Re: [RFC PATCH v2 2/3] perf/x86/intel/pt: Introduce and export pt_get_curr_event()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Sep 22, 2022 at 12:58:49PM +0000, Wang, Wei W wrote:

> Add a function to expose the current running PT event to users. One usage is in KVM,
> it needs to get and disable the running host PT event before VMEnter to the guest and
> resumes the event after VMexit to host.

You cannot just kill a host event like that. If there is a host event,
the guest looses out.



[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]

  Powered by Linux