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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
*/
#include <stdio.h>
#include <stdlib.h>
#include "event.h"
#include "utils.h"
#define MALLOC_SIZE (0x10000 * 10) /* Ought to be enough .. */
/*
* Tests that the L3 bank handling is correct. We fixed it in commit e9aaac1.
*/
static int l3_bank_test(void)
{
struct event event;
char *p;
int i;
// The L3 bank logic is only used on Power8 or later
SKIP_IF(!have_hwcap2(PPC_FEATURE2_ARCH_2_07));
p = malloc(MALLOC_SIZE);
FAIL_IF(!p);
event_init(&event, 0x84918F);
FAIL_IF(event_open(&event));
for (i = 0; i < MALLOC_SIZE; i += 0x10000)
p[i] = i;
event_read(&event);
event_report(&event);
FAIL_IF(event.result.running == 0);
FAIL_IF(event.result.enabled == 0);
event_close(&event);
free(p);
return 0;
}
int main(void)
{
return test_harness(l3_bank_test, "l3_bank_test");
}
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