VMMDev/HGCM: Use an allocation cache for HGCM command structures with 6 or fewer parameters (also connect and disconnect). Moved the connection location out of the union just like the parameters, as it's 132 bytes big. bugref:9172

git-svn-id: https://www.virtualbox.org/svn/vbox/trunk@75537 cfe28804-0f27-0410-a406-dd0f0b0b656f

1 files changed, 6 insertions, 5 deletions

diff --git a/src/VBox/Devices/VMMDev/VMMDevState.h b/src/VBox/Devices/VMMDev/VMMDevState.h
index 8fd3f7726d8..e4c091c4a2b 100644
--- a/src/VBox/Devices/VMMDev/VMMDevState.h
+++ b/src/VBox/Devices/VMMDev/VMMDevState.h
@@ -28,6 +28,8 @@
 #endif
 
 #include <iprt/list.h>
+#include <iprt/memcache.h>
+
 
 #define VMMDEV_WITH_ALT_TIMESYNC
 
@@ -282,15 +284,13 @@ typedef struct VMMDevState
     uint32_t u32HGCMEnabled;
     /** Saved state version of restored commands. */
     uint32_t u32SSMVersion;
-# if HC_ARCH_BITS == 32
-    /** Alignment padding. */
-    uint32_t u32Alignment7;
-# endif
+    RTMEMCACHE  hHgcmCmdCache;
     STAMPROFILE StatHgcmCmdArrival;
     STAMPROFILE StatHgcmCmdCompletion;
     STAMPROFILE StatHgcmCmdTotal;
-    STAMCOUNTER StatHgcmReqBufAllocs;
+    STAMCOUNTER StatHgcmLargeCmdAllocs;
 #endif /* VBOX_WITH_HGCM */
+    STAMCOUNTER StatReqBufAllocs;
 
     /** Per CPU request 4K sized buffers, allocated as needed. */
     R3PTRTYPE(VMMDevRequestHeader *) apReqBufs[VMM_MAX_CPU_COUNT];
@@ -405,6 +405,7 @@ AssertCompileMemberAlignment(VMMDEV, TestingData.Value.u64Value, 8);
 void VMMDevNotifyGuest(VMMDEV *pVMMDevState, uint32_t u32EventMask);
 void VMMDevCtlSetGuestFilterMask(VMMDEV *pVMMDevState, uint32_t u32OrMask, uint32_t u32NotMask);
 
+
 /** The saved state version. */
 #define VMMDEV_SAVED_STATE_VERSION                              VMMDEV_SAVED_STATE_VERSION_HGCM_PARAMS
 /** Updated HGCM commands. */