This repository has been archived on 2021-05-26. You can view files and clone it, but cannot push or open issues or pull requests.
OS/pintos-env/pintos/tests/vm/page-shuffle.c

31 lines
600 B
C
Raw Normal View History

/* Shuffles a 128 kB data buffer 10 times, printing the checksum
after each time. */
#include <stdbool.h>
#include "tests/arc4.h"
#include "tests/cksum.h"
#include "tests/lib.h"
#include "tests/main.h"
#define SIZE (128 * 1024)
static char buf[SIZE];
void
test_main (void)
{
size_t i;
/* Initialize. */
for (i = 0; i < sizeof buf; i++)
buf[i] = i * 257;
msg ("init: cksum=%lu", cksum (buf, sizeof buf));
/* Shuffle repeatedly. */
for (i = 0; i < 10; i++)
{
shuffle (buf, sizeof buf, 1);
msg ("shuffle %zu: cksum=%lu", i, cksum (buf, sizeof buf));
}
}