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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.uk |
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* Copyright (C) 2000-2002 i-scream |
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* http://www.i-scream.org |
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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 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 <sys/sysinfo.h> |
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#include <string.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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#endif |
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#ifdef FREEBSD |
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#include <sys/sysctl.h> |
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#include <sys/dkstat.h> |
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#endif |
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#ifdef NETBSD |
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#include <sys/types.h> |
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#include <sys/param.h> |
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#include <sys/sysctl.h> |
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#include <sys/sched.h> |
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#endif |
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|
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static cpu_states_t cpu_now; |
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static int cpu_now_uninit=1; |
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kstat_t *ksp; |
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cpu_stat_t cs; |
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#endif |
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#ifdef LINUX |
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#if defined(LINUX) || defined(CYGWIN) |
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FILE *f; |
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#endif |
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#ifdef ALLBSD |
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#ifndef FREEBSD |
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int mib[2]; |
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#endif |
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#ifdef NETBSD |
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u_int64_t cp_time[CPUSTATES]; |
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#else |
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long cp_time[CPUSTATES]; |
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#endif |
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size_t size; |
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#endif |
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|
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cpu_now.user=0; |
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/* Not stored in linux */ |
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/* Not stored in linux or freebsd */ |
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cpu_now.iowait=0; |
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cpu_now.kernel=0; |
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cpu_now.idle=0; |
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/* Not stored in linux */ |
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/* Not stored in linux or freebsd */ |
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cpu_now.swap=0; |
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cpu_now.total=0; |
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/* Not stored in solaris */ |
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kstat_close(kc); |
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#endif |
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#ifdef LINUX |
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#if defined(LINUX) || defined(CYGWIN) |
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if ((f=fopen("/proc/stat", "r" ))==NULL) { |
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return NULL; |
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} |
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&cpu_now.nice, \ |
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&cpu_now.kernel, \ |
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&cpu_now.idle)) != 4){ |
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fclose(f); |
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return NULL; |
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} |
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fclose(f); |
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cpu_now.total=cpu_now.user+cpu_now.nice+cpu_now.kernel+cpu_now.idle; |
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#endif |
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#ifdef ALLBSD |
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#ifdef FREEBSD |
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size = sizeof cp_time; |
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if (sysctlbyname("kern.cp_time", &cp_time, &size, NULL, 0) < 0){ |
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return NULL; |
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} |
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#else |
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mib[0] = CTL_KERN; |
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mib[1] = KERN_CP_TIME; |
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size = sizeof cp_time; |
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if (sysctl(mib, 2, &cp_time, &size, NULL, 0) < 0) { |
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return NULL; |
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} |
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#endif |
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|
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cpu_now.user=cp_time[CP_USER]; |
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cpu_now.nice=cp_time[CP_NICE]; |
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cpu_now.kernel=cp_time[CP_SYS]; |
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cpu_now.idle=cp_time[CP_IDLE]; |
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|
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cpu_now.total=cpu_now.user+cpu_now.nice+cpu_now.kernel+cpu_now.idle; |
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|
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#endif |
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cpu_now.systime=time(NULL); |
