/* overall CPU utilization */
schedstat = openat(procfd, "schedstat", O_RDONLY);
if (schedstat == -1) {
- log_error_errno(errno, "Failed to open /proc/schedstat: %m");
+ log_error_errno(errno, "Failed to open /proc/schedstat (requires CONFIG_SCHEDSTATS=y in kernel config): %m");
exit(EXIT_FAILURE);
}
}