*/
if (o->cpumask_set) {
if (o->cpus_allowed_policy == FIO_CPUS_SPLIT) {
- ret = fio_cpus_split(&o->cpumask, td->thread_number);
+ ret = fio_cpus_split(&o->cpumask, td->thread_number - 1);
if (!ret) {
log_err("fio: no CPUs set\n");
log_err("fio: Try increasing number of available CPUs\n");