On Tue, Jul 21, 2015 at 9:25 PM, Borislav Petkov <b...@alien8.de> wrote: > On Tue, Jul 21, 2015 at 05:13:12PM -0700, Andy Lutomirski wrote: >> Enough for oopses, perhaps, but maybe not enough for perf. >> >> It sounds like you want CFI unwinding :) > > What would you want to unwind in those __sw_hweight* almost-trivial, > tail functions?
So your shiny perf profile shows cumulative time in whatever called them. Sure, this is arguably silly if we're stuck with frame pointers. --Andy -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
