score: Optimize watchdog tickle

Avoid unnecessary lock acquire/release operations.  Get realtime via
timecounter only if necessary.

Update #3264.

1 files changed, 9 insertions, 1 deletions

diff --git a/testsuites/sptests/spwatchdog/init.c b/testsuites/sptests/spwatchdog/init.c
index 0c7d41fd33..5b6266d033 100644
--- a/testsuites/sptests/spwatchdog/init.c
+++ b/testsuites/sptests/spwatchdog/init.c
@@ -82,10 +82,18 @@ static uint64_t test_watchdog_tick( Watchdog_Header *header, uint64_t now )
 {
   ISR_LOCK_DEFINE( , lock, "Test" )
   ISR_lock_Context lock_context;
+  Watchdog_Control *first;
 
   _ISR_lock_ISR_disable_and_acquire( &lock, &lock_context );
+
   ++now;
-  _Watchdog_Tickle( header, now, &lock, &lock_context );
+  first = _Watchdog_Header_first( header );
+
+  if ( first != NULL ) {
+    _Watchdog_Tickle( header, first, now, &lock, &lock_context );
+  }
+
+  _ISR_lock_Release_and_ISR_enable( &lock, &lock_context );
   _ISR_lock_Destroy( &lock );
 
   return now;