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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 1.12 by pajs, Fri Jan 9 10:06:01 2004 UTC vs.
Revision 1.23 by tdb, Sat Sep 24 13:29:22 2005 UTC

# Line 1 | Line 1
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
# Line 34 | Line 37
37   #include <stdio.h>
38   #include <string.h>
39   #endif
40 < #ifdef FREEBSD
40 > #if defined(FREEBSD) || defined(DFBSD)
41   #include <sys/types.h>
42   #include <sys/sysctl.h>
43   #endif
44 + #if defined(NETBSD) || defined(OPENBSD)
45 + #include <sys/param.h>
46 + #include <uvm/uvm.h>
47 + #endif
48 + #ifdef WIN32
49 + #include "win32.h"
50 + #endif
51  
52 < static page_stat_t page_stats;
52 > static sg_page_stats page_stats;
53 > #ifndef WIN32
54   static int page_stats_uninit=1;
55 + #endif
56  
57 < page_stat_t *get_page_stats(){
57 > sg_page_stats *sg_get_page_stats(){
58   #ifdef SOLARIS
59 <        kstat_ctl_t *kc;
60 <        kstat_t *ksp;
61 <        cpu_stat_t cs;
59 >        kstat_ctl_t *kc;
60 >        kstat_t *ksp;
61 >        cpu_stat_t cs;
62   #endif
63   #if defined(LINUX) || defined(CYGWIN)
64          FILE *f;
65          char *line_ptr;
66   #endif
67 < #ifdef FREEBSD
67 > #if defined(FREEBSD) || defined(DFBSD)
68          size_t size;
69   #endif
70 < #ifdef NETBSD
70 > #if defined(NETBSD) || defined(OPENBSD)
71          struct uvmexp *uvm;
72   #endif
73  
74          page_stats.systime = time(NULL);
75 <        page_stats.pages_pagein=0;
76 <        page_stats.pages_pageout=0;
75 >        page_stats.pages_pagein=0;
76 >        page_stats.pages_pageout=0;
77  
78   #ifdef SOLARIS
79 <        if ((kc = kstat_open()) == NULL) {
80 <                return NULL;
81 <        }
82 <        for (ksp = kc->kc_chain; ksp!=NULL; ksp = ksp->ks_next) {
83 <                if ((strcmp(ksp->ks_module, "cpu_stat")) != 0) continue;
84 <                if (kstat_read(kc, ksp, &cs) == -1) {
85 <                        continue;
86 <                }
79 >        if ((kc = kstat_open()) == NULL) {
80 >                sg_set_error(SG_ERROR_KSTAT_OPEN, NULL);
81 >                return NULL;
82 >        }
83 >        for (ksp = kc->kc_chain; ksp!=NULL; ksp = ksp->ks_next) {
84 >                if ((strcmp(ksp->ks_module, "cpu_stat")) != 0) continue;
85 >                if (kstat_read(kc, ksp, &cs) == -1) {
86 >                        continue;
87 >                }
88  
89                  page_stats.pages_pagein+=(long long)cs.cpu_vminfo.pgpgin;
90                  page_stats.pages_pageout+=(long long)cs.cpu_vminfo.pgpgout;
# Line 81 | Line 94 | page_stat_t *get_page_stats(){
94   #endif
95   #if defined(LINUX) || defined(CYGWIN)
96          if ((f = fopen("/proc/vmstat", "r")) != NULL) {
97 <                while ((line_ptr = f_read_line(f, "")) != NULL) {
97 >                while ((line_ptr = sg_f_read_line(f, "")) != NULL) {
98                          long long value;
99  
100                          if (sscanf(line_ptr, "%*s %lld", &value) != 1) {
# Line 97 | Line 110 | page_stat_t *get_page_stats(){
110  
111                  fclose(f);
112          } else if ((f = fopen("/proc/stat", "r")) != NULL) {
113 <                if ((line_ptr = f_read_line(f, "page")) == NULL) {
113 >                if ((line_ptr = sg_f_read_line(f, "page")) == NULL) {
114 >                        sg_set_error(SG_ERROR_PARSE, "page");
115                          fclose(f);
116                          return NULL;
117                  }
118  
119                  if (sscanf(line_ptr, "page %lld %lld", &page_stats.pages_pagein, &page_stats.pages_pageout) != 2) {
120 +                        sg_set_error(SG_ERROR_PARSE, "page");
121                          fclose(f);
122                          return NULL;
123                  }
124  
125                  fclose(f);
