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freebsd_devstat.c
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// SPDX-License-Identifier: GPL-3.0-or-later
#include "plugin_freebsd.h"
#include <sys/devicestat.h>
struct disk {
char *name;
uint32_t hash;
size_t len;
// flags
int configured;
int enabled;
int updated;
int do_io;
int do_ops;
int do_qops;
int do_util;
int do_iotime;
int do_await;
int do_avagsz;
int do_svctm;
// data for differential charts
struct prev_dstat {
collected_number bytes_read;
collected_number bytes_write;
collected_number bytes_free;
collected_number operations_read;
collected_number operations_write;
collected_number operations_other;
collected_number operations_free;
collected_number duration_read_ms;
collected_number duration_write_ms;
collected_number duration_other_ms;
collected_number duration_free_ms;
collected_number busy_time_ms;
} prev_dstat;
// charts and dimensions
RRDSET *st_io;
RRDDIM *rd_io_in;
RRDDIM *rd_io_out;
RRDDIM *rd_io_free;
RRDSET *st_ops;
RRDDIM *rd_ops_in;
RRDDIM *rd_ops_out;
RRDDIM *rd_ops_other;
RRDDIM *rd_ops_free;
RRDSET *st_qops;
RRDDIM *rd_qops;
RRDSET *st_util;
RRDDIM *rd_util;
RRDSET *st_iotime;
RRDDIM *rd_iotime_in;
RRDDIM *rd_iotime_out;
RRDDIM *rd_iotime_other;
RRDDIM *rd_iotime_free;
RRDSET *st_await;
RRDDIM *rd_await_in;
RRDDIM *rd_await_out;
RRDDIM *rd_await_other;
RRDDIM *rd_await_free;
RRDSET *st_avagsz;
RRDDIM *rd_avagsz_in;
RRDDIM *rd_avagsz_out;
RRDDIM *rd_avagsz_free;
RRDSET *st_svctm;
RRDDIM *rd_svctm;
struct disk *next;
};
static struct disk *disks_root = NULL, *disks_last_used = NULL;
static size_t disks_added = 0, disks_found = 0;
static void disk_free(struct disk *dm) {
if (likely(dm->st_io))
rrdset_is_obsolete(dm->st_io);
if (likely(dm->st_ops))
rrdset_is_obsolete(dm->st_ops);
if (likely(dm->st_qops))
rrdset_is_obsolete(dm->st_qops);
if (likely(dm->st_util))
rrdset_is_obsolete(dm->st_util);
if (likely(dm->st_iotime))
rrdset_is_obsolete(dm->st_iotime);
if (likely(dm->st_await))
rrdset_is_obsolete(dm->st_await);
if (likely(dm->st_avagsz))
rrdset_is_obsolete(dm->st_avagsz);
if (likely(dm->st_svctm))
rrdset_is_obsolete(dm->st_svctm);
disks_added--;
freez(dm->name);
freez(dm);
}
static void disks_cleanup() {
if (likely(disks_found == disks_added)) return;
struct disk *dm = disks_root, *last = NULL;
while(dm) {
if (unlikely(!dm->updated)) {
// info("Removing disk '%s', linked after '%s'", dm->name, last?last->name:"ROOT");
if (disks_last_used == dm)
disks_last_used = last;
struct disk *t = dm;
if (dm == disks_root || !last)
disks_root = dm = dm->next;
else
last->next = dm = dm->next;
t->next = NULL;
disk_free(t);
}
else {
last = dm;
dm->updated = 0;
dm = dm->next;
}
}
}
static struct disk *get_disk(const char *name) {
struct disk *dm;
uint32_t hash = simple_hash(name);
// search it, from the last position to the end
for(dm = disks_last_used ; dm ; dm = dm->next) {
if (unlikely(hash == dm->hash && !strcmp(name, dm->name))) {
disks_last_used = dm->next;
return dm;
}
}
// search it from the beginning to the last position we used
for(dm = disks_root ; dm != disks_last_used ; dm = dm->next) {
