ViewVC Help

View File | Revision Log | Show Annotations | Revision Graph | Root Listing

root/i-scream/projects/libstatgrab/src/libstatgrab/page_stats.c

Comparing projects/libstatgrab/src/libstatgrab/page_stats.c (file contents):
Revision 1.10 by ats, Fri Oct 24 17:26:43 2003 UTC vs.
Revision 1.21 by tdb, Wed Apr 7 21:08:40 2004 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 30 | Line 33
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 <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
49	<	static page_stat_t page_stats;
49	>	static sg_page_stats page_stats;
50		static int page_stats_uninit=1;
51
52	<	page_stat_t *get_page_stats(){
52	>	sg_page_stats *sg_get_page_stats(){
53		#ifdef SOLARIS
54	<	kstat_ctl_t *kc;
55	<	kstat_t *ksp;
56	<	cpu_stat_t cs;
54	>	kstat_ctl_t *kc;
55	>	kstat_t *ksp;
56	>	cpu_stat_t cs;
57		#endif
58	<	#ifdef LINUX
58	>	#if defined(LINUX) || defined(CYGWIN)
59		FILE *f;
60		char *line_ptr;
61		#endif
62	<	#ifdef FREEBSD
62	>	#if defined(FREEBSD) || defined(DFBSD)
63		size_t size;
64		#endif
65	<	#ifdef NETBSD
65	>	#if defined(NETBSD) || defined(OPENBSD)
66		struct uvmexp *uvm;
67		#endif
68
69		page_stats.systime = time(NULL);
70	<	page_stats.pages_pagein=0;
71	<	page_stats.pages_pageout=0;
70	>	page_stats.pages_pagein=0;
71	>	page_stats.pages_pageout=0;
72
73		#ifdef SOLARIS
74	<	if ((kc = kstat_open()) == NULL) {
75	<	return NULL;
76	<	}
77	<	for (ksp = kc->kc_chain; ksp!=NULL; ksp = ksp->ks_next) {
78	<	if ((strcmp(ksp->ks_module, "cpu_stat")) != 0) continue;
79	<	if (kstat_read(kc, ksp, &cs) == -1) {
80	<	continue;
81	<	}
74	>	if ((kc = kstat_open()) == NULL) {
75	>	sg_set_error(SG_ERROR_KSTAT_OPEN, NULL);
76	>	return NULL;
77	>	}
78	>	for (ksp = kc->kc_chain; ksp!=NULL; ksp = ksp->ks_next) {
79	>	if ((strcmp(ksp->ks_module, "cpu_stat")) != 0) continue;
80	>	if (kstat_read(kc, ksp, &cs) == -1) {
81	>	continue;
82	>	}
83
84		page_stats.pages_pagein+=(long long)cs.cpu_vminfo.pgpgin;
85		page_stats.pages_pageout+=(long long)cs.cpu_vminfo.pgpgout;
#	Line 79 | Line 87 | page_stat_t *get_page_stats(){
87
88		kstat_close(kc);
89		#endif
90	<	#ifdef LINUX
90	>	#if defined(LINUX) || defined(CYGWIN)
91		if ((f = fopen("/proc/vmstat", "r")) != NULL) {
92	<	while ((line_ptr = f_read_line(f, "")) != NULL) {
92	>	while ((line_ptr = sg_f_read_line(f, "")) != NULL) {
93		long long value;
94
95		if (sscanf(line_ptr, "%*s %lld", &value) != 1) {
#	Line 97 | Line 105 | page_stat_t *get_page_stats(){
105
106		fclose(f);
107		} else if ((f = fopen("/proc/stat", "r")) != NULL) {
108	<	if ((line_ptr = f_read_line(f, "page")) == NULL) {
108	>	if ((line_ptr = sg_f_read_line(f, "page")) == NULL) {
109	>	sg_set_error(SG_ERROR_PARSE, "page");
110		fclose(f);
111		return NULL;
112		}
113
