perf auxtrace: Factor out itrace_do_parse_synth_opts()

Factor out itrace_do_parse_synth_opts() so that it can be reused.

Signed-off-by: Adrian Hunter <[e-mail]>
Cc: Andi Kleen <[e-mail]>
Cc: Jiri Olsa <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>

tools/perf/util/auxtrace.c

···
  * about the options parsed here, which is introduced after this cset,
  * when support in 'perf script' for these options is introduced.
  */
-int itrace_parse_synth_opts(const struct option *opt, const char *str,
-			    int unset)
+int itrace_do_parse_synth_opts(struct itrace_synth_opts *synth_opts,
+			       const char *str, int unset)
 {
-	struct itrace_synth_opts *synth_opts = opt->value;
 	const char *p;
 	char *endptr;
 	bool period_type_set = false;
···
 out_err:
 	pr_err("Bad Instruction Tracing options '%s'\n", str);
 	return -EINVAL;
+}
+
+int itrace_parse_synth_opts(const struct option *opt, const char *str, int unset)
+{
+	return itrace_do_parse_synth_opts(opt->value, str, unset);
 }
 
 static const char * const auxtrace_error_type_name[] = {

tools/perf/util/auxtrace.h

···
 				 union perf_event *event);
 int perf_event__process_auxtrace_error(struct perf_session *session,
 				       union perf_event *event);
+int itrace_do_parse_synth_opts(struct itrace_synth_opts *synth_opts,
+			       const char *str, int unset);
 int itrace_parse_synth_opts(const struct option *opt, const char *str,
 			    int unset);
 void itrace_synth_opts__set_default(struct itrace_synth_opts *synth_opts,
···
 void events_stats__auxtrace_error_warn(const struct events_stats *stats
 				       __maybe_unused)
 {
+}
+
+static inline
+int itrace_do_parse_synth_opts(struct itrace_synth_opts *synth_opts __maybe_unused,
+			       const char *str __maybe_unused, int unset __maybe_unused)
+{
+	pr_err("AUX area tracing not supported\n");
+	return -EINVAL;
 }
 
 static inline