Changeset 106309 in vbox

Timestamp:

Oct 14, 2024 2:58:19 PM (6 weeks ago)

Author:

vboxsync

Message:

VMM/IEM: Some more tweaking of the bitmap scanning. bugref:10720

File:

• trunk/src/VBox/VMM/VMMAll/IEMAllN8veExecMem.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMAll/IEMAllN8veExecMem.cpp

@@ -852 +852 @@
     }
 
-    pExecMemAllocator->cFruitlessChunkScans += 1;
     return NULL;
 }
@@ -889 +888 @@
         void *pvRet = iemExecMemAllocatorAllocInChunkInt(pExecMemAllocator, pbmAlloc, 0,
                                                          RT_MIN(pExecMemAllocator->cUnitsPerChunk,
-                                                              RT_ALIGN_32(idxHint + cReqUnits, 64)),
+                                                                RT_ALIGN_32(idxHint + cReqUnits, 64*4)),
                                                          cReqUnits, idxChunk, pTb, (void **)ppaExec, ppChunkCtx);
+        if (!pvRet)
+            pExecMemAllocator->cFruitlessChunkScans += 1;
 #ifdef VBOX_WITH_STATISTICS
-        if (pvRet)
+        else
             pExecMemAllocator->cbUnusable += (cReqUnits << IEMEXECMEM_ALT_SUB_ALLOC_UNIT_SHIFT) - cbReq;
 #endif