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-rw-r--r--kernel/torture.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/kernel/torture.c b/kernel/torture.c
index 7ad5c9681580..93eeeb2b3d88 100644
--- a/kernel/torture.c
+++ b/kernel/torture.c
@@ -48,6 +48,12 @@ module_param(disable_onoff_at_boot, bool, 0444);
static bool ftrace_dump_at_shutdown;
module_param(ftrace_dump_at_shutdown, bool, 0444);
+static int verbose_sleep_frequency;
+module_param(verbose_sleep_frequency, int, 0444);
+
+static int verbose_sleep_duration = 1;
+module_param(verbose_sleep_duration, int, 0444);
+
static char *torture_type;
static int verbose;
@@ -58,6 +64,20 @@ static int verbose;
static int fullstop = FULLSTOP_RMMOD;
static DEFINE_MUTEX(fullstop_mutex);
+static atomic_t verbose_sleep_counter;
+
+/*
+ * Sleep if needed from VERBOSE_TOROUT*().
+ */
+void verbose_torout_sleep(void)
+{
+ if (verbose_sleep_frequency > 0 &&
+ verbose_sleep_duration > 0 &&
+ !(atomic_inc_return(&verbose_sleep_counter) % verbose_sleep_frequency))
+ schedule_timeout_uninterruptible(verbose_sleep_duration);
+}
+EXPORT_SYMBOL_GPL(verbose_torout_sleep);
+
/*
* Schedule a high-resolution-timer sleep in nanoseconds, with a 32-bit
* nanosecond random fuzz. This function and its friends desynchronize

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