Messages in this thread | | | Date | Wed, 25 Nov 2020 17:43:57 +0100 | From | Jiri Olsa <> | Subject | Re: [RFC 2/2] perf-stat: enable counting events for BPF programs |
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On Wed, Nov 25, 2020 at 12:02:13AM +0000, Song Liu wrote: > > > > On Nov 24, 2020, at 3:43 PM, Song Liu <songliubraving@fb.com> wrote: > > > > > > > >> On Nov 24, 2020, at 11:51 AM, Jiri Olsa <jolsa@redhat.com> wrote: > >> > >> On Wed, Nov 18, 2020 at 08:50:46PM -0800, Song Liu wrote: > >> > >> SNIP > >> > >>> +static int bpf_program_profiler__install_pe(struct evsel *evsel, int cpu, > >>> + int fd) > >>> +{ > >>> + struct bpf_prog_profiler_bpf *skel = evsel->bpf_counter.skel; > >>> + > >>> + return bpf_map_update_elem(bpf_map__fd(skel->maps.events), > >>> + &cpu, &fd, BPF_ANY); > >>> +} > >>> + > >>> +struct bpf_counter_ops bpf_program_profiler_ops = { > >>> + .load = bpf_program_profiler__load, > >>> + .enable = bpf_program_profiler__enable, > >>> + .read = bpf_program_profiler__read, > >>> + .destroy = bpf_program_profiler__destroy, > >>> + .install_pe = bpf_program_profiler__install_pe, > >>> +}; > >> > >> hum, what's the point of this ops? you plan some other ops? > >> we could just define stat callbacks right? > > Which callbacks do you mean here? I would like to try that as > well.
I meant just to drop that ops struct and have load/enable/read.. functions called from stat code
jirka
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