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json_stats.c
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json_stats.c
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/*
* json_stats.c: Funtions used by sadf to display statistics in JSON format.
* (C) 1999-2020 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., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA *
***************************************************************************
*/
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include "sa.h"
#include "ioconf.h"
#include "json_stats.h"
#ifdef USE_NLS
#include <locale.h>
#include <libintl.h>
#define _(string) gettext(string)
#else
#define _(string) (string)
#endif
extern unsigned int flags;
/*
***************************************************************************
* Open or close "network" markup.
*
* IN:
* @tab Number of tabulations.
* @action Open or close action.
***************************************************************************
*/
void json_markup_network(int tab, int action)
{
static int markup_state = CLOSE_JSON_MARKUP;
if (action == markup_state)
return;
markup_state = action;
if (action == OPEN_JSON_MARKUP) {
/* Open markup */
xprintf(tab, "\"network\": {");
}
else {
/* Close markup */
printf("\n");
xprintf0(tab, "}");
}
}
/*
***************************************************************************
* Open or close "power-management" markup.
*
* IN:
* @tab Number of tabulations.
* @action Open or close action.
***************************************************************************
*/
void json_markup_power_management(int tab, int action)
{
static int markup_state = CLOSE_JSON_MARKUP;
if (action == markup_state)
return;
markup_state = action;
if (action == OPEN_JSON_MARKUP) {
/* Open markup */
xprintf(tab, "\"power-management\": {");
}
else {
/* Close markup */
printf("\n");
xprintf0(tab, "}");
}
}
/*
***************************************************************************
* Open or close "psi" markup.
*
* IN:
* @tab Number of tabulations.
* @action Open or close action.
***************************************************************************
*/
void json_markup_psi(int tab, int action)
{
static int markup_state = CLOSE_JSON_MARKUP;
if (action == markup_state)
return;
markup_state = action;
if (action == OPEN_JSON_MARKUP) {
/* Open markup */
xprintf(tab, "\"psi\": {");
}
else {
/* Close markup */
printf("\n");
xprintf0(tab, "}");
}
}
/*
***************************************************************************
* Display CPU statistics in JSON.
*
* IN:
* @a Activity structure with statistics.
* @curr Index in array for current sample statistics.
* @tab Indentation in output.
* @itv Interval of time in 1/100th of a second (independent of the
* number of processors). Unused here.
***************************************************************************
*/
__print_funct_t json_print_cpu_stats(struct activity *a, int curr, int tab,
unsigned long long itv)
{
int i;
int sep = FALSE;
unsigned long long deltot_jiffies = 1;
struct stats_cpu *scc, *scp;
unsigned char offline_cpu_bitmap[BITMAP_SIZE(NR_CPUS)] = {0};
char cpuno[16];
xprintf(tab++, "\"cpu-load\": [");
/* @nr[curr] cannot normally be greater than @nr_ini */
if (a->nr[curr] > a->nr_ini) {
a->nr_ini = a->nr[curr];
}
/*
* Compute CPU "all" as sum of all individual CPU (on SMP machines)
* and look for offline CPU.
*/
if (a->nr_ini > 1) {
deltot_jiffies = get_global_cpu_statistics(a, !curr, curr,
flags, offline_cpu_bitmap);
}
for (i = 0; (i < a->nr_ini) && (i < a->bitmap->b_size + 1); i++) {
/* Should current CPU (including CPU "all") be displayed? */
if (!(a->bitmap->b_array[i >> 3] & (1 << (i & 0x07))) ||
offline_cpu_bitmap[i >> 3] & (1 << (i & 0x07)))
/* Don't display CPU */
continue;
scc = (struct stats_cpu *) ((char *) a->buf[curr] + i * a->msize);
scp = (struct stats_cpu *) ((char *) a->buf[!curr] + i * a->msize);
if (sep) {
printf(",\n");
}
sep = TRUE;
if (!i) {
/* This is CPU "all" */
strcpy(cpuno, "all");
if (a->nr_ini == 1) {
/*
* This is a UP machine. In this case
* interval has still not been calculated.
