On Sun, Jun 01, 2008 at 12:21:29PM +0300, Avi Kivity wrote: > Marcelo Tosatti wrote: >> Addressing comments on the previous patchset, follows: >> >> - Same fake C2 emulation >> - /dev/pmtimer >> - Support for multiple IO bitmap pages + userspace interface >> - In-kernel ACPI pmtimer emulation >> >> Tested with Linux and WinXP guests. Also tested migration. >> > > Do you have any performance numbers, comparing qemu/kernel/passthrough?
Test is 1 million gettimeofday calls, Xeon 1.60GHz with 4MB L2. guest (qemu emulation): cycles:1189759332 guest (in-kernel emulation): cycles:628046412 guest (direct pmtimer): cycles:230372934 host (TSC): cycles:14862774 > [Real review will be delayed as I am travelling; will try to do as much as > I can] OK! -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
