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/* |
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* i-scream central monitoring system |
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/* |
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* i-scream libstatgrab |
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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 <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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#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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#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 HPUX |
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struct pst_static *pstat_static; |
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struct pst_dynamic pstat_dynamic; |
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long long pagesize; |
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#endif |
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#ifdef SOLARIS |
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kstat_ctl_t *kc; |
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kstat_t *ksp; |
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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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|
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#ifdef HPUX |
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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; |
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} |
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|
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if (pstat_getdynamic(&pstat_dynamic, sizeof(pstat_dynamic), 1, 0) == -1) { |
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sg_set_error_with_errno(SG_ERROR_PSTAT, "pstat_dynamic"); |
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return NULL; |
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} |
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pstat_static = sg_get_pstat_static(); |
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if (pstat_static == NULL) { |
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return NULL; |
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} |
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|
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/* FIXME Does this include swap? */ |
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mem_stat.total = ((long long) pstat_static->physical_memory) * pagesize; |
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mem_stat.free = ((long long) pstat_dynamic.psd_free) * pagesize; |
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mem_stat.used = mem_stat.total - mem_stat.free; |
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#endif |
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#ifdef SOLARIS |
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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; |
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} |
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if((totalmem=sysconf(_SC_PHYS_PAGES)) == -1){ |
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sg_set_error_with_errno(SG_ERROR_SYSCONF, "_SC_PHYS_PAGES"); |
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return NULL; |
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} |
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if ((kc = kstat_open()) == NULL) { |
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sg_set_error(SG_ERROR_KSTAT_OPEN, NULL); |
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return NULL; |
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} |
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if((ksp=kstat_lookup(kc, "unix", 0, "system_pages")) == NULL){ |
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sg_set_error(SG_ERROR_KSTAT_LOOKUP, "unix,0,system_pages"); |
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return NULL; |
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} |
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if (kstat_read(kc, ksp, 0) == -1) { |
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sg_set_error(SG_ERROR_KSTAT_READ, NULL); |
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return NULL; |
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} |
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if((kn=kstat_data_lookup(ksp, "freemem")) == NULL){ |
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sg_set_error(SG_ERROR_KSTAT_DATA_LOOKUP, "freemem"); |
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return NULL; |
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} |
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kstat_close(kc); |
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kstat_close(kc); |
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|
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mem_stat.total = (long long)totalmem * (long long)pagesize; |
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mem_stat.free = ((long long)kn->value.ul) * (long long)pagesize; |
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|
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#if defined(LINUX) || defined(CYGWIN) |
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if ((f = fopen("/proc/meminfo", "r")) == NULL) { |
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sg_set_error_with_errno(SG_ERROR_OPEN, "/proc/meminfo"); |
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return NULL; |
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} |
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|
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while ((line_ptr = f_read_line(f, "")) != NULL) { |
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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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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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size = sizeof physmem; |
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if (sysctl(mib, 2, &physmem, &size, NULL, 0) < 0) { |
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sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_HW.HW_PHYSMEM"); |
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return NULL; |
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} |
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mem_stat.total = physmem; |
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|
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/*returns pages*/ |
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size = sizeof free_count; |
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if (sysctlbyname("vm.stats.vm.v_free_count", &free_count, &size, NULL, 0) < 0){ |
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if (sysctlbyname("vm.stats.vm.v_free_count", &free_count, &size, NULL, 0) < 0){ |
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sg_set_error_with_errno(SG_ERROR_SYSCTLBYNAME, |
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"vm.stats.vm.v_free_count"); |
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return NULL; |
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} |
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} |
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|
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size = sizeof inactive_count; |
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if (sysctlbyname("vm.stats.vm.v_inactive_count", &inactive_count , &size, NULL, 0) < 0){ |
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if (sysctlbyname("vm.stats.vm.v_inactive_count", &inactive_count , &size, NULL, 0) < 0){ |
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sg_set_error_with_errno(SG_ERROR_SYSCTLBYNAME, |
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"vm.stats.vm.v_inactive_count"); |
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return NULL; |
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} |
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} |
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size = sizeof cache_count; |
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if (sysctlbyname("vm.stats.vm.v_cache_count", &cache_count, &size, NULL, 0) < 0){ |
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if (sysctlbyname("vm.stats.vm.v_cache_count", &cache_count, &size, NULL, 0) < 0){ |
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sg_set_error_with_errno(SG_ERROR_SYSCTLBYNAME, |
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"vm.stats.vm.v_cache_count"); |
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return NULL; |
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} |
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} |
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/* Because all the vm.stats returns pages, I need to get the page size. |
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* After that I then need to multiple the anything that used vm.stats to |
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* After that I then need to multiple the anything that used vm.stats to |
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* get the system statistics by pagesize |
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*/ |
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if ((pagesize=getpagesize()) == -1){ |
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return NULL; |
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} |
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|
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pagesize = getpagesize(); |
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mem_stat.cache=cache_count*pagesize; |
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/* Of couse nothing is ever that simple :) And I have inactive pages to |
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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 |
