SuperMicro i7 (UP) - very slow performance

[Kostik Belousov]

On Sat, Sep 18, 2010 at 08:32:32AM -0500, Bryce Edwards wrote:
> I have a Supermicro with the C7X58 motherboard and an i7 930 cpu, and
> it is nowhere near the performance it should be.  A buildworld just
> took 22.5 hours!
I use 5046A-XB with i7-930 as home workstation, running latest RELENG_8,
and I do not have the problem you noted. My BIOS is v1.1, USB legacy is
enabled.

I did noted one issue with hw, built-in firewire controller generated
too high interrupt rate, so I usually do not load firewire.ko unless
needed.

> 
> bryce at tahiti[~]>uname -a
> FreeBSD tahiti.bryce.net 8.1-STABLE FreeBSD 8.1-STABLE #0: Tue Sep  7
> 22:45:38 CDT 2010
> root at tahiti.bryce.net:/usr/obj/usr/src/sys/GENERIC  amd64
> 
> I have disabled "Legacy USB Support" in the BIOS and that helped, but
> I'm not finding any other setting that are getting things where they
> need to be.
> 
> I have tested the two system drives independently (currently a zfs
> mirror), so it is not likely to be an hdd issue.
> 
> Here's the verbose dmesg boot details - http://www.bryce.net/files/dmesg.boot
> 
> And, the IPMI ASL in case that is of any value -
> http://www.bryce.net/files/tahiti.asl
> 
> Currently, I'm not running powerd, performance is not better with it running.
> 
> root at tahiti[/usr/src]#cat /boot/loader.conf
> ahci_load="YES"
> coretemp_load="YES"
> 
> zfs_load="YES"
> vfs.root.mountfrom="zfs:system"
> #vfs.zfs.prefetch_disable=1
> 
> kern.maxfiles=16384
> 
> # async i/o
> aio_load="YES"
> 
> # VirtualBox
> #vboxdrv_load="YES"
> 
> # SMB
> #ichsmb_load="YES"
> #smb_load="YES"
> 
> # Power Saving
> #kern.hz="100"
> 
> # Disable APIC subsystem - no longer needed when disabling lapic below
> #hint.apic.0.disabled="1"
> 
> # Disable local APIC (LAPIC) timer - for C3 state
> #hint.apic.0.clock="0"
> 
> # Avoid 128 interrupts/sec per core, at cost of scheduling precision
> #hint.atrtc.0.clock="0"
> 
> # Disable throttle control (and rely on EIST)
> hint.p4tcc.0.disabled="1"
> hint.acpi_throttle.0.disabled="1"
> 
> Thanks in advance for your time!
> 
> ::Bryce::
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