Re: KVM and WinPE failure

[Ryan Harper <ryanh@us.ibm.com>]

* jieryn@gmail.com <jieryn@gmail.com> [2008-03-06 18:03]:
> On Thu, Mar 6, 2008 at 6:19 PM, Ryan Harper <ryanh@us.ibm.com> wrote:
> 
> >
> > (dethklok) kvm-63 % ./kvm_stat
> > Please mount debugfs ('mount -t debugfs debugfs /sys/kernel/debug')
> > and ensure the kvm modules are loaded
> > (dethklok) kvm-61 % sudo mount -t debugfs debugfs /sys/kernel/debug
> >
> > then run ./kvm_stat again
> >
> >
> jesse@indigo ~ $ lsmod | fgrep kvm
> kvm_intel              34272  1
> kvm                   138120  1 kvm_intel
> jesse@indigo ~ $ mount | fgrep debug
> debugfs on /sys/kernel/debug type debugfs (rw)
> jesse@indigo ~ $ kvm_stat
> Please mount debugfs ('mount -t debugfs debugfs /sys/kernel/debug')
> and ensure the kvm modules are loaded
> 
> No joy. Suggestions?

What's the error then?  You should see the stats with all zeros until
you start your guest.  Somethink like:

kvm statistics

 efer_reload                  0       0
 exits                        0       0
 fpu_reload                   0       0
 halt_exits                   0       0
 halt_wakeup                  0       0
 host_state_reload            0       0
 insn_emulation               0       0
 insn_emulation_fail          0       0
 invlpg                       0       0
 io_exits                     0       0
 irq_exits                    0       0
 irq_window                   0       0
 mmio_exits                   0       0
 mmu_cache_miss               0       0
 mmu_flooded                  0       0
 mmu_pde_zapped               0       0
 mmu_pte_updated              0       0
 mmu_pte_write                0       0
 mmu_recycled                 0       0
 mmu_shadow_zapped            0       0
 pf_fixed                     0       0
 pf_guest                     0       0
 remote_tlb_flush             0       0
 request_irq                  0       0
 signal_exits                 0       0
 tlb_flush                    0       0

-- 
Ryan Harper
Software Engineer; Linux Technology Center
IBM Corp., Austin, Tx
(512) 838-9253   T/L: 678-9253
ryanh@us.ibm.com

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