xref: /linux/tools/perf/tests/workloads/datasym.c (revision 1a2ac6d7ecdcde74a4e16f31de64124160fc7237)
1 #include <linux/compiler.h>
2 #include "../tests.h"
3 
4 typedef struct _buf {
5 	char data1;
6 	char reserved[55];
7 	char data2;
8 } buf __attribute__((aligned(64)));
9 
10 static buf buf1 = {
11 	/* to have this in the data section */
12 	.reserved[0] = 1,
13 };
14 
15 static int datasym(int argc __maybe_unused, const char **argv __maybe_unused)
16 {
17 	for (;;) {
18 		buf1.data1++;
19 		buf1.data2 += buf1.data1;
20 	}
21 	return 0;
22 }
23 
24 DEFINE_WORKLOAD(datasym);
25