1/* SPDX-License-Identifier: GPL-2.0 */
 2#include <stdlib.h>
 3#include <linux/compiler.h>
 4#include "../tests.h"
 5
 6/* We want to check these symbols in perf script */
 7noinline void leaf(volatile int b);
 8noinline void parent(volatile int b);
 9
10static volatile int a;
11
12noinline void leaf(volatile int b)
13{
14	for (;;)
15		a += b;
16}
17
18noinline void parent(volatile int b)
19{
20	leaf(b);
21}
22
23static int leafloop(int argc, const char **argv)
24{
25	int c = 1;
26
27	if (argc > 0)
28		c = atoi(argv[0]);
29
30	parent(c);
31	return 0;
32}
33
34DEFINE_WORKLOAD(leafloop);