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root/i-scream/projects/libstatgrab/src/libstatgrab/page_stats.c
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Comparing projects/libstatgrab/src/libstatgrab/page_stats.c (file contents):
Revision 1.4 by pajs, Fri Mar 7 14:44:38 2003 UTC vs.
Revision 1.15 by tdb, Thu Feb 12 23:04:52 2004 UTC

# Line 1 | Line 1
1 < /*
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) 2000-2004 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
# Line 23 | Line 26
26   #endif
27  
28   #include "statgrab.h"
29 + #include "tools.h"
30   #include <time.h>
31   #ifdef SOLARIS
32   #include <kstat.h>
33   #include <sys/sysinfo.h>
34   #include <string.h>
35   #endif
36 < #ifdef LINUX
36 > #if defined(LINUX) || defined(CYGWIN)
37   #include <stdio.h>
38 < #include "tools.h"
38 > #include <string.h>
39   #endif
40 + #ifdef FREEBSD
41 + #include <sys/types.h>
42 + #include <sys/sysctl.h>
43 + #endif
44 + #ifdef OPENBSD
45 + #include <stdlib.h>
46 + #include <sys/param.h>
47 + #include <sys/sysctl.h>
48 + #include <uvm/uvm.h>
49 + #endif
50  
37
51   static page_stat_t page_stats;
52   static int page_stats_uninit=1;
53  
# Line 44 | Line 57 | page_stat_t *get_page_stats(){
57          kstat_t *ksp;
58          cpu_stat_t cs;
59   #endif
60 < #ifdef LINUX
60 > #if defined(LINUX) || defined(CYGWIN)
61          FILE *f;
62          char *line_ptr;
63   #endif
64 + #ifdef FREEBSD
65 +        size_t size;
66 + #endif
67 + #if defined(NETBSD) || defined(OPENBSD)
68 +        struct uvmexp *uvm;
69 + #endif
70 + #ifdef OPENBSD
71 +        int mib[2];
72 +        size_t size;
73 + #endif
74  
75 +        page_stats.systime = time(NULL);
76          page_stats.pages_pagein=0;
77          page_stats.pages_pageout=0;
78  
# Line 66 | Line 90 | page_stat_t *get_page_stats(){
90                  page_stats.pages_pageout+=(long long)cs.cpu_vminfo.pgpgout;
91          }
92  
69        page_stats.systime=time(NULL);
70
93          kstat_close(kc);
94   #endif
95 < #ifdef LINUX
96 <        if((f=fopen("/proc/stat", "r"))==NULL){
95 > #if defined(LINUX) || defined(CYGWIN)
96 >        if ((f = fopen("/proc/vmstat", "r")) != NULL) {
97 >                while ((line_ptr = f_read_line(f, "")) != NULL) {
98 >                        long long value;
99 >
100 >                        if (sscanf(line_ptr, "%*s %lld", &value) != 1) {
101 >                                continue;
102 >                        }
103 >
104 >                        if (strncmp(line_ptr, "pgpgin ", 7) == 0) {
105 >                                page_stats.pages_pagein = value;
106 >                        } else if (strncmp(line_ptr, "pgpgout ", 8) == 0) {
107 >                                page_stats.pages_pageout = value;
108 >                        }
109 >                }
110 >
111 >                fclose(f);
112 >        } else if ((f = fopen("/proc/stat", "r")) != NULL) {
113 >                if ((line_ptr = f_read_line(f, "page")) == NULL) {
114 >                        fclose(f);
115 >                        return NULL;
116 >                }
117 >
118 >                if (sscanf(line_ptr, "page %lld %lld", &page_stats.pages_pagein, &page_stats.pages_pageout) != 2) {
119 >                        fclose(f);
120 >                        return NULL;
121 >                }
122 >
123 >                fclose(f);
124 >        } else {
125                  return NULL;
126          }
127 <        if((line_ptr=f_read_line(f, "page"))==NULL){
128 <                fclose(f);
127 > #endif
128 > #ifdef FREEBSD
129 >        size = sizeof page_stats.pages_pagein;
130 >        if (sysctlbyname("vm.stats.vm.v_swappgsin", &page_stats.pages_pagein, &size, NULL, 0) < 0){
131 >                return NULL;
132 >        }
133 >        size = sizeof page_stats.pages_pageout;
134 >        if (sysctlbyname("vm.stats.vm.v_swappgsout", &page_stats.pages_pageout, &size, NULL, 0) < 0){
135 >                return NULL;
136 >        }
137 > #endif
138 > #ifdef NETBSD
139 >        if ((uvm = get_uvmexp()) == NULL) {
140                  return NULL;
141          }
142 <        if((sscanf(line_ptr, "page %lld %lld", &page_stats.pages_pagein, &page_stats.pages_pageout))!=2){
142 > #endif
143 > #ifdef OPENBSD
144 >        mib[0] = CTL_VM;
145 >        mib[1] = VM_UVMEXP;
146 >
147 >        if (sysctl(mib, 2, NULL, &size, NULL, 0) < 0) {
148                  return NULL;
149          }
150 <        page_stats.systime=time(NULL);
151 <        fclose(f);
150 >        
151 >        uvm = malloc(size);
152 >        if (uvm == NULL) {
153 >                return NULL;
154 >        }
155 >        
156 >        if (sysctl(mib, 2, uvm, &size, NULL, 0) < 0) {
157 >                return NULL;
158 >        }
159 > #endif
160 > #if defined(NETBSD) || defined(OPENBSD)
161 >        page_stats.pages_pagein = uvm->pgswapin;
162 >        page_stats.pages_pageout = uvm->pgswapout;
163 > #endif
164  
165 + #ifdef OPENBSD
166 +        free(uvm);
167   #endif
168  
169          return &page_stats;

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