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sa_wrap.c
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/*
* sysstat - sa_wrap.c: Functions used in activity.c
* (C) 1999-2015 by Sebastien GODARD (sysstat <at> orange.fr)
*
***************************************************************************
* 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 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., *
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
***************************************************************************
*/
#include <dirent.h>
#include <string.h>
#include "sa.h"
#include "rd_stats.h"
#include "count.h"
#include "rd_sensors.h"
extern unsigned int flags;
extern struct record_header record_hdr;
/*
***************************************************************************
* Read CPU statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_stat_cpu(struct activity *a)
{
struct stats_cpu *st_cpu
= (struct stats_cpu *) a->_buf0;
/* Read CPU statistics */
read_stat_cpu(st_cpu, a->nr, &record_hdr.uptime, &record_hdr.uptime0);
return;
}
/*
***************************************************************************
* Read process (task) creation and context switch statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_stat_pcsw(struct activity *a)
{
struct stats_pcsw *st_pcsw
= (struct stats_pcsw *) a->_buf0;
/* Read process and context switch stats */
read_stat_pcsw(st_pcsw);
return;
}
/*
***************************************************************************
* Read interrupt statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_stat_irq(struct activity *a)
{
struct stats_irq *st_irq
= (struct stats_irq *) a->_buf0;
/* Read interrupts stats */
read_stat_irq(st_irq, a->nr);
return;
}
/*
***************************************************************************
* Read queue and load statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_loadavg(struct activity *a)
{
struct stats_queue *st_queue
= (struct stats_queue *) a->_buf0;
/* Read queue and load stats */
read_loadavg(st_queue);
return;
}
/*
***************************************************************************
* Read memory statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_meminfo(struct activity *a)
{
struct stats_memory *st_memory
= (struct stats_memory *) a->_buf0;
/* Read memory stats */
read_meminfo(st_memory);
return;
}
/*
***************************************************************************
* Read swapping statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_swap(struct activity *a)
{
struct stats_swap *st_swap
= (struct stats_swap *) a->_buf0;
/* Read stats from /proc/vmstat */
read_vmstat_swap(st_swap);
return;
}
/*
***************************************************************************
* Read paging statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_paging(struct activity *a)
{
struct stats_paging *st_paging
= (struct stats_paging *) a->_buf0;
/* Read stats from /proc/vmstat */
read_vmstat_paging(st_paging);
return;
}
/*
***************************************************************************
* Read I/O and transfer rates statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_io(struct activity *a)
{
struct stats_io *st_io
= (struct stats_io *) a->_buf0;
/* Read stats from /proc/diskstats */
read_diskstats_io(st_io);
return;
}
/*
***************************************************************************
* Read block devices statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_disk(struct activity *a)
{
struct stats_disk *st_disk
= (struct stats_disk *) a->_buf0;
/* Read stats from /proc/diskstats */
read_diskstats_disk(st_disk, a->nr, COLLECT_PARTITIONS(a->opt_flags));
return;
}
/*
***************************************************************************
* Read serial lines statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_tty_driver_serial(struct activity *a)
{
struct stats_serial *st_serial
= (struct stats_serial *) a->_buf0;
/* Read serial lines stats */
read_tty_driver_serial(st_serial, a->nr);
return;
}
/*
***************************************************************************
* Read kernel tables statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_kernel_tables(struct activity *a)
{
struct stats_ktables *st_ktables
= (struct stats_ktables *) a->_buf0;
/* Read kernel tables stats */
read_kernel_tables(st_ktables);
return;
}
/*
***************************************************************************
* Read network interfaces statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_net_dev(struct activity *a)
{
struct stats_net_dev *st_net_dev
= (struct stats_net_dev *) a->_buf0;
int dev;
/* Read network interfaces stats */
dev = read_net_dev(st_net_dev, a->nr);
if (!dev)
/* No data read. Exit */
return;
/* Read duplex and speed info for each interface */
read_if_info(st_net_dev, dev);
return;
}
/*
***************************************************************************
* Read network interfaces errors statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_net_edev(struct activity *a)
{
struct stats_net_edev *st_net_edev
= (struct stats_net_edev *) a->_buf0;
/* Read network interfaces errors stats */
read_net_edev(st_net_edev, a->nr);
return;
}
/*
***************************************************************************
* Read NFS client statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_net_nfs(struct activity *a)
{
struct stats_net_nfs *st_net_nfs
= (struct stats_net_nfs *) a->_buf0;
/* Read NFS client stats */
read_net_nfs(st_net_nfs);
return;
}
/*