*/
deltot_jiffies = get_per_cpu_interval(scc, scp);
}
if (!deltot_jiffies) {
/* CPU "all" cannot be tickless */
deltot_jiffies = 1;
}
}
else {
sprintf(cpuno, "%d", i - 1);
/*
* Recalculate interval for current proc.
* If result is 0 then current CPU is a tickless one.
*/
deltot_jiffies = get_per_cpu_interval(scc, scp);
if (!deltot_jiffies) {
/* Current CPU is tickless */
if (DISPLAY_CPU_DEF(a->opt_flags)) {
xprintf0(tab, "{\"cpu\": \"%d\", "
"\"user\": %.2f, "
"\"nice\": %.2f, "
"\"system\": %.2f, "
"\"iowait\": %.2f, "
"\"steal\": %.2f, "
"\"idle\": %.2f}",
i - 1, 0.0, 0.0, 0.0, 0.0, 0.0, 100.0);
}
else if (DISPLAY_CPU_ALL(a->opt_flags)) {
xprintf0(tab, "{\"cpu\": \"%d\", "
"\"usr\": %.2f, "
"\"nice\": %.2f, "
"\"sys\": %.2f, "
"\"iowait\": %.2f, "
"\"steal\": %.2f, "
"\"irq\": %.2f, "
"\"soft\": %.2f, "
"\"guest\": %.2f, "
"\"gnice\": %.2f, "
"\"idle\": %.2f}",
i - 1, 0.0, 0.0, 0.0, 0.0,
0.0, 0.0, 0.0, 0.0, 0.0, 100.0);
}
continue;
}
}
if (DISPLAY_CPU_DEF(a->opt_flags)) {
xprintf0(tab, "{\"cpu\": \"%s\", "
"\"user\": %.2f, "
"\"nice\": %.2f, "
"\"system\": %.2f, "
"\"iowait\": %.2f, "
"\"steal\": %.2f, "
"\"idle\": %.2f}",
cpuno,
ll_sp_value(scp->cpu_user, scc->cpu_user, deltot_jiffies),
ll_sp_value(scp->cpu_nice, scc->cpu_nice, deltot_jiffies),
ll_sp_value(scp->cpu_sys + scp->cpu_hardirq + scp->cpu_softirq,
scc->cpu_sys + scc->cpu_hardirq + scc->cpu_softirq,
deltot_jiffies),
ll_sp_value(scp->cpu_iowait, scc->cpu_iowait, deltot_jiffies),
ll_sp_value(scp->cpu_steal, scc->cpu_steal, deltot_jiffies),
scc->cpu_idle < scp->cpu_idle ?
0.0 :
ll_sp_value(scp->cpu_idle, scc->cpu_idle, deltot_jiffies));
}
else if (DISPLAY_CPU_ALL(a->opt_flags)) {
xprintf0(tab, "{\"cpu\": \"%s\", "
"\"usr\": %.2f, "
"\"nice\": %.2f, "
"\"sys\": %.2f, "
"\"iowait\": %.2f, "
"\"steal\": %.2f, "
"\"irq\": %.2f, "
"\"soft\": %.2f, "
"\"guest\": %.2f, "
"\"gnice\": %.2f, "
"\"idle\": %.2f}",
cpuno,
(scc->cpu_user - scc->cpu_guest) < (scp->cpu_user - scp->cpu_guest) ?
0.0 :
ll_sp_value(scp->cpu_user - scp->cpu_guest,
scc->cpu_user - scc->cpu_guest, deltot_jiffies),
(scc->cpu_nice - scc->cpu_guest_nice) < (scp->cpu_nice - scp->cpu_guest_nice) ?
