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

Comparing projects/libstatgrab/src/libstatgrab/page_stats.c (file contents):
Revision 1.13 by tdb, Fri Jan 16 15:54:54 2004 UTC vs.
Revision 1.22 by ats, Sun Jul 18 21:30:11 2004 UTC

#	Line 1 | Line 1
1		/*
2	<	* i-scream central monitoring system
2	>	* i-scream libstatgrab
3		* http://www.i-scream.org
4		* Copyright (C) 2000-2004 i-scream
5		*
#	Line 17 | Line 17
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 35 | 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
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		#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 82 | Line 89 | page_stat_t *get_page_stats(){
89		#endif
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 98 | 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_with_errno(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_with_errno(SG_ERROR_SYSCTLBYNAME,
130	>	"vm.stats.vm.v_swappgsin");
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	<	}
134	>	if (sysctlbyname("vm.stats.vm.v_swappgsout", &page_stats.pages_pageout, &size, NULL, 0) < 0){
135	>	sg_set_error_with_errno(SG_ERROR_SYSCTLBYNAME,
136	>	"vm.stats.vm.v_swappgsout");
137	>	return NULL;
138	>	}
139		#endif
140	<	#ifdef NETBSD
141	<	if ((uvm = get_uvmexp()) == NULL) {
140	>	#if defined(NETBSD) || defined(OPENBSD)
141	>	if ((uvm = sg_get_uvmexp()) == NULL) {
142		return NULL;
143		}
144	+
145		page_stats.pages_pagein = uvm->pgswapin;
146		page_stats.pages_pageout = uvm->pgswapout;
147		#endif
#	Line 134 | Line 149 | page_stat_t *get_page_stats(){
149		return &page_stats;
150		}
151
152	<	page_stat_t *get_page_stats_diff(){
153	<	page_stat_t *page_ptr;
154	<	static page_stat_t page_stats_diff;
152	>	sg_page_stats *sg_get_page_stats_diff(){
153	>	sg_page_stats *page_ptr;
154	>	static sg_page_stats page_stats_diff;
155
156		if(page_stats_uninit){
157	<	page_ptr=get_page_stats();
157	>	page_ptr=sg_get_page_stats();
158		if(page_ptr==NULL){
159		return NULL;
160		}
#	Line 151 | Line 166 | page_stat_t *get_page_stats_diff(){
166		page_stats_diff.pages_pageout=page_stats.pages_pageout;
167		page_stats_diff.systime=page_stats.systime;
168
169	<	page_ptr=get_page_stats();
169	>	page_ptr=sg_get_page_stats();
170		if(page_ptr==NULL){
171		return NULL;
172		}
173
174	<	page_stats_diff.pages_pagein=page_stats.pages_pagein-page_stats_diff.pages_pagein;
175	<	page_stats_diff.pages_pageout=page_stats.pages_pageout-page_stats_diff.pages_pageout;
176	<	page_stats_diff.systime=page_stats.systime-page_stats_diff.systime;
174	>	page_stats_diff.pages_pagein=page_stats.pages_pagein-page_stats_diff.pages_pagein;
175	>	page_stats_diff.pages_pageout=page_stats.pages_pageout-page_stats_diff.pages_pageout;
176	>	page_stats_diff.systime=page_stats.systime-page_stats_diff.systime;
177
178		return &page_stats_diff;
179		}

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