1 |
< |
/* |
2 |
< |
* i-scream central monitoring system |
1 |
> |
/* |
2 |
> |
* i-scream libstatgrab |
3 |
|
* http://www.i-scream.org |
4 |
< |
* Copyright (C) 2000-2003 i-scream |
4 |
> |
* Copyright (C) 2000-2004 i-scream |
5 |
|
* |
6 |
< |
* This program is free software; you can redistribute it and/or |
7 |
< |
* modify it under the terms of the GNU General Public License |
8 |
< |
* as published by the Free Software Foundation; either version 2 |
9 |
< |
* of the License, or (at your option) any later version. |
6 |
> |
* This library is free software; you can redistribute it and/or |
7 |
> |
* modify it under the terms of the GNU Lesser General Public |
8 |
> |
* License as published by the Free Software Foundation; either |
9 |
> |
* version 2.1 of the License, or (at your option) any later version. |
10 |
|
* |
11 |
< |
* This program is distributed in the hope that it will be useful, |
11 |
> |
* This library is distributed in the hope that it will be useful, |
12 |
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
< |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 |
< |
* GNU General Public License for more details. |
13 |
> |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 |
> |
* Lesser General Public License for more details. |
15 |
|
* |
16 |
< |
* You should have received a copy of the GNU General Public License |
17 |
< |
* along with this program; if not, write to the Free Software |
18 |
< |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
16 |
> |
* You should have received a copy of the GNU Lesser General Public |
17 |
> |
* License along with this library; if not, write to the Free Software |
18 |
> |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
19 |
> |
* 02111-1307 USA |
20 |
> |
* |
21 |
> |
* $Id$ |
22 |
|
*/ |
23 |
|
|
24 |
|
#ifdef HAVE_CONFIG_H |
26 |
|
#endif |
27 |
|
|
28 |
|
#include "statgrab.h" |
29 |
+ |
#include "tools.h" |
30 |
|
#ifdef SOLARIS |
31 |
|
#include <unistd.h> |
32 |
|
#include <kstat.h> |
33 |
|
#endif |
34 |
< |
#ifdef LINUX |
34 |
> |
#if defined(LINUX) || defined(CYGWIN) |
35 |
|
#include <stdio.h> |
36 |
|
#include <string.h> |
33 |
– |
#include "tools.h" |
37 |
|
#endif |
38 |
< |
#ifdef FREEBSD |
38 |
> |
#if defined(FREEBSD) || defined(DFBSD) |
39 |
|
#include <sys/types.h> |
40 |
|
#include <sys/sysctl.h> |
41 |
|
#include <unistd.h> |
42 |
|
#endif |
43 |
+ |
#if defined(NETBSD) || defined(OPENBSD) |
44 |
+ |
#include <sys/param.h> |
45 |
+ |
#include <sys/time.h> |
46 |
+ |
#include <uvm/uvm.h> |
47 |
+ |
#endif |
48 |
+ |
#ifdef HPUX |
49 |
+ |
#include <sys/param.h> |
50 |
+ |
#include <sys/pstat.h> |
51 |
+ |
#include <unistd.h> |
52 |
+ |
#endif |
53 |
|
|
54 |
< |
mem_stat_t *get_memory_stats(){ |
54 |
> |
sg_mem_stats *sg_get_mem_stats(){ |
55 |
|
|
56 |
< |
static mem_stat_t mem_stat; |
56 |
> |
static sg_mem_stats mem_stat; |
57 |
|
|
58 |
+ |
#ifdef HPUX |
59 |
