Package: kvm
Version: 83+dfsg-1
Severity: normal

Thanks for packaging kvm 83!

I did not notice any further "cpu0 unhandled wrmsr" problems.

Unfortunately the performance of kvm is low in version 83 (and 82)
compared to kvm 79.
I noticed the problem especially with XP.

kvm -boot c -hda xp.qc2 -hdb /dev/sda -daemonize -localtime -m 600 \
-no-reboot -serial null -soundhw es1370 -vga std

The xp.qc2 image contains a NTFS file system with NTDETECT.COM, ntldr and
a modified boot.ini which boots from /dev/sda1.

Boot until login screen:
kvm 79  95 s
kvm 83 165 s

Login until windows jingle:
kvm 79       20 s
kvm 83 over 300 s

I use kernel 2.6.28-1~experimental.1~snapshot.12608.
The problem occured with previous 2.6.28 Debian and Ubuntu
kernel packages too.

kvm statistics for version 79 after windows jingle:

 efer_reload                  0       0
 exits                  8470867   10919
 fpu_reload              380423       3
 halt_exits               42097     919
 halt_wakeup               2083       0
 host_state_reload      1723324    1108
 hypercalls                   0       0
 insn_emulation          971952    1434
 insn_emulation_fail          6       0
 invlpg                  247722      77
 io_exits               3062864    6246
 irq_exits                64350      55
 irq_injections          137334    1007
 irq_window                   0       0
 largepages                   0       0
 mmio_exits               21030       0
 mmu_cache_miss          150935     333
 mmu_flooded             133748     320
 mmu_pde_zapped           27018       0
 mmu_pte_updated         671323    1271
 mmu_pte_write           738492    1431
 mmu_recycled              1288       0
 mmu_shadow_zapped       149778     340
 mmu_unsync                 888       0
 nmi_window                   0       0
 pf_fixed               3016585    3277
 pf_guest                428835       3
 remote_tlb_flush             0       0
 request_irq                  0       0
 signal_exits                 1       0
 tlb_flush              1339588     948


kvm statistics for version 83 after windows jingle:

 efer_reload                  0       0
 exits                 24487845   30166
 fpu_reload              771705      83
 halt_exits               18751     600
 halt_wakeup                187       0
 host_state_reload      7539547    1331
 hypercalls                   0       0
 insn_emulation         2868945    2164
 insn_emulation_fail         12       1
 invlpg                  265645    1294
 io_exits              15475477    7450
 irq_exits               103510     349
 irq_injections         1097206    1072
 irq_window                   0       0
 largepages                   0       0
 mmio_exits               22484       0
 mmu_cache_miss          236150     550
 mmu_flooded             213345     452
 mmu_pde_zapped           30238     144
 mmu_pte_updated        1024986    1893
 mmu_pte_write          1131874    2117
 mmu_recycled              1936       0
 mmu_shadow_zapped       234982     614
 mmu_unsync                 969       6
 nmi_window                   0       0
 pf_fixed               4830754   17515
 pf_guest                418504    1672
 remote_tlb_flush             0       0
 request_irq                  0       0
 signal_exits                 1       0
 tlb_flush              1929545    3562

-- 
Psssst! Schon vom neuen GMX MultiMessenger gehört? Der kann`s mit allen: 
http://www.gmx.net/de/go/multimessenger



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