答复: [PATCH] [v3] kvm: x86: support APERF/MPERF registers

2020-05-03 Thread Li,Rongqing
wanpen...@tencent.com; vkuzn...@redhat.com; > sean.j.christopher...@intel.com; pbonz...@redhat.com; xiaoyao...@intel.com > 主题: Re: [PATCH] [v3] kvm: x86: support APERF/MPERF registers > 重要性: 高 > > On 04/30 06:45, Li RongQing wrote: > > Guest kernel reports a fixed cpu frequency

Re: [PATCH] [v3] kvm: x86: support APERF/MPERF registers

2020-05-01 Thread Wei Huang
On 04/30 06:45, Li RongQing wrote: > Guest kernel reports a fixed cpu frequency in /proc/cpuinfo, > this is confused to user when turbo is enable, and aperf/mperf > can be used to show current cpu frequency after 7d5905dc14a > "(x86 / CPU: Always show current CPU frequency in /proc/cpuinfo)" > so g

[PATCH] [v3] kvm: x86: support APERF/MPERF registers

2020-04-30 Thread Li RongQing
Guest kernel reports a fixed cpu frequency in /proc/cpuinfo, this is confused to user when turbo is enable, and aperf/mperf can be used to show current cpu frequency after 7d5905dc14a "(x86 / CPU: Always show current CPU frequency in /proc/cpuinfo)" so guest should support aperf/mperf capability t