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/* |
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/* |
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* i-scream central monitoring system |
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* http://www.i-scream.org |
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* Copyright (C) 2000-2003 i-scream |
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* Copyright (C) 2000-2004 i-scream |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* 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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* |
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* This program is distributed in the hope that it will be useful, |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* 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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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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* 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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* |
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* $Id$ |
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*/ |
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#ifdef HAVE_CONFIG_H |
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#include <unistd.h> |
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#include <kstat.h> |
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#endif |
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#ifdef LINUX |
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#if defined(LINUX) || defined(CYGWIN) |
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#include <stdio.h> |
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#include <string.h> |
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#endif |
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#ifdef FREEBSD |
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#if defined(FREEBSD) || defined(DFBSD) |
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#include <sys/types.h> |
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#include <sys/sysctl.h> |
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#include <unistd.h> |
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#endif |
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#if defined(NETBSD) || defined(OPENBSD) |
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#include <sys/param.h> |
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#include <sys/time.h> |
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#include <uvm/uvm.h> |
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#endif |
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|
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mem_stat_t *get_memory_stats(){ |
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sg_mem_stats *sg_get_mem_stats(){ |
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|
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static mem_stat_t mem_stat; |
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static sg_mem_stats mem_stat; |
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|
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#ifdef SOLARIS |
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kstat_ctl_t *kc; |
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long totalmem; |
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int pagesize; |
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#endif |
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#ifdef LINUX |
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#if defined(LINUX) || defined(CYGWIN) |
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char *line_ptr; |
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unsigned long long value; |
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FILE *f; |
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#endif |
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#ifdef FREEBSD |
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#if defined(FREEBSD) || defined(DFBSD) |
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int mib[2]; |
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u_long physmem; |
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size_t size; |
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u_int inactive_count; |
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int pagesize; |
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#endif |
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#ifdef NETBSD |
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#if defined(NETBSD) || defined(OPENBSD) |
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struct uvmexp *uvm; |
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#endif |
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mem_stat.used = mem_stat.total - mem_stat.free; |
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#endif |
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|
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#ifdef LINUX |
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f=fopen("/proc/meminfo", "r"); |
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if(f==NULL){ |
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#if defined(LINUX) || defined(CYGWIN) |
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if ((f = fopen("/proc/meminfo", "r")) == NULL) { |
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return NULL; |
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} |
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|
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if((line_ptr=f_read_line(f, "Mem:"))==NULL){ |
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fclose(f); |
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return NULL; |
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} |
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while ((line_ptr = sg_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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|
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fclose(f); |
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|
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/* Linux actually stores this as a unsigned long long, but |
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* our structures are just long longs. This shouldn't be a |
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* problem for sometime yet :) |
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*/ |
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if((sscanf(line_ptr,"Mem: %lld %lld %lld %*d %*d %lld", \ |
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&mem_stat.total, \ |
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&mem_stat.used, \ |
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&mem_stat.free, \ |
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&mem_stat.cache))!=4){ |
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return NULL; |
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if (strncmp(line_ptr, "MemTotal:", 9) == 0) { |
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mem_stat.total = value; |
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} else if (strncmp(line_ptr, "MemFree:", 8) == 0) { |
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mem_stat.free = value; |
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} else if (strncmp(line_ptr, "Cached:", 7) == 0) { |
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mem_stat.cache = value; |
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} |
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} |
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fclose(f); |
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mem_stat.used = mem_stat.total - mem_stat.free; |
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#endif |
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|
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#ifdef FREEBSD |
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#if defined(FREEBSD) || defined(DFBSD) |
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/* Returns bytes */ |
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mib[0] = CTL_HW; |
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mib[1] = HW_PHYSMEM; |
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mem_stat.used=physmem-mem_stat.free; |
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#endif |
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|
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#ifdef NETBSD |
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if ((uvm = get_uvmexp()) == NULL) { |
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#if defined(NETBSD) || defined(OPENBSD) |
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if ((uvm = sg_get_uvmexp()) == NULL) { |
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return NULL; |
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} |
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|
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mem_stat.total = uvm->pagesize * uvm->npages; |
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#ifdef NETBSD |
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mem_stat.cache = uvm->pagesize * (uvm->filepages + uvm->execpages); |
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#else |
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/* Can't find cache memory on OpenBSD */ |
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mem_stat.cache = 0; |
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#endif |
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mem_stat.free = uvm->pagesize * (uvm->free + uvm->inactive); |
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mem_stat.used = mem_stat.total - mem_stat.free; |
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#endif |
