* Jin, Yao <yao.jin@xxxxxxxxxxxxxxx> wrote: > Could we provide 2 options in user space when enabling the event sampling? > > One option is for the use case like rr debugger which only cares the PMI > interrupt but doesn't care the skid. The skid samples doesn't need to be > dropped. Since it's an information leak, this is not something we want to expose as an interface. It's also a very ugly interface: why not just *clear* the sample, instead of dropping it? The hardware messed up and gave us something we specifically did not permit user-space to collect. We have to fix the bad effects to the best extent we can, and not based on some knob. Thanks, Ingo