Changeset 46319 in vbox for trunk/src/VBox/Main/src-server/win

Timestamp:

May 30, 2013 9:22:00 AM (12 years ago)

Author:

vboxsync

Message:

Main/PerformanceWin: call RTSystemQueryTotalRam() only once

File:

• trunk/src/VBox/Main/src-server/win/PerformanceWin.cpp (modified) (3 diffs)

trunk/src/VBox/Main/src-server/win/PerformanceWin.cpp

@@ -89 +89 @@
     PFNNQSI mpfnNtQuerySystemInformation;
     HMODULE mhNtDll;
+
+    ULONG totalRAM;
 };
 
@@ -119 +121 @@
         }
     }
+
+    uint64_t cb;
+    int rc = RTSystemQueryTotalRam(&cb);
+    if (RT_FAILURE(rc))
+        totalRAM = 0;
+    else
+        totalRAM = (ULONG)(cb / 1024);
 }
 
@@ -303 +312 @@
 {
     uint64_t cb;
-    int rc = RTSystemQueryTotalRam(&cb);
+    rc = RTSystemQueryAvailableRam(&cb);
     if (RT_SUCCESS(rc))
     {
-        *total = (ULONG)(cb / 1024);
-        rc = RTSystemQueryAvailableRam(&cb);
-        if (RT_SUCCESS(rc))
-        {
-            *available = (ULONG)(cb / 1024);
-            *used = *total - *available;
-        }
+        *total = totalRAM;
+        *available = (ULONG)(cb / 1024);
+        *used = *total - *available;
     }
     return rc;