diff -r bdaf862c64db -r a90df17d63aa src/cpu/o3/commit.hh
--- a/src/cpu/o3/commit.hh	Thu Dec 01 00:37:13 2011 -0800
+++ b/src/cpu/o3/commit.hh	Thu Dec 01 00:37:13 2011 -0800
@@ -480,6 +480,8 @@
     Stats::Vector statComFloating;
     /** Total number of integer instructions */
     Stats::Vector statComInteger;
+    /** Total number of macro instructions */
+    Stats::Vector statComInstMacro;
     /** Total number of function calls */
     Stats::Vector statComFunctionCalls;
 
diff -r bdaf862c64db -r a90df17d63aa src/cpu/o3/commit_impl.hh
--- a/src/cpu/o3/commit_impl.hh	Thu Dec 01 00:37:13 2011 -0800
+++ b/src/cpu/o3/commit_impl.hh	Thu Dec 01 00:37:13 2011 -0800
@@ -200,6 +200,13 @@
         .flags(total)
         ;
 
+    statComInstMacro
+        .init(cpu->numThreads)
+        .name(name() + ".count_macro")
+        .desc("Number of macro instructions committed")
+        .flags(total)
+        ;
+
     statComSwp
         .init(cpu->numThreads)
         .name(name() + ".swp_count")
@@ -1371,6 +1378,10 @@
         statComMembars[tid]++;
     }
 
+    // Macro instruction Instruction
+    if (!inst->isMicroop() || inst->isLastMicroop())
+        statComInstMacro[tid]++;
+
     // Integer Instruction
     if (inst->isInteger())
         statComInteger[tid]++;