On 27/11/2017 21:23, Luwei Kang wrote: > +/* Default is host guest mode. */ > +static int __read_mostly pt_mode = PT_MODE_HOST_GUEST; > +module_param(pt_mode, int, S_IRUGO); > + This will cause a slowdown on new processors. Please make the default PT_SYSTEM until that is addressed (with a combination of XSAVES, caching the host rtit_ctl at the kernel level, or something like that). Paolo
