Re: KVM got slow after adding more physical memory to host

Nikola Ciprich
2011-09-06T15:38:11Z

[-- Attachment #1: Type: text/plain, Size: 3312 bytes --]

Hello Avi,
thanks for quick reply!

> How many guests in there?
two currently (one x86_64 centos, one winXP), with more, the box get even more unresponsive.

>
> Please post a trace as per http://www.linux-kvm.org/page/Tracing.
here it goes:
http://nelide.cz/nik/trace.dat.bz2

>
> Please post /proc/mtrr and /proc/iomem.
[root@virtualbox ~]# cat /proc/mtrr
reg00: base=0x000000000 ( 0MB), size=16384MB, count=1: write-back
reg01: base=0x400000000 (16384MB), size= 4096MB, count=1: write-back
reg02: base=0x500000000 (20480MB), size= 1024MB, count=1: write-back
reg03: base=0x0c0000000 ( 3072MB), size= 1024MB, count=1: uncachable

[root@virtualbox ~]# cat /proc/iomem
00000000-0000ffff : reserved
00010000-0009d7ff : System RAM
0009d800-0009ffff : reserved
000a0000-000bffff : PCI Bus 0000:00
000c0000-000cffff : pnp 00:0f
000d0000-000dffff : PCI Bus 0000:00
000e0000-000fffff : reserved
00100000-bf78ffff : System RAM
01000000-013917ae : Kernel code
013917af-016c88ff : Kernel data
0176a000-0182ffff : Kernel bss
bf790000-bf79dfff : RAM buffer
bf79e000-bf79ffff : reserved
bf7a0000-bf7adfff : ACPI Tables
bf7ae000-bf7cffff : ACPI Non-volatile Storage
bf7d0000-bf7dffff : reserved
bf7e0000-bf7ecfff : RAM buffer
bf7ed000-bfffffff : reserved
c0000000-dfffffff : PCI Bus 0000:00
c0000000-c01fffff : PCI Bus 0000:08
c0200000-c03fffff : PCI Bus 0000:07
c0400000-c05fffff : PCI Bus 0000:06
c0600000-c07fffff : PCI Bus 0000:06
e0000000-efffffff : PCI MMCONFIG 0000 [bus 00-ff]
e0000000-efffffff : reserved
e0000000-efffffff : pnp 00:0e
f0000000-fed8ffff : PCI Bus 0000:00
fa000000-faffffff : PCI Bus 0000:09
fa000000-faffffff : 0000:09:03.0
fb4f6000-fb4f60ff : 0000:00:1f.3
fb4f8000-fb4f87ff : 0000:00:1f.2
fb4f8000-fb4f87ff : ahci
fb4fa000-fb4fa3ff : 0000:00:1d.0
fb4fa000-fb4fa3ff : ehci_hcd
fb4fc000-fb4fc3ff : 0000:00:1a.0
fb4fc000-fb4fc3ff : ehci_hcd
fb500000-fb5fffff : PCI Bus 0000:07
fb5dc000-fb5dffff : 0000:07:00.0
fb5dc000-fb5dffff : e1000e
fb5e0000-fb5fffff : 0000:07:00.0
fb5e0000-fb5fffff : e1000e
fb600000-fb6fffff : PCI Bus 0000:08
fb6dc000-fb6dffff : 0000:08:00.0
fb6dc000-fb6dffff : e1000e
fb6e0000-fb6fffff : 0000:08:00.0
fb6e0000-fb6fffff : e1000e
fb700000-fbffffff : PCI Bus 0000:09
fb7fc000-fb7fffff : 0000:09:03.0
fb800000-fbffffff : 0000:09:03.0
fc000000-fcffffff : pnp 00:01
fd000000-fdffffff : pnp 00:01
fe000000-febfffff : pnp 00:01
fec00000-fec003ff : IOAPIC 0
fed00000-fed003ff : HPET 0
fed14000-fed19fff : pnp 00:01
fed1c000-fed1ffff : pnp 00:0b
fed20000-fed3ffff : reserved
fed20000-fed3ffff : pnp 00:0b
fed40000-fed8ffff : pnp 00:0b
fee00000-fee00fff : Local APIC
fee00000-fee00fff : reserved
fee00000-fee00fff : pnp 00:0d
100000000-53fffffff : System RAM

n.

>
> --
> error compiling committee.c: too many arguments to function
>

--
-------------------------------------
Ing. Nikola CIPRICH
LinuxBox.cz, s.r.o.
28. rijna 168, 709 01 Ostrava

tel.: +420 596 603 142
fax: +420 596 621 273
mobil: +420 777 093 799

www.linuxbox.cz

mobil servis: +420 737 238 656
email servis: servis@linuxbox.cz
-------------------------------------

[-- Attachment #2: Type: application/pgp-signature, Size: 198 bytes --]