Zabbix

/*

** Zabbix

** Copyright (C) 2001-2023 Zabbix SIA

**

** This program is free software; you can redistribute it and/or modify

** it under the terms of the GNU General Public License as published by

** the Free Software Foundation; either version 2 of the License, or

** (at your option) any later version.

**

** This program is distributed in the hope that it will be useful,

** but WITHOUT ANY WARRANTY; without even the implied warranty of

** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

** GNU General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

#include "vmstats.h"

​

#ifdef _AIX

​

#include "log.h"

​

#ifndef XINTFRAC    /* defined in IBM AIX 7.1 libperfstat.h, not defined in AIX 6.1 */

#include <sys/systemcfg.h>

#define XINTFRAC    ((double)_system_configuration.Xint / _system_configuration.Xfrac)

    /* Example of XINTFRAC = 125.000000 / 64.000000 = 1.953125. Apparently XINTFRAC is a period (in nanoseconds) */

    /* of CPU ticks on a machine. For example, 1.953125 could mean there is 1.953125 nanoseconds between ticks */

    /* and number of ticks in second is 1.0 / (1.953125 * 10^-9) = 512000000. So, tick frequency is 512 MHz. */

#endif

​

static int      last_clock = 0;

/* --- kthr --- */

static zbx_uint64_t last_runque = 0;        /* length of the run queue (processes ready) */

static zbx_uint64_t last_swpque = 0;        /* length of the swap queue (processes waiting to be paged in) */

/* --- page --- */

static zbx_uint64_t last_pgins = 0;         /* number of pages paged in */

static zbx_uint64_t last_pgouts = 0;        /* number of pages paged out */

static zbx_uint64_t last_pgspins = 0;       /* number of page ins from paging space */

static zbx_uint64_t last_pgspouts = 0;      /* number of page outs from paging space */

static zbx_uint64_t last_cycles = 0;        /* number of page replacement cycles */

static zbx_uint64_t last_scans = 0;         /* number of page scans by clock */

/* -- faults -- */

static zbx_uint64_t last_devintrs = 0;      /* number of device interrupts */

static zbx_uint64_t last_syscall = 0;       /* number of system calls executed */

static zbx_uint64_t last_pswitch = 0;       /* number of process switches (change in currently running */

                            /* process) */

/* --- cpu ---- */

/* Raw numbers of ticks are readings from forward-ticking counters. */

/* Only difference between 2 readings is meaningful. */

static zbx_uint64_t last_puser = 0;         /* raw number of physical processor ticks in user mode */

static zbx_uint64_t last_psys = 0;          /* raw number of physical processor ticks in system mode */

static zbx_uint64_t last_pidle = 0;         /* raw number of physical processor ticks idle */

static zbx_uint64_t last_pwait = 0;         /* raw number of physical processor ticks waiting for I/O */

static zbx_uint64_t last_user = 0;          /* raw total number of clock ticks spent in user mode */

static zbx_uint64_t last_sys = 0;           /* raw total number of clock ticks spent in system mode */

static zbx_uint64_t last_idle = 0;          /* raw total number of clock ticks spent idle */

static zbx_uint64_t last_wait = 0;          /* raw total number of clock ticks spent waiting for I/O */

static zbx_uint64_t last_timebase_last = 0;     /* most recent processor time base timestamp */

static zbx_uint64_t last_pool_idle_time = 0;    /* number of clock ticks a processor in the shared pool was */

                            /* idle */