static int self_open_counters(void)
{
struct perf_event_attr attr;
+ char sbuf[STRERR_BUFSIZE];
int fd;
memset(&attr, 0, sizeof(attr));
if (fd < 0)
pr_err("Error: sys_perf_event_open() syscall returned "
- "with %d (%s)\n", fd, strerror(errno));
+ "with %d (%s)\n", fd,
+ strerror_r(errno, sbuf, sizeof(sbuf)));
return fd;
}