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tdb |
1.10 |
/* |
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pajs |
1.1 |
* i-scream central monitoring system |
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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 |
1.13 |
* $Id: swap_stats.c,v 1.12 2004/02/12 23:04:52 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" |
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ats |
1.6 |
#include "tools.h" |
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pajs |
1.1 |
#ifdef SOLARIS |
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#include <sys/stat.h> |
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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) |
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pajs |
1.3 |
#include <stdio.h> |
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ats |
1.8 |
#include <string.h> |
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pajs |
1.3 |
#endif |
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pajs |
1.4 |
#ifdef FREEBSD |
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#include <unistd.h> |
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#include <sys/types.h> |
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#include <kvm.h> |
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#endif |
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tdb |
1.13 |
#if defined(NETBSD) || defined(OPENBSD) |
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tdb |
1.12 |
#include <sys/param.h> |
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#include <uvm/uvm.h> |
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#endif |
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pajs |
1.1 |
|
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swap_stat_t *get_swap_stats(){ |
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static swap_stat_t swap_stat; |
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pajs |
1.3 |
#ifdef SOLARIS |
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pajs |
1.1 |
struct anoninfo ai; |
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int pagesize; |
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pajs |
1.3 |
#endif |
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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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ats |
1.8 |
unsigned long long value; |
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pajs |
1.3 |
#endif |
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pajs |
1.4 |
#ifdef FREEBSD |
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struct kvm_swap swapinfo; |
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int pagesize; |
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ats |
1.6 |
kvm_t *kvmd; |
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pajs |
1.4 |
#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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pajs |
1.1 |
|
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pajs |
1.3 |
#ifdef SOLARIS |
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pajs |
1.1 |
if((pagesize=sysconf(_SC_PAGESIZE)) == -1){ |
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return NULL; |
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} |
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if (swapctl(SC_AINFO, &ai) == -1) { |
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return NULL; |
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} |
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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; |
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pajs |
1.3 |
#endif |
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ats |
1.9 |
#if defined(LINUX) || defined(CYGWIN) |
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ats |
1.8 |
if ((f = fopen("/proc/meminfo", "r")) == NULL) { |
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pajs |
1.3 |
return NULL; |
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} |
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ats |
1.8 |
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while ((line_ptr = f_read_line(f, "")) != NULL) { |
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if (sscanf(line_ptr, "%*s %llu kB", &value) != 1) { |
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continue; |
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} |
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value *= 1024; |
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if (strncmp(line_ptr, "SwapTotal:", 10) == 0) { |
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swap_stat.total = value; |
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} else if (strncmp(line_ptr, "SwapFree:", 9) == 0) { |
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swap_stat.free = value; |
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} |
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pajs |
1.3 |
} |
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ats |
1.8 |
|
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pajs |
1.3 |
fclose(f); |
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ats |
1.8 |
swap_stat.used = swap_stat.total - swap_stat.free; |
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pajs |
1.3 |
#endif |
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pajs |
1.4 |
#ifdef FREEBSD |
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ats |
1.6 |
if((kvmd = get_kvm()) == NULL){ |
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pajs |
1.4 |
return NULL; |
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} |
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if ((kvm_getswapinfo(kvmd, &swapinfo, 1,0)) == -1){ |
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return NULL; |
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} |
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pagesize=getpagesize(); |
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pajs |
1.1 |
|
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pajs |
1.4 |
swap_stat.total= (long long)swapinfo.ksw_total * (long long)pagesize; |
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swap_stat.used = (long long)swapinfo.ksw_used * (long long)pagesize; |
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swap_stat.free = swap_stat.total-swap_stat.used; |
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ats |
1.7 |
#endif |
116 |
tdb |
1.13 |
#if defined(NETBSD) || defined(OPENBSD) |
117 |
ats |
1.7 |
if ((uvm = get_uvmexp()) == NULL) { |
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return NULL; |
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} |
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swap_stat.total = (long long)uvm->pagesize * (long long)uvm->swpages; |
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swap_stat.used = (long long)uvm->pagesize * (long long)uvm->swpginuse; |
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swap_stat.free = swap_stat.total - swap_stat.used; |
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tdb |
1.12 |
#endif |
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pajs |
1.1 |
return &swap_stat; |
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} |