Re: [Qemu-devel] Disable PS/2 mouse

2010-06-10 Thread Dor Laor
On 06/09/2010 05:35 PM, Gerd Hoffmann wrote: Hi, with 0.12.4 it is still the case that a total idle vm takes about 6-8% of a 2.4GHz Xeon Core. I see that order of magitude too, no matter whenever usb is on or off. With older qemu and usbtablet it used to be up to 25%. Is it possible to

Re: [Qemu-devel] Disable PS/2 mouse

2010-06-10 Thread Gerd Hoffmann
On 06/10/2010 09:12 AM, Dor Laor wrote: On 06/09/2010 05:35 PM, Gerd Hoffmann wrote: Hi, with 0.12.4 it is still the case that a total idle vm takes about 6-8% of a 2.4GHz Xeon Core. I see that order of magitude too, no matter whenever usb is on or off. With older qemu and usbtablet it used

Re: [Qemu-devel] Disable PS/2 mouse

2010-06-10 Thread Peter Lieven
Gerd Hoffmann wrote: On 06/10/2010 09:12 AM, Dor Laor wrote: On 06/09/2010 05:35 PM, Gerd Hoffmann wrote: Hi, with 0.12.4 it is still the case that a total idle vm takes about 6-8% of a 2.4GHz Xeon Core. I see that order of magitude too, no matter whenever usb is on or off. With older qemu

Re: [Qemu-devel] Disable PS/2 mouse

2010-06-10 Thread Paul Brook
For usb hid devices: No idea how they work and whenever we can put them into sleep somehow (with/without guest cooperation). The issue with USB is that it is (by design) a polled system. The UHCI adapter has to wakeup every 1ms to read transfer descriptors from guest RAM. Until recently there

Re: [Qemu-devel] Disable PS/2 mouse

2010-06-09 Thread Markus Armbruster
Peter Lieven p...@dlh.net writes: Hi, is there any way to disable the PS/2 mouse emulation from command line? Judging from pc_basic_device_init() and i8042_initfn(): I don't think so, sorry.

Re: [Qemu-devel] Disable PS/2 mouse

2010-06-09 Thread Peter Lieven
Markus Armbruster wrote: Peter Lieven p...@dlh.net writes: Hi, is there any way to disable the PS/2 mouse emulation from command line? Judging from pc_basic_device_init() and i8042_initfn(): I don't think so, sorry. would it be difficult to implement?

Re: [Qemu-devel] Disable PS/2 mouse

2010-06-09 Thread Peter Lieven
Markus Armbruster wrote: Peter Lieven p...@dlh.net writes: Hi, is there any way to disable the PS/2 mouse emulation from command line? Judging from pc_basic_device_init() and i8042_initfn(): I don't think so, sorry. background: with the ps/2 mouse there are always problems

Re: [Qemu-devel] Disable PS/2 mouse

2010-06-09 Thread Mark Cave-Ayland
Peter Lieven wrote: background: with the ps/2 mouse there are always problems with pointer synchronization. Yeah, we have that here on one of our WinNT VMs. The quick solution we found was to install VNC Server on NT and set up everyone to connect to that rather than to the physical

Re: [Qemu-devel] Disable PS/2 mouse

2010-06-09 Thread Gerd Hoffmann
Hi, BUT. usb emulation is resource intensive. Update qemu. Fixed in 0.12.4 and unstable. cheers, Gerd

Re: [Qemu-devel] Disable PS/2 mouse

2010-06-09 Thread Peter Lieven
Gerd Hoffmann wrote: Hi, BUT. usb emulation is resource intensive. Update qemu. Fixed in 0.12.4 and unstable. thanks for this update. i think my experience came from 0.12.3 i will verify this cheers, Gerd

Re: [Qemu-devel] Disable PS/2 mouse

2010-06-09 Thread Markus Armbruster
Peter Lieven p...@dlh.net writes: Markus Armbruster wrote: Peter Lieven p...@dlh.net writes: Hi, is there any way to disable the PS/2 mouse emulation from command line? Judging from pc_basic_device_init() and i8042_initfn(): I don't think so, sorry. would it be difficult

Re: [Qemu-devel] Disable PS/2 mouse

2010-06-09 Thread Peter Lieven
Gerd Hoffmann wrote: Hi, BUT. usb emulation is resource intensive. Update qemu. Fixed in 0.12.4 and unstable. hi gerd, with 0.12.4 it is still the case that a total idle vm takes about 6-8% of a 2.4GHz Xeon Core. see: http://dev.cs1.dlh.net/usb-on-off.png until approx 13.00 cet its

Re: [Qemu-devel] Disable PS/2 mouse

2010-06-09 Thread Gerd Hoffmann
Hi, with 0.12.4 it is still the case that a total idle vm takes about 6-8% of a 2.4GHz Xeon Core. I see that order of magitude too, no matter whenever usb is on or off. With older qemu and usbtablet it used to be up to 25%. cheers, Gerd

[Qemu-devel] Disable PS/2 mouse

2010-06-08 Thread Peter Lieven
Hi, is there any way to disable the PS/2 mouse emulation from command line? BR, Peter