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Comparing projects/libstatgrab/src/libstatgrab/page_stats.c (file contents):
Revision 1.8 by ats, Sat Oct 18 23:04:23 2003 UTC vs.
Revision 1.24 by tdb, Sun Oct 3 18:35:58 2010 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 AIX
49	+	#include <libperfstat.h>
50	+	#endif
51	+	#ifdef HPUX
52	+	#include <sys/pstat.h>
53	+	#endif
54	+	#ifdef WIN32
55	+	#include "win32.h"
56	+	#endif
57
58	<	static page_stat_t page_stats;
58	>	static sg_page_stats page_stats;
59	>	#ifndef WIN32
60		static int page_stats_uninit=1;
61	+	#endif
62
63	<	page_stat_t *get_page_stats(){
63	>	sg_page_stats *sg_get_page_stats(){
64		#ifdef SOLARIS
65	<	kstat_ctl_t *kc;
66	<	kstat_t *ksp;
67	<	cpu_stat_t cs;
65	>	kstat_ctl_t *kc;
66	>	kstat_t *ksp;
67	>	cpu_stat_t cs;
68		#endif
69	<	#ifdef LINUX
69	>	#if defined(LINUX) || defined(CYGWIN)
70		FILE *f;
71		char *line_ptr;
72		#endif
73	<	#ifdef FREEBSD
73	>	#if defined(FREEBSD) || defined(DFBSD)
74		size_t size;
75		#endif
76	+	#if defined(NETBSD) || defined(OPENBSD)
77	+	struct uvmexp *uvm;
78	+	#endif
79	+	#ifdef AIX
80	+	perfstat_memory_total_t mem;
81	+	#endif
82	+	#ifdef HPUX
83	+	struct pst_vminfo vminfo;
84	+	#endif
85
86	<	page_stats.pages_pagein=0;
87	<	page_stats.pages_pageout=0;
86	>	page_stats.systime = time(NULL);
87	>	page_stats.pages_pagein=0;
88	>	page_stats.pages_pageout=0;
89
90		#ifdef SOLARIS
91	<	if ((kc = kstat_open()) == NULL) {
92	<	return NULL;
93	<	}
94	<	for (ksp = kc->kc_chain; ksp!=NULL; ksp = ksp->ks_next) {
95	<	if ((strcmp(ksp->ks_module, "cpu_stat")) != 0) continue;
96	<	if (kstat_read(kc, ksp, &cs) == -1) {
97	<	continue;
98	<	}
91	>	if ((kc = kstat_open()) == NULL) {
92	>	sg_set_error(SG_ERROR_KSTAT_OPEN, NULL);
93	>	return NULL;
94	>	}
95	>	for (ksp = kc->kc_chain; ksp!=NULL; ksp = ksp->ks_next) {
96	>	if ((strcmp(ksp->ks_module, "cpu_stat")) != 0) continue;
97	>	if (kstat_read(kc, ksp, &cs) == -1) {
98	>	continue;
99	>	}
100
101		page_stats.pages_pagein+=(long long)cs.cpu_vminfo.pgpgin;
102		page_stats.pages_pageout+=(long long)cs.cpu_vminfo.pgpgout;
103		}
104
75	–	page_stats.systime=time(NULL);
76	–
105		kstat_close(kc);
106		#endif
107	<	#ifdef LINUX
108	<	if((f=fopen("/proc/stat", "r"))==NULL){
107	>	#if defined(LINUX) || defined(CYGWIN)
108	>	if ((f = fopen("/proc/vmstat", "r")) != NULL) {
109	>	while ((line_ptr = sg_f_read_line(f, "")) != NULL) {
110	>	long long value;
111	>
112	>	if (sscanf(line_ptr, "%*s %lld", &value) != 1) {
113	>	continue;
114	>	}
115	>
116	>	if (strncmp(line_ptr, "pgpgin ", 7) == 0) {
117	>	page_stats.pages_pagein = value;
118	>	} else if (strncmp(line_ptr, "pgpgout ", 8) == 0) {
119	>	page_stats.pages_pageout = value;
120	>	}
121	>	}
122	>
123	>	fclose(f);
124	>	} else if ((f = fopen("/proc/stat", "r")) != NULL) {
125	>	if ((line_ptr = sg_f_read_line(f, "page")) == NULL) {
126	>	sg_set_error(SG_ERROR_PARSE, "page");
127	>	fclose(f);
128	>	return NULL;
129	>	}
130	>
131	>	if (sscanf(line_ptr, "page %lld %lld", &page_stats.pages_pagein, &page_stats.pages_pageout) != 2) {
132	>	sg_set_error(SG_ERROR_PARSE, "page");
133	>	fclose(f);
134	>	return NULL;
135	>	}
136	>
137	>	fclose(f);
138	>	} else {
139	>	sg_set_error_with_errno(SG_ERROR_OPEN, "/proc/stat");
140		return NULL;
141		}
142	<	if((line_ptr=f_read_line(f, "page"))==NULL){
143	<	fclose(f);
142	>	#endif
143	>	#if defined(FREEBSD) || defined(DFBSD)
144	>	size = sizeof page_stats.pages_pagein;
145	>	if (sysctlbyname("vm.stats.vm.v_swappgsin", &page_stats.pages_pagein, &size, NULL, 0) < 0){
146	>	sg_set_error_with_errno(SG_ERROR_SYSCTLBYNAME,
147	>	"vm.stats.vm.v_swappgsin");
148		return NULL;
149		}
150	<	if((sscanf(line_ptr, "page %lld %lld", &page_stats.pages_pagein, &page_stats.pages_pageout))!=2){
150	>	size = sizeof page_stats.pages_pageout;
151	>	if (sysctlbyname("vm.stats.vm.v_swappgsout", &page_stats.pages_pageout, &size, NULL, 0) < 0){
152	>	sg_set_error_with_errno(SG_ERROR_SYSCTLBYNAME,
153	>	"vm.stats.vm.v_swappgsout");
154		return NULL;
155		}
156	<	page_stats.systime=time(NULL);
157	<	fclose(f);
156	>	#endif
157	>	#if defined(NETBSD) || defined(OPENBSD)
158	>	if ((uvm = sg_get_uvmexp()) == NULL) {
159	>	return NULL;
160	>	}
161
162	+	page_stats.pages_pagein = uvm->pgswapin;
163	+	page_stats.pages_pageout = uvm->pgswapout;
164		#endif
165	<	#ifdef FREEBSD
166	<	size = sizeof page_stats.pages_pagein;
167	<	if (sysctlbyname("vm.stats.vm.v_swappgsin", &page_stats.pages_pagein, &size, NULL, 0) < 0){
168	<	return NULL;
169	<	}
170	<	size = sizeof page_stats.pages_pageout;
100	<	if (sysctlbyname("vm.stats.vm.v_swappgsout", &page_stats.pages_pageout, &size, NULL, 0) < 0){
101	<	return NULL;
102	<	}
165	>	#ifdef AIX
166	>	/* return code is number of structures returned */
167	>	if(perfstat_memory_total(NULL, &mem, sizeof(perfstat_memory_total_t), 1) != 1) {
168	>	sg_set_error_with_errno(SG_ERROR_SYSCTLBYNAME, "perfstat_memory_total");
169	>	return NULL;
170	>	}
171
172	+	page_stats.pages_pagein  = mem.pgins;
173	+	page_stats.pages_pageout = mem.pgouts;
174		#endif
175	+	#ifdef HPUX
176	+	if( pstat_getvminfo( &vminfo, sizeof(vminfo), 1, 0 ) == -1 ) {
177	+	sg_set_error_with_errno(SG_ERROR_SYSCTLBYNAME, "pstat_getswap");
178	+	return NULL;
179	+	};
180
181	+	page_stats.pages_pagein  = vminfo.psv_spgin;
182	+	page_stats.pages_pageout = vminfo.psv_spgout;
183	+	#endif
184	+	#ifdef WIN32
185	+	sg_set_error(SG_ERROR_UNSUPPORTED, "Win32");
186	+	return NULL;
187	+	#endif
188	+
189		return &page_stats;
190		}
191
192	<	page_stat_t *get_page_stats_diff(){
193	<	page_stat_t *page_ptr;
194	<	static page_stat_t page_stats_diff;
192	>	sg_page_stats *sg_get_page_stats_diff(){
193	>	static sg_page_stats page_stats_diff;
194	>	#ifndef WIN32
195	>	sg_page_stats *page_ptr;
196
197		if(page_stats_uninit){
198	<	page_ptr=get_page_stats();
198	>	page_ptr=sg_get_page_stats();
199		if(page_ptr==NULL){
200		return NULL;
201		}
#	Line 123 | Line 207 | page_stat_t *get_page_stats_diff(){
207		page_stats_diff.pages_pageout=page_stats.pages_pageout;
208		page_stats_diff.systime=page_stats.systime;
209
210	<	page_ptr=get_page_stats();
210	>	page_ptr=sg_get_page_stats();
211		if(page_ptr==NULL){
212		return NULL;
213		}
214
215	<	page_stats_diff.pages_pagein=page_stats.pages_pagein-page_stats_diff.pages_pagein;
216	<	page_stats_diff.pages_pageout=page_stats.pages_pageout-page_stats_diff.pages_pageout;
217	<	page_stats_diff.systime=page_stats.systime-page_stats_diff.systime;
218	<
215	>	page_stats_diff.pages_pagein=page_stats.pages_pagein-page_stats_diff.pages_pagein;
216	>	page_stats_diff.pages_pageout=page_stats.pages_pageout-page_stats_diff.pages_pageout;
217	>	page_stats_diff.systime=page_stats.systime-page_stats_diff.systime;
218	>
219	>	#else /* WIN32 */
220	>	if(read_counter_large(SG_WIN32_PAGEIN, &page_stats_diff.pages_pagein)) {
221	>	sg_set_error(SG_ERROR_PDHREAD, PDH_PAGEIN);
222	>	return NULL;
223	>	}
224	>	if(read_counter_large(SG_WIN32_PAGEOUT, &page_stats_diff.pages_pageout)) {
225	>	sg_set_error(SG_ERROR_PDHREAD, PDH_PAGEIN);
226	>	return NULL;
227	>	}
228	>	page_stats_diff.systime = 0;
229	>	#endif /* WIN32 */
230	>
231		return &page_stats_diff;
232		}

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