Fixes to time code to allow virtualization to hide costs of running in the

[palacios.git] / palacios / src / devices / 8254.c

diff --git a/palacios/src/devices/8254.c b/palacios/src/devices/8254.c
index 7bf6a8c..ffae665 100644 (file)
--- a/palacios/src/devices/8254.c
+++ b/palacios/src/devices/8254.c
@@ -299,10 +299,13 @@ static void pit_update_timer(struct guest_info * info, ullong_t cpu_cycles, ullo
        // update counter with remainder (mod reload)
        state->pit_counter = state->pit_reload - cpu_cycles;    
 
-       //PrintDebug("8254 PIT: Handling %d crystal tics\n", oscillations);
+       if (oscillations) {
+           PrintDebug("8254 PIT: Handling %d crystal tics\n", oscillations);
+       }
+
        if (handle_crystal_tics(state, &(state->ch_0), oscillations) == 1) {
            // raise interrupt
-           PrintDebug("8254 PIT: Injecting Timer interrupt to guest\n");
+           // PrintDebug("8254 PIT: Injecting Timer interrupt to guest\n");
            v3_raise_irq(info->vm_info, 0);
        }