0.0 :
ll_sp_value(scp->cpu_nice - scp->cpu_guest_nice,
scc->cpu_nice - scc->cpu_guest_nice, deltot_jiffies),
ll_sp_value(scp->cpu_sys, scc->cpu_sys, deltot_jiffies),
ll_sp_value(scp->cpu_iowait, scc->cpu_iowait, deltot_jiffies),
ll_sp_value(scp->cpu_steal, scc->cpu_steal, deltot_jiffies),
ll_sp_value(scp->cpu_hardirq, scc->cpu_hardirq, deltot_jiffies),
ll_sp_value(scp->cpu_softirq, scc->cpu_softirq, deltot_jiffies),
ll_sp_value(scp->cpu_guest, scc->cpu_guest, deltot_jiffies),
ll_sp_value(scp->cpu_guest_nice, scc->cpu_guest_nice, deltot_jiffies),
scc->cpu_idle < scp->cpu_idle ?
0.0 :
ll_sp_value(scp->cpu_idle, scc->cpu_idle, deltot_jiffies));
}
}
printf("\n");
xprintf0(--tab, "]");
}
/*
***************************************************************************
* Display task creation and context switch statistics in JSON.
*
* IN:
* @a Activity structure with statistics.
* @curr Index in array for current sample statistics.
* @tab Indentation in output.
* @itv Interval of time in 1/100th of a second.
***************************************************************************
*/
__print_funct_t json_print_pcsw_stats(struct activity *a, int curr, int tab,
unsigned long long itv)
{
struct stats_pcsw
*spc = (struct stats_pcsw *) a->buf[curr],
*spp = (struct stats_pcsw *) a->buf[!curr];
/* proc/s and cswch/s */
xprintf0(tab, "\"process-and-context-switch\": {"
"\"proc\": %.2f, "
"\"cswch\": %.2f}",
S_VALUE(spp->processes, spc->processes, itv),
S_VALUE(spp->context_switch, spc->context_switch, itv));
}
/*
***************************************************************************
* Display interrupts statistics in JSON.
*
* IN:
* @a Activity structure with statistics.
* @curr Index in array for current sample statistics.
* @tab Indentation in output.
* @itv Interval of time in 1/100th of a second.
***************************************************************************
*/
__print_funct_t json_print_irq_stats(struct activity *a, int curr, int tab,
unsigned long long itv)
{
int i;
struct stats_irq *sic, *sip;
int sep = FALSE;
char irqno[16];
xprintf(tab++, "\"interrupts\": [");
for (i = 0; (i < a->nr[curr]) && (i < a->bitmap->b_size + 1); i++) {
sic = (struct stats_irq *) ((char *) a->buf[curr] + i * a->msize);
sip = (struct stats_irq *) ((char *) a->buf[!curr] + i * a->msize);
/* Should current interrupt (including int "sum") be displayed? */
if (a->bitmap->b_array[i >> 3] & (1 << (i & 0x07))) {
/* Yes: Display it */
if (sep) {
printf(",\n");
}
sep = TRUE;
if (!i) {
/* This is interrupt "sum" */
strcpy(irqno, "sum");
}
else {
sprintf(irqno, "%d", i - 1);
}
xprintf0(tab, "{\"intr\": \"%s\", "
"\"value\": %.2f}",
irqno,
S_VALUE(sip->irq_nr, sic->irq_nr, itv));
}
}
printf("\n");
xprintf0(--tab, "]");
}
/*
***************************************************************************
* Display swapping statistics in JSON.
*
* IN:
* @a Activity structure with statistics.
* @curr Index in array for current sample statistics.
* @tab Indentation in output.
* @itv Interval of time in 1/100th of a second.
***************************************************************************
*/
__print_funct_t json_print_swap_stats(struct activity *a, int curr, int tab,
unsigned long long itv)
{
struct stats_swap
*ssc = (struct stats_swap *) a->buf[curr],
*ssp = (struct stats_swap *) a->buf[!curr];
xprintf0(tab, "\"swap-pages\": {"
"\"pswpin\": %.2f, "
"\"pswpout\": %.2f}",
S_VALUE(ssp->pswpin, ssc->pswpin, itv),
S_VALUE(ssp->pswpout, ssc->pswpout, itv));
}
/*
***************************************************************************
* Display paging statistics in JSON.
