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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 1.3 by pajs, Wed Feb 19 00:25:36 2003 UTC vs.
Revision 1.14 by tdb, Mon Jan 19 16:49:21 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
25		#include "config.h"
26		#endif
27
25	–	#include <stdio.h>
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	+	#if defined(LINUX) || defined(CYGWIN)
37	+	#include <stdio.h>
38	+	#include <string.h>
39	+	#endif
40	+	#ifdef FREEBSD
41	+	#include <sys/types.h>
42	+	#include <sys/sysctl.h>
43	+	#endif
44
33	–
45		static page_stat_t page_stats;
46		static int page_stats_uninit=1;
47
48		page_stat_t *get_page_stats(){
49	+	#ifdef SOLARIS
50		kstat_ctl_t *kc;
51		kstat_t *ksp;
52		cpu_stat_t cs;
53	+	#endif
54	+	#if defined(LINUX) || defined(CYGWIN)
55	+	FILE *f;
56	+	char *line_ptr;
57	+	#endif
58	+	#ifdef FREEBSD
59	+	size_t size;
60	+	#endif
61	+	#ifdef NETBSD
62	+	struct uvmexp *uvm;
63	+	#endif
64
65	<	page_stats.num_pagein=0;
43	<	page_stats.num_pageout=0;
65	>	page_stats.systime = time(NULL);
66		page_stats.pages_pagein=0;
67		page_stats.pages_pageout=0;
68
69	+	#ifdef SOLARIS
70		if ((kc = kstat_open()) == NULL) {
71		return NULL;
72		}
#	Line 53 | Line 76 | page_stat_t *get_page_stats(){
76		continue;
77		}
78
56	–	page_stats.num_pagein+=(long long)cs.cpu_vminfo.pgin;
57	–	page_stats.num_pageout+=(long long)cs.cpu_vminfo.pgout;
79		page_stats.pages_pagein+=(long long)cs.cpu_vminfo.pgpgin;
80		page_stats.pages_pageout+=(long long)cs.cpu_vminfo.pgpgout;
81		}
82
62	–	page_stats.systime=time(NULL);
63	–
83		kstat_close(kc);
84	+	#endif
85	+	#if defined(LINUX) || defined(CYGWIN)
86	+	if ((f = fopen("/proc/vmstat", "r")) != NULL) {
87	+	while ((line_ptr = f_read_line(f, "")) != NULL) {
88	+	long long value;
89
90	+	if (sscanf(line_ptr, "%*s %lld", &value) != 1) {
91	+	continue;
92	+	}
93	+
94	+	if (strncmp(line_ptr, "pgpgin ", 7) == 0) {
95	+	page_stats.pages_pagein = value;
96	+	} else if (strncmp(line_ptr, "pgpgout ", 8) == 0) {
97	+	page_stats.pages_pageout = value;
98	+	}
99	+	}
100	+
101	+	fclose(f);
102	+	} else if ((f = fopen("/proc/stat", "r")) != NULL) {
103	+	if ((line_ptr = f_read_line(f, "page")) == NULL) {
104	+	fclose(f);
105	+	return NULL;
106	+	}
107	+
108	+	if (sscanf(line_ptr, "page %lld %lld", &page_stats.pages_pagein, &page_stats.pages_pageout) != 2) {
109	+	fclose(f);
110	+	return NULL;
111	+	}
112	+
113	+	fclose(f);
114	+	} else {
115	+	return NULL;
116	+	}
117	+	#endif
118	+	#ifdef FREEBSD
119	+	size = sizeof page_stats.pages_pagein;
120	+	if (sysctlbyname("vm.stats.vm.v_swappgsin", &page_stats.pages_pagein, &size, NULL, 0) < 0){
121	+	return NULL;
122	+	}
123	+	size = sizeof page_stats.pages_pageout;
124	+	if (sysctlbyname("vm.stats.vm.v_swappgsout", &page_stats.pages_pageout, &size, NULL, 0) < 0){
125	+	return NULL;
126	+	}
127	+	#endif
128	+	#ifdef NETBSD
129	+	if ((uvm = get_uvmexp()) == NULL) {
130	+	return NULL;
131	+	}
132	+	page_stats.pages_pagein = uvm->pgswapin;
133	+	page_stats.pages_pageout = uvm->pgswapout;
134	+	#endif
135	+
136		return &page_stats;
137		}
138
#	Line 79 | Line 149 | page_stat_t *get_page_stats_diff(){
149		return page_ptr;
150		}
151
82	–	page_stats_diff.num_pagein=page_stats.num_pagein;
83	–	page_stats_diff.num_pageout=page_stats.num_pageout;
152		page_stats_diff.pages_pagein=page_stats.pages_pagein;
153		page_stats_diff.pages_pageout=page_stats.pages_pageout;
154		page_stats_diff.systime=page_stats.systime;
#	Line 90 | Line 158 | page_stat_t *get_page_stats_diff(){
158		return NULL;
159		}
160
93	–	page_stats_diff.num_pagein=page_stats.num_pagein-page_stats_diff.num_pagein;
94	–	page_stats_diff.num_pageout=page_stats.num_pageout-page_stats_diff.num_pageout;
161		page_stats_diff.pages_pagein=page_stats.pages_pagein-page_stats_diff.pages_pagein;
162		page_stats_diff.pages_pageout=page_stats.pages_pageout-page_stats_diff.pages_pageout;
163		page_stats_diff.systime=page_stats.systime-page_stats_diff.systime;

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