Changes in kernel/generic/src/interrupt/interrupt.c [b584cd4:d0c82c5] in mainline

File:

• kernel/generic/src/interrupt/interrupt.c (modified) (2 diffs)

kernel/generic/src/interrupt/interrupt.c

@@ -99 +99 @@
 void exc_dispatch(unsigned int n, istate_t *istate)
 {
+        ASSERT(CPU);
+        
 #if (IVT_ITEMS > 0)
         ASSERT(n < IVT_ITEMS);
@@ -109 +111 @@
                 irq_spinlock_unlock(&THREAD->lock, false);
         }
+        
+        /* Account CPU usage if it has waked up from sleep */
+        irq_spinlock_lock(&CPU->lock, false);
+        if (CPU->idle) {
+                uint64_t now = get_cycle();
+                CPU->idle_cycles += now - CPU->last_cycle;
+                CPU->last_cycle = now;
+                CPU->idle = false;
+        }
+        irq_spinlock_unlock(&CPU->lock, false);
         
         uint64_t begin_cycle = get_cycle();