*
* IN:
* @a Activity structure with statistics.
* @curr Index in array for current sample statistics.
* @tab Indentation in output.
* @itv Interval of time in 1/100th of a second.
***************************************************************************
*/
__print_funct_t json_print_paging_stats(struct activity *a, int curr, int tab,
unsigned long long itv)
{
struct stats_paging
*spc = (struct stats_paging *) a->buf[curr],
*spp = (struct stats_paging *) a->buf[!curr];
xprintf0(tab, "\"paging\": {"
"\"pgpgin\": %.2f, "
"\"pgpgout\": %.2f, "
"\"fault\": %.2f, "
"\"majflt\": %.2f, "
"\"pgfree\": %.2f, "
"\"pgscank\": %.2f, "
"\"pgscand\": %.2f, "
"\"pgsteal\": %.2f, "
"\"vmeff-percent\": %.2f}",
S_VALUE(spp->pgpgin, spc->pgpgin, itv),
S_VALUE(spp->pgpgout, spc->pgpgout, itv),
S_VALUE(spp->pgfault, spc->pgfault, itv),
S_VALUE(spp->pgmajfault, spc->pgmajfault, itv),
S_VALUE(spp->pgfree, spc->pgfree, itv),
S_VALUE(spp->pgscan_kswapd, spc->pgscan_kswapd, itv),
S_VALUE(spp->pgscan_direct, spc->pgscan_direct, itv),
S_VALUE(spp->pgsteal, spc->pgsteal, itv),
(spc->pgscan_kswapd + spc->pgscan_direct -
spp->pgscan_kswapd - spp->pgscan_direct) ?
SP_VALUE(spp->pgsteal, spc->pgsteal,
spc->pgscan_kswapd + spc->pgscan_direct -
spp->pgscan_kswapd - spp->pgscan_direct) : 0.0);
}
/*
***************************************************************************
* Display I/O and transfer rate statistics in JSON.
*
* IN:
* @a Activity structure with statistics.
* @curr Index in array for current sample statistics.
* @tab Indentation in output.
* @itv Interval of time in 1/100th of a second.
***************************************************************************
*/
__print_funct_t json_print_io_stats(struct activity *a, int curr, int tab,
unsigned long long itv)
{
struct stats_io
*sic = (struct stats_io *) a->buf[curr],
*sip = (struct stats_io *) a->buf[!curr];
xprintf0(tab, "\"io\": {"
"\"tps\": %.2f, "
"\"io-reads\": {"
"\"rtps\": %.2f, "
"\"bread\": %.2f}, "
"\"io-writes\": {"
"\"wtps\": %.2f, "
"\"bwrtn\": %.2f}, "
"\"io-discard\": {"
"\"dtps\": %.2f, "
"\"bdscd\": %.2f}}",
/*
* If we get negative values, this is probably because
* one or more devices/filesystems have been unmounted.
* We display 0.0 in this case though we should rather tell
* the user that the value cannot be calculated here.
*/
sic->dk_drive < sip->dk_drive ? 0.0 :
S_VALUE(sip->dk_drive, sic->dk_drive, itv),
sic->dk_drive_rio < sip->dk_drive_rio ? 0.0 :
S_VALUE(sip->dk_drive_rio, sic->dk_drive_rio, itv),
sic->dk_drive_rblk < sip->dk_drive_rblk ? 0.0 :
S_VALUE(sip->dk_drive_rblk, sic->dk_drive_rblk, itv),
sic->dk_drive_wio < sip->dk_drive_wio ? 0.0 :
S_VALUE(sip->dk_drive_wio, sic->dk_drive_wio, itv),
sic->dk_drive_wblk < sip->dk_drive_wblk ? 0.0 :
S_VALUE(sip->dk_drive_wblk, sic->dk_drive_wblk, itv),
sic->dk_drive_dio < sip->dk_drive_dio ? 0.0 :
S_VALUE(sip->dk_drive_dio, sic->dk_drive_dio, itv),
sic->dk_drive_dblk < sip->dk_drive_dblk ? 0.0 :
S_VALUE(sip->dk_drive_dblk, sic->dk_drive_dblk, itv));
}
/*
***************************************************************************
* Display memory statistics in JSON.
