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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 default timer frequency limit to a smaller interval of 200 us (5000 Hz) to leave some headroom. This is required due to Windows 10 changing the scheduler tick limit from 1024 Hz to 2048 Hz. Reported-by: Anthoine Bourgeois <anthoine.bourgeois@blade-group.com> Suggested-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Radim Krčmář <rkrcmar@redhat.com> Cc: Anthoine Bourgeois <anthoine.bourgeois@blade-group.com> Cc: Darren Kenny <darren.kenny@oracle.com> Cc: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: Wanpeng Li <wanpengli@tencent.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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