diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index ee330f50b450..cb853434d761 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -702,7 +702,7 @@ struct syscall_arg_fmt {
 	bool	   show_zero;
 };
 
-static struct syscall_fmt {
+struct syscall_fmt {
 	const char *name;
 	const char *alias;
 	struct {
@@ -714,7 +714,9 @@ static struct syscall_fmt {
 	bool	   errpid;
 	bool	   timeout;
 	bool	   hexret;
-} syscall_fmts[] = {
+};
+
+static struct syscall_fmt syscall_fmts[] = {
 	{ .name	    = "access",
 	  .arg = { [1] = { .scnprintf = SCA_ACCMODE,  /* mode */ }, }, },
 	{ .name	    = "arch_prctl",