*
* IN:
* @a Activity structure with statistics.
* @curr Index in array for current sample statistics.
* @tab Indentation in output.
* @itv Interval of time in 1/100th of a second.
***************************************************************************
*/
__print_funct_t json_print_memory_stats(struct activity *a, int curr, int tab,
unsigned long long itv)
{
struct stats_memory
*smc = (struct stats_memory *) a->buf[curr];
int sep = FALSE;
unsigned long long nousedmem;
xprintf0(tab, "\"memory\": {");
if (DISPLAY_MEMORY(a->opt_flags)) {
sep = TRUE;
nousedmem = smc->frmkb + smc->bufkb + smc->camkb + smc->slabkb;
if (nousedmem > smc->tlmkb) {
nousedmem = smc->tlmkb;
}
printf("\"memfree\": %llu, "
"\"avail\": %llu, "
"\"memused\": %llu, "
"\"memused-percent\": %.2f, "
"\"buffers\": %llu, "
"\"cached\": %llu, "
"\"commit\": %llu, "
"\"commit-percent\": %.2f, "
"\"active\": %llu, "
"\"inactive\": %llu, "
"\"dirty\": %llu",
smc->frmkb,
smc->availablekb,
smc->tlmkb - nousedmem,
smc->tlmkb ?
SP_VALUE(nousedmem, smc->tlmkb, smc->tlmkb) :
0.0,
smc->bufkb,
smc->camkb,
smc->comkb,
(smc->tlmkb + smc->tlskb) ?
SP_VALUE(0, smc->comkb, smc->tlmkb + smc->tlskb) :
0.0,
smc->activekb,
smc->inactkb,
smc->dirtykb);
if (DISPLAY_MEM_ALL(a->opt_flags)) {
/* Display extended memory stats */
printf(", \"anonpg\": %llu, "
"\"slab\": %llu, "
"\"kstack\": %llu, "
"\"pgtbl\": %llu, "
"\"vmused\": %llu",
smc->anonpgkb,
smc->slabkb,
smc->kstackkb,
smc->pgtblkb,
smc->vmusedkb);
}
}
if (DISPLAY_SWAP(a->opt_flags)) {
if (sep) {
printf(", ");
}
sep = TRUE;
printf("\"swpfree\": %llu, "
"\"swpused\": %llu, "
"\"swpused-percent\": %.2f, "
"\"swpcad\": %llu, "
"\"swpcad-percent\": %.2f",
smc->frskb,
smc->tlskb - smc->frskb,
smc->tlskb ?
SP_VALUE(smc->frskb, smc->tlskb, smc->tlskb) :
0.0,
smc->caskb,
(smc->tlskb - smc->frskb) ?
SP_VALUE(0, smc->caskb, smc->tlskb - smc->frskb) :
0.0);
}
printf("}");
}
/*
***************************************************************************
* Display kernel tables statistics in JSON.
*
* IN:
* @a Activity structure with statistics.
* @curr Index in array for current sample statistics.
* @tab Indentation in output.
* @itv Interval of time in 1/100th of a second.
***************************************************************************
*/
__print_funct_t json_print_ktables_stats(struct activity *a, int curr, int tab,
unsigned long long itv)
{
struct stats_ktables
*skc = (struct stats_ktables *) a->buf[curr];
xprintf0(tab, "\"kernel\": {"
"\"dentunusd\": %llu, "
"\"file-nr\": %llu, "
"\"inode-nr\": %llu, "
"\"pty-nr\": %llu}",
skc->dentry_stat,
skc->file_used,
skc->inode_used,
skc->pty_nr);
}
/*
***************************************************************************
* Display queue and load statistics in JSON.
*
* IN:
* @a Activity structure with statistics.
* @curr Index in array for current sample statistics.
* @tab Indentation in output.
* @itv Interval of time in 1/100th of a second.
