added faults/s

1 files changed, 9 insertions, 2 deletions

diff --git a/tools/stat.cpp b/tools/stat.cpp
index b2c5447ad21..b9d99f22d71 100644
--- a/tools/stat.cpp
+++ b/tools/stat.cpp
@@ -151,20 +151,27 @@ namespace mongo {
                 }
             }
 
-			if ( b["backgroundFlushing"].type() == Object ){
+	    if ( b["backgroundFlushing"].type() == Object ){
                 BSONObj ax = a["backgroundFlushing"].embeddedObject();
                 BSONObj bx = b["backgroundFlushing"].embeddedObject();
                 BSONObjIterator i( bx );
                 cell( ss , "flushes/s" , 6 , (int)diff( "flushes" , ax , bx ) );
             }
 
-			if ( b.getFieldDotted("mem.supported").trueValue() ){
+            if ( b.getFieldDotted("mem.supported").trueValue() ){
                 BSONObj bx = b["mem"].embeddedObject();
                 BSONObjIterator i( bx );
                 cell( ss , "mapped" , 6 , bx["mapped"].numberInt() );
                 cell( ss , "vsize" , 6 , bx["virtual"].numberInt() );
                 cell( ss , "res" , 6 , bx["resident"].numberInt() );
             }
+
+            if ( b["extra_info"].type() == Object ){
+                BSONObj ax = a["extra_info"].embeddedObject();
+                BSONObj bx = b["extra_info"].embeddedObject();
+                BSONObjIterator i( bx );
+                cell( ss , "faults/s" , 6 , (int)diff( "page_faults" , ax , bx ) );
+            }
             
             cell( ss , "% locked" , 8 , percent( "globalLock.totalTime" , "globalLock.lockTime" , a , b ) );
             cell( ss , "% idx miss" , 8 , percent( "indexCounters.btree.accesses" , "indexCounters.btree.misses" , a , b ) );