Hi Peter,
On 8/30/15 5:18 AM, Peter Kieser wrote:
Hi Wanpeng,
Do I need to set any module parameters to use your patch, or should
halt_poll_ns automatically tune with just your patch series applied?
You don't need any module parameters.
Regards,
Wanpeng Li
Thanks.
On 2015-08-27 2:47 AM,
Thanks, Wanpeng. Applied this to Linux 3.18 and seeing much higher CPU
usage (200%) for qemu 2.4.0 process on a Windows 10 x64 guest. qemu
parameters:
qemu-system-x86_64 -enable-kvm -name arwan-20150704 -S -machine
pc-q35-2.2,accel=kvm,usb=off -cpu
Haswell,hv_time,hv_relaxed,hv_vapic,hv_spinl
Compiler warning:
CC [M] arch/x86/kvm/emulate.o
arch/x86/kvm/emulate.c: In function "__do_insn_fetch_bytes":
arch/x86/kvm/emulate.c:814:9: warning: "linear" may be used uninitialized in
this function [-Wmaybe-uninitialized]
GCC is smart enough to realize that the inlined __linearize may return
On 8/30/15 6:26 AM, Peter Kieser wrote:
Thanks, Wanpeng. Applied this to Linux 3.18 and seeing much higher CPU
usage (200%) for qemu 2.4.0 process on a Windows 10 x64 guest. qemu
parameters:
Thanks for the report. If Paolo's patch "kvm: add halt_poll_ns module
parameter" is applied on your 3.
On 2015-08-29 4:55 PM, Wanpeng Li wrote:
On 8/30/15 6:26 AM, Peter Kieser wrote:
Thanks, Wanpeng. Applied this to Linux 3.18 and seeing much higher
CPU usage (200%) for qemu 2.4.0 process on a Windows 10 x64 guest.
qemu parameters:
Thanks for the report. If Paolo's patch "kvm: add halt_poll
On 8/30/15 8:13 AM, Peter Kieser wrote:
On 2015-08-29 4:55 PM, Wanpeng Li wrote:
On 8/30/15 6:26 AM, Peter Kieser wrote:
Thanks, Wanpeng. Applied this to Linux 3.18 and seeing much higher
CPU usage (200%) for qemu 2.4.0 process on a Windows 10 x64 guest.
qemu parameters:
Thanks for the repor