***************************************************************************
*/
__print_funct_t json_print_queue_stats(struct activity *a, int curr, int tab,
unsigned long long itv)
{
struct stats_queue
*sqc = (struct stats_queue *) a->buf[curr];
xprintf0(tab, "\"queue\": {"
"\"runq-sz\": %llu, "
"\"plist-sz\": %llu, "
"\"ldavg-1\": %.2f, "
"\"ldavg-5\": %.2f, "
"\"ldavg-15\": %.2f, "
"\"blocked\": %llu}",
sqc->nr_running,
sqc->nr_threads,
(double) sqc->load_avg_1 / 100,
(double) sqc->load_avg_5 / 100,
(double) sqc->load_avg_15 / 100,
sqc->procs_blocked);
}
/*
***************************************************************************
* Display serial lines statistics in JSON.
*
* IN:
* @a Activity structure with statistics.
* @curr Index in array for current sample statistics.
* @tab Indentation in output.
* @itv Interval of time in 1/100th of a second.
***************************************************************************
*/
__print_funct_t json_print_serial_stats(struct activity *a, int curr, int tab,
unsigned long long itv)
{
int i, j, j0, found;
struct stats_serial *ssc, *ssp;
int sep = FALSE;
xprintf(tab++, "\"serial\": [");
for (i = 0; i < a->nr[curr]; i++) {
found = FALSE;
if (a->nr[!curr] > 0) {
ssc = (struct stats_serial *) ((char *) a->buf[curr] + i * a->msize);
/* Look for corresponding serial line in previous iteration */
j = i;
if (j >= a->nr[!curr]) {
j = a->nr[!curr] - 1;
}
j0 = j;
do {
ssp = (struct stats_serial *) ((char *) a->buf[!curr] + j * a->msize);
if (ssc->line == ssp->line) {
found = TRUE;
break;
}
if (++j >= a->nr[!curr]) {
j = 0;
}
}
while (j != j0);
}
if (!found)
continue;
if (sep) {
printf(",\n");
}
sep = TRUE;
xprintf0(tab, "{\"line\": %d, "
"\"rcvin\": %.2f, "
"\"xmtin\": %.2f, "
"\"framerr\": %.2f, "
"\"prtyerr\": %.2f, "
"\"brk\": %.2f, "
"\"ovrun\": %.2f}",
ssc->line,
S_VALUE(ssp->rx, ssc->rx, itv),
S_VALUE(ssp->tx, ssc->tx, itv),
S_VALUE(ssp->frame, ssc->frame, itv),
S_VALUE(ssp->parity, ssc->parity, itv),
S_VALUE(ssp->brk, ssc->brk, itv),
S_VALUE(ssp->overrun, ssc->overrun, itv));
}
printf("\n");
xprintf0(--tab, "]");
}
/*
***************************************************************************
* Display disks statistics in JSON.
*
* IN:
* @a Activity structure with statistics.
* @curr Index in array for current sample statistics.
* @tab Indentation in output.
* @itv Interval of time in 1/100th of a second.
