1 |
|
/* |
2 |
|
* i-scream central monitoring system |
3 |
< |
* http://www.i-scream.org.uk |
4 |
< |
* Copyright (C) 2000-2002 i-scream |
3 |
> |
* http://www.i-scream.org |
4 |
> |
* Copyright (C) 2000-2003 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 |
22 |
|
#include "config.h" |
23 |
|
#endif |
24 |
|
|
25 |
– |
#include <stdio.h> |
25 |
|
#include "statgrab.h" |
27 |
– |
#ifdef LINUX |
28 |
– |
#include <string.h> |
29 |
– |
#endif |
26 |
|
#ifdef SOLARIS |
27 |
|
#include <unistd.h> |
28 |
|
#include <kstat.h> |
29 |
|
#endif |
30 |
+ |
#ifdef LINUX |
31 |
+ |
#include <stdio.h> |
32 |
+ |
#include <string.h> |
33 |
+ |
#include "tools.h" |
34 |
+ |
#endif |
35 |
|
#ifdef FREEBSD |
36 |
|
#include <sys/types.h> |
37 |
|
#include <sys/sysctl.h> |
38 |
|
#include <unistd.h> |
39 |
|
#endif |
39 |
– |
#include "ukcprog.h" |
40 |
|
|
41 |
|
mem_stat_t *get_memory_stats(){ |
42 |
|
|
49 |
|
long totalmem; |
50 |
|
int pagesize; |
51 |
|
#endif |
52 |
+ |
#ifdef LINUX |
53 |
+ |
char *line_ptr; |
54 |
+ |
FILE *f; |
55 |
+ |
#endif |
56 |
+ |
#ifdef FREEBSD |
57 |
+ |
u_int free_count; |
58 |
+ |
u_int cache_count; |
59 |
+ |
u_int inactive_count; |
60 |
+ |
u_long physmem; |
61 |
+ |
size_t size; |
62 |
+ |
int pagesize; |
63 |
+ |
#endif |
64 |
|
|
65 |
|
#ifdef SOLARIS |
66 |
|
if((pagesize=sysconf(_SC_PAGESIZE)) == -1){ |
83 |
|
if((kn=kstat_data_lookup(ksp, "freemem")) == NULL){ |
84 |
|
return NULL; |
85 |
|
} |
86 |
< |
if((kstat_close(kc)) != 0){ |
87 |
< |
return NULL; |
76 |
< |
} |
86 |
> |
kstat_close(kc); |
87 |
> |
|
88 |
|
mem_stat.total = (long long)totalmem * (long long)pagesize; |
89 |
|
mem_stat.free = ((long long)kn->value.ul) * (long long)pagesize; |
90 |
|
mem_stat.used = mem_stat.total - mem_stat.free; |
91 |
+ |
#endif |
92 |
+ |
|
93 |
+ |
#ifdef LINUX |
94 |
+ |
f=fopen("/proc/meminfo", "r"); |
95 |
+ |
if(f==NULL){ |
96 |
+ |
return NULL; |
97 |
+ |
} |
98 |
+ |
|
99 |
+ |
if((line_ptr=f_read_line(f, "Mem:"))==NULL){ |
100 |
+ |
fclose(f); |
101 |
+ |
return NULL; |
102 |
+ |
} |
103 |
+ |
|
104 |
+ |
fclose(f); |
105 |
+ |
|
106 |
+ |
/* Linux actually stores this as a unsigned long long, but |
107 |
+ |
* our structures are just long longs. This shouldn't be a |
108 |
+ |
* problem for sometime yet :) |
109 |
+ |
*/ |
110 |
+ |
if((sscanf(line_ptr,"Mem: %lld %lld %lld %*d %*d %lld", \ |
111 |
+ |
&mem_stat.total, \ |
112 |
+ |
&mem_stat.used, \ |
113 |
+ |
&mem_stat.free, \ |
114 |
+ |
&mem_stat.cache))!=4){ |
115 |
+ |
return NULL; |
116 |
+ |
} |
117 |
+ |
|
118 |
+ |
#endif |
119 |
+ |
|
120 |
+ |
#ifdef FREEBSD |
121 |
+ |
/* Returns bytes */ |
122 |
+ |
if (sysctlbyname("hw.physmem", NULL, &size, NULL, NULL) < 0){ |
123 |
+ |
return NULL; |
124 |
+ |
} |
125 |
+ |
if (sysctlbyname("hw.physmem", &physmem, &size, NULL, NULL) < 0){ |
126 |
+ |
return NULL; |
127 |
+ |
} |
128 |
+ |
|
129 |
+ |
/*returns pages*/ |
130 |
+ |
if (sysctlbyname("vm.stats.vm.v_free_count", NULL, &size, NULL, NULL) < 0){ |
131 |
+ |
return NULL; |
132 |
+ |
} |
133 |
+ |
if (sysctlbyname("vm.stats.vm.v_free_count", &free_count, &size, NULL, NULL) < 0){ |
134 |
+ |
return NULL; |
135 |
+ |
} |
136 |
+ |
|
137 |
+ |
if (sysctlbyname("vm.stats.vm.v_inactive_count", NULL, &size, NULL, NULL) < 0){ |
138 |
+ |
return NULL; |
139 |
+ |
} |
140 |
+ |
if (sysctlbyname("vm.stats.vm.v_inactive_count", &inactive_count , &size, NULL, NULL) < 0){ |
141 |
+ |
return NULL; |
142 |
+ |
} |
143 |
+ |
|
144 |
+ |
if (sysctlbyname("vm.stats.vm.v_cache_count", NULL, &size, NULL, NULL) < 0){ |
145 |
+ |
return NULL; |
146 |
+ |
} |
147 |
+ |
if (sysctlbyname("vm.stats.vm.v_cache_count", &cache_count, &size, NULL, NULL) < 0){ |
148 |
+ |
return NULL; |
149 |
+ |
} |
150 |
+ |
|
151 |
+ |
/* Because all the vm.stats returns pages, I need to get the page size. |
152 |
+ |
* After that I then need to multiple the anything that used vm.stats to |
153 |
+ |
* get the system statistics by pagesize |
154 |
+ |
*/ |
155 |
+ |
if ((pagesize=getpagesize()) == -1){ |
156 |
+ |
return NULL; |
157 |
+ |
} |
158 |
+ |
|
159 |
+ |
mem_stat.total=physmem; |
160 |
+ |
mem_stat.cache=cache_count*pagesize; |
161 |
+ |
|
162 |
+ |
/* Of couse nothing is ever that simple :) And I have inactive pages to |
163 |
+ |
* deal with too. So I'm going to add them to free memory :) |
164 |
+ |
*/ |
165 |
+ |
mem_stat.free=(free_count*pagesize)+(inactive_count*pagesize); |
166 |
+ |
mem_stat.used=physmem-mem_stat.free; |
167 |
|
#endif |
168 |
|
|
169 |
|
return &mem_stat; |