selftests/powerpc: Add process creation benchmark

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
[mpe: Add SPDX, and fixup formatting]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

1 files changed, 13 insertions, 0 deletions

diff --git a/tools/testing/selftests/powerpc/benchmarks/exec_target.c b/tools/testing/selftests/powerpc/benchmarks/exec_target.c
new file mode 100644
index 000000000000..3c9c144192be
--- /dev/null
+++ b/tools/testing/selftests/powerpc/benchmarks/exec_target.c
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+/*
+ * Part of fork context switch microbenchmark.
+ *
+ * Copyright 2018, Anton Blanchard, IBM Corp.
+ */
+
+void _exit(int);
+void _start(void)
+{
+	_exit(0);
+}