source: branches/samba-3.0/examples/perfcounter/perf_writer_mem.c

Last change on this file was 1, checked in by Paul Smedley, 18 years ago

Initial code import
File size: 4.3 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 2 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, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22#include "perf.h"
23
24void get_meminfo(PERF_DATA_BLOCK *data)
25{
26 int status;
27 struct sysinfo info;
28 status = sysinfo(&info);
29
30 data->memInfo.data->availPhysKb = (info.freeram * info.mem_unit)/1024;
31 data->memInfo.data->availSwapKb = (info.freeswap * info.mem_unit)/1024;
32 data->memInfo.data->totalPhysKb = (info.totalram * info.mem_unit)/1024;
33 data->memInfo.data->totalSwapKb = (info.totalswap * info.mem_unit)/1024;
34
35 /* Also get uptime since we have the structure */
36 data->PerfTime = (unsigned long)info.uptime;
37
38 return;
39}
40
41void init_memdata_desc(PERF_DATA_BLOCK *data)
42{
43 init_perf_counter(&(data->memInfo.memObjDesc),
44 &(data->memInfo.memObjDesc),
45 get_counter_id(data),
46 "Memory",
47 "The Memory performance object consists of counters that describe the behavior of physical and virtual memory on the computer.",
48 0,
49 PERF_OBJECT);
50 init_perf_counter(&(data->memInfo.availPhysKb),
51 &(data->memInfo.memObjDesc),
52 get_counter_id(data),
53 "Available Physical Kilobytes",
54 "Available Physical Kilobytes is the number of free kilobytes in physical memory",
55 PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_DISPLAY_NO_SUFFIX,
56 PERF_COUNTER);
57 init_perf_counter(&(data->memInfo.availSwapKb),
58 &(data->memInfo.memObjDesc),
59 get_counter_id(data),
60 "Available Swap Kilobytes",
61 "Available Swap Kilobytes is the number of free kilobytes in swap space",
62 PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_DISPLAY_NO_SUFFIX,
63 PERF_COUNTER);
64 init_perf_counter(&(data->memInfo.totalPhysKb),
65 &(data->memInfo.memObjDesc),
66 get_counter_id(data),
67 "Total Physical Kilobytes",
68 "Total Physical Kilobytes is a base counter",
69 PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_COUNTER_BASE | PERF_DISPLAY_NOSHOW,
70 PERF_COUNTER);
71 init_perf_counter(&(data->memInfo.totalSwapKb),
72 &(data->memInfo.memObjDesc),
73 get_counter_id(data),
74 "Total Swap Kilobytes",
75 "Total Swap Kilobytes is a base counter",
76 PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_COUNTER_BASE | PERF_DISPLAY_NOSHOW,
77 PERF_COUNTER);
78
79 return;
80}
81
82void init_mem_data(PERF_DATA_BLOCK *data)
83{
84 data->memInfo.data = calloc(1, sizeof(*data->memInfo.data));
85 if(!data->memInfo.data)
86 {
87 perror("init_memdata: out of memory");
88 exit(1);
89 }
90
91 init_memdata_desc(data);
92
93 get_meminfo(data);
94
95 return;
96}
97
98void output_mem_desc(PERF_DATA_BLOCK *data, RuntimeSettings rt)
99{
100 output_perf_desc(data->memInfo.memObjDesc, rt);
101 output_perf_desc(data->memInfo.availPhysKb, rt);
102 output_perf_desc(data->memInfo.availSwapKb, rt);
103 output_perf_desc(data->memInfo.totalPhysKb, rt);
104 output_perf_desc(data->memInfo.totalSwapKb, rt);
105
106 return;
107}
108
109void output_meminfo(PERF_DATA_BLOCK *data, RuntimeSettings rt, int tdb_flags)
110{
111 output_perf_counter(data->memInfo.availPhysKb,
112 (unsigned long long)data->memInfo.data->availPhysKb,
113 rt, tdb_flags);
114 output_perf_counter(data->memInfo.availSwapKb,
115 (unsigned long long)data->memInfo.data->availSwapKb,
116 rt, tdb_flags);
117 output_perf_counter(data->memInfo.totalPhysKb,
118 (unsigned long long)data->memInfo.data->totalPhysKb,
119 rt, tdb_flags);
120 output_perf_counter(data->memInfo.totalSwapKb,
121 (unsigned long long)data->memInfo.data->totalSwapKb,
122 rt, tdb_flags);
123
124 return;
125}
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