-43.fc14.i686.PAE, after letting the machine quiet down a bit >> after logging in and starting up Firefox and Thunderbird: >> >> >> top - 10:45:59 up 8 min, 14 users, load average: 0.81, 1.65, 1.12 >> Tasks: 184 total, 2 running, 182 sleeping, 0 stopped, 0 zombie >> Cpu(s): 2.0%us, 0.8%sy, 0.0%ni, 97.0%id, 0.2%wa, 0.0%hi, 0.0%si, 0.0%st >> >> Top causes for wakeups: >> 40.6% (117.7) [kernel scheduler] Load balancing tick >> 29.8% ( 86.4) firefox >> 5.9% ( 17.1) konsole >> 5.4% ( 15.6) PS/2 keyboard/mouse/touchpad interrupt >> 3.7% ( 10.7) thunderbird-bin >> 3.6% ( 10.5) [ata_piix] <interrupt> >> >> Actually moving the mouse and typing seems to bring the load back up to 1. >> Never saw it go below .8 > > Now I actually look at the load stats, I do seem to have something like > this problem, I just never noticed (I thought Poelcat was talking about > CPU load % at first): > > [adamw@adam ~]$ uptime > 10:06:28 up 1:00, 2 users, load average: 0.77, 0.76, 0.81 > > on a system where all I've done is booted and sat on IRC in a meeting > for that hour, using Firefox but nothing super crazy. Similar for me too [perobinson@neo ~]$ uptime 18:17:45 up 2 days, 23:44, 8 users, load average: 0.93, 0.91, 0.95 Peter -- test mailing list test@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe: https://admin.fedoraproject.org/mailman/listinfo/test
