source: branches/samba-3.3.x/examples/perfcounter/perf_writer_mem.c

Last change on this file was 206, checked in by Herwig Bauernfeind, 16 years ago

Import Samba 3.3 branch at 3.0.0 level (psmedley's port)
File size: 4.2 KB
Line 
1/*
2 * Unix SMB/CIFS implementation.
3 * Performance Counter Daemon
4 *
5 * Copyright (C) Marcin Krzysztof Porwit 2005
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
19 */
20
21#include "perf.h"
22
23void get_meminfo(PERF_DATA_BLOCK *data)
24{
25 int status;
26 struct sysinfo info;
27 status = sysinfo(&info);
28
29 data->memInfo.data->availPhysKb = (info.freeram * info.mem_unit)/1024;
30 data->memInfo.data->availSwapKb = (info.freeswap * info.mem_unit)/1024;
31 data->memInfo.data->totalPhysKb = (info.totalram * info.mem_unit)/1024;
32 data->memInfo.data->totalSwapKb = (info.totalswap * info.mem_unit)/1024;
33
34 /* Also get uptime since we have the structure */
35 data->PerfTime = (unsigned long)info.uptime;
36
37 return;
38}
39
40void init_memdata_desc(PERF_DATA_BLOCK *data)
41{
42 init_perf_counter(&(data->memInfo.memObjDesc),
43 &(data->memInfo.memObjDesc),
44 get_counter_id(data),
45 "Memory",
46 "The Memory performance object consists of counters that describe the behavior of physical and virtual memory on the computer.",
47 0,
48 PERF_OBJECT);
49 init_perf_counter(&(data->memInfo.availPhysKb),
50 &(data->memInfo.memObjDesc),
51 get_counter_id(data),
52 "Available Physical Kilobytes",
53 "Available Physical Kilobytes is the number of free kilobytes in physical memory",
54 PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_DISPLAY_NO_SUFFIX,
55 PERF_COUNTER);
56 init_perf_counter(&(data->memInfo.availSwapKb),
57 &(data->memInfo.memObjDesc),
58 get_counter_id(data),
59 "Available Swap Kilobytes",
60 "Available Swap Kilobytes is the number of free kilobytes in swap space",
61 PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_DISPLAY_NO_SUFFIX,
62 PERF_COUNTER);
63 init_perf_counter(&(data->memInfo.totalPhysKb),
64 &(data->memInfo.memObjDesc),
65 get_counter_id(data),
66 "Total Physical Kilobytes",
67 "Total Physical Kilobytes is a base counter",
68 PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_COUNTER_BASE | PERF_DISPLAY_NOSHOW,
69 PERF_COUNTER);
70 init_perf_counter(&(data->memInfo.totalSwapKb),
71 &(data->memInfo.memObjDesc),
72 get_counter_id(data),
73 "Total Swap Kilobytes",
74 "Total Swap Kilobytes is a base counter",
75 PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_COUNTER_BASE | PERF_DISPLAY_NOSHOW,
76 PERF_COUNTER);
77
78 return;
79}
80
81void init_mem_data(PERF_DATA_BLOCK *data)
82{
83 data->memInfo.data = calloc(1, sizeof(*data->memInfo.data));
84 if(!data->memInfo.data)
85 {
86 perror("init_memdata: out of memory");
87 exit(1);
88 }
89
90 init_memdata_desc(data);
91
92 get_meminfo(data);
93
94 return;
95}
96
97void output_mem_desc(PERF_DATA_BLOCK *data, RuntimeSettings rt)
98{
99 output_perf_desc(data->memInfo.memObjDesc, rt);
100 output_perf_desc(data->memInfo.availPhysKb, rt);
101 output_perf_desc(data->memInfo.availSwapKb, rt);
102 output_perf_desc(data->memInfo.totalPhysKb, rt);
103 output_perf_desc(data->memInfo.totalSwapKb, rt);
104
105 return;
106}
107
108void output_meminfo(PERF_DATA_BLOCK *data, RuntimeSettings rt, int tdb_flags)
109{
110 output_perf_counter(data->memInfo.availPhysKb,
111 (unsigned long long)data->memInfo.data->availPhysKb,
112 rt, tdb_flags);
113 output_perf_counter(data->memInfo.availSwapKb,
114 (unsigned long long)data->memInfo.data->availSwapKb,
115 rt, tdb_flags);
116 output_perf_counter(data->memInfo.totalPhysKb,
117 (unsigned long long)data->memInfo.data->totalPhysKb,
118 rt, tdb_flags);
119 output_perf_counter(data->memInfo.totalSwapKb,
120 (unsigned long long)data->memInfo.data->totalSwapKb,
121 rt, tdb_flags);
122
123 return;
124}
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