>>> On Thu, May 10, 2007 at 9:07 AM, in message <[EMAIL PROTECTED]>, "Dor Laor" <[EMAIL PROTECTED]> wrote: >> At this point, I can boot >> >>A) 32- bit XP w/ACPI enabled >>B) 64- bit SLED (2.6.16 based) >> >>both with "level- 0" (userspace PIC emulation) and "level- 1" (in- kernel > PIC >>emulation). The performance with XP under level- 1 seems to be a huge >>improvement over in- trunk performance. > > Impressive! Can you tell how much host cpu is consumed by an idle xp > guest w acpi? > Next week I'll try to check it with the pv network if I'll have the > time.
The load-average on my system is about 1 while XP is idling. qemu seems to be mostly at "0%" but will bounce up to 1% on occasion. Here is the output of "top -b -p <qemu-pid>" over a few seconds: top - 09:17:45 up 16:58, 3 users, load average: 1.02, 0.86, 0.42 Tasks: 1 total, 0 running, 1 sleeping, 0 stopped, 0 zombie Cpu(s): 0.1%us, 0.2%sy, 0.0%ni, 99.5%id, 0.1%wa, 0.0%hi, 0.1%si, 0.0%st Mem: 3994704k total, 2018980k used, 1975724k free, 70996k buffers Swap: 2104472k total, 0k used, 2104472k free, 1148284k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 10359 ghaskins 15 0 598m 83m 75m S 0 2.1 1:37.87 qemu-system-x86 top - 09:17:48 up 16:58, 3 users, load average: 1.02, 0.86, 0.42 Tasks: 1 total, 1 running, 0 sleeping, 0 stopped, 0 zombie Cpu(s): 0.0%us, 0.2%sy, 0.0%ni, 99.7%id, 0.1%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 3994704k total, 2019120k used, 1975584k free, 70996k buffers Swap: 2104472k total, 0k used, 2104472k free, 1148472k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 10359 ghaskins 15 0 598m 83m 75m R 0 2.1 1:37.87 qemu-system-x86 top - 09:17:51 up 16:58, 3 users, load average: 1.02, 0.87, 0.42 Tasks: 1 total, 1 running, 0 sleeping, 0 stopped, 0 zombie Cpu(s): 0.0%us, 0.7%sy, 0.0%ni, 99.1%id, 0.0%wa, 0.0%hi, 0.2%si, 0.0%st Mem: 3994704k total, 2019120k used, 1975584k free, 70996k buffers Swap: 2104472k total, 0k used, 2104472k free, 1148560k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 10359 ghaskins 15 0 598m 83m 75m R 2 2.1 1:37.94 qemu-system-x86 top - 09:17:54 up 16:58, 3 users, load average: 1.02, 0.87, 0.42 Tasks: 1 total, 1 running, 0 sleeping, 0 stopped, 0 zombie Cpu(s): 0.0%us, 0.2%sy, 0.0%ni, 99.7%id, 0.1%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 3994704k total, 2019368k used, 1975336k free, 70996k buffers Swap: 2104472k total, 0k used, 2104472k free, 1148744k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 10359 ghaskins 15 0 598m 83m 75m R 0 2.1 1:37.94 qemu-system-x86 top - 09:17:57 up 16:58, 3 users, load average: 1.02, 0.87, 0.43 Tasks: 1 total, 1 running, 0 sleeping, 0 stopped, 0 zombie Cpu(s): 0.0%us, 0.3%sy, 0.0%ni, 99.5%id, 0.2%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 3994704k total, 2019492k used, 1975212k free, 71000k buffers Swap: 2104472k total, 0k used, 2104472k free, 1148832k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 10359 ghaskins 15 0 598m 83m 75m R 1 2.1 1:37.96 qemu-system-x86 top - 09:18:00 up 16:59, 3 users, load average: 1.01, 0.87, 0.43 Tasks: 1 total, 1 running, 0 sleeping, 0 stopped, 0 zombie Cpu(s): 0.3%us, 0.9%sy, 0.0%ni, 98.4%id, 0.0%wa, 0.0%hi, 0.3%si, 0.0%st Mem: 3994704k total, 2019988k used, 1974716k free, 71000k buffers Swap: 2104472k total, 0k used, 2104472k free, 1149016k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 10359 ghaskins 15 0 598m 83m 75m R 0 2.1 1:37.96 qemu-system-x86 top - 09:18:03 up 16:59, 3 users, load average: 1.01, 0.87, 0.43 Tasks: 1 total, 1 running, 0 sleeping, 0 stopped, 0 zombie Cpu(s): 0.0%us, 0.3%sy, 0.0%ni, 99.6%id, 0.2%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 3994704k total, 2019988k used, 1974716k free, 71000k buffers Swap: 2104472k total, 0k used, 2104472k free, 1149104k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 10359 ghaskins 15 0 598m 83m 75m R 0 2.1 1:37.96 qemu-system-x86 top - 09:18:06 up 16:59, 3 users, load average: 1.01, 0.87, 0.43 Tasks: 1 total, 1 running, 0 sleeping, 0 stopped, 0 zombie Cpu(s): 0.5%us, 0.7%sy, 0.0%ni, 98.8%id, 0.0%wa, 0.0%hi, 0.1%si, 0.0%st Mem: 3994704k total, 2020044k used, 1974660k free, 71000k buffers Swap: 2104472k total, 0k used, 2104472k free, 1149280k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 10359 ghaskins 15 0 598m 83m 75m R 0 2.1 1:37.96 qemu-system-x86 top - 09:18:09 up 16:59, 3 users, load average: 1.01, 0.87, 0.43 Tasks: 1 total, 1 running, 0 sleeping, 0 stopped, 0 zombie Cpu(s): 0.0%us, 0.2%sy, 0.0%ni, 99.8%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 3994704k total, 2020044k used, 1974660k free, 71000k buffers Swap: 2104472k total, 0k used, 2104472k free, 1149376k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 10359 ghaskins 15 0 598m 83m 75m R 0 2.1 1:37.96 qemu-system-x86 Here is the output of kvm_stat: kvm statistics exits 12503136 1888 guest_intr 0 0 halt_exits 34478 64 invlpg 0 0 io_exits 1182337 305 irq_accepte 64404 79 irq_exits 12889 0 irq_posted 110887 137 irq_window 0 0 light_exits 10954910 1519 mmio_exits 294605 0 pf_fixed 716870 4 pf_guest 56142 0 request_irq 158 0 signal_exit 29311 0 tlb_flush 58210 32 ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
