Note that on my original system using perfmon v2.0 with linux 2.6.9, all PMCs
can be accessed even I turn on the multithreading.
So maybe I miss something while configuring the linux kernel before building
it? I used the old .config file but with no luck.
Which version of linux&perfmon kernel d
Yes, I DO turn off the threads using EFI shell, not ELILO. Sorry for my typo.
The cmdline is
:> cpuconfig threads off
:> reset
Now I have 8 processor and the physical ID of them are:
0,0,1,1,2,2,3,3
So these are 8 cores on 4 dual-core chips.
stephane eranian
2009-04-10 18:25:34
xudi
perf
Hi,
you're hitting the same errata handling code.
The kernel thinks you still have threads on or that they can
be enabled at runtime.
To actually disable threads, and if I recall correctly, you must use
cpuconfig at the EFI shell prompt. You must do something like:
fs0:> cpuconfig threads off
Th
please find the log in attachment.
Yes, now I have 8 processors through my 4 Montecito CPU. When hyper-threading
is on, I have 16 of them.
stephane eranian
2009-04-10 16:26:57
xudi
perfmon2-devel
Re: [perfmon2] pfmon error on Montecito processor
Hi,
Now re-enable debugging, via:
Hi John,
Perfmon2 cannot work as is on top of KVM, unless they have added
some PMU virtualization support.
On Fri, Apr 10, 2009 at 1:25 AM, john spurling wrote:
> Hello,
>
> Should Perfmon2 be expected to work under Linux's KVM? I'm running the
> latest Perfmon2 patch applied to the Ubuntu Jaun
Hi,
Now re-enable debugging, via:
echo 1 >/sys/kernel/perfmon/debug
echo 0 >/proc/sys/kernel/printk_ratelimit
capture the debug messages from /var/log/messages and send them to me.
If you've turned off threads, you should see half the number
of CPUs in /proc/cpcuinfo.
On Thu, Apr 9, 20
