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 <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/r/20210530192308.7382-9-adrian.hunter@intel.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/auxtrace.c

@@ -1405,10 +1405,9 @@ static int get_flags(const char **ptr, unsigned int *plus_flags, unsigned int *m
  * 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;
@@ -1596,6 +1595,11 @@ int itrace_parse_synth_opts(const struct option *opt, const char *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[] = {
 	[PERF_AUXTRACE_ERROR_ITRACE] = "instruction trace",
 };

tools/perf/util/auxtrace.h

@@ -607,6 +607,8 @@ s64 perf_event__process_auxtrace(struct perf_session *session,
 				 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,
@@ -738,6 +740,14 @@ void events_stats__auxtrace_error_warn(const struct events_stats *stats
 {
 }
 
+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
 int itrace_parse_synth_opts(const struct option *opt __maybe_unused,
 			    const char *str __maybe_unused,