***************************************************************************
*/
__print_funct_t json_print_disk_stats(struct activity *a, int curr, int tab,
unsigned long long itv)
{
int i, j;
struct stats_disk *sdc, *sdp, sdpzero;
struct ext_disk_stats xds;
int sep = FALSE;
char *dev_name;
memset(&sdpzero, 0, STATS_DISK_SIZE);
xprintf(tab++, "\"disk\": [");
for (i = 0; i < a->nr[curr]; i++) {
sdc = (struct stats_disk *) ((char *) a->buf[curr] + i * a->msize);
j = check_disk_reg(a, curr, !curr, i);
if (j < 0) {
/* This is a newly registered interface. Previous stats are zero */
sdp = &sdpzero;
}
else {
sdp = (struct stats_disk *) ((char *) a->buf[!curr] + j * a->msize);
}
/* Get device name */
dev_name = get_sa_devname(sdc->major, sdc->minor,
sdc->wwn, sdc->part_nr, flags);
if (a->item_list != NULL) {
/* A list of devices has been entered on the command line */
if (!search_list_item(a->item_list, dev_name))
/* Device not found */
continue;
}
/* Compute extended statistics values */
compute_ext_disk_stats(sdc, sdp, itv, &xds);
if (sep) {
printf(",\n");
}
sep = TRUE;
xprintf0(tab, "{\"disk-device\": \"%s\", "
"\"tps\": %.2f, "
"\"rd_sec\": %.2f, "
"\"wr_sec\": %.2f, "
"\"dc_sec\": %.2f, "
"\"rkB\": %.2f, "
"\"wkB\": %.2f, "
"\"dkB\": %.2f, "
"\"avgrq-sz\": %.2f, "
"\"areq-sz\": %.2f, "
"\"avgqu-sz\": %.2f, "
"\"aqu-sz\": %.2f, "
"\"await\": %.2f, "
"\"util-percent\": %.2f}",
/* Confusion possible here between index and minor numbers */
dev_name,
S_VALUE(sdp->nr_ios, sdc->nr_ios, itv),
S_VALUE(sdp->rd_sect, sdc->rd_sect, itv), /* Unit = sectors (for backward compatibility) */
S_VALUE(sdp->wr_sect, sdc->wr_sect, itv),
S_VALUE(sdp->dc_sect, sdc->dc_sect, itv),
S_VALUE(sdp->rd_sect, sdc->rd_sect, itv) / 2,
S_VALUE(sdp->wr_sect, sdc->wr_sect, itv) / 2,
S_VALUE(sdp->dc_sect, sdc->dc_sect, itv) / 2,
/* See iostat for explanations */
xds.arqsz, /* Unit = sectors (for backward compatibility) */
xds.arqsz / 2,
S_VALUE(sdp->rq_ticks, sdc->rq_ticks, itv) / 1000.0, /* For backward compatibility */
S_VALUE(sdp->rq_ticks, sdc->rq_ticks, itv) / 1000.0,
xds.await,
xds.util / 10.0);
}
printf("\n");
xprintf0(--tab, "]");
}
/*
***************************************************************************
* Display network interfaces statistics in JSON.
*
* IN:
* @a Activity structure with statistics.
* @curr Index in array for current sample statistics.
* @tab Indentation in output.
* @itv Interval of time in 1/100th of a second.
***************************************************************************
*/
__print_funct_t json_print_net_dev_stats(struct activity *a, int curr, int tab,
unsigned long long itv)
{
int i, j;
struct stats_net_dev *sndc, *sndp, sndzero;
int sep = FALSE;
double rxkb, txkb, ifutil;
memset(&sndzero, 0, STATS_NET_DEV_SIZE);
if (!IS_SELECTED(a->options) || (a->nr[curr] <= 0))
goto close_json_markup;
json_markup_network(tab, OPEN_JSON_MARKUP);
tab++;
xprintf(tab++, "\"net-dev\": [");
for (i = 0; i < a->nr[curr]; i++) {
sndc = (struct stats_net_dev *) ((char *) a->buf[curr] + i * a->msize);
if (a->item_list != NULL) {
/* A list of devices has been entered on the command line */
if (!search_list_item(a->item_list, sndc->interface))
/* Device not found */
continue;
}
j = check_net_dev_reg(a, curr, !curr, i);
if (j < 0) {
/* This is a newly registered interface. Previous stats are zero */
sndp = &sndzero;
}
else {
sndp = (struct stats_net_dev *) ((char *) a->buf[!curr] + j * a->msize);
}
if (sep) {
printf(",\n");
}
sep = TRUE;
rxkb = S_VALUE(sndp->rx_bytes, sndc->rx_bytes, itv);
txkb = S_VALUE(sndp->tx_bytes, sndc->tx_bytes, itv);
ifutil = compute_ifutil(sndc, rxkb, txkb);
xprintf0(tab, "{\"iface\": \"%s\", "
"\"rxpck\": %.2f, "
"\"txpck\": %.2f, "
"\"rxkB\": %.2f, "
"\"txkB\": %.2f, "
"\"rxcmp\": %.2f, "
"\"txcmp\": %.2f, "
"\"rxmcst\": %.2f, "
"\"ifutil-percent\": %.2f}",
sndc->interface,
S_VALUE(sndp->rx_packets, sndc->rx_packets, itv),
S_VALUE(sndp->tx_packets, sndc->tx_packets, itv),
rxkb / 1024,
txkb / 1024,
S_VALUE(sndp->rx_compressed, sndc->rx_compressed, itv),
S_VALUE(sndp->tx_compressed, sndc->tx_compressed, itv),
S_VALUE(sndp->multicast, sndc->multicast, itv),
ifutil);
}
printf("\n");
xprintf0(--tab, "]");
tab--;
close_json_markup:
if (CLOSE_MARKUP(a->options)) {
json_markup_network(tab, CLOSE_JSON_MARKUP);
}
}
/*
***************************************************************************
* Display network interfaces errors statistics in JSON.
