struct rcu_torture_ops {
void (*init)(void);
- void (*cleanup)(void);
int (*readlock)(void);
void (*read_delay)(struct rcu_random_state *rrsp);
void (*readunlock)(int idx);
static struct rcu_torture_ops rcu_ops = {
.init = NULL,
- .cleanup = NULL,
.readlock = rcu_torture_read_lock,
.read_delay = rcu_read_delay,
.readunlock = rcu_torture_read_unlock,
static struct rcu_torture_ops rcu_sync_ops = {
.init = rcu_sync_torture_init,
- .cleanup = NULL,
.readlock = rcu_torture_read_lock,
.read_delay = rcu_read_delay,
.readunlock = rcu_torture_read_unlock,
static struct rcu_torture_ops rcu_expedited_ops = {
.init = rcu_sync_torture_init,
- .cleanup = NULL,
.readlock = rcu_torture_read_lock,
.read_delay = rcu_read_delay, /* just reuse rcu's version. */
.readunlock = rcu_torture_read_unlock,
static struct rcu_torture_ops rcu_bh_ops = {
.init = NULL,
- .cleanup = NULL,
.readlock = rcu_bh_torture_read_lock,
.read_delay = rcu_read_delay, /* just reuse rcu's version. */
.readunlock = rcu_bh_torture_read_unlock,
static struct rcu_torture_ops rcu_bh_sync_ops = {
.init = rcu_sync_torture_init,
- .cleanup = NULL,
.readlock = rcu_bh_torture_read_lock,
.read_delay = rcu_read_delay, /* just reuse rcu's version. */
.readunlock = rcu_bh_torture_read_unlock,
static struct rcu_torture_ops rcu_bh_expedited_ops = {
.init = rcu_sync_torture_init,
- .cleanup = NULL,
.readlock = rcu_bh_torture_read_lock,
.read_delay = rcu_read_delay, /* just reuse rcu's version. */
.readunlock = rcu_bh_torture_read_unlock,
* Definitions for srcu torture testing.
*/
-static struct srcu_struct srcu_ctl;
-
-static void srcu_torture_init(void)
-{
- init_srcu_struct(&srcu_ctl);
- rcu_sync_torture_init();
-}
-
-static void srcu_torture_cleanup(void)
-{
- synchronize_srcu(&srcu_ctl);
- cleanup_srcu_struct(&srcu_ctl);
-}
+DEFINE_STATIC_SRCU(srcu_ctl);
static int srcu_torture_read_lock(void) __acquires(&srcu_ctl)
{
}
static struct rcu_torture_ops srcu_ops = {
- .init = srcu_torture_init,
- .cleanup = srcu_torture_cleanup,
+ .init = rcu_sync_torture_init,
.readlock = srcu_torture_read_lock,
.read_delay = srcu_read_delay,
.readunlock = srcu_torture_read_unlock,
};
static struct rcu_torture_ops srcu_sync_ops = {
- .init = srcu_torture_init,
- .cleanup = srcu_torture_cleanup,
+ .init = rcu_sync_torture_init,
.readlock = srcu_torture_read_lock,
.read_delay = srcu_read_delay,
.readunlock = srcu_torture_read_unlock,
}
static struct rcu_torture_ops srcu_raw_ops = {
- .init = srcu_torture_init,
- .cleanup = srcu_torture_cleanup,
+ .init = rcu_sync_torture_init,
.readlock = srcu_torture_read_lock_raw,
.read_delay = srcu_read_delay,
.readunlock = srcu_torture_read_unlock_raw,
};
static struct rcu_torture_ops srcu_raw_sync_ops = {
- .init = srcu_torture_init,
- .cleanup = srcu_torture_cleanup,
+ .init = rcu_sync_torture_init,
.readlock = srcu_torture_read_lock_raw,
.read_delay = srcu_read_delay,
.readunlock = srcu_torture_read_unlock_raw,
}
static struct rcu_torture_ops srcu_expedited_ops = {
- .init = srcu_torture_init,
- .cleanup = srcu_torture_cleanup,
+ .init = rcu_sync_torture_init,
.readlock = srcu_torture_read_lock,
.read_delay = srcu_read_delay,
.readunlock = srcu_torture_read_unlock,
static struct rcu_torture_ops sched_ops = {
.init = rcu_sync_torture_init,
- .cleanup = NULL,
.readlock = sched_torture_read_lock,
.read_delay = rcu_read_delay, /* just reuse rcu's version. */
.readunlock = sched_torture_read_unlock,
static struct rcu_torture_ops sched_sync_ops = {
.init = rcu_sync_torture_init,
- .cleanup = NULL,
.readlock = sched_torture_read_lock,
.read_delay = rcu_read_delay, /* just reuse rcu's version. */
.readunlock = sched_torture_read_unlock,
static struct rcu_torture_ops sched_expedited_ops = {
.init = rcu_sync_torture_init,
- .cleanup = NULL,
.readlock = sched_torture_read_lock,
.read_delay = rcu_read_delay, /* just reuse rcu's version. */
.readunlock = sched_torture_read_unlock,
"fqs_duration=%d fqs_holdoff=%d fqs_stutter=%d "
"test_boost=%d/%d test_boost_interval=%d "
"test_boost_duration=%d shutdown_secs=%d "
+ "stall_cpu=%d stall_cpu_holdoff=%d "
+ "n_barrier_cbs=%d "
"onoff_interval=%d onoff_holdoff=%d\n",
torture_type, tag, nrealreaders, nfakewriters,
stat_interval, verbose, test_no_idle_hz, shuffle_interval,
stutter, irqreader, fqs_duration, fqs_holdoff, fqs_stutter,
test_boost, cur_ops->can_boost,
test_boost_interval, test_boost_duration, shutdown_secs,
+ stall_cpu, stall_cpu_holdoff,
+ n_barrier_cbs,
onoff_interval, onoff_holdoff);
}
unsigned long delta;
int maxcpu = -1;
DEFINE_RCU_RANDOM(rand);
+ int ret;
unsigned long starttime;
VERBOSE_PRINTK_STRING("rcu_torture_onoff task started");
torture_type, cpu);
starttime = jiffies;
n_offline_attempts++;
- if (cpu_down(cpu) == 0) {
+ ret = cpu_down(cpu);
+ if (ret) {
+ if (verbose)
+ pr_alert("%s" TORTURE_FLAG
+ "rcu_torture_onoff task: offline %d failed: errno %d\n",
+ torture_type, cpu, ret);
+ } else {
if (verbose)
pr_alert("%s" TORTURE_FLAG
"rcu_torture_onoff task: offlined %d\n",
rcu_torture_stats_print(); /* -After- the stats thread is stopped! */
- if (cur_ops->cleanup)
- cur_ops->cleanup();
if (atomic_read(&n_rcu_torture_error) || n_rcu_torture_barrier_error)
rcu_torture_print_module_parms(cur_ops, "End of test: FAILURE");
else if (n_online_successes != n_online_attempts ||