Re: [PATCH v2] KVM: X86: Limit timer frequency to 200ms

2018-05-05 Thread Wanpeng Li
2018-05-05 16:36 GMT+08:00 Jan Kiszka : > On 2018-05-05 01:44, Wanpeng Li wrote: >> ping, >> 2018-05-01 7:35 GMT+08:00 Wanpeng Li : >>> From: Wanpeng Li >>> >>> Anthoine reported: >>> The period used by Windows change over time but it can be 1 milliseconds >>> or less. I saw the limit_periodic_t

Re: [PATCH v2] KVM: X86: Limit timer frequency to 200ms

2018-05-05 Thread Jan Kiszka
On 2018-05-05 01:44, Wanpeng Li wrote: > ping, > 2018-05-01 7:35 GMT+08:00 Wanpeng Li : >> From: Wanpeng Li >> >> Anthoine reported: >> The period used by Windows change over time but it can be 1 milliseconds >> or less. I saw the limit_periodic_timer_frequency print so 500 >> microseconds is s

Re: [PATCH v2] KVM: X86: Limit timer frequency to 200ms

2018-05-04 Thread Wanpeng Li
ping, 2018-05-01 7:35 GMT+08:00 Wanpeng Li : > From: Wanpeng Li > > Anthoine reported: > The period used by Windows change over time but it can be 1 milliseconds > or less. I saw the limit_periodic_timer_frequency print so 500 > microseconds is sometimes reached. > > As suggested by Paolo, lowe

[PATCH v2] KVM: X86: Limit timer frequency to 200ms

2018-04-30 Thread Wanpeng Li
From: Wanpeng Li Anthoine reported: The period used by Windows change over time but it can be 1 milliseconds or less. I saw the limit_periodic_timer_frequency print so 500 microseconds is sometimes reached. As suggested by Paolo, lower the timer frequency limit to a smaller interval of 200 ms