static int verbose_sleep_duration = 1;
module_param(verbose_sleep_duration, int, 0444);
+static int random_shuffle;
+module_param(random_shuffle, int, 0444);
+
static char *torture_type;
static int verbose;
*/
static void torture_shuffle_tasks(void)
{
+ DEFINE_TORTURE_RANDOM(rand);
struct shuffle_task *stp;
cpumask_setall(shuffle_tmp_mask);
cpumask_clear_cpu(shuffle_idle_cpu, shuffle_tmp_mask);
mutex_lock(&shuffle_task_mutex);
- list_for_each_entry(stp, &shuffle_task_list, st_l)
- set_cpus_allowed_ptr(stp->st_t, shuffle_tmp_mask);
+ list_for_each_entry(stp, &shuffle_task_list, st_l) {
+ if (!random_shuffle || torture_random(&rand) & 0x1)
+ set_cpus_allowed_ptr(stp->st_t, shuffle_tmp_mask);
+ }
mutex_unlock(&shuffle_task_mutex);
cpus_read_unlock();