Changeset 43599 in vbox

Timestamp:

Oct 10, 2012 2:47:55 PM (12 years ago)

Author:

vboxsync

Message:

AsyncCompletion: New statistics counter to record 8KB unaligned accesses

Location:

trunk/src/VBox/VMM

Files:

• VMMR3/PDMAsyncCompletion.cpp (modified) (3 diffs)
• include/PDMAsyncCompletionInternal.h (modified) (1 diff)

trunk/src/VBox/VMM/VMMR3/PDMAsyncCompletion.cpp

@@ -945 +945 @@
     else if (cbReq & ((size_t)_4K - 1))
         STAM_REL_COUNTER_INC(&pEndpoint->StatReqsUnaligned4K);
+    else if (cbReq & ((size_t)_8K - 1))
+        STAM_REL_COUNTER_INC(&pEndpoint->StatReqsUnaligned8K);
 }
 
@@ -1206 +1208 @@
                              "Number of requests which size is not aligned to 4KB",
                              "/PDM/AsyncCompletion/File/%s/ReqsUnaligned4K",
+                             RTPathFilename(pEndpoint->pszUri));
+    }
+
+    if (RT_SUCCESS(rc))
+    {
+        rc = STAMR3RegisterF(pVM, &pEndpoint->StatReqsUnaligned8K, STAMTYPE_COUNTER,
+                             STAMVISIBILITY_ALWAYS, STAMUNIT_OCCURENCES,
+                             "Number of requests which size is not aligned to 8KB",
+                             "/PDM/AsyncCompletion/File/%s/ReqsUnaligned8K",
                              RTPathFilename(pEndpoint->pszUri));
     }
@@ -1250 +1261 @@
     STAMR3Deregister(pVM, &pEndpoint->StatReqsUnaligned512);
     STAMR3Deregister(pVM, &pEndpoint->StatReqsUnaligned4K);
+    STAMR3Deregister(pVM, &pEndpoint->StatReqsUnaligned8K);
 }
 

trunk/src/VBox/VMM/include/PDMAsyncCompletionInternal.h

@@ -228 +228 @@
     STAMCOUNTER                                 StatReqsUnaligned512;
     STAMCOUNTER                                 StatReqsUnaligned4K;
+    STAMCOUNTER                                 StatReqsUnaligned8K;
     /** @} */
     /** @name Request completion time statistics.