Em Tue, Dec 12, 2023 at 03:20:47PM +0000, James Clark escreveu: > On 29/11/2023 06:02, Ian Rogers wrote: > > LIBPERF_API void perf_cpu_map__put(struct perf_cpu_map *map); > > +/** > > + * perf_cpu_map__cpu - get the CPU value at the given index. Returns -1 if index > > + * is invalid. > > + */ > > LIBPERF_API struct perf_cpu perf_cpu_map__cpu(const struct perf_cpu_map *cpus, int idx); > > +/** > > + * perf_cpu_map__nr - for an empty map returns 1, as perf_cpu_map__cpu returns a > > + * cpu of -1 for an invalid index, this makes an empty map > > + * look like it contains the "any CPU"/dummy value. Otherwise > > + * the result is the number CPUs in the map plus one if the > > + * "any CPU"/dummy value is present. > > Hmmm... I'm not sure whether to laugh or cry at that API. > > Reviewed-by: James Clark <james.clark@xxxxxxx> Thanks, applied to perf-tools-next. - Arnaldo
