Bluetooth: Add timing information to ECDH test case runs

After successful completion of the ECDH 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/selftest.c b/net/bluetooth/selftest.c
index a7602b3d0b0d..9c67315172cf 100644
--- a/net/bluetooth/selftest.c
+++ b/net/bluetooth/selftest.c
@@ -156,8 +156,12 @@ static int __init test_ecdh_sample(const u8 priv_a[32], const u8 priv_b[32],
 
 static int __init test_ecdh(void)
 {
+        ktime_t calltime, delta, rettime;
+        unsigned long long duration;
         int err;
 
+        calltime = ktime_get();
+
         err = test_ecdh_sample(priv_a_1, priv_b_1, pub_a_1, pub_b_1, dhkey_1);
         if (err) {
                 BT_ERR("ECDH sample 1 failed");
@@ -176,7 +180,11 @@ static int __init test_ecdh(void)
                 return err;
         }
 
-        BT_INFO("ECDH test passed");
+        rettime = ktime_get();
+        delta = ktime_sub(rettime, calltime);
+        duration = (unsigned long long) ktime_to_ns(delta) >> 10;
+
+        BT_INFO("ECDH test passed in %lld usecs", duration);
 
         return 0;
 }