added yield functionality

[palacios.git] / palacios / src / palacios / vmm_config.c

diff --git a/palacios/src/palacios/vmm_config.c b/palacios/src/palacios/vmm_config.c
index 397b228..5bfe537 100644 (file)
--- a/palacios/src/palacios/vmm_config.c
+++ b/palacios/src/palacios/vmm_config.c
@@ -104,6 +104,14 @@ int v3_pre_config_guest(struct guest_info * info, struct v3_vm_config * config_p
        info->enable_profiler = 0;
     }
 
+    if (config_ptr->schedule_freq == 0) {
+       // set the schedule frequency to 100 HZ
+       config_ptr->schedule_freq = 100;
+    }
+
+    PrintDebug("CPU_KHZ = %d, schedule_freq=%p\n", V3_CPU_KHZ(), (void *)config_ptr->schedule_freq);
+
+    info->yield_cycle_period = (V3_CPU_KHZ() * 1000) / config_ptr->schedule_freq;
     
     // Initial CPU operating mode
     info->cpu_mode = REAL;