Hi Jiri, On Tue, Mar 7, 2023 at 2:34 PM Jiri Olsa <olsajiri@xxxxxxxxx> wrote: > > On Wed, Feb 22, 2023 at 03:01:33PM -0800, Namhyung Kim wrote: > > Hello, > > > > There have been requests for more sophisticated perf event sample > > filtering based on the sample data. Recently the kernel added BPF > > programs can access perf sample data and this is the userspace part > > to enable such a filtering. > > > > This still has some rough edges and needs more improvements. But > > I'd like to share the current work and get some feedback for the > > directions and idea for further improvements. > > > > v3 changes) > > * fix build error on old kernels/vmlinux (Arnaldo) > > * move the logic to evlist__apply_filters (Jiri) > > * improve error message for bad input > > had same issue to compile it without BUILD_BPF_SKEL=1 as Adrian > reported, but with that fixed it looks good > > Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx> Great! Thanks for your review! Namhyung