114		if (sscanf(line_ptr, "page %lld %lld", &page_stats.pages_pagein, &page_stats.pages_pageout) != 2) {
115	+	sg_set_error(SG_ERROR_PARSE, "page");
116	+	fclose(f);
117		return NULL;
118		}
119
120		fclose(f);
121		} else {
122	+	sg_set_error(SG_ERROR_OPEN, "/proc/stat");
123		return NULL;
124		}
125		#endif
126	<	#ifdef FREEBSD
126	>	#if defined(FREEBSD) || defined(DFBSD)
127		size = sizeof page_stats.pages_pagein;
128	<	if (sysctlbyname("vm.stats.vm.v_swappgsin", &page_stats.pages_pagein, &size, NULL, 0) < 0){
129	<	return NULL;
130	<	}
128	>	if (sysctlbyname("vm.stats.vm.v_swappgsin", &page_stats.pages_pagein, &size, NULL, 0) < 0){
129	>	sg_set_error(SG_ERROR_SYSCTLBYNAME, "vm.stats.vm.v_swappgsin");
130	>	return NULL;
131	>	}
132		size = sizeof page_stats.pages_pageout;
133	<	if (sysctlbyname("vm.stats.vm.v_swappgsout", &page_stats.pages_pageout, &size, NULL, 0) < 0){
134	<	return NULL;
135	<	}
133	>	if (sysctlbyname("vm.stats.vm.v_swappgsout", &page_stats.pages_pageout, &size, NULL, 0) < 0){
134	>	sg_set_error(SG_ERROR_SYSCTLBYNAME, "vm.stats.vm.v_swappgsout");
135	>	return NULL;
136	>	}
137		#endif
138	<	#ifdef NETBSD
139	<	if ((uvm = get_uvmexp()) == NULL) {
138	>	#if defined(NETBSD) || defined(OPENBSD)
139	>	if ((uvm = sg_get_uvmexp()) == NULL) {
140		return NULL;
141		}
142	+
143		page_stats.pages_pagein = uvm->pgswapin;
144		page_stats.pages_pageout = uvm->pgswapout;
145		#endif
#	Line 132 | Line 147 | page_stat_t *get_page_stats(){
147		return &page_stats;
148		}
149
150	<	page_stat_t *get_page_stats_diff(){
151	<	page_stat_t *page_ptr;
152	<	static page_stat_t page_stats_diff;
150	>	sg_page_stats *sg_get_page_stats_diff(){
151	>	sg_page_stats *page_ptr;
152	>	static sg_page_stats page_stats_diff;
153
154		if(page_stats_uninit){
155	<	page_ptr=get_page_stats();
155	>	page_ptr=sg_get_page_stats();
156		if(page_ptr==NULL){
157		return NULL;
158		}
#	Line 149 | Line 164 | page_stat_t *get_page_stats_diff(){
164		page_stats_diff.pages_pageout=page_stats.pages_pageout;
165		page_stats_diff.systime=page_stats.systime;
166
167	<	page_ptr=get_page_stats();
167	>	page_ptr=sg_get_page_stats();
168		if(page_ptr==NULL){
169		return NULL;
170		}
171
172	<	page_stats_diff.pages_pagein=page_stats.pages_pagein-page_stats_diff.pages_pagein;
173	<	page_stats_diff.pages_pageout=page_stats.pages_pageout-page_stats_diff.pages_pageout;
174	<	page_stats_diff.systime=page_stats.systime-page_stats_diff.systime;
172	>	page_stats_diff.pages_pagein=page_stats.pages_pagein-page_stats_diff.pages_pagein;
173	>	page_stats_diff.pages_pageout=page_stats.pages_pageout-page_stats_diff.pages_pageout;
174	>	page_stats_diff.systime=page_stats.systime-page_stats_diff.systime;
175
176		return &page_stats_diff;
177		}

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines