1 |
tdb |
1.10 |
/* |
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tdb |
1.19 |
* i-scream libstatgrab |
3 |
tdb |
1.5 |
* http://www.i-scream.org |
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tdb |
1.10 |
* Copyright (C) 2000-2004 i-scream |
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pajs |
1.1 |
* |
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tdb |
1.10 |
* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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pajs |
1.1 |
* |
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tdb |
1.10 |
* This library is distributed in the hope that it will be useful, |
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pajs |
1.1 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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tdb |
1.10 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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pajs |
1.1 |
* |
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tdb |
1.10 |
* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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* 02111-1307 USA |
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tdb |
1.11 |
* |
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tdb |
1.26 |
* $Id: swap_stats.c,v 1.25 2007/07/05 16:46:06 tdb Exp $ |
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pajs |
1.1 |
*/ |
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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#include "statgrab.h" |
29 |
ats |
1.6 |
#include "tools.h" |
30 |
pajs |
1.1 |
#ifdef SOLARIS |
31 |
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#include <sys/stat.h> |
32 |
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#include <sys/swap.h> |
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#include <unistd.h> |
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#endif |
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ats |
1.9 |
#if defined(LINUX) || defined(CYGWIN) |
36 |
pajs |
1.3 |
#include <stdio.h> |
37 |
ats |
1.8 |
#include <string.h> |
38 |
pajs |
1.3 |
#endif |
39 |
tdb |
1.16 |
#if defined(FREEBSD) || defined(DFBSD) |
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tdb |
1.15 |
#ifdef FREEBSD5 |
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#include <sys/param.h> |
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#include <sys/sysctl.h> |
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#include <sys/user.h> |
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#else |
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pajs |
1.4 |
#include <sys/types.h> |
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#include <kvm.h> |
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#endif |
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tdb |
1.17 |
#include <unistd.h> |
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tdb |
1.15 |
#endif |
50 |
tdb |
1.13 |
#if defined(NETBSD) || defined(OPENBSD) |
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tdb |
1.12 |
#include <sys/param.h> |
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ats |
1.14 |
#include <sys/time.h> |
53 |
tdb |
1.12 |
#include <uvm/uvm.h> |
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tdb |
1.17 |
#include <unistd.h> |
55 |
tdb |
1.12 |
#endif |
56 |
tdb |
1.22 |
#ifdef HPUX |
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#include <sys/param.h> |
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#include <sys/pstat.h> |
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#include <unistd.h> |
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ats |
1.23 |
#define SWAP_BATCH 5 |
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tdb |
1.22 |
#endif |
62 |
tdb |
1.26 |
#ifdef AIX |
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#include <unistd.h> |
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#include <libperfstat.h> |
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#endif |
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tdb |
1.24 |
#ifdef WIN32 |
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#include <windows.h> |
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#endif |
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pajs |
1.1 |
|
70 |
ats |
1.18 |
sg_swap_stats *sg_get_swap_stats(){ |
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pajs |
1.1 |
|
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ats |
1.18 |
static sg_swap_stats swap_stat; |
73 |
pajs |
1.1 |
|
74 |
tdb |
1.22 |
#ifdef HPUX |
75 |
ats |
1.23 |
struct pst_swapinfo pstat_swapinfo[SWAP_BATCH]; |
76 |
tdb |
1.22 |
int swapidx = 0; |
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1.23 |
int num, i; |
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tdb |
1.22 |
#endif |
79 |
pajs |
1.3 |
#ifdef SOLARIS |
80 |
pajs |
1.1 |
struct anoninfo ai; |
81 |
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int pagesize; |
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pajs |
1.3 |
#endif |
83 |
ats |
1.9 |
#if defined(LINUX) || defined(CYGWIN) |
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pajs |
1.3 |
FILE *f; |
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char *line_ptr; |
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1.8 |
unsigned long long value; |
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pajs |
1.3 |
#endif |
88 |
tdb |
1.16 |
#if defined(FREEBSD) || defined(DFBSD) |
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tdb |
1.15 |
int pagesize; |
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#ifdef FREEBSD5 |
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struct xswdev xsw; |
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int mib[16], n; |
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size_t mibsize, size; |
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#else |
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pajs |
1.4 |
struct kvm_swap swapinfo; |
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1.6 |
kvm_t *kvmd; |
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pajs |
1.4 |
#endif |
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tdb |
1.15 |
#endif |
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tdb |
1.12 |
#if defined(NETBSD) || defined(OPENBSD) |
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ats |
1.7 |
struct uvmexp *uvm; |
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#endif |
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tdb |
1.26 |
#ifdef AIX |
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perfstat_memory_total_t mem; |
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long long pagesize; |
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#endif |
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tdb |
1.24 |
#ifdef WIN32 |
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MEMORYSTATUSEX memstats; |
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#endif |
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pajs |
1.1 |
|
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tdb |
1.22 |
#ifdef HPUX |
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swap_stat.total = 0; |
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swap_stat.used = 0; |
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swap_stat.free = 0; |
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1.23 |
while (1) { |
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num = pstat_getswap(pstat_swapinfo, sizeof pstat_swapinfo[0], |
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SWAP_BATCH, swapidx); |
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if (num == -1) { |
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sg_set_error_with_errno(SG_ERROR_PSTAT, |
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"pstat_getswap"); |
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return NULL; |
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} else if (num == 0) { |
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tdb |
1.22 |
break; |
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} |
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1.23 |
for (i = 0; i < num; i++) { |
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struct pst_swapinfo *si = &pstat_swapinfo[i]; |
128 |
tdb |
1.22 |
|
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ats |
1.23 |
if ((si->pss_flags & SW_ENABLED) != SW_ENABLED) { |
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continue; |
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} |
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if ((si->pss_flags & SW_BLOCK) == SW_BLOCK) { |
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swap_stat.total += ((long long) si->pss_nblksavail) * 1024LL; |
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swap_stat.used += ((long long) si->pss_nfpgs) * 1024LL; |
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swap_stat.free = swap_stat.total - swap_stat.used; |
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} |
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if ((si->pss_flags & SW_FS) == SW_FS) { |
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swap_stat.total += ((long long) si->pss_limit) * 1024LL; |
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swap_stat.used += ((long long) si->pss_allocated) * 1024LL; |
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swap_stat.free = swap_stat.total - swap_stat.used; |
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} |
143 |
tdb |
1.22 |
} |
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ats |
1.23 |
swapidx = pstat_swapinfo[num - 1].pss_idx + 1; |
145 |
tdb |
1.22 |
} |
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#endif |
147 |
tdb |
1.26 |
#ifdef AIX |
148 |
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if ((pagesize = sysconf(_SC_PAGESIZE)) == -1) { |
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sg_set_error_with_errno(SG_ERROR_SYSCONF, "_SC_PAGESIZE"); |
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return NULL; |
151 |
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} |
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/* return code is number of structures returned */ |
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if(perfstat_memory_total(NULL, &mem, sizeof(perfstat_memory_total_t), 1) != 1) { |
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sg_set_error_with_errno(SG_ERROR_SYSCTLBYNAME, "perfstat_memory_total"); |
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return NULL; |
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} |
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swap_stat.total = ((long long)mem.pgsp_total) * pagesize; |
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swap_stat.free = ((long long)mem.pgsp_free) * pagesize; |
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swap_stat.used = swap_stat.total - swap_stat.free; |
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#endif |
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pajs |
1.3 |
#ifdef SOLARIS |
164 |
pajs |
1.1 |
if((pagesize=sysconf(_SC_PAGESIZE)) == -1){ |
165 |
ats |
1.21 |
sg_set_error_with_errno(SG_ERROR_SYSCONF, "_SC_PAGESIZE"); |
166 |
pajs |
1.1 |
return NULL; |
167 |
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} |
168 |
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if (swapctl(SC_AINFO, &ai) == -1) { |
169 |
ats |
1.21 |
sg_set_error_with_errno(SG_ERROR_SWAPCTL, NULL); |
170 |
pajs |
1.1 |
return NULL; |
171 |
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} |
172 |
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swap_stat.total = (long long)ai.ani_max * (long long)pagesize; |
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swap_stat.used = (long long)ai.ani_resv * (long long)pagesize; |
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swap_stat.free = swap_stat.total - swap_stat.used; |
175 |
pajs |
1.3 |
#endif |
176 |
ats |
1.9 |
#if defined(LINUX) || defined(CYGWIN) |
177 |
ats |
1.8 |
if ((f = fopen("/proc/meminfo", "r")) == NULL) { |
178 |
ats |
1.21 |
sg_set_error_with_errno(SG_ERROR_OPEN, "/proc/meminfo"); |
179 |
pajs |
1.3 |
return NULL; |
180 |
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} |
181 |
ats |
1.8 |
|
182 |
ats |
1.18 |
while ((line_ptr = sg_f_read_line(f, "")) != NULL) { |
183 |
ats |
1.8 |
if (sscanf(line_ptr, "%*s %llu kB", &value) != 1) { |
184 |
