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 1.2 by pajs, Tue Feb 18 23:12:08 2003 UTC vs.
Revision 1.6 by tdb, Sun Aug 24 20:24:09 2003 UTC

#	Line 1 | Line 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) 2000-2003 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
#	Line 22 | Line 22
22		#include "config.h"
23		#endif
24
25	–	#include <stdio.h>
25		#include "statgrab.h"
26	+	#include <time.h>
27		#ifdef SOLARIS
28		#include <kstat.h>
29		#include <sys/sysinfo.h>
30		#include <string.h>
31		#endif
32	+	#ifdef LINUX
33	+	#include <stdio.h>
34	+	#include "tools.h"
35	+	#endif
36	+	#ifdef FREEBSD
37	+	#include <sys/types.h>
38	+	#include <sys/sysctl.h>
39	+	#endif
40
41	+	static page_stat_t page_stats;
42	+	static int page_stats_uninit=1;
43	+
44		page_stat_t *get_page_stats(){
45	<	static page_stat_t page_stats;
45	>	#ifdef SOLARIS
46		kstat_ctl_t *kc;
47		kstat_t *ksp;
48		cpu_stat_t cs;
49	+	#endif
50	+	#ifdef LINUX
51	+	FILE *f;
52	+	char *line_ptr;
53	+	#endif
54	+	#ifdef FREEBSD
55	+	size_t size;
56	+	#endif
57
39	–	page_stats.num_pagein=0;
40	–	page_stats.num_pageout=0;
58		page_stats.pages_pagein=0;
59		page_stats.pages_pageout=0;
60
61	+	#ifdef SOLARIS
62		if ((kc = kstat_open()) == NULL) {
63		return NULL;
64		}
#	Line 50 | Line 68 | page_stat_t *get_page_stats(){
68		continue;
69		}
70
53	–	page_stats.num_pagein+=(long long)cs.cpu_vminfo.pgin;
54	–	page_stats.num_pageout+=(long long)cs.cpu_vminfo.pgout;
71		page_stats.pages_pagein+=(long long)cs.cpu_vminfo.pgpgin;
72		page_stats.pages_pageout+=(long long)cs.cpu_vminfo.pgpgout;
73		}
#	Line 59 | Line 75 | page_stat_t *get_page_stats(){
75		page_stats.systime=time(NULL);
76
77		kstat_close(kc);
78	+	#endif
79	+	#ifdef LINUX
80	+	if((f=fopen("/proc/stat", "r"))==NULL){
81	+	return NULL;
82	+	}
83	+	if((line_ptr=f_read_line(f, "page"))==NULL){
84	+	fclose(f);
85	+	return NULL;
86	+	}
87	+	if((sscanf(line_ptr, "page %lld %lld", &page_stats.pages_pagein, &page_stats.pages_pageout))!=2){
88	+	return NULL;
89	+	}
90	+	page_stats.systime=time(NULL);
91	+	fclose(f);
92
93	+	#endif
94	+	#ifdef FREEBSD
95	+	if (sysctlbyname("vm.stats.vm.v_swappgsin", NULL, &size, NULL, NULL) < 0){
96	+	return NULL;
97	+	}
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	+	}
107	+
108	+	#endif
109	+
110		return &page_stats;
111	+	}
112	+
113	+	page_stat_t *get_page_stats_diff(){
114	+	page_stat_t *page_ptr;
115	+	static page_stat_t page_stats_diff;
116	+
117	+	if(page_stats_uninit){
118	+	page_ptr=get_page_stats();
119	+	if(page_ptr==NULL){
120	+	return NULL;
121	+	}
122	+	page_stats_uninit=0;
123	+	return page_ptr;
124	+	}
125	+
126	+	page_stats_diff.pages_pagein=page_stats.pages_pagein;
127	+	page_stats_diff.pages_pageout=page_stats.pages_pageout;
128	+	page_stats_diff.systime=page_stats.systime;
129	+
130	+	page_ptr=get_page_stats();
131	+	if(page_ptr==NULL){
132	+	return NULL;
133	+	}
134	+
135	+	page_stats_diff.pages_pagein=page_stats.pages_pagein-page_stats_diff.pages_pagein;
136	+	page_stats_diff.pages_pageout=page_stats.pages_pageout-page_stats_diff.pages_pageout;
137	+	page_stats_diff.systime=page_stats.systime-page_stats_diff.systime;
138	+
139	+	return &page_stats_diff;
140		}

Diff Legend

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