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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation. See file COPYING.
+ *
+ */
+
+#ifndef CEPH_MEMORYMODEL_H
+#define CEPH_MEMORYMODEL_H
+
+#include "include/common_fwd.h"
+
+class MemoryModel {
+public:
+ struct snap {
+ long peak;
+ long size;
+ long hwm;
+ long rss;
+ long data;
+ long lib;
+
+ long heap;
+
+ snap() : peak(0), size(0), hwm(0), rss(0), data(0), lib(0),
+ heap(0)
+ {}
+
+ long get_total() { return size; }
+ long get_rss() { return rss; }
+ long get_heap() { return heap; }
+ } last;
+
+private:
+ CephContext *cct;
+ void _sample(snap *p);
+
+public:
+ explicit MemoryModel(CephContext *cct);
+ void sample(snap *p = 0) {
+ _sample(&last);
+ if (p)
+ *p = last;
+ }
+};
+
+#endif