On Fri, Sep 28, 2018 at 07:23:20AM +0000, Song Liu wrote: > Hi Peter, > > #ifdef CONFIG_UPROBE_EVENTS > > +PMU_FORMAT_ATTR(ref_ctr_offset, "config:63-24"); > > I guess you meant this part? This is for uprobe only, so I put > it here.
Ah,.. right you are. You seem to have the bitfield backwards, does that mean we should write the bits in backwards too? Seems a tad loopy if you ask me. Did you instead mean: "config:24-63" ? Also, why 40 bits? 32 seems like a much more natural amount.