rcu: Update rcutorture defaults

A number of new features have been added to rcutorture over the years, but
the defaults have not been updated to include them.  This commit therefore
turns on a couple of them that have proven helpful and trustworthy, namely
periodic progress reports and testing of NO_HZ.

Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>

1 files changed, 4 insertions, 3 deletions

diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
index 25b15033c61f..53c548c39265 100644
--- a/kernel/rcutorture.c
+++ b/kernel/rcutorture.c
@@ -53,10 +53,11 @@ MODULE_AUTHOR("Paul E. McKenney <paulmck@us.ibm.com> and Josh Triplett <josh@fre
 
 static int nreaders = -1;       /* # reader threads, defaults to 2*ncpus */
 static int nfakewriters = 4;    /* # fake writer threads */
-static int stat_interval;       /* Interval between stats, in seconds. */
-                                /*  Defaults to "only at end of test". */
+static int stat_interval = 60;  /* Interval between stats, in seconds. */
+                                /*  Zero means "only at end of test". */
 static bool verbose;            /* Print more debug info. */
-static bool test_no_idle_hz;    /* Test RCU's support for tickless idle CPUs. */
+static bool test_no_idle_hz = true;
+                                /* Test RCU support for tickless idle CPUs. */
 static int shuffle_interval = 3; /* Interval between shuffles (in sec)*/
 static int stutter = 5;         /* Start/stop testing interval (in sec) */
 static int irqreader = 1;       /* RCU readers from irq (timers). */