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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 1.6 by tdb, Sun Aug 24 20:24:09 2003 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 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
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	<	#ifdef LINUX
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	+	#if defined(NETBSD) || defined(OPENBSD)
71	+	struct uvmexp *uvm;
72	+	#endif
73
74	<	page_stats.pages_pagein=0;
75	<	page_stats.pages_pageout=0;
74	>	page_stats.systime = time(NULL);
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;
91		}
92
75	–	page_stats.systime=time(NULL);
76	–
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 = sg_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 = 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	<	if((line_ptr=f_read_line(f, "page"))==NULL){
131	<	fclose(f);
130	>	#endif
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	>	sg_set_error_with_errno(SG_ERROR_SYSCTLBYNAME,
135	>	"vm.stats.vm.v_swappgsin");
136		return NULL;
137		}
138	<	if((sscanf(line_ptr, "page %lld %lld", &page_stats.pages_pagein, &page_stats.pages_pageout))!=2){
138	>	size = sizeof page_stats.pages_pageout;
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		}
90	–	page_stats.systime=time(NULL);
91	–	fclose(f);
92	–
144		#endif
145	<	#ifdef FREEBSD
146	<	if (sysctlbyname("vm.stats.vm.v_swappgsin", NULL, &size, NULL, NULL) < 0){
147	<	return NULL;
148	<	}
98	<	if (sysctlbyname("vm.stats.vm.v_swappgsin", &page_stats.pages_pagein, &size, NULL, NULL) < 0){
99	<	return NULL;
100	<	}
101	<	if (sysctlbyname("vm.stats.vm.v_swappgsout", NULL, &size, NULL, NULL) < 0){
102	<	return NULL;
103	<	}
104	<	if (sysctlbyname("vm.stats.vm.v_swappgsout", &page_stats.pages_pageout, &size, NULL, NULL) < 0){
105	<	return NULL;
106	<	}
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 127 | 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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