1 files changed, 62 insertions, 1 deletions
diff --git a/lldb/tools/lldb-perf/lib/MemoryGauge.h b/lldb/tools/lldb-perf/lib/MemoryGauge.h
index eefd274b9c4..821245557ed 100644
--- a/lldb/tools/lldb-perf/lib/MemoryGauge.h
+++ b/lldb/tools/lldb-perf/lib/MemoryGauge.h
@@ -15,7 +15,68 @@
 
 namespace lldb_perf
 {
-class MemoryGauge : public Gauge<mach_vm_size_t>
+class MemoryStats
+{
+public:
+    MemoryStats ();
+    MemoryStats (mach_vm_size_t,mach_vm_size_t = 0, mach_vm_size_t = 0);
+    MemoryStats (const MemoryStats& rhs);
+    
+    MemoryStats&
+    operator = (const MemoryStats& rhs);
+
+    MemoryStats&
+    operator += (const MemoryStats& rhs);
+
+    MemoryStats
+    operator - (const MemoryStats& rhs);
+
+    MemoryStats&
+    operator / (size_t rhs);
+    
+    mach_vm_size_t
+    GetVirtualSize ()
+    {
+        return m_virtual_size;
+    }
+    
+    mach_vm_size_t
+    GetResidentSize ()
+    {
+        return m_resident_size;
+    }
+    
+    mach_vm_size_t
+    GetMaxResidentSize ()
+    {
+        return m_max_resident_size;
+    }
+    
+    void
+    SetVirtualSize (mach_vm_size_t vs)
+    {
+        m_virtual_size = vs;
+    }
+    
+    void
+    SetResidentSize (mach_vm_size_t rs)
+    {
+        m_resident_size = rs;
+    }
+    
+    void
+    SetMaxResidentSize (mach_vm_size_t mrs)
+    {
+        m_max_resident_size = mrs;
+    }
+    
+private:
+    mach_vm_size_t m_virtual_size;
+    mach_vm_size_t m_resident_size;
+    mach_vm_size_t m_max_resident_size;
+};
+
+class MemoryGauge : public Gauge<MemoryStats>
 {
 private:
     enum class State