*
* IN:
* @a Activity structure with statistics.
* @curr Index in array for current sample statistics.
* @tab Indentation in output.
* @itv Interval of time in 1/100th of a second.
***************************************************************************
*/
__print_funct_t json_print_net_edev_stats(struct activity *a, int curr, int tab,
unsigned long long itv)
{
int i, j;
struct stats_net_edev *snedc, *snedp, snedzero;
int sep = FALSE;
if (!IS_SELECTED(a->options) || (a->nr[curr] <= 0))
goto close_json_markup;
memset(&snedzero, 0, STATS_NET_EDEV_SIZE);
json_markup_network(tab, OPEN_JSON_MARKUP);
tab++;
xprintf(tab++, "\"net-edev\": [");
for (i = 0; i < a->nr[curr]; i++) {
snedc = (struct stats_net_edev *) ((char *) a->buf[curr] + i * a->msize);
if (a->item_list != NULL) {
/* A list of devices has been entered on the command line */
if (!search_list_item(a->item_list, snedc->interface))
/* Device not found */
continue;
}
j = check_net_edev_reg(a, curr, !curr, i);
if (j < 0) {
/* This is a newly registered interface. Previous stats are zero */
snedp = &snedzero;
}
else {
snedp = (struct stats_net_edev *) ((char *) a->buf[!curr] + j * a->msize);
}
if (sep) {
printf(",\n");
}
sep = TRUE;
xprintf0(tab, "{\"iface\": \"%s\", "
"\"rxerr\": %.2f, "
"\"txerr\": %.2f, "
"\"coll\": %.2f, "
"\"rxdrop\": %.2f, "
"\"txdrop\": %.2f, "
"\"txcarr\": %.2f, "
"\"rxfram\": %.2f, "
"\"rxfifo\": %.2f, "
"\"txfifo\": %.2f}",
snedc->interface,
S_VALUE(snedp->rx_errors, snedc->rx_errors, itv),
S_VALUE(snedp->tx_errors, snedc->tx_errors, itv),
S_VALUE(snedp->collisions, snedc->collisions, itv),
S_VALUE(snedp->rx_dropped, snedc->rx_dropped, itv),
S_VALUE(snedp->tx_dropped, snedc->tx_dropped, itv),
S_VALUE(snedp->tx_carrier_errors, snedc->tx_carrier_errors, itv),
S_VALUE(snedp->rx_frame_errors, snedc->rx_frame_errors, itv),
S_VALUE(snedp->rx_fifo_errors, snedc->rx_fifo_errors, itv),
S_VALUE(snedp->tx_fifo_errors, snedc->tx_fifo_errors, itv));
}
printf("\n");
xprintf0(--tab, "]");
tab--;
close_json_markup:
if (CLOSE_MARKUP(a->options)) {
json_markup_network(tab, CLOSE_JSON_MARKUP);
}
}
/*
***************************************************************************
* Display NFS client statistics in JSON.
*
* IN:
* @a Activity structure with statistics.
* @curr Index in array for current sample statistics.