[PATCH tip/core/rcu 34/55] rcutorture: Announce task creation

From: Paul E. McKenney
Date: Mon Feb 17 2014 - 17:24:56 EST


From: "Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx>

A few "stealth-start rcutorture kthreads" have accumulated over the years,
so this commit adds console-log announcements (but only if the torture
tests are running verbose).

Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
---
kernel/rcu/rcutorture.c | 4 ++++
kernel/torture.c | 4 ++++
2 files changed, 8 insertions(+)

diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index 4402b95b376b..aaca2350e0e4 100644
--- a/kernel/rcu/rcutorture.c
+++ b/kernel/rcu/rcutorture.c
@@ -1119,6 +1119,7 @@ static int __init rcu_torture_stall_init(void)

if (stall_cpu <= 0)
return 0;
+ VERBOSE_TOROUT_STRING("Creating rcu_torture_stall task");
stall_task = kthread_run(rcu_torture_stall, NULL, "rcu_torture_stall");
if (IS_ERR(stall_task)) {
ret = PTR_ERR(stall_task);
@@ -1241,6 +1242,7 @@ static int rcu_torture_barrier_init(void)
return -ENOMEM;
for (i = 0; i < n_barrier_cbs; i++) {
init_waitqueue_head(&barrier_cbs_wq[i]);
+ VERBOSE_TOROUT_STRING("Creating rcu_torture_barrier_cbs task");
barrier_cbs_tasks[i] = kthread_run(rcu_torture_barrier_cbs,
(void *)(long)i,
"rcu_torture_barrier_cbs");
@@ -1252,6 +1254,7 @@ static int rcu_torture_barrier_init(void)
}
torture_shuffle_task_register(barrier_cbs_tasks[i]);
}
+ VERBOSE_TOROUT_STRING("Creating rcu_torture_barrier task");
barrier_task = kthread_run(rcu_torture_barrier, NULL,
"rcu_torture_barrier");
if (IS_ERR(barrier_task)) {
@@ -1605,6 +1608,7 @@ rcu_torture_init(void)
fqs_duration = 0;
if (fqs_duration) {
/* Create the fqs thread */
+ VERBOSE_TOROUT_STRING("Creating rcu_torture_fqs task");
fqs_task = kthread_run(rcu_torture_fqs, NULL,
"rcu_torture_fqs");
if (IS_ERR(fqs_task)) {
diff --git a/kernel/torture.c b/kernel/torture.c
index 217baffcaa66..12a5807fb4e9 100644
--- a/kernel/torture.c
+++ b/kernel/torture.c
@@ -187,6 +187,7 @@ int torture_onoff_init(long ooholdoff, long oointerval)
onoff_interval = oointerval;
if (onoff_interval <= 0)
return 0;
+ VERBOSE_TOROUT_STRING("Creating torture_onoff task");
onoff_task = kthread_run(torture_onoff, NULL, "torture_onoff");
if (IS_ERR(onoff_task)) {
ret = PTR_ERR(onoff_task);
@@ -390,6 +391,7 @@ int torture_shuffle_init(long shuffint)
}

/* Create the shuffler thread */
+ VERBOSE_TOROUT_STRING("Creating torture_shuffle task");
shuffler_task = kthread_run(torture_shuffle, NULL, "torture_shuffle");
if (IS_ERR(shuffler_task)) {
ret = PTR_ERR(shuffler_task);
@@ -486,6 +488,7 @@ int torture_shutdown_init(int ssecs, void (*cleanup)(void))
shutdown_secs = ssecs;
torture_shutdown_hook = cleanup;
if (shutdown_secs > 0) {
+ VERBOSE_TOROUT_STRING("Creating torture_shutdown task");
shutdown_time = jiffies + shutdown_secs * HZ;
shutdown_task = kthread_create(torture_shutdown, NULL,
"torture_shutdown");
@@ -592,6 +595,7 @@ int torture_stutter_init(int s)
int ret;

stutter = s;
+ VERBOSE_TOROUT_STRING("Creating torture_stutter task");
stutter_task = kthread_run(torture_stutter, NULL, "torture_stutter");
if (IS_ERR(stutter_task)) {
ret = PTR_ERR(stutter_task);
--
1.8.1.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/