35 lines
527 B
C
35 lines
527 B
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <linux/compiler.h>
|
||
|
|
#include "../tests.h"
|
||
|
|
|
||
|
|
/* We want to check these symbols in perf script */
|
||
|
|
noinline void leaf(volatile int b);
|
||
|
|
noinline void parent(volatile int b);
|
||
|
|
|
||
|
|
static volatile int a;
|
||
|
|
|
||
|
|
noinline void leaf(volatile int b)
|
||
|
|
{
|
||
|
|
for (;;)
|
||
|
|
a += b;
|
||
|
|
}
|
||
|
|
|
||
|
|
noinline void parent(volatile int b)
|
||
|
|
{
|
||
|
|
leaf(b);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int leafloop(int argc, const char **argv)
|
||
|
|
{
|
||
|
|
int c = 1;
|
||
|
|
|
||
|
|
if (argc > 0)
|
||
|
|
c = atoi(argv[0]);
|
||
|
|
|
||
|
|
parent(c);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
DEFINE_WORKLOAD(leafloop);
|