Re: [PATCH 2/8] perf bpf filter: Implement event sample filtering

Namhyung Kim
2023-02-22T19:49:29Z

On Tue, Feb 21, 2023 at 3:54 AM Jiri Olsa <olsajiri@gmail.com> wrote:
>
> On Sat, Feb 18, 2023 at 10:13:23PM -0800, Namhyung Kim wrote:
>
> SNIP
>
> > +#define FD(e, x, y) (*(int *)xyarray__entry(e->core.fd, x, y))
> > +
> > +int perf_bpf_filter__prepare(struct evsel *evsel)
> > +{
> > + int i, x, y, fd;
> > + struct sample_filter_bpf *skel;
> > + struct bpf_program *prog;
> > + struct bpf_link *link;
> > + struct perf_bpf_filter_expr *expr;
> > +
> > + skel = sample_filter_bpf__open();
> > + if (!skel) {
> > + pr_err("Failed to open perf sample-filter BPF skeleton\n");
> > + return -1;
> > + }
> > +
> > + bpf_map__set_max_entries(skel->maps.filters, MAX_FILTERS);
>
> is this needed? max_entries is defined in the bpf object

Nop, will remove.

Thanks,
Namhyung