perf annotate: Set al->data_nr using the notes->src->nr_events

This is a preparation to support skipping empty events.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20240803211332.1107222-5-namhyung@kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/disasm.c

@@ -1037,10 +1037,8 @@ static size_t disasm_line_size(int nr)
 struct disasm_line *disasm_line__new(struct annotate_args *args)
 {
 	struct disasm_line *dl = NULL;
-	int nr = 1;
-
-	if (evsel__is_group_event(args->evsel))
-		nr = args->evsel->core.nr_members;
+	struct annotation *notes = symbol__annotation(args->ms.sym);
+	int nr = notes->src->nr_events;
 
 	dl = zalloc(disasm_line_size(nr));
 	if (!dl)