On 2012-01-19 10:02, Gleb Natapov wrote: > On Thu, Jan 19, 2012 at 09:35:47AM +0100, Jan Kiszka wrote: >> Hi again, >> >> what is the best way to check if the TPR patching feature of qemu-kvm is >> working and performs efficiently? I suppose Windows XP guests, e.g.? How >> to measure this best? I'm about to start porting it to upstream and like >> to prepare a good test case. >> > Run WindowsXP on AMD HW without vapic and see number of TPR access exits. > Than run it with vapic and check again. Don't forget to check that > reboot et al work. So is this an optimization only for AMD CPUs or can it be reproduced on Intel as well? Any CPU feature dependencies? Jan -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
