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/*
** Zabbix
** Copyright (C) 2001-2022 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.
**/
#ifndef ZABBIX_CPUSTAT_H
#define ZABBIX_CPUSTAT_H
#include "zbxsysinfo.h"
#include "zbxalgo.h"
#ifdef _WINDOWS
# include "perfmon.h"
typedef struct
{
zbx_perf_counter_data_t **cpu_counter;
zbx_perf_counter_data_t *queue_counter;
int count;
}
ZBX_CPUS_STAT_DATA;
#define CPU_COLLECTOR_STARTED(collector) ((collector) && (collector)->cpus.queue_counter)
int get_cpu_perf_counter_value(int cpu_num, int interval, double *value, char **error);
#else /* not _WINDOWS */
typedef struct
{
zbx_uint64_t h_counter[ZBX_CPU_STATE_COUNT][ZBX_MAX_COLLECTOR_HISTORY];
unsigned char h_status[ZBX_MAX_COLLECTOR_HISTORY];
#if (ZBX_MAX_COLLECTOR_HISTORY % 8) > 0
unsigned char padding0[8 - (ZBX_MAX_COLLECTOR_HISTORY % 8)]; /* for 8-byte alignment */
#endif
int h_first;
int h_count;
int cpu_num;
int padding1; /* for 8-byte alignment */
}
ZBX_SINGLE_CPU_STAT_DATA;
typedef struct
{
ZBX_SINGLE_CPU_STAT_DATA *cpu;
int count;
}
ZBX_CPUS_STAT_DATA;
#ifdef _AIX
/* collector layout is designed to be cache-friendly for updates and large number of CPUs */
typedef struct
{
unsigned char status;
/* data comes from IBM AIX 'perfstat_cpu_util_t' (percents of utilization) */
zbx_uint64_t user_pct; /* user mode */
zbx_uint64_t kern_pct; /* kernel mode */
zbx_uint64_t idle_pct; /* idle mode */
zbx_uint64_t wait_pct; /* wait mode */
}
ZBX_CPU_UTIL_PCT_AIX;
typedef struct
{
ZBX_CPU_UTIL_PCT_AIX *counters; /* pointer to 2D array with history data */
int row_num; /* number of rows (ZBX_MAX_COLLECTOR_HISTORY) */
int column_num; /* number of columns (number of CPUs) */
int h_latest; /* the index of the most recent entry in the history data */
int h_count; /* the number of entries in the history data */
}
ZBX_CPUS_UTIL_DATA_AIX;
#endif /* _AIX */
#define CPU_COLLECTOR_STARTED(collector) (collector)
void collect_cpustat(ZBX_CPUS_STAT_DATA *pcpus);
int get_cpustat(AGENT_RESULT *result, int cpu_num, int state, int mode);
#ifdef _AIX
void collect_cpustat_physical(ZBX_CPUS_UTIL_DATA_AIX *cpus_phys_util);
int get_cpustat_physical(AGENT_RESULT *result, int cpu_num, int state, int mode);
#endif
#endif /* _WINDOWS */
int init_cpu_collector(ZBX_CPUS_STAT_DATA *pcpus);
void free_cpu_collector(ZBX_CPUS_STAT_DATA *pcpus);
#define ZBX_CPUNUM_UNDEF -1 /* unidentified yet CPUs */
#define ZBX_CPUNUM_ALL -2 /* request data for all CPUs */
#define ZBX_CPU_STATUS_ONLINE 0
#define ZBX_CPU_STATUS_OFFLINE 1
#define ZBX_CPU_STATUS_UNKNOWN 2
int get_cpus(zbx_vector_uint64_pair_t *vector);
#endif
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