if (unlikely(hash == dm->hash && !strcmp(name, dm->name))) {
disks_last_used = dm->next;
return dm;
}
}
// create a new one
dm = callocz(1, sizeof(struct disk));
dm->name = strdupz(name);
dm->hash = simple_hash(dm->name);
dm->len = strlen(dm->name);
disks_added++;
// link it to the end
if (disks_root) {
struct disk *e;
for(e = disks_root; e->next ; e = e->next) ;
e->next = dm;
}
else
disks_root = dm;
return dm;
}
// --------------------------------------------------------------------------------------------------------------------
// kern.devstat
int do_kern_devstat(int update_every, usec_t dt) {
#define DELAULT_EXLUDED_DISKS ""
#define CONFIG_SECTION_KERN_DEVSTAT "plugin:freebsd:kern.devstat"
#define BINTIME_SCALE 5.42101086242752217003726400434970855712890625e-17 // this is 1000/2^64
static int enable_new_disks = -1;
static int enable_pass_devices = -1, do_system_io = -1, do_io = -1, do_ops = -1, do_qops = -1, do_util = -1,
do_iotime = -1, do_await = -1, do_avagsz = -1, do_svctm = -1;
static SIMPLE_PATTERN *excluded_disks = NULL;
if (unlikely(enable_new_disks == -1)) {
enable_new_disks = config_get_boolean_ondemand(CONFIG_SECTION_KERN_DEVSTAT,
"enable new disks detected at runtime", CONFIG_BOOLEAN_AUTO);
enable_pass_devices = config_get_boolean_ondemand(CONFIG_SECTION_KERN_DEVSTAT,
"performance metrics for pass devices", CONFIG_BOOLEAN_AUTO);
do_system_io = config_get_boolean_ondemand(CONFIG_SECTION_KERN_DEVSTAT, "total bandwidth for all disks",
CONFIG_BOOLEAN_YES);
do_io = config_get_boolean_ondemand(CONFIG_SECTION_KERN_DEVSTAT, "bandwidth for all disks",
CONFIG_BOOLEAN_AUTO);
do_ops = config_get_boolean_ondemand(CONFIG_SECTION_KERN_DEVSTAT, "operations for all disks",
CONFIG_BOOLEAN_AUTO);
do_qops = config_get_boolean_ondemand(CONFIG_SECTION_KERN_DEVSTAT, "queued operations for all disks",
CONFIG_BOOLEAN_AUTO);
do_util = config_get_boolean_ondemand(CONFIG_SECTION_KERN_DEVSTAT, "utilization percentage for all disks",
CONFIG_BOOLEAN_AUTO);
do_iotime = config_get_boolean_ondemand(CONFIG_SECTION_KERN_DEVSTAT, "i/o time for all disks",
CONFIG_BOOLEAN_AUTO);
do_await = config_get_boolean_ondemand(CONFIG_SECTION_KERN_DEVSTAT, "average completed i/o time for all disks",
CONFIG_BOOLEAN_AUTO);
do_avagsz = config_get_boolean_ondemand(CONFIG_SECTION_KERN_DEVSTAT, "average completed i/o bandwidth for all disks",
CONFIG_BOOLEAN_AUTO);
do_svctm = config_get_boolean_ondemand(CONFIG_SECTION_KERN_DEVSTAT, "average service time for all disks",
CONFIG_BOOLEAN_AUTO);
excluded_disks = simple_pattern_create(
config_get(CONFIG_SECTION_KERN_DEVSTAT, "disable by default disks matching", DELAULT_EXLUDED_DISKS)
, NULL
, SIMPLE_PATTERN_EXACT
);
}
if (likely(do_system_io || do_io || do_ops || do_qops || do_util || do_iotime || do_await || do_avagsz || do_svctm)) {
static int mib_numdevs[3] = {0, 0, 0};
int numdevs;
int common_error = 0;
if (unlikely(GETSYSCTL_SIMPLE("kern.devstat.numdevs", mib_numdevs, numdevs))) {
common_error = 1;
} else {
static int mib_devstat[3] = {0, 0, 0};
static void *devstat_data = NULL;
static int old_numdevs = 0;
