fd = sys_perf_event_open(&attr, 0, -1, -1, 0);
if (fd < 0) {
- pr_debug("Error: sys_perf_event_open() syscall returned "
- "with %d (%s)\n", fd, strerror(errno));
+ pr_err("Error: sys_perf_event_open() syscall returned "
+ "with %d (%s)\n", fd, strerror(errno));
return -1;
}
addr = mmap(NULL, page_size, PROT_READ, MAP_SHARED, fd, 0);
if (addr == (void *)(-1)) {
- pr_debug("Error: mmap() syscall returned with (%s)\n",
- strerror(errno));
+ pr_err("Error: mmap() syscall returned with (%s)\n",
+ strerror(errno));
goto out_close;
}