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continue; |
185 |
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} |
186 |
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value *= 1024; |
187 |
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188 |
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if (strncmp(line_ptr, "SwapTotal:", 10) == 0) { |
189 |
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swap_stat.total = value; |
190 |
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} else if (strncmp(line_ptr, "SwapFree:", 9) == 0) { |
191 |
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swap_stat.free = value; |
192 |
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} |
193 |
pajs |
1.3 |
} |
194 |
ats |
1.8 |
|
195 |
pajs |
1.3 |
fclose(f); |
196 |
ats |
1.8 |
swap_stat.used = swap_stat.total - swap_stat.free; |
197 |
pajs |
1.3 |
#endif |
198 |
tdb |
1.16 |
#if defined(FREEBSD) || defined(DFBSD) |
199 |
tdb |
1.15 |
pagesize=getpagesize(); |
200 |
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201 |
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#ifdef FREEBSD5 |
202 |
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swap_stat.total = 0; |
203 |
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swap_stat.used = 0; |
204 |
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205 |
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mibsize = sizeof mib / sizeof mib[0]; |
206 |
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if (sysctlnametomib("vm.swap_info", mib, &mibsize) < 0) { |
207 |
ats |
1.21 |
sg_set_error_with_errno(SG_ERROR_SYSCTLNAMETOMIB, |
208 |
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"vm.swap_info"); |
209 |
tdb |
1.15 |
return NULL; |
210 |
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} |
211 |
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for (n = 0; ; ++n) { |
212 |
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mib[mibsize] = n; |
213 |
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size = sizeof xsw; |
214 |
tdb |
1.25 |
if (sysctl(mib, mibsize + 1, &xsw, &size, NULL, 0) < 0) { |
215 |
tdb |
1.15 |
break; |
216 |
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} |
217 |
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if (xsw.xsw_version != XSWDEV_VERSION) { |
218 |
tdb |
1.20 |
sg_set_error(SG_ERROR_XSW_VER_MISMATCH, NULL); |
219 |
tdb |
1.15 |
return NULL; |
220 |
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} |
221 |
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swap_stat.total += (long long) xsw.xsw_nblks; |
222 |
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swap_stat.used += (long long) xsw.xsw_used; |
223 |
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} |
224 |
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if (errno != ENOENT) { |
225 |
ats |
1.21 |
sg_set_error_with_errno(SG_ERROR_SYSCTL, "vm.swap_info"); |
226 |
tdb |
1.15 |
return NULL; |
227 |
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} |
228 |
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#else |
229 |
ats |
1.18 |
if((kvmd = sg_get_kvm()) == NULL){ |
230 |
pajs |
1.4 |
return NULL; |
231 |
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} |
232 |
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if ((kvm_getswapinfo(kvmd, &swapinfo, 1,0)) == -1){ |
233 |
tdb |
1.20 |
sg_set_error(SG_ERROR_KVM_GETSWAPINFO, NULL); |
234 |
pajs |
1.4 |
return NULL; |
235 |
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} |
236 |
pajs |
1.1 |
|
237 |
tdb |
1.15 |
swap_stat.total = (long long)swapinfo.ksw_total; |
238 |
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swap_stat.used = (long long)swapinfo.ksw_used; |
239 |
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#endif |
240 |
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swap_stat.total *= pagesize; |
241 |
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swap_stat.used *= pagesize; |
242 |
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swap_stat.free = swap_stat.total - swap_stat.used; |
243 |
ats |
1.7 |
#endif |
244 |
tdb |
1.13 |
#if defined(NETBSD) || defined(OPENBSD) |
245 |
ats |
1.18 |
if ((uvm = sg_get_uvmexp()) == NULL) { |
246 |
ats |
1.7 |
return NULL; |
247 |
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} |
248 |
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249 |
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swap_stat.total = (long long)uvm->pagesize * (long long)uvm->swpages; |
250 |
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swap_stat.used = (long long)uvm->pagesize * (long long)uvm->swpginuse; |
251 |
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swap_stat.free = swap_stat.total - swap_stat.used; |
252 |
tdb |
1.24 |
#endif |
253 |
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#ifdef WIN32 |
254 |
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memstats.dwLength = sizeof(memstats); |
255 |
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if (!GlobalMemoryStatusEx(&memstats)) { |
256 |
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sg_set_error_with_errno(SG_ERROR_MEMSTATUS, |
257 |
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"GloblaMemoryStatusEx"); |
258 |
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return NULL; |
259 |
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} |
260 |
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/* the PageFile stats include Phys memory "minus an overhead". |
261 |
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* Due to this unknown "overhead" there's no way to extract just page |
262 |
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* file use from these numbers */ |
263 |
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swap_stat.total = memstats.ullTotalPageFile; |
264 |
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swap_stat.free = memstats.ullAvailPageFile; |
265 |
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swap_stat.used = swap_stat.total - swap_stat.free; |
266 |
tdb |
1.12 |
#endif |
267 |
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268 |
pajs |
1.1 |
return &swap_stat; |
269 |
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270 |
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} |