RE: XP guests sluggish after around 1 week of uptime

jmandawg
2009-01-13T12:32:02Z

The guest is not acting up right now since I just rebooted the host on
Sunday.
Here is the current outputs of the command, and I will post them again when
they start acting up:

[root@e6400:~/ 500]$vmstat 1
procs -----------memory---------- ---swap-- -----io---- -system--
----cpu----
r b swpd free buff cache si so bi bo in cs us sy id
wa
1 0 212 95816 992968 1775292 0 0 464 280 61 28 45 6 46
2
0 0 212 95608 992968 1775312 0 0 0 120 98 8179 8 8 84
0
0 0 212 95592 992968 1775312 0 0 0 0 18 8099 7 8 86
0
1 0 212 95716 992968 1775312 0 0 0 0 42 8626 4 7 89
0
1 0 212 95716 992968 1775312 0 0 0 56 56 8034 7 11 82
0
0 0 212 95716 992968 1775312 0 0 8 36 59 8317 7 6 86
1
1 0 212 95660 992968 1775324 0 0 0 84 61 8203 11 11 78
0
0 0 212 95304 992968 1775324 0 0 0 48 65 8003 8 7 85
0
1 0 212 95264 992968 1775324 0 0 0 0 13 7704 15 7 78
0
0 0 212 95264 992968 1775324 0 0 0 80 97 8018 15 5 80
0
2 0 212 95468 992968 1775324 0 0 0 16 35 7891 9 8 83
0
3 0 212 95380 992968 1775324 0 0 0 124 103 8179 9 8 81
1
0 0 212 95380 992968 1775324 0 0 0 40 48 8006 11 8 80
1
0 0 212 95336 992972 1775320 0 0 0 116 104 8285 9 5 85
1
0 0 212 95356 992976 1775320 0 0 0 312 173 8421 7 11 79
3
1 0 212 95380 992976 1775324 0 0 0 0 42 8233 5 9 87
0
0 0 212 95460 992976 1775324 0 0 0 72 48 8188 7 11 82
0
1 0 212 95380 992976 1775324 0 0 0 0 39 8221 8 8 84
0
0 0 212 95468 992976 1775324 0 0 0 0 17 7982 10 6 83
0
0 0 212 95460 992976 1775324 0 0 0 100 100 8421 7 6 85
2
1 0 212 95380 992976 1775324 0 0 0 32 35 8000 8 7 85
0

kvm statistics

efer_reload 15 0
exits 3315693540 22034
fpu_reload 174984854 724
halt_exits 216355599 1503
halt_wakeup 55495383 341
host_state_reload 867498430 4631
hypercalls 0 0
insn_emulation 56483585 491
insn_emulation_fail 1025 0
invlpg 7980288 5
io_exits 1796250843 11377
irq_exits 85442292 224
irq_injections 250928733 1661
irq_window 9135944 52
kvm_request_irq 0 0
largepages 0 0
mmio_exits 28133579 310
mmu_cache_miss 1041626 0
mmu_flooded 426300 0
mmu_pde_zapped 704522 0
mmu_pte_updated 2702458 0
mmu_pte_write 3546140 0
mmu_recycled 16553 0
mmu_shadow_zapped 1245678 0
mmu_unsync 11192 -1
nmi_injections 0 0
nmi_window 0 0
pf_fixed 65801856 54
pf_guest 22111366 5
remote_tlb_flush 235 0
request_nmi 0 0
signal_exits 5 0
tlb_flush 850332604 6382

-----Original Message-----
From: Avi Kivity [mailto:avi@redhat.com]
Sent: Tuesday, January 13, 2009 4:29 AM
To: Jay
Cc: kvm@vger.kernel.org
Subject: Re: XP guests sluggish after around 1 week of uptime

Please keep the cc list when replying (use reply-all).

Jay wrote:
> Avi Kivity <avi <at> redhat.com> writes:
>
>
>> How much memory do you have on the host? Is the host swapping? Can you
>> post 'vmstat 1' output while Windows is opening the start menu?
>>
>>
>
> I have 8GB RAM on the host, and i've run htop and the swap space is not
being
> used at all. I have a total of 4 guest (2 windows + 2 linux)
>
> I will have to try the 'vmstat 1' command tonight when i get home from
work.

Provide kvm_stat output as well.