if (unlikely(numdevs != old_numdevs)) {
devstat_data = reallocz(devstat_data, sizeof(long) + sizeof(struct devstat) *
numdevs); // there is generation number before devstat structures
old_numdevs = numdevs;
}
if (unlikely(GETSYSCTL_WSIZE("kern.devstat.all", mib_devstat, devstat_data,
sizeof(long) + sizeof(struct devstat) * numdevs))) {
common_error = 1;
} else {
struct devstat *dstat;
int i;
collected_number total_disk_kbytes_read = 0;
collected_number total_disk_kbytes_write = 0;
disks_found = 0;
dstat = (struct devstat*)((char*)devstat_data + sizeof(long)); // skip generation number
for (i = 0; i < numdevs; i++) {
if (likely(do_system_io)) {
if (((dstat[i].device_type & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT) ||
((dstat[i].device_type & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_STORARRAY)) {
total_disk_kbytes_read += dstat[i].bytes[DEVSTAT_READ] / KILO_FACTOR;
total_disk_kbytes_write += dstat[i].bytes[DEVSTAT_WRITE] / KILO_FACTOR;
}
}
if (unlikely(!enable_pass_devices))
if ((dstat[i].device_type & DEVSTAT_TYPE_PASS) == DEVSTAT_TYPE_PASS)
continue;
if (((dstat[i].device_type & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT) ||
((dstat[i].device_type & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_STORARRAY)) {
char disk[DEVSTAT_NAME_LEN + MAX_INT_DIGITS + 1];
struct cur_dstat {
collected_number duration_read_ms;
collected_number duration_write_ms;
collected_number duration_other_ms;
collected_number duration_free_ms;
collected_number busy_time_ms;
} cur_dstat;
sprintf(disk, "%s%d", dstat[i].device_name, dstat[i].unit_number);
struct disk *dm = get_disk(disk);
dm->updated = 1;
disks_found++;
if(unlikely(!dm->configured)) {
char var_name[4096 + 1];
// this is the first time we see this disk
// remember we configured it
dm->configured = 1;
dm->enabled = enable_new_disks;
if (likely(dm->enabled))
dm->enabled = !simple_pattern_matches(excluded_disks, disk);
snprintfz(var_name, 4096, "%s:%s", CONFIG_SECTION_KERN_DEVSTAT, disk);
dm->enabled = config_get_boolean_ondemand(var_name, "enabled", dm->enabled);
dm->do_io = config_get_boolean_ondemand(var_name, "bandwidth", do_io);
dm->do_ops = config_get_boolean_ondemand(var_name, "operations", do_ops);
dm->do_qops = config_get_boolean_ondemand(var_name, "queued operations", do_qops);
dm->do_util = config_get_boolean_ondemand(var_name, "utilization percentage", do_util);
dm->do_iotime = config_get_boolean_ondemand(var_name, "i/o time", do_iotime);
dm->do_await = config_get_boolean_ondemand(var_name, "average completed i/o time",
do_await);
dm->do_avagsz = config_get_boolean_ondemand(var_name, "average completed i/o bandwidth",
do_avagsz);
dm->do_svctm = config_get_boolean_ondemand(var_name, "average service time", do_svctm);
// initialise data for differential charts
dm->prev_dstat.bytes_read = dstat[i].bytes[DEVSTAT_READ];
dm->prev_dstat.bytes_write = dstat[i].bytes[DEVSTAT_WRITE];
dm->prev_dstat.bytes_free = dstat[i].bytes[DEVSTAT_FREE];
dm->prev_dstat.operations_read = dstat[i].operations[DEVSTAT_READ];
dm->prev_dstat.operations_write = dstat[i].operations[DEVSTAT_WRITE];
