Changeset 73157 in vbox for trunk/src/VBox/Frontends

Timestamp:

Jul 16, 2018 12:44:47 PM (7 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

123753

Message:

FE/Qt: bugref:8793 Try to convince our users to use CPU cap. functinality a bit more judiciously

File:

• trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsSystem.cpp (modified) (1 diff)

trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsSystem.cpp

@@ -475 +475 @@
         if (m_pSliderCPUExecCap->value() < (int)m_uMedGuestCPUExecCap)
         {
-            message.second << tr(
-                "The processor execution cap is set to a low value. This may make the machine feel slow to respond.");
-        }
+            message.second << tr("The processor execution cap is set to a low value. This may make the machine feel slow to respond.");
+        }
+
+        /* Warn user about possible performance degradation and suggest lowering # of CPU assigned to the VM instead : */
+        if (m_pSliderCPUExecCap->value() < 100)
+        {
+            if(m_uMaxGuestCPU > 1 && m_pSliderCPUCount->value() > 1)
+            {
+                message.second << tr("Please consider lowering the number of CPU assigned to the virtual machine rather"
+                                     " than setting the processor execution cap");
+            }
+            else if (m_uMaxGuestCPU > 1)
+            {
+                message.second << tr("Lowering the processor execution cap may result in a decline in performance.");
+
+            }
+        }
+    }
 
         /* Serialize message: */