perf evsel: Add missign class prefix to has_branch_stack method

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Milian Wolff <milian.wolff@kdab.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-5i07ivw1yjsweb7gztr255jd@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/evsel.h

@@ -420,7 +420,7 @@ for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); 	\
      (_evsel) && (_evsel)->leader == (_leader);					\
      (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node))
 
-static inline bool has_branch_callstack(struct perf_evsel *evsel)
+static inline bool perf_evsel__has_branch_callstack(const struct perf_evsel *evsel)
 {
 	return evsel->attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK;
 }

tools/perf/util/machine.c

@@ -1808,7 +1808,7 @@ static int thread__resolve_callchain_sample(struct thread *thread,
 
 	callchain_cursor_reset(cursor);
 
-	if (has_branch_callstack(evsel)) {
+	if (perf_evsel__has_branch_callstack(evsel)) {
 		err = resolve_lbr_callchain_sample(thread, cursor, sample, parent,
 						   root_al, max_stack);
 		if (err)

tools/perf/util/session.c

@@ -907,7 +907,7 @@ static void callchain__printf(struct perf_evsel *evsel,
 	unsigned int i;
 	struct ip_callchain *callchain = sample->callchain;
 
-	if (has_branch_callstack(evsel))
+	if (perf_evsel__has_branch_callstack(evsel))
 		callchain__lbr_callstack_printf(sample);
 
 	printf("... FP chain: nr:%" PRIu64 "\n", callchain->nr);
@@ -1081,7 +1081,7 @@ static void dump_sample(struct perf_evsel *evsel, union perf_event *event,
 	if (sample_type & PERF_SAMPLE_CALLCHAIN)
 		callchain__printf(evsel, sample);
 
-	if ((sample_type & PERF_SAMPLE_BRANCH_STACK) && !has_branch_callstack(evsel))
+	if ((sample_type & PERF_SAMPLE_BRANCH_STACK) && !perf_evsel__has_branch_callstack(evsel))
 		branch_stack__printf(sample);
 
 	if (sample_type & PERF_SAMPLE_REGS_USER)