Commit 4451dae4 authored by Howard Chu's avatar Howard Chu Committed by Arnaldo Carvalho de Melo
Browse files

perf evlist: Introduce method to find if there is a bpf-output event 



We'll use it in the next patch, to deciding how to set up the ring
buffer.

Signed-off-by: default avatarHoward Chu <howardchu95@gmail.com>
Tested-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240815013626.935097-2-howardchu95@gmail.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 8b48f8ba

tools/perf/util/evlist.c

+12 −0
Original line number Diff line number Diff line
@@ -2627,3 +2627,15 @@ void evlist__uniquify_name(struct evlist *evlist) 
		}

	}

}



bool evlist__has_bpf_output(struct evlist *evlist)

{

	struct evsel *evsel;



	evlist__for_each_entry(evlist, evsel) {

		if (evsel__is_bpf_output(evsel))

			return true;

	}



	return false;

}

tools/perf/util/evlist.h

+1 −0
Original line number Diff line number Diff line
@@ -447,5 +447,6 @@ int evlist__scnprintf_evsels(struct evlist *evlist, size_t size, char *bf); 
void evlist__check_mem_load_aux(struct evlist *evlist);

void evlist__warn_user_requested_cpus(struct evlist *evlist, const char *cpu_list);

void evlist__uniquify_name(struct evlist *evlist);

bool evlist__has_bpf_output(struct evlist *evlist);



#endif /* __PERF_EVLIST_H */