1 files changed, 15 insertions, 0 deletions
diff --git a/util/processinfo.cpp b/util/processinfo.cpp
index d6ba6baf1f7..2d5b6e3c3ad 100644
--- a/util/processinfo.cpp
+++ b/util/processinfo.cpp
@@ -17,6 +17,7 @@
 
 #include "pch.h"
 #include "processinfo.h"
+#include "mmap.h"
 
 #include <iostream>
 using namespace std;
@@ -44,4 +45,18 @@ namespace mongo {
         pidFileWiper.write( path );
     }
 
+    void printMemInfo( const char * where ) {
+        cout << "mem info: ";
+        if ( where )
+            cout << where << " ";
+        ProcessInfo pi;
+        if ( ! pi.supported() ) {
+            cout << " not supported" << endl;
+            return;
+        }
+
+        cout << "vsize: " << pi.getVirtualMemorySize() << " resident: " << pi.getResidentSize() << " mapped: " << ( MemoryMappedFile::totalMappedLength() / ( 1024 * 1024 ) ) << endl;
+    }
+
+
 }