12.09.2010 13:26, Avi Kivity пишет: > On 09/10/2010 07:17 PM, Michael Tokarev wrote: >> Note the changed subject line. >> >> I just did a few tests with linux guest (amd64 2.6.35 kernel). >> >> And it shows the same behavour as win7 (unlike winXP), namely, >> high host CPU load when guest is idle. > > Not for me - F12 idle guest takes 3.5% cpu. > > What does 'top' in the guest show now? Connect with ssh to avoid > triggering the GUI. Guest: Cpu(s): 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Host: Cpu(s): 5.3%us, 6.7%sy, 0.0%ni, 88.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 25685 mjt 20 0 1074m 109m 4652 S 19 1.9 0:29.03 qemu-system-x86 So it appears it's the qemu process that's doing something, after all. Is there a way to compile it with profiling information? I tried, but it does not compile: it uses -fomit-frame-pointer which is not compatible with -p[g], but when removing -fo-f-p it complains about assembly. Thanks! /mjt -- 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