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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | /* | |
4 | * Ceph - scalable distributed file system | |
5 | * | |
6 | * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net> | |
7 | * | |
8 | * This is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License version 2.1, as published by the Free Software | |
11 | * Foundation. See file COPYING. | |
12 | * | |
13 | */ | |
14 | ||
15 | #ifndef CEPH_MEMORYMODEL_H | |
16 | #define CEPH_MEMORYMODEL_H | |
17 | ||
9f95a23c | 18 | #include "include/common_fwd.h" |
7c673cae FG |
19 | |
20 | class MemoryModel { | |
21 | public: | |
22 | struct snap { | |
23 | long peak; | |
24 | long size; | |
25 | long hwm; | |
26 | long rss; | |
27 | long data; | |
28 | long lib; | |
29 | ||
30 | long heap; | |
31 | ||
32 | snap() : peak(0), size(0), hwm(0), rss(0), data(0), lib(0), | |
33 | heap(0) | |
34 | {} | |
35 | ||
36 | long get_total() { return size; } | |
37 | long get_rss() { return rss; } | |
38 | long get_heap() { return heap; } | |
39 | } last; | |
40 | ||
41 | private: | |
42 | CephContext *cct; | |
43 | void _sample(snap *p); | |
44 | ||
45 | public: | |
46 | explicit MemoryModel(CephContext *cct); | |
47 | void sample(snap *p = 0) { | |
48 | _sample(&last); | |
49 | if (p) | |
50 | *p = last; | |
51 | } | |
52 | }; | |
53 | ||
54 | #endif |