dm->prev_dstat.operations_other = dstat[i].operations[DEVSTAT_NO_DATA];
dm->prev_dstat.operations_free = dstat[i].operations[DEVSTAT_FREE];
dm->prev_dstat.duration_read_ms = dstat[i].duration[DEVSTAT_READ].sec * 1000
+ dstat[i].duration[DEVSTAT_READ].frac * BINTIME_SCALE;
dm->prev_dstat.duration_write_ms = dstat[i].duration[DEVSTAT_WRITE].sec * 1000
+ dstat[i].duration[DEVSTAT_WRITE].frac * BINTIME_SCALE;
dm->prev_dstat.duration_other_ms = dstat[i].duration[DEVSTAT_NO_DATA].sec * 1000
+ dstat[i].duration[DEVSTAT_NO_DATA].frac * BINTIME_SCALE;
dm->prev_dstat.duration_free_ms = dstat[i].duration[DEVSTAT_FREE].sec * 1000
+ dstat[i].duration[DEVSTAT_FREE].frac * BINTIME_SCALE;
dm->prev_dstat.busy_time_ms = dstat[i].busy_time.sec * 1000
+ dstat[i].busy_time.frac * BINTIME_SCALE;
}
cur_dstat.duration_read_ms = dstat[i].duration[DEVSTAT_READ].sec * 1000
+ dstat[i].duration[DEVSTAT_READ].frac * BINTIME_SCALE;
cur_dstat.duration_write_ms = dstat[i].duration[DEVSTAT_WRITE].sec * 1000
+ dstat[i].duration[DEVSTAT_WRITE].frac * BINTIME_SCALE;
cur_dstat.duration_other_ms = dstat[i].duration[DEVSTAT_NO_DATA].sec * 1000
+ dstat[i].duration[DEVSTAT_NO_DATA].frac * BINTIME_SCALE;
cur_dstat.duration_free_ms = dstat[i].duration[DEVSTAT_FREE].sec * 1000
+ dstat[i].duration[DEVSTAT_FREE].frac * BINTIME_SCALE;
cur_dstat.busy_time_ms = dstat[i].busy_time.sec * 1000 + dstat[i].busy_time.frac * BINTIME_SCALE;
// --------------------------------------------------------------------
if(dm->do_io == CONFIG_BOOLEAN_YES || (dm->do_io == CONFIG_BOOLEAN_AUTO &&
(dstat[i].bytes[DEVSTAT_READ] ||
dstat[i].bytes[DEVSTAT_WRITE] ||
dstat[i].bytes[DEVSTAT_FREE] ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
if (unlikely(!dm->st_io)) {
dm->st_io = rrdset_create_localhost("disk",
disk,
NULL,
disk,
"disk.io",
"Disk I/O Bandwidth",
"KiB/s",
"freebsd.plugin",
"devstat",
NETDATA_CHART_PRIO_DISK_IO,
update_every,
RRDSET_TYPE_AREA
);
dm->rd_io_in = rrddim_add(dm->st_io, "reads", NULL, 1, KILO_FACTOR,
RRD_ALGORITHM_INCREMENTAL);
dm->rd_io_out = rrddim_add(dm->st_io, "writes", NULL, -1, KILO_FACTOR,
RRD_ALGORITHM_INCREMENTAL);
dm->rd_io_free = rrddim_add(dm->st_io, "frees", NULL, -1, KILO_FACTOR,
RRD_ALGORITHM_INCREMENTAL);
} else
rrdset_next(dm->st_io);
rrddim_set_by_pointer(dm->st_io, dm->rd_io_in, dstat[i].bytes[DEVSTAT_READ]);
rrddim_set_by_pointer(dm->st_io, dm->rd_io_out, dstat[i].bytes[DEVSTAT_WRITE]);
rrddim_set_by_pointer(dm->st_io, dm->rd_io_free, dstat[i].bytes[DEVSTAT_FREE]);
rrdset_done(dm->st_io);
}
// --------------------------------------------------------------------
if(dm->do_ops == CONFIG_BOOLEAN_YES || (dm->do_ops == CONFIG_BOOLEAN_AUTO &&
(dstat[i].operations[DEVSTAT_READ] ||
dstat[i].operations[DEVSTAT_WRITE] ||
dstat[i].operations[DEVSTAT_NO_DATA] ||
dstat[i].operations[DEVSTAT_FREE] ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
if (unlikely(!dm->st_ops)) {
dm->st_ops = rrdset_create_localhost("disk_ops",
disk,
NULL,
disk,
"disk.ops",
"Disk Completed I/O Operations",
"operations/s",
"freebsd.plugin",
"devstat",
NETDATA_CHART_PRIO_DISK_OPS,
update_every,
