On Sun January 3 2010, Thomas Fjellstrom wrote:
> On Sun December 27 2009, Avi Kivity wrote:
> > On 12/27/2009 07:00 PM, Daniel Bareiro wrote:
> > >> Also, qemu might be leaking memory. Please post 'pmap $pid' for all
> > >> of your guests (do that before any of the other tests, on your
> > >> swapped-out system).
> > >
> > > ---------------------------------------------------------------------
> > >
> > > total 626376K
> > >
> > > total 626472K
> > >
> > > total 626396K
> > >
> > > total 635292K
> > >
> > > total 625388K
> >
> > These all seem sane. So it's a swap regression, hopefully
> > 2.6.32.something will have a fix.
>
> Sorry to butt in, but heres something I've found odd:
>
> # ps aux | grep /usr/bin/kvm | grep -v grep | cut -f6 -d' ' | xargs -n 1
> -i{} pmap {} | grep total total 845928K
> total 450336K
> total 441968K
> total 440740K
> total 845848K
> total 465808K
>
> root 10466 2.6 6.2 845924 253804 ? Sl 2009 2084:29
> /usr/bin/kvm -S -M pc -m 512 -smp 1 -name awiki -uuid
> 330abdce-f657-e0e2-196b-5bf22c0e76f0 -monitor
> unix:/var/lib/libvirt/qemu/awiki.monitor,server,nowait -boot c -drive
> file=/dev/vg0/awiki-root,if=virtio,index=0,boot=on -drive
> file=/dev/vg0/awiki-swap,if=virtio,index=1 -drive
> file=/mnt/boris/data/pub/diskimage/debian-503-amd64-netinst.iso,if=ide,m
> edia=cdrom,index=2,format= -net
> nic,macaddr=52:54:00:35:8b:fb,vlan=0,model=virtio,name=virtio.0 -net
> tap,fd=19,vlan=0,name=tap.0 -serial pty -parallel none -usb -vnc
> 127.0.0.1:2 -k en-us -vga vmware root 13953 0.2 1.3 450332 54832 ?
> Sl 2009 167:25 /usr/bin/kvm -S -M pc -m 128 -smp 1 -name nginx
> -uuid 793160c1-5800-72cf-7b66-8484f931d396 -monitor
> unix:/var/lib/libvirt/qemu/nginx.monitor,server,nowait -boot c -drive
> file=/dev/vg0/nginx,if=virtio,index=0,boot=on -net
> nic,macaddr=52:54:00:06:49:d5,vlan=0,model=virtio,name=virtio.0 -net
> tap,fd=21,vlan=0,name=tap.0 -serial pty -parallel none -usb -vnc
> 127.0.0.1:3 -k en-us -vga vmware root 14051 31.4 6.7 441964 273132
> ? Rl 01:19 30:35 /usr/bin/kvm -S -M pc -m 256 -smp 1 -name
> pfsense -uuid 0af4dfac-70f1-c348-9ce5-0df18e9bdc2c -monitor
> unix:/var/lib/libvirt/qemu/pfsense.monitor,server,nowait -boot c -drive
> file=/dev/vg0/pfsense,if=ide,index=0,boot=on -net
> nic,macaddr=00:19:5b:86:3e:fb,vlan=0,model=e1000,name=e1000.0 -net
> tap,fd=22,vlan=0,name=tap.0 -net
> nic,macaddr=52:54:00:53:62:b9,vlan=1,model=e1000,name=e1000.1 -net
> tap,fd=28,vlan=1,name=tap.1 -serial pty -parallel none -usb -vnc
> 0.0.0.0:0 -k en-us -vga vmware root 15528 19.7 6.6 440736 270484 ?
> Sl 01:37 15:38 /usr/bin/kvm -S -M pc -m 256 -smp 1 -name
> pfsense2 -uuid 2c4000a0-7565-b12d-1e2a-1e77cdb778d3 -monitor
> unix:/var/lib/libvirt/qemu/pfsense2.monitor,server,nowait -boot c -drive
> file=/dev/vg0/pfsense2,if=ide,index=0,boot=on -drive
> file=/mnt/boris/data/pub/diskimage/pfSense-1.2.2-LiveCD-Installer.iso,if
> =ide,media=cdrom,index=2,format= -net
> nic,macaddr=52:54:00:38:fc:a7,vlan=0,model=e1000,name=e1000.0 -net
> tap,fd=28,vlan=0,name=tap.0 -net
> nic,macaddr=00:24:1d:18:f8:f6,vlan=1,model=e1000,name=e1000.1 -net
> tap,fd=29,vlan=1,name=tap.1 -serial pty -parallel none -usb -vnc
> 127.0.0.1:1 -k en-us -vga vmware root 27079 0.9 0.7 845700 30768 ?
> SLl 2009 584:28 /usr/bin/kvm -S -M pc -m 512 -smp 1 -name
> asterisk -uuid a87d8fc1-ea90-0db4-d6fe-c04e8f2175e7 -monitor
> unix:/var/lib/libvirt/qemu/asterisk.monitor,server,nowait -boot c -drive
> file=/dev/vg0/asterisk,if=virtio,index=0,boot=on -net
> nic,macaddr=52:54:00:68:db:fc,vlan=0,model=virtio,name=virtio.0 -net
> tap,fd=23,vlan=0,name=tap.0 -serial pty -parallel none -usb -vnc
> 127.0.0.1:5 -k en-us -vga vmware -soundhw es1370 root 31214 0.6
> 2.9 465804 121476 ? Sl 2009 207:08 /usr/bin/kvm -S -M pc -m 256
> -smp 1 -name svn -uuid 6e30e0be-1781-7a68-fa5d-d3c69787e705 -monitor
> unix:/var/lib/libvirt/qemu/svn.monitor,server,nowait -boot c -drive
> file=/dev/vg0/svn-root,if=virtio,index=0,boot=on -net
> nic,macaddr=52:54:00:7d:f4:0b,vlan=0,model=virtio,name=virtio.0 -net
> tap,fd=27,vlan=0,name=tap.0 -serial pty -parallel none -usb -vnc
> 0.0.0.0:4 -k en-us -vga vmware
>
> several of these vms are actually assigned less memory than is stated in
> -m, since I used the virt-manager interface to shrink memory size. awiki
> is set to 256MB, yet is still somehow using over 800MB of virt? one of
> the "anon" maps in pmap shows up as nearly 512MB (544788K). The rest of
> the vms show oddities like that as well.
>
> host is debian sid with the 2.6.31-2-amd64 kernel, kvm --version reports:
>
> QEMU PC emulator version 0.10.50 (qemu-kvm-devel-88)
>
> and just for kicks:
>
> root@boris:~# free -m
> total used free shared buffers cached
> Mem: 3964 3891 72 0 108 1686
> -/+ buffers/cache: 2096 1867
> Swap: 7627 383 7244
>
Would this be normal for my setup? The virt usage seems abnormally high for
all of my guests, especially the ones using over 800MB virt.
--
Thomas Fjellstrom
tfjellstrom@xxxxxxx
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