add priorities for vgpus

repos/dde_uos-intel-gpgpu/src/virt/strategies/cfs.cc

@@ -39,7 +39,7 @@ void CompletlyFair::removeVGPU(VGpu* vgpu)
 VGpu* CompletlyFair::nextVGPU()
 {
     // update cfs entry
-    _curr->runtime += rdtsc() - _curr->ts;
+    _curr->runtime += (rdtsc() - _curr->ts) * -_curr->vgpu->getPriority();
 
     // list empty?
     if(_run_list.empty())

repos/dde_uos-intel-gpgpu/src/virt/vgpu.h

@@ -22,11 +22,34 @@ namespace gpgpu_virt {
             /// list of gpgpu tasks for this vpgu
             Genode::Fifo<Kernel> ready_list;
 
+            /// priority of vgpu
+            int prio;
+
         public:
             /**
              * @brief Construct a new VGpu object
              */
-            VGpu() : ctx(nullptr), ready_list() {}
+            VGpu() : ctx(nullptr), ready_list(), prio(-1) {}
+
+            /**
+             * @brief Set the Priority
+             * 
+             * @param p 
+             */
+            void setPriority(int p)
+            {
+                prio = p;
+            }
+
+            /**
+             * @brief Get the Priority
+             * 
+             * @return int 
+             */
+            int getPriority()
+            {
+                return prio;
+            }
 
             /**
              * @brief Add a kernel to the vGPU's ready list