+ |
struct pst_static pstat_static; |
60 |
+ |
struct pst_dynamic pstat_dynamic; |
61 |
+ |
long long pagesize; |
62 |
+ |
#endif |
63 |
|
#ifdef SOLARIS |
64 |
|
kstat_ctl_t *kc; |
65 |
|
kstat_t *ksp; |
67 |
|
long totalmem; |
68 |
|
int pagesize; |
69 |
|
#endif |
70 |
< |
#ifdef LINUX |
70 |
> |
#if defined(LINUX) || defined(CYGWIN) |
71 |
|
char *line_ptr; |
72 |
+ |
unsigned long long value; |
73 |
|
FILE *f; |
74 |
|
#endif |
75 |
< |
#ifdef FREEBSD |
76 |
< |
long inactive; |
75 |
> |
#if defined(FREEBSD) || defined(DFBSD) |
76 |
> |
int mib[2]; |
77 |
> |
u_long physmem; |
78 |
|
size_t size; |
79 |
+ |
u_int free_count; |
80 |
+ |
u_int cache_count; |
81 |
+ |
u_int inactive_count; |
82 |
|
int pagesize; |
83 |
|
#endif |
84 |
+ |
#if defined(NETBSD) || defined(OPENBSD) |
85 |
+ |
struct uvmexp *uvm; |
86 |
+ |
#endif |
87 |
|
|
88 |
+ |
#ifdef HPUX |
89 |
+ |
if((pagesize=sysconf(_SC_PAGESIZE)) == -1){ |
90 |
+ |
sg_set_error_with_errno(SG_ERROR_SYSCONF, "_SC_PAGESIZE"); |
91 |
+ |
return NULL; |
92 |
+ |
} |
93 |
+ |
|
94 |
+ |
if (pstat_getdynamic(&pstat_dynamic, sizeof(pstat_dynamic), 1, 0) == -1) { |
95 |
+ |
sg_set_error_with_errno(SG_ERROR_PSTAT, "pstat_dynamic"); |
96 |
+ |
return NULL; |
97 |
+ |
} |
98 |
+ |
if (pstat_getstatic(&pstat_static, sizeof(pstat_static), 1, 0) == -1) { |
99 |
+ |
sg_set_error_with_errno(SG_ERROR_PSTAT, "pstat_static"); |
100 |
+ |
return NULL; |
101 |
+ |
} |
102 |
+ |
|
103 |
+ |
mem_stat.total = ((long long) pstat_static.physical_memory) * pagesize; |
104 |
+ |
mem_stat.free = ((long long) pstat_dynamic.psd_free) * pagesize; |
105 |
+ |
mem_stat.used = mem_stat.total - mem_stat.free; |
106 |
+ |
#endif |
107 |
|
#ifdef SOLARIS |
108 |
|
if((pagesize=sysconf(_SC_PAGESIZE)) == -1){ |
109 |
+ |
sg_set_error_with_errno(SG_ERROR_SYSCONF, "_SC_PAGESIZE"); |
110 |
|
return NULL; |
111 |
|
} |
112 |
|
|
113 |
|
if((totalmem=sysconf(_SC_PHYS_PAGES)) == -1){ |
114 |
+ |
sg_set_error_with_errno(SG_ERROR_SYSCONF, "_SC_PHYS_PAGES"); |
115 |
|
return NULL; |
116 |
|
} |
117 |
|
|
118 |
|
if ((kc = kstat_open()) == NULL) { |
119 |
+ |
sg_set_error(SG_ERROR_KSTAT_OPEN, NULL); |
120 |
|
return NULL; |
121 |
|
} |
122 |
|
if((ksp=kstat_lookup(kc, "unix", 0, "system_pages")) == NULL){ |
123 |
+ |
sg_set_error(SG_ERROR_KSTAT_LOOKUP, "unix,0,system_pages"); |
124 |
|
return NULL; |
125 |
|
} |
126 |
|
if (kstat_read(kc, ksp, 0) == -1) { |
127 |
+ |
sg_set_error(SG_ERROR_KSTAT_READ, NULL); |
128 |
|
return NULL; |
129 |
|
} |
130 |
|
if((kn=kstat_data_lookup(ksp, "freemem")) == NULL){ |
131 |
+ |
sg_set_error(SG_ERROR_KSTAT_DATA_LOOKUP, "freemem"); |
132 |
|
return NULL; |
133 |
|
} |
134 |
< |
kstat_close(kc); |
134 |
> |
kstat_close(kc); |
135 |
|
|
136 |
|
mem_stat.total = (long long)totalmem * (long long)pagesize; |
137 |
|
mem_stat.free = ((long long)kn->value.ul) * (long long)pagesize; |
138 |
|
mem_stat.used = mem_stat.total - mem_stat.free; |
