Additional locking info

1 files changed, 8 insertions, 1 deletions

diff --git a/litmus/sched_gsn_edf.c b/litmus/sched_gsn_edf.c
index 3d32f74ff51c..0afd49155999 100644
--- a/litmus/sched_gsn_edf.c
+++ b/litmus/sched_gsn_edf.c
@@ -758,8 +758,11 @@ int gsnedf_fmlp_lock(struct litmus_lock* l)
                 /* check if we need to activate priority inheritance */
                 if (edf_higher_prio(t, sem->hp_waiter)) {
                         sem->hp_waiter = t;
-                        if (edf_higher_prio(t, sem->owner))
+                        if (edf_higher_prio(t, sem->owner)) {
+                                sched_trace_priority_donate(sem->owner, t, l->id);
                                 set_priority_inheritance(sem->owner, sem->hp_waiter);
+
+                        }
                 }
 
                 /* release lock before sleeping */
@@ -789,6 +792,8 @@ int gsnedf_fmlp_lock(struct litmus_lock* l)
                 spin_unlock_irqrestore(&sem->wait.lock, flags);
         }
 
+        sched_trace_resource_acquire(t, l->id);
+
         return 0;
 }
 
@@ -842,6 +847,8 @@ int gsnedf_fmlp_unlock(struct litmus_lock* l)
         if (tsk_rt(t)->inh_task)
                 clear_priority_inheritance(t);
 
+        sched_trace_resource_release(t, l->id);
+
 out:
         spin_unlock_irqrestore(&sem->wait.lock, flags);