testing/raix-tree/maple: Increase readers and reduce delay for faster machines

Add more threads and reduce the timing of the readers to increase the
possibility of catching the rcu changes.  The test does not pass unless
the reader is seen.

Signed-off-by: Liam R. Howlett <howlett@gmail.com>

diff --git a/tools/testing/radix-tree/maple.c b/tools/testing/radix-tree/maple.c
index dc8e40b94c3f757fad4509293526e81bf6758d08..3717d76f8f0ac1a50aff163e95188698b53acfcf 100644 (file)
--- a/tools/testing/radix-tree/maple.c
+++ b/tools/testing/radix-tree/maple.c
@@ -35062,7 +35062,7 @@ void run_check_rcu_slowread(struct maple_tree *mt, struct rcu_test_struct *vals)
 
        int i;
        void *(*function)(void *);
-       pthread_t readers[20];
+       pthread_t readers[30];
        unsigned int index = vals->index;
 
        mt_set_in_rcu(mt);
@@ -35080,14 +35080,14 @@ void run_check_rcu_slowread(struct maple_tree *mt, struct rcu_test_struct *vals)
                }
        }
 
-       usleep(5); /* small yield to ensure all threads are at least started. */
+       usleep(3); /* small yield to ensure all threads are at least started. */
 
        while (index <= vals->last) {
                mtree_store(mt, index,
                            (index % 2 ? vals->entry2 : vals->entry3),
                            GFP_KERNEL);
                index++;
-               usleep(5);
+               usleep(2);
        }
 
        while (i--)
@@ -35098,6 +35098,7 @@ void run_check_rcu_slowread(struct maple_tree *mt, struct rcu_test_struct *vals)
        MT_BUG_ON(mt, !vals->seen_entry3);
        MT_BUG_ON(mt, !vals->seen_both);
 }
+
 static noinline void __init check_rcu_simulated(struct maple_tree *mt)
 {
        unsigned long i, nr_entries = 1000;