tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright 2014, Michael Ellerman, IBM Corp.
3 * Licensed under GPLv2.
4 */
5
6#include <stdio.h>
7#include <stdlib.h>
8
9#include "event.h"
10#include "utils.h"
11
12#define MALLOC_SIZE (0x10000 * 10) /* Ought to be enough .. */
13
14/*
15 * Tests that the L3 bank handling is correct. We fixed it in commit e9aaac1.
16 */
17static int l3_bank_test(void)
18{
19 struct event event;
20 char *p;
21 int i;
22
23 p = malloc(MALLOC_SIZE);
24 FAIL_IF(!p);
25
26 event_init(&event, 0x84918F);
27
28 FAIL_IF(event_open(&event));
29
30 for (i = 0; i < MALLOC_SIZE; i += 0x10000)
31 p[i] = i;
32
33 event_read(&event);
34 event_report(&event);
35
36 FAIL_IF(event.result.running == 0);
37 FAIL_IF(event.result.enabled == 0);
38
39 event_close(&event);
40 free(p);
41
42 return 0;
43}
44
45int main(void)
46{
47 return test_harness(l3_bank_test, "l3_bank_test");
48}