***************************************************************************
* Read NFS server statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_net_nfsd(struct activity *a)
{
struct stats_net_nfsd *st_net_nfsd
= (struct stats_net_nfsd *) a->_buf0;
/* Read NFS server stats */
read_net_nfsd(st_net_nfsd);
return;
}
/*
***************************************************************************
* Read network sockets statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_net_sock(struct activity *a)
{
struct stats_net_sock *st_net_sock
= (struct stats_net_sock *) a->_buf0;
/* Read network sockets stats */
read_net_sock(st_net_sock);
return;
}
/*
***************************************************************************
* Read IP statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_net_ip(struct activity *a)
{
struct stats_net_ip *st_net_ip
= (struct stats_net_ip *) a->_buf0;
/* Read IP stats */
read_net_ip(st_net_ip);
return;
}
/*
***************************************************************************
* Read IP error statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_net_eip(struct activity *a)
{
struct stats_net_eip *st_net_eip
= (struct stats_net_eip *) a->_buf0;
/* Read IP error stats */
read_net_eip(st_net_eip);
return;
}
/*
***************************************************************************
* Read ICMP statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_net_icmp(struct activity *a)
{
struct stats_net_icmp *st_net_icmp
= (struct stats_net_icmp *) a->_buf0;
/* Read ICMP stats */
read_net_icmp(st_net_icmp);
return;
}
/*
***************************************************************************
* Read ICMP error statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_net_eicmp(struct activity *a)
{
struct stats_net_eicmp *st_net_eicmp
= (struct stats_net_eicmp *) a->_buf0;
/* Read ICMP error stats */
read_net_eicmp(st_net_eicmp);
return;
}
/*
***************************************************************************
* Read TCP statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_net_tcp(struct activity *a)
{
struct stats_net_tcp *st_net_tcp
= (struct stats_net_tcp *) a->_buf0;
/* Read TCP stats */
read_net_tcp(st_net_tcp);
return;
}
/*
***************************************************************************
* Read TCP error statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_net_etcp(struct activity *a)
{
struct stats_net_etcp *st_net_etcp
= (struct stats_net_etcp *) a->_buf0;
/* Read TCP error stats */
read_net_etcp(st_net_etcp);
return;
}
/*
***************************************************************************
* Read UDP statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_net_udp(struct activity *a)
{
struct stats_net_udp *st_net_udp
= (struct stats_net_udp *) a->_buf0;
/* Read UDP stats */
read_net_udp(st_net_udp);
return;
}
/*
***************************************************************************
* Read IPv6 network sockets statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_net_sock6(struct activity *a)
{
struct stats_net_sock6 *st_net_sock6
= (struct stats_net_sock6 *) a->_buf0;
/* Read IPv6 network sockets stats */
read_net_sock6(st_net_sock6);
return;
}
/*
***************************************************************************
* Read IPv6 statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_net_ip6(struct activity *a)
{
struct stats_net_ip6 *st_net_ip6
= (struct stats_net_ip6 *) a->_buf0;
/* Read IPv6 stats */
read_net_ip6(st_net_ip6);
return;
}
/*
***************************************************************************
* Read IPv6 error statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_net_eip6(struct activity *a)
{
struct stats_net_eip6 *st_net_eip6
= (struct stats_net_eip6 *) a->_buf0;
/* Read IPv6 error stats */
read_net_eip6(st_net_eip6);
return;
}
/*
***************************************************************************
* Read ICMPv6 statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_net_icmp6(struct activity *a)
{
struct stats_net_icmp6 *st_net_icmp6
= (struct stats_net_icmp6 *) a->_buf0;
/* Read ICMPv6 stats */
read_net_icmp6(st_net_icmp6);
return;
}
/*
***************************************************************************
* Read ICMPv6 error statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_net_eicmp6(struct activity *a)
{
struct stats_net_eicmp6 *st_net_eicmp6
= (struct stats_net_eicmp6 *) a->_buf0;
/* Read ICMPv6 error stats */
read_net_eicmp6(st_net_eicmp6);
return;
}
/*
***************************************************************************
* Read UDPv6 statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_net_udp6(struct activity *a)
{
struct stats_net_udp6 *st_net_udp6
= (struct stats_net_udp6 *) a->_buf0;
/* Read UDPv6 stats */
read_net_udp6(st_net_udp6);
return;
}
/*
***************************************************************************
* Read CPU frequency statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_cpuinfo(struct activity *a)
{
struct stats_pwr_cpufreq *st_pwr_cpufreq
= (struct stats_pwr_cpufreq *) a->_buf0;
/* Read CPU frequency stats */
read_cpuinfo(st_pwr_cpufreq, a->nr);
return;
}
/*
***************************************************************************
* Read fan statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_fan(struct activity *a)
{
struct stats_pwr_fan *st_pwr_fan
= (struct stats_pwr_fan *) a->_buf0;
/* Read fan stats */
read_fan(st_pwr_fan, a->nr);
return;
}
/*
***************************************************************************
* Read temperature statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_temp(struct activity *a)
