Bluetooth: Add timing information to SMP test case runs

After successful completion of the SMP test cases, print the time it
took to run them.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

1 files changed, 9 insertions, 1 deletions

diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 3a4333b5801a..358264c0e785 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -3259,8 +3259,12 @@ static int __init test_h6(struct crypto_hash *tfm_cmac)
 static int __init run_selftests(struct crypto_blkcipher *tfm_aes,
                                 struct crypto_hash *tfm_cmac)
 {
+        ktime_t calltime, delta, rettime;
+        unsigned long long duration;
         int err;
 
+        calltime = ktime_get();
+
         err = test_ah(tfm_aes);
         if (err) {
                 BT_ERR("smp_ah test failed");
@@ -3309,7 +3313,11 @@ static int __init run_selftests(struct crypto_blkcipher *tfm_aes,
                 return err;
         }
 
-        BT_INFO("SMP test passed");
+        rettime = ktime_get();
+        delta = ktime_sub(rettime, calltime);
+        duration = (unsigned long long) ktime_to_ns(delta) >> 10;
+
+        BT_INFO("SMP test passed in %lld usecs", duration);
 
         return 0;
 }