diff --git a/db/dur.cpp b/db/dur.cpp
index 5d9bfb611be..eb9844d4aae 100644
--- a/db/dur.cpp
+++ b/db/dur.cpp
@@ -73,10 +73,19 @@ namespace mongo {
 
         Stats stats;
 
-        Stats::Stats() {
+        void Stats::S::reset() {
             memset(this, 0, sizeof(*this));
         }
 
+        BSONObj Stats::S::asObj() { 
+            return BSON(
+                "commits" << _commits <<
+                "journaledMB" << _journaledBytes / 1000000.0 <<
+                "writeToDataFileMB" << _writeToDataFilesBytes / 1000000.0 <<
+                "commitsInWriteLock" << _commitsInWriteLock
+                );
+        }
+
         DurableInterface* DurableInterface::_impl = new NonDurableImpl();
 
         void NonDurableImpl::startup() {
@@ -265,7 +274,7 @@ namespace mongo {
                         std::stringstream ss;
                         ss << "dur error warning views mismatch " << mmf->filename() << ' ' << (hex) << low << ".." << high << " len:" << high-low+1;
                         log() << ss.str() << endl;
-                        log() << "priv loc: " << (void*)(p+low) << ' ' << stats.curr._objCopies << endl;
+                        log() << "priv loc: " << (void*)(p+low) << ' ' << endl;
                         set<WriteIntent>& b = commitJob.writes();
                         (void)b; // mark as unused. Useful for inspection in debugger
 
diff --git a/db/dur_stats.h b/db/dur_stats.h
index cd76efb01a9..0e44c417080 100644
--- a/db/dur_stats.h
+++ b/db/dur_stats.h
@@ -7,10 +7,12 @@ namespace mongo {
             uncommon (from a serverStatus command and such).  Thus, there should not be multicore chatter overhead.
         */
         struct Stats { 
-            Stats();
+            Stats() { curr.reset(); }
             struct S { 
+                BSONObj asObj();
+                void reset();
+
                 unsigned _commits;
-                unsigned _objCopies;
                 unsigned long long _journaledBytes;
                 unsigned long long _writeToDataFilesBytes;
 
diff --git a/dbtests/perftests.cpp b/dbtests/perftests.cpp
index 11d497d9115..e239d285074 100644
--- a/dbtests/perftests.cpp
+++ b/dbtests/perftests.cpp
@@ -32,6 +32,7 @@
 #include "../db/taskqueue.h"
 #include "../util/timer.h"
 #include "dbtests.h"
+#include "../db/dur_stats.h"
 
 namespace PerfTests {
     typedef DBDirectClient DBClientType;
@@ -111,12 +112,17 @@ namespace PerfTests {
         virtual string name() = 0;
         virtual unsigned long long expectation() = 0;
     public:
+        void say(unsigned long long n, int ms, string s) { 
+            cout << setw(36) << left << s << ' ' << right << setw(7) << n*1000/ms << "/sec   " << setw(4) << ms << "ms" << endl;
+            cout << dur::stats.curr.asObj().toString() << endl;
+        }
         void run() { 
             _ns = string("perftest.") + name();
             client().dropCollection(ns());
 
             prep();
 
+            dur::stats.curr.reset();
             Timer t;
             unsigned long long n = 0;
             const unsigned Batch = 50;
@@ -128,7 +134,7 @@ namespace PerfTests {
             } while( t.millis() < 5000 );
             client().getLastError(); // block until all ops are finished
             int ms = t.millis();
-            cout << setw(36) << name() << ' ' << setw(7) << n*1000/ms << "/sec  " << setw(4) << ms << "ms" << endl;
+            say(n, ms, name());
 
             if( n < expectation() ) { 
                 cout << "test " << name() << " seems slow n:" << n << " ops/sec but expect greater than:" << expectation() << endl;
@@ -140,6 +146,7 @@ namespace PerfTests {
             {
                 const char *test2name = timed2();
                 if( test2name ) {
+                    dur::stats.curr.reset();
                     Timer t;
                     unsigned long long n = 0;
                     while( 1 ) { 
@@ -151,7 +158,7 @@ namespace PerfTests {
                             break;
                     }
                     int ms = t.millis();
-                    cout << setw(36) << test2name << ' ' << setw(7) << n << "/sec  " << setw(4) << ms << "ms" << endl;
+                    say(n, ms, test2name);
                 }
             }
         }