139 |
|
#endif |
140 |
|
|
141 |
< |
#ifdef LINUX |
142 |
< |
f=fopen("/proc/meminfo", "r"); |
143 |
< |
if(f==NULL){ |
141 |
> |
#if defined(LINUX) || defined(CYGWIN) |
142 |
> |
if ((f = fopen("/proc/meminfo", "r")) == NULL) { |
143 |
> |
sg_set_error_with_errno(SG_ERROR_OPEN, "/proc/meminfo"); |
144 |
|
return NULL; |
145 |
|
} |
146 |
|
|
147 |
< |
if((line_ptr=f_read_line(f, "Mem:"))==NULL){ |
148 |
< |
fclose(f); |
149 |
< |
return NULL; |
150 |
< |
} |
147 |
> |
while ((line_ptr = sg_f_read_line(f, "")) != NULL) { |
148 |
> |
if (sscanf(line_ptr, "%*s %llu kB", &value) != 1) { |
149 |
> |
continue; |
150 |
> |
} |
151 |
> |
value *= 1024; |
152 |
|
|
153 |
< |
fclose(f); |
154 |
< |
|
155 |
< |
/* Linux actually stores this as a unsigned long long, but |
156 |
< |
* our structures are just long longs. This shouldn't be a |
157 |
< |
* problem for sometime yet :) |
158 |
< |
*/ |
159 |
< |
if((sscanf(line_ptr,"Mem: %lld %lld %lld %*d %*d %lld", \ |
108 |
< |
&mem_stat.total, \ |
109 |
< |
&mem_stat.used, \ |
110 |
< |
&mem_stat.free, \ |
111 |
< |
&mem_stat.cache))!=4){ |
112 |
< |
return NULL; |
153 |
> |
if (strncmp(line_ptr, "MemTotal:", 9) == 0) { |
154 |
> |
mem_stat.total = value; |
155 |
> |
} else if (strncmp(line_ptr, "MemFree:", 8) == 0) { |
156 |
> |
mem_stat.free = value; |
157 |
> |
} else if (strncmp(line_ptr, "Cached:", 7) == 0) { |
158 |
> |
mem_stat.cache = value; |
159 |
> |
} |
160 |
|
} |
161 |
|
|
162 |
+ |
fclose(f); |
163 |
+ |
mem_stat.used = mem_stat.total - mem_stat.free; |
164 |
|
#endif |
165 |
|
|
166 |
< |
#ifdef FREEBSD |
167 |
< |
/* Returns byes */ |
168 |
< |
if (sysctlbyname("hw.physmem", NULL, &size, NULL, NULL) < 0){ |
166 |
> |
#if defined(FREEBSD) || defined(DFBSD) |
167 |
> |
/* Returns bytes */ |
168 |
> |
mib[0] = CTL_HW; |
169 |
> |
mib[1] = HW_PHYSMEM; |
170 |
> |
size = sizeof physmem; |
171 |
> |
if (sysctl(mib, 2, &physmem, &size, NULL, 0) < 0) { |
172 |
> |
sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_HW.HW_PHYSMEM"); |
173 |
|
return NULL; |
174 |
< |
} |
175 |
< |
if (sysctlbyname("hw.physmem", &mem_stat.total, &size, NULL, NULL) < 0){ |
123 |
< |
return NULL; |
124 |
< |
} |
174 |
> |
} |
175 |
> |
mem_stat.total = physmem; |
176 |
|
|
177 |
|
/*returns pages*/ |
178 |
< |
if (sysctlbyname("vm.stats.vm.v_free_count", NULL, &size, NULL, NULL) < 0){ |
178 |
> |
size = sizeof free_count; |
179 |
> |
if (sysctlbyname("vm.stats.vm.v_free_count", &free_count, &size, NULL, 0) < 0){ |
180 |
> |
sg_set_error_with_errno(SG_ERROR_SYSCTLBYNAME, |
181 |
> |
"vm.stats.vm.v_free_count"); |
182 |
|
return NULL; |
183 |
< |
} |
130 |
< |
if (sysctlbyname("vm.stats.vm.v_free_count", &mem_stat.free, &size, NULL, NULL) < 0){ |
131 |
< |
return NULL; |
132 |
< |
} |
183 |
> |
} |
184 |
|
|
185 |
< |
if (sysctlbyname("vm.stats.vm.v_inactive_count", NULL, &size, NULL, NULL) < 0){ |
185 |
> |
