1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
/*
* Unix SMB/CIFS implementation.
* Performance Counter Daemon
*
* Copyright (C) Marcin Krzysztof Porwit 2005
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "perf.h"
sig_atomic_t keep_running = TRUE;
/* allocates memory and gets numCPUs, total memory, and PerfFreq, number of disks... */
void get_constants(PERF_DATA_BLOCK *data)
{
data->cpuInfo.numCPUs = sysconf(_SC_NPROCESSORS_ONLN) > 0 ? sysconf(_SC_NPROCESSORS_ONLN) : 1;
data->PerfFreq = sysconf(_SC_CLK_TCK);
init_mem_data(data);
init_cpu_data(data);
init_process_data(data);
init_disk_data(data);
return;
}
void output_num_instances(PerfCounter obj, int numInst, RuntimeSettings rt)
{
char key[NAME_LEN];
char sdata[NAME_LEN];
make_key(key, NAME_LEN, obj.index, "inst");
memset(sdata, 0, NAME_LEN);
sprintf(sdata, "%d", numInst);
add_key(rt.cnames, key, sdata, TDB_INSERT);
return;
}
void output_perf_desc(PerfCounter counter, RuntimeSettings rt)
{
char key[NAME_LEN];
char sdata[NAME_LEN];
/* First insert the counter name */
make_key(key, NAME_LEN, counter.index, NULL);
add_key(rt.cnames, key, counter.name, TDB_INSERT);
/* Add the help string */
make_key(key, NAME_LEN, counter.index + 1, NULL);
add_key(rt.cnames, key, counter.help, TDB_INSERT);
/* Add the relationships */
make_key(key, NAME_LEN, counter.index, "rel");
add_key(rt.cnames, key, counter.relationships, TDB_INSERT);
/* Add type data if not PERF_OBJECT or PERF_INSTANCE */
if(counter.record_type == PERF_COUNTER)
{
make_key(key, NAME_LEN, counter.index, "type");
memset(sdata, 0, NAME_LEN);
sprintf(sdata, "%d", counter.counter_type);
add_key(rt.cnames, key, sdata, TDB_INSERT);
}
return;
}
void initialize(PERF_DATA_BLOCK *data, RuntimeSettings *rt, int argc, char **argv)
{
memset(data, 0, sizeof(*data));
memset(rt, 0, sizeof(*data));
parse_flags(rt, argc, argv);
setup_file_paths(rt);
get_constants(data);
if(rt->dflag == TRUE)
daemonize(rt);
output_mem_desc(data, *rt);
output_cpu_desc(data, *rt);
output_process_desc(data, *rt);
output_disk_desc(data, *rt);
return;
}
void refresh_perf_data_block(PERF_DATA_BLOCK *data, RuntimeSettings rt)
{
data->PerfTime100nSec = 0;
get_meminfo(data);
get_cpuinfo(data);
get_processinfo(data);
get_diskinfo(data);
return;
}
void output_perf_counter(PerfCounter counter, unsigned long long data,
RuntimeSettings rt, int tdb_flags)
{
char key[NAME_LEN];
char sdata[NAME_LEN];
unsigned int size_mask;
make_key(key, NAME_LEN, counter.index, NULL);
memset(sdata, 0, NAME_LEN);
size_mask = counter.counter_type & PERF_SIZE_VARIABLE_LEN;
if(size_mask == PERF_SIZE_DWORD)
sprintf(sdata, "%d", (unsigned int)data);
else if(size_mask == PERF_SIZE_LARGE)
sprintf(sdata, "%Lu", data);
add_key(rt.cdata, key, sdata, tdb_flags);
return;
}
void output_perf_instance(int parentObjInd,
int instanceInd,
void *instData,
size_t dsize,
char *name,
RuntimeSettings rt,
int tdb_flags)
{
char key[NAME_LEN];
char sdata[NAME_LEN];
memset(key, 0, NAME_LEN);
sprintf(key, "%di%d", parentObjInd, instanceInd);
add_key_raw(rt.cdata, key, instData, dsize, tdb_flags);
/* encode name */
memset(key, 0, NAME_LEN);
sprintf(key, "%di%dname", parentObjInd, instanceInd);
add_key(rt.cnames, key, name, tdb_flags);
return;
}
void output_global_data(PERF_DATA_BLOCK *data, RuntimeSettings rt, int tdb_flags)
{
int i;
char key[NAME_LEN];
char sdata[NAME_LEN];
/* Initialize BaseIndex */
make_key(key, NAME_LEN, 1, NULL);
memset(sdata, 0, NAME_LEN);
sprintf(sdata, "%d", data->num_counters);
add_key(rt.cnames, key, sdata, tdb_flags);
/* Initialize PerfTime, PerfFreq and PerfTime100nSec */
memset(sdata, 0, NAME_LEN);
make_key(key, NAME_LEN, 0, "PerfTime");
sprintf(sdata, "%Lu", data->PerfTime);
add_key(rt.cdata, key, sdata, tdb_flags);
make_key(key, NAME_LEN, 0, "PerfTime100nSec");
memset(sdata, 0, NAME_LEN);
sprintf(sdata, "%Lu", data->PerfTime100nSec);
add_key(rt.cdata, key, sdata, tdb_flags);
memset(sdata, 0, NAME_LEN);
make_key(key, NAME_LEN, 0, "PerfFreq");
sprintf(sdata, "%Lu", data->PerfFreq);
add_key(rt.cnames, key, sdata, tdb_flags);
return;
}
void output_perf_data_block(PERF_DATA_BLOCK *data, RuntimeSettings rt, int tdb_flags)
{
output_global_data(data, rt, tdb_flags);
output_meminfo(data, rt, tdb_flags);
output_cpuinfo(data, rt, tdb_flags);
output_processinfo(data, rt, tdb_flags);
output_diskinfo(data, rt, tdb_flags);
return;
}
void update_counters(PERF_DATA_BLOCK *data, RuntimeSettings rt)
{
refresh_perf_data_block(data, rt);
output_perf_data_block(data, rt, TDB_REPLACE);
return;
}
int main(int argc, char **argv)
{
PERF_DATA_BLOCK data;
RuntimeSettings rt;
initialize(&data, &rt, argc, argv);
while(keep_running)
{
update_counters(&data, rt);
sleep(1);
}
return 0;
}
|