RRDSET_TYPE_LINE
);
rrdset_flag_set(dm->st_ops, RRDSET_FLAG_DETAIL);
dm->rd_ops_in = rrddim_add(dm->st_ops, "reads", NULL, 1, 1,
RRD_ALGORITHM_INCREMENTAL);
dm->rd_ops_out = rrddim_add(dm->st_ops, "writes", NULL, -1, 1,
RRD_ALGORITHM_INCREMENTAL);
dm->rd_ops_other = rrddim_add(dm->st_ops, "other", NULL, 1, 1,
RRD_ALGORITHM_INCREMENTAL);
dm->rd_ops_free = rrddim_add(dm->st_ops, "frees", NULL, -1, 1,
RRD_ALGORITHM_INCREMENTAL);
} else
rrdset_next(dm->st_ops);
rrddim_set_by_pointer(dm->st_ops, dm->rd_ops_in, dstat[i].operations[DEVSTAT_READ]);
rrddim_set_by_pointer(dm->st_ops, dm->rd_ops_out, dstat[i].operations[DEVSTAT_WRITE]);
rrddim_set_by_pointer(dm->st_ops, dm->rd_ops_other, dstat[i].operations[DEVSTAT_NO_DATA]);
rrddim_set_by_pointer(dm->st_ops, dm->rd_ops_free, dstat[i].operations[DEVSTAT_FREE]);
rrdset_done(dm->st_ops);
}
// --------------------------------------------------------------------
if(dm->do_qops == CONFIG_BOOLEAN_YES || (dm->do_qops == CONFIG_BOOLEAN_AUTO &&
(dstat[i].start_count ||
dstat[i].end_count ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
if (unlikely(!dm->st_qops)) {
dm->st_qops = rrdset_create_localhost("disk_qops",
disk,
NULL,
disk,
"disk.qops",
"Disk Current I/O Operations",
"operations",
"freebsd.plugin",
"devstat",
NETDATA_CHART_PRIO_DISK_QOPS,
update_every,
RRDSET_TYPE_LINE
);
rrdset_flag_set(dm->st_qops, RRDSET_FLAG_DETAIL);
dm->rd_qops = rrddim_add(dm->st_qops, "operations", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
} else
rrdset_next(dm->st_qops);
rrddim_set_by_pointer(dm->st_qops, dm->rd_qops, dstat[i].start_count - dstat[i].end_count);
rrdset_done(dm->st_qops);
}
// --------------------------------------------------------------------
if(dm->do_util == CONFIG_BOOLEAN_YES || (dm->do_util == CONFIG_BOOLEAN_AUTO &&
(cur_dstat.busy_time_ms ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
if (unlikely(!dm->st_util)) {
dm->st_util = rrdset_create_localhost("disk_util",
disk,
NULL,
disk,
"disk.util",
"Disk Utilization Time",
"% of time working",
"freebsd.plugin",
"devstat",
NETDATA_CHART_PRIO_DISK_UTIL,
update_every,
RRDSET_TYPE_AREA
);
rrdset_flag_set(dm->st_util, RRDSET_FLAG_DETAIL);
dm->rd_util = rrddim_add(dm->st_util, "utilization", NULL, 1, 10,
RRD_ALGORITHM_INCREMENTAL);
} else
rrdset_next(dm->st_util);
rrddim_set_by_pointer(dm->st_util, dm->rd_util, cur_dstat.busy_time_ms);
rrdset_done(dm->st_util);
}
// --------------------------------------------------------------------
if(dm->do_iotime == CONFIG_BOOLEAN_YES || (dm->do_iotime == CONFIG_BOOLEAN_AUTO &&
(cur_dstat.duration_read_ms ||
cur_dstat.duration_write_ms ||
cur_dstat.duration_other_ms ||
cur_dstat.duration_free_ms ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
if (unlikely(!dm->st_iotime)) {
dm->st_iotime = rrdset_create_localhost("disk_iotime",
disk,
NULL,
disk,
"disk.iotime",
"Disk Total I/O Time",
"milliseconds/s",
"freebsd.plugin",
"devstat",
NETDATA_CHART_PRIO_DISK_IOTIME,
update_every,
RRDSET_TYPE_LINE
);
rrdset_flag_set(dm->st_iotime, RRDSET_FLAG_DETAIL);
dm->rd_iotime_in = rrddim_add(dm->st_iotime, "reads", NULL, 1, 1,
