On Fri, Sep 30, 2022 at 3:00 PM Arnaldo Carvalho de Melo <arnaldo.melo@xxxxxxxxx> wrote: > > > > On September 30, 2022 6:56:40 PM GMT-03:00, Namhyung Kim <namhyung@xxxxxxxxxx> wrote: > >Hi Jiri, > > > >On Fri, Sep 30, 2022 at 2:44 PM Jiri Olsa <olsajiri@xxxxxxxxx> wrote: > >> > >> On Wed, Sep 21, 2022 at 09:14:35PM -0700, Namhyung Kim wrote: > >> > The recent change in the cgroup will break the backward compatiblity in > >> > the BPF program. It should support both old and new kernels using BPF > >> > CO-RE technique. > >> > > >> > Like the task_struct->__state handling in the offcpu analysis, we can > >> > check the field name in the cgroup struct. > >> > > >> > Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx> > >> > --- > >> > Arnaldo, I think this should go through the cgroup tree since it depends > >> > on the earlier change there. I don't think it'd conflict with other > >> > perf changes but please let me know if you see any trouble, thanks! > >> > >> could you please paste the cgroup tree link? > > > >Do you mean this? > > > > https://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git > > > > > Which branch and cset in that tree does you perf skel depends on? I believe it's for-6.1 and the cset is in https://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git/commit/?h=for-6.1&id=7f203bc89eb66d6afde7eae91347fc0352090cc3 Thanks, Namhyung