{
struct stats_pwr_temp *st_pwr_temp
= (struct stats_pwr_temp *) a->_buf0;
/* Read temperature stats */
read_temp(st_pwr_temp, a->nr);
return;
}
/*
***************************************************************************
* Read voltage input statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_in(struct activity *a)
{
struct stats_pwr_in *st_pwr_in
= (struct stats_pwr_in *) a->_buf0;
/* Read voltage input stats */
read_in(st_pwr_in, a->nr);
return;
}
/*
***************************************************************************
* Read hugepages statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_meminfo_huge(struct activity *a)
{
struct stats_huge *st_huge
= (struct stats_huge *) a->_buf0;
/* Read hugepages stats */
read_meminfo_huge(st_huge);
return;
}
/*
***************************************************************************
* Read weighted CPU frequency statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_time_in_state(struct activity *a)
{
__nr_t cpu = 0;
int j;
struct stats_pwr_wghfreq *st_pwr_wghfreq
= (struct stats_pwr_wghfreq *) a->_buf0;
struct stats_pwr_wghfreq *st_pwr_wghfreq_i, *st_pwr_wghfreq_j, *st_pwr_wghfreq_all_j;
while (cpu < (a->nr - 1)) {
/* Read current CPU time-in-state data */
st_pwr_wghfreq_i = st_pwr_wghfreq + (cpu + 1) * a->nr2;
read_time_in_state(st_pwr_wghfreq_i, cpu, a->nr2);
/* Also save data for CPU 'all' */
for (j = 0; j < a->nr2; j++) {
st_pwr_wghfreq_j = st_pwr_wghfreq_i + j; /* CPU #cpu, state #j */
st_pwr_wghfreq_all_j = st_pwr_wghfreq + j; /* CPU #all, state #j */
if (!cpu) {
/* Assume that possible frequencies are the same for all CPUs */
st_pwr_wghfreq_all_j->freq = st_pwr_wghfreq_j->freq;
}
st_pwr_wghfreq_all_j->time_in_state += st_pwr_wghfreq_j->time_in_state;
}
cpu++;
}
/* Special processing for non SMP kernels: Only CPU 'all' is available */
if (a->nr == 1) {
read_time_in_state(st_pwr_wghfreq, 0, a->nr2);
}
else {
for (j = 0; j < a->nr2; j++) {
st_pwr_wghfreq_all_j = st_pwr_wghfreq + j; /* CPU #all, state #j */
st_pwr_wghfreq_all_j->time_in_state /= (a->nr - 1);
}
}
return;
}
/*
***************************************************************************
* Read USB devices statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_bus_usb_dev(struct activity *a)
{
struct stats_pwr_usb *st_pwr_usb
= (struct stats_pwr_usb *) a->_buf0;
/* Read USB devices stats */
read_bus_usb_dev(st_pwr_usb, a->nr);
return;
}
/*
***************************************************************************
* Read filesystem statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_filesystem(struct activity *a)
{
struct stats_filesystem *st_filesystem
= (struct stats_filesystem *) a->_buf0;
/* Read filesystems from /etc/mtab */
read_filesystem(st_filesystem, a->nr);
return;
}
/*
***************************************************************************
* Read Fibre Channel HBA statistics.
*
* IN:
* @a Activity structure.
*
* OUT:
* @a Activity structure with statistics.
***************************************************************************
*/
__read_funct_t wrap_read_fchost(struct activity *a)
{
struct stats_fchost *st_fc
= (struct stats_fchost *) a->_buf0;
read_fchost(st_fc, a->nr);
return;
}
/*
***************************************************************************
* Count number of interrupts that are in /proc/stat file.
* Truncate the number of different individual interrupts to NR_IRQS.
*
* IN:
* @a Activity structure.
*
* RETURNS:
* Number of interrupts, including total number of interrupts.
* Value in [0, NR_IRQS + 1].
***************************************************************************
*/
__nr_t wrap_get_irq_nr(struct activity *a)
{
__nr_t n;
if ((n = get_irq_nr()) > (a->bitmap->b_size + 1)) {
n = a->bitmap->b_size + 1;
}
return n;
}
/*
***************************************************************************
* Find number of serial lines that support tx/rx accounting
* in /proc/tty/driver/serial file.
*
* IN:
* @a Activity structure.
*
* RETURNS:
* Number of serial lines supporting tx/rx accouting + a pre-allocation
* constant.
***************************************************************************
*/
__nr_t wrap_get_serial_nr(struct activity *a)
{
__nr_t n = 0;
if ((n = get_serial_nr()) > 0)
return n + NR_SERIAL_PREALLOC;
return 0;
}
/*
***************************************************************************
* Find number of interfaces (network devices) that are in /proc/net/dev
* file.
*
* IN:
* @a Activity structure.
*
* RETURNS:
* Number of network interfaces + a pre-allocation constant.
***************************************************************************
*/
__nr_t wrap_get_iface_nr(struct activity *a)
{
__nr_t n = 0;
if ((n = get_iface_nr()) > 0)
return n + NR_IFACE_PREALLOC;
return 0;
}
/*
***************************************************************************
* Compute number of CPU structures to allocate.
*
* IN:
* @a Activity structure.
*
* RETURNS:
* Number of structures (value in [1, NR_CPUS + 1]).
* 1 means that there is only one proc and non SMP kernel.
* 2 means one proc and SMP kernel.
* Etc.
***************************************************************************
*/
__nr_t wrap_get_cpu_nr(struct activity *a)
{
return (get_cpu_nr(a->bitmap->b_size, FALSE) + 1);
}
/*
***************************************************************************
* Get number of devices in /proc/diskstats.
* Always done, since disk stats must be read at least for sar -b
* if not for sar -d.
*
* IN:
* @a Activity structure.