On Fri, 2009-05-15 at 11:56 -0300, Marcelo Tosatti wrote: > Ross, > > Can you confirm the qemu process CPU consumption is down to acceptable > levels if you dont specify -no-acpi? > > Thanks Simply starting without -no-acpi did not help. I tried to do a Windows XP repair, but seemed to end up nasically doing a reinstall. The system now seems to be hung up. I'm probably going to end up trying a fresh install; I'll report more results when I have them. > > > On Thu, May 14, 2009 at 01:01:11PM -0700, Ross Boylan wrote: > > On Wed, 2009-05-13 at 09:56 +0300, Avi Kivity wrote: > > > Ross Boylan wrote: > > > > I just installed XP into a new VM, specifying -smp 2 for the machine. > > > > According to top, it's using nearly 200% of a cpu even when I'm not > > > > doing anything. > > > > > > > > Is this real CPU useage, or just a reporting problem (just as my disk > > > > image is big according to ls, but isn't really)? > > > > > > > > If it's real, is there anything I can do about it? > > > > > > > > kvm 0.7.2 on Debian Lenny (but 2.6.29 kernel), amd64. Xeon chips; 32 > > > > bit version of XP pro installed, now fully patched (including the > > > > Windows Genuine Advantage stuff, though I cancelled it when it wanted to > > > > run). > > > > > > > > Task manager in XP shows virtually no CPU useage. > > > > > > > > Please cc me on responses. > > > > > > > > > > > > > > I'm guessing Windows uses a pio port to sleep, which kvm doesn't > > > support. Can you provide kvm_stat output? > > markov:~# kvm_stat -1 > > efer_reload 0 0 > > exits 9921384 566 > > fpu_reload 267970 0 > > halt_exits 1 0 > > halt_wakeup 3 0 > > host_state_reload 4026050 17 > > hypercalls 0 0 > > insn_emulation 1329455 0 > > insn_emulation_fail 154 0 > > invlpg 176773 0 > > io_exits 3818270 0 > > irq_exits 1434046 566 > > irq_injections 326730 0 > > irq_window 164827 0 > > largepages 0 0 > > mmio_exits 35892 0 > > mmu_cache_miss 29760 0 > > mmu_flooded 19908 0 > > mmu_pde_zapped 15557 0 > > mmu_pte_updated 82088 0 > > mmu_pte_write 97990 0 > > mmu_recycled 0 0 > > mmu_shadow_zapped 43276 0 > > mmu_unsync 891 0 > > mmu_unsync_global 0 0 > > nmi_injections 0 0 > > nmi_window 0 0 > > pf_fixed 1231164 0 > > pf_guest 276083 0 > > remote_tlb_flush 115606 0 > > request_irq 0 0 > > request_nmi 0 0 > > signal_exits 5 0 > > tlb_flush 960198 0 > > > > This is with the VM displaying the XP "It is now safe to turn off your > > computer". CPU remains about 200% from kvm. Invoked with > > sudo vdeq kvm -net nic,vlan=1,macaddr=52:54:a0:12:01:00 \ > > -net vde,vlan=1,sock=/var/run/vde2/tap0.ctl \ > > -std-vga -hda XP.raw \ > > -boot c \ > > -soundhw es1370 -localtime -no-acpi -m 1G -smp 2 > > > > Next I'll trying fiddling with acpi. > > > > -- > > Ross Boylan wk: (415) 514-8146 > > 185 Berry St #5700 ross@xxxxxxxxxxxxxxxx > > Dept of Epidemiology and Biostatistics fax: (415) 514-8150 > > University of California, San Francisco > > San Francisco, CA 94107-1739 hm: (415) 550-1062 > > > > -- > > To unsubscribe from this list: send the line "unsubscribe kvm" in > > the body of a message to majordomo@xxxxxxxxxxxxxxx > > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
