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#include "cachepc_user.h"
#include <sys/ioctl.h>
#include <fcntl.h>
#include <stdint.h>
#include <assert.h>
#include <unistd.h>
#include <err.h>
#include <stdlib.h>
#include <stdio.h>
int
main(int argc, const char **argv)
{
uint16_t counts[64];
uint32_t arg;
size_t i, len;
int fd, ret;
fd = open("/proc/cachepc", O_RDONLY);
if (fd < 0) err(1, "open");
arg = 48;
if (argc == 2) arg = atoi(argv[1]);
ret = ioctl(fd, CACHEPC_IOCTL_TEST_EVICTION, &arg);
if (ret == -1) err(1, "ioctl");
len = read(fd, counts, sizeof(counts));
if (len != sizeof(counts))
errx(1, "invalid count read");
for (i = 0; i < 64; i++) {
if (i % 16 == 0 && i)
printf("\n");
if (counts[i] > 0)
printf("\x1b[91m");
printf("%2lu ", i);
if (counts[i] > 0)
printf("\x1b[0m");
}
printf("\n");
close(fd);
}
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