[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/tools/perf/util/setns.c b/src/kernel/linux/v4.19/tools/perf/util/setns.c
new file mode 100644
index 0000000..ce8fc29
--- /dev/null
+++ b/src/kernel/linux/v4.19/tools/perf/util/setns.c
@@ -0,0 +1,8 @@
+#include "util.h"
+#include <unistd.h>
+#include <sys/syscall.h>
+
+int setns(int fd, int nstype)
+{
+	return syscall(__NR_setns, fd, nstype);
+}