126          } else {
127 +                sg_set_error_with_errno(SG_ERROR_OPEN, "/proc/stat");
128                  return NULL;
129          }
130   #endif
131 < #ifdef FREEBSD
131 > #if defined(FREEBSD) || defined(DFBSD)
132          size = sizeof page_stats.pages_pagein;
133 <        if (sysctlbyname("vm.stats.vm.v_swappgsin", &page_stats.pages_pagein, &size, NULL, 0) < 0){
134 <                return NULL;
135 <        }
133 >        if (sysctlbyname("vm.stats.vm.v_swappgsin", &page_stats.pages_pagein, &size, NULL, 0) < 0){
134 >                sg_set_error_with_errno(SG_ERROR_SYSCTLBYNAME,
135 >                                        "vm.stats.vm.v_swappgsin");
136 >                return NULL;
137 >        }
138          size = sizeof page_stats.pages_pageout;
139 <        if (sysctlbyname("vm.stats.vm.v_swappgsout", &page_stats.pages_pageout, &size, NULL, 0) < 0){
140 <                return NULL;
141 <        }
139 >        if (sysctlbyname("vm.stats.vm.v_swappgsout", &page_stats.pages_pageout, &size, NULL, 0) < 0){
140 >                sg_set_error_with_errno(SG_ERROR_SYSCTLBYNAME,
141 >                                        "vm.stats.vm.v_swappgsout");
142 >                return NULL;
143 >        }
144   #endif
145 < #ifdef NETBSD
146 <        if ((uvm = get_uvmexp()) == NULL) {
145 > #if defined(NETBSD) || defined(OPENBSD)
146 >        if ((uvm = sg_get_uvmexp()) == NULL) {
147                  return NULL;
148          }
149 +
150          page_stats.pages_pagein = uvm->pgswapin;
151          page_stats.pages_pageout = uvm->pgswapout;
152   #endif
153 + #ifdef WIN32
154 +        sg_set_error(SG_ERROR_UNSUPPORTED, "Win32");
155 +        return NULL;
156 + #endif
157  
158          return &page_stats;
159   }
160  
161 < page_stat_t *get_page_stats_diff(){
162 <        page_stat_t *page_ptr;
163 <        static page_stat_t page_stats_diff;
161 > sg_page_stats *sg_get_page_stats_diff(){
162 >        static sg_page_stats page_stats_diff;
163 > #ifndef WIN32
164 >        sg_page_stats *page_ptr;
165  
166          if(page_stats_uninit){
167 <                page_ptr=get_page_stats();
167 >                page_ptr=sg_get_page_stats();
168                  if(page_ptr==NULL){
169                          return NULL;
170                  }
# Line 150 | Line 176 | page_stat_t *get_page_stats_diff(){
176          page_stats_diff.pages_pageout=page_stats.pages_pageout;
177          page_stats_diff.systime=page_stats.systime;
178  
179 <        page_ptr=get_page_stats();
179 >        page_ptr=sg_get_page_stats();
180          if(page_ptr==NULL){
181                  return NULL;
182          }
183  
184 <        page_stats_diff.pages_pagein=page_stats.pages_pagein-page_stats_diff.pages_pagein;
185 <        page_stats_diff.pages_pageout=page_stats.pages_pageout-page_stats_diff.pages_pageout;
186 <        page_stats_diff.systime=page_stats.systime-page_stats_diff.systime;
187 <        
184 >        page_stats_diff.pages_pagein=page_stats.pages_pagein-page_stats_diff.pages_pagein;
185 >        page_stats_diff.pages_pageout=page_stats.pages_pageout-page_stats_diff.pages_pageout;
186 >        page_stats_diff.systime=page_stats.systime-page_stats_diff.systime;
187 >
188 > #else /* WIN32 */
189 >        if(read_counter_large(SG_WIN32_PAGEIN, &page_stats_diff.pages_pagein)) {
190 >                sg_set_error(SG_ERROR_PDHREAD, PDH_PAGEIN);
191 >                return NULL;
192 >        }
193 >        if(read_counter_large(SG_WIN32_PAGEOUT, &page_stats_diff.pages_pageout)) {
194 >                sg_set_error(SG_ERROR_PDHREAD, PDH_PAGEIN);
195 >                return NULL;
196 >        }
197 >        page_stats_diff.systime = 0;
198 > #endif /* WIN32 */
199 >
200          return &page_stats_diff;
201   }

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