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SubjectRe: [PATCH 1/3] perf skel: Remove some unused variables.
Em Sat, Mar 06, 2021 at 12:08:38AM -0800, Ian Rogers escreveu:
> Fixes -Wall warnings.

Thanks, tested all with:

$ make BUILD_BPF_SKEL=1 PYTHON=python3 O=/tmp/build/perf -C tools/perf install-bin

Which makes me realize we need to turn both python3 and building the bpf
skel to be the default...

- Arnaldo

> Signed-off-by: Ian Rogers <irogers@google.com>
> ---
> tools/perf/util/bpf_skel/bpf_prog_profiler.bpf.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/tools/perf/util/bpf_skel/bpf_prog_profiler.bpf.c b/tools/perf/util/bpf_skel/bpf_prog_profiler.bpf.c
> index c7cec92d0236..ab12b4c4ece2 100644
> --- a/tools/perf/util/bpf_skel/bpf_prog_profiler.bpf.c
> +++ b/tools/perf/util/bpf_skel/bpf_prog_profiler.bpf.c
> @@ -52,7 +52,7 @@ int BPF_PROG(fentry_XXX)
> static inline void
> fexit_update_maps(struct bpf_perf_event_value *after)
> {
> - struct bpf_perf_event_value *before, diff, *accum;
> + struct bpf_perf_event_value *before, diff;
> __u32 zero = 0;
>
> before = bpf_map_lookup_elem(&fentry_readings, &zero);
> @@ -78,7 +78,6 @@ int BPF_PROG(fexit_XXX)
> {
> struct bpf_perf_event_value reading;
> __u32 cpu = bpf_get_smp_processor_id();
> - __u32 one = 1, zero = 0;
> int err;
>
> /* read all events before updating the maps, to reduce error */
> --
> 2.30.1.766.gb4fecdf3b7-goog
>

--

- Arnaldo

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