size = sizeof inactive_count; |
186 |
> |
if (sysctlbyname("vm.stats.vm.v_inactive_count", &inactive_count , &size, NULL, 0) < 0){ |
187 |
> |
sg_set_error_with_errno(SG_ERROR_SYSCTLBYNAME, |
188 |
> |
"vm.stats.vm.v_inactive_count"); |
189 |
|
return NULL; |
190 |
< |
} |
137 |
< |
if (sysctlbyname("vm.stats.vm.v_inactive_count", &inactive , &size, NULL, NULL) < 0){ |
138 |
< |
return NULL; |
139 |
< |
} |
190 |
> |
} |
191 |
|
|
192 |
< |
if (sysctlbyname("vm.stats.vm.v_cache_count", NULL, &size, NULL, NULL) < 0){ |
192 |
> |
size = sizeof cache_count; |
193 |
> |
if (sysctlbyname("vm.stats.vm.v_cache_count", &cache_count, &size, NULL, 0) < 0){ |
194 |
> |
sg_set_error_with_errno(SG_ERROR_SYSCTLBYNAME, |
195 |
> |
"vm.stats.vm.v_cache_count"); |
196 |
|
return NULL; |
197 |
< |
} |
144 |
< |
if (sysctlbyname("vm.stats.vm.v_cache_count", &mem_stat.cache, &size, NULL, NULL) < 0){ |
145 |
< |
return NULL; |
146 |
< |
} |
197 |
> |
} |
198 |
|
|
199 |
< |
/* Because all the vm.stats returns pages, i need to get the page size. |
200 |
< |
* After that i then need to multiple the anything that used vm.stats to get |
201 |
< |
* the system statistics by pagesize |
199 |
> |
/* Because all the vm.stats returns pages, I need to get the page size. |
200 |
> |
* After that I then need to multiple the anything that used vm.stats to |
201 |
> |
* get the system statistics by pagesize |
202 |
|
*/ |
203 |
< |
if ((pagesize=getpagesize()) == -1){ |
204 |
< |
return NULL; |
154 |
< |
} |
203 |
> |
pagesize = getpagesize(); |
204 |
> |
mem_stat.cache=cache_count*pagesize; |
205 |
|
|
206 |
< |
mem_stat.cache=mem_stat.cache*pagesize; |
207 |
< |
/* Of couse nothing is ever that simple :) And i have inactive pages to deal |
158 |
< |
* with too. So im goingto add them to free memory :) |
206 |
> |
/* Of couse nothing is ever that simple :) And I have inactive pages to |
207 |
> |
* deal with too. So I'm going to add them to free memory :) |
208 |
|
*/ |
209 |
< |
mem_stat.free=(mem_stat.free*pagesize)+(inactive*pagesize); |
210 |
< |
|
211 |
< |
mem_stat.used=mem_stat.total-mem_stat.free; |
209 |
> |
mem_stat.free=(free_count*pagesize)+(inactive_count*pagesize); |
210 |
> |
mem_stat.used=physmem-mem_stat.free; |
211 |
> |
#endif |
212 |
|
|
213 |
+ |
#if defined(NETBSD) || defined(OPENBSD) |
214 |
+ |
if ((uvm = sg_get_uvmexp()) == NULL) { |
215 |
+ |
return NULL; |
216 |
+ |
} |
217 |
+ |
|
218 |
+ |
mem_stat.total = uvm->pagesize * uvm->npages; |
219 |
+ |
#ifdef NETBSD |
220 |
+ |
mem_stat.cache = uvm->pagesize * (uvm->filepages + uvm->execpages); |
221 |
+ |
#else |
222 |
+ |
/* Can't find cache memory on OpenBSD */ |
223 |
+ |
mem_stat.cache = 0; |
224 |
|
#endif |
225 |
+ |
mem_stat.free = uvm->pagesize * (uvm->free + uvm->inactive); |
226 |
+ |
mem_stat.used = mem_stat.total - mem_stat.free; |
227 |
+ |
#endif |
228 |
|
|
229 |
|
return &mem_stat; |
167 |
– |
|
230 |
|
} |