RRD_ALGORITHM_INCREMENTAL);
dm->rd_iotime_out = rrddim_add(dm->st_iotime, "writes", NULL, -1, 1,
RRD_ALGORITHM_INCREMENTAL);
dm->rd_iotime_other = rrddim_add(dm->st_iotime, "other", NULL, 1, 1,
RRD_ALGORITHM_INCREMENTAL);
dm->rd_iotime_free = rrddim_add(dm->st_iotime, "frees", NULL, -1, 1,
RRD_ALGORITHM_INCREMENTAL);
} else
rrdset_next(dm->st_iotime);
rrddim_set_by_pointer(dm->st_iotime, dm->rd_iotime_in, cur_dstat.duration_read_ms);
rrddim_set_by_pointer(dm->st_iotime, dm->rd_iotime_out, cur_dstat.duration_write_ms);
rrddim_set_by_pointer(dm->st_iotime, dm->rd_iotime_other, cur_dstat.duration_other_ms);
rrddim_set_by_pointer(dm->st_iotime, dm->rd_iotime_free, cur_dstat.duration_free_ms);
rrdset_done(dm->st_iotime);
}
// --------------------------------------------------------------------
// calculate differential charts
// only if this is not the first time we run
if (likely(dt)) {
// --------------------------------------------------------------------
if(dm->do_await == CONFIG_BOOLEAN_YES || (dm->do_await == CONFIG_BOOLEAN_AUTO &&
(dstat[i].operations[DEVSTAT_READ] ||
dstat[i].operations[DEVSTAT_WRITE] ||
dstat[i].operations[DEVSTAT_NO_DATA] ||
dstat[i].operations[DEVSTAT_FREE] ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
if (unlikely(!dm->st_await)) {
dm->st_await = rrdset_create_localhost("disk_await",
disk,
NULL,
disk,
"disk.await",
"Average Completed I/O Operation Time",
"milliseconds/operation",
"freebsd.plugin",
"devstat",
NETDATA_CHART_PRIO_DISK_AWAIT,
update_every,
RRDSET_TYPE_LINE
);
rrdset_flag_set(dm->st_await, RRDSET_FLAG_DETAIL);
dm->rd_await_in = rrddim_add(dm->st_await, "reads", NULL, 1, 1,
RRD_ALGORITHM_ABSOLUTE);
dm->rd_await_out = rrddim_add(dm->st_await, "writes", NULL, -1, 1,
RRD_ALGORITHM_ABSOLUTE);
dm->rd_await_other = rrddim_add(dm->st_await, "other", NULL, 1, 1,
RRD_ALGORITHM_ABSOLUTE);
dm->rd_await_free = rrddim_add(dm->st_await, "frees", NULL, -1, 1,
RRD_ALGORITHM_ABSOLUTE);
} else
rrdset_next(dm->st_await);
rrddim_set_by_pointer(dm->st_await, dm->rd_await_in,
(dstat[i].operations[DEVSTAT_READ] -
dm->prev_dstat.operations_read) ?
(cur_dstat.duration_read_ms - dm->prev_dstat.duration_read_ms) /
(dstat[i].operations[DEVSTAT_READ] -
dm->prev_dstat.operations_read) :
0);
rrddim_set_by_pointer(dm->st_await, dm->rd_await_out,
(dstat[i].operations[DEVSTAT_WRITE] -
dm->prev_dstat.operations_write) ?
(cur_dstat.duration_write_ms - dm->prev_dstat.duration_write_ms) /
(dstat[i].operations[DEVSTAT_WRITE] -
dm->prev_dstat.operations_write) :
0);
rrddim_set_by_pointer(dm->st_await, dm->rd_await_other,
(dstat[i].operations[DEVSTAT_NO_DATA] -
dm->prev_dstat.operations_other) ?
(cur_dstat.duration_other_ms - dm->prev_dstat.duration_other_ms) /
(dstat[i].operations[DEVSTAT_NO_DATA] -
dm->prev_dstat.operations_other) :
0);
rrddim_set_by_pointer(dm->st_await, dm->rd_await_free,
(dstat[i].operations[DEVSTAT_FREE] -
dm->prev_dstat.operations_free) ?
(cur_dstat.duration_free_ms - dm->prev_dstat.duration_free_ms) /
(dstat[i].operations[DEVSTAT_FREE] -
dm->prev_dstat.operations_free) :
0);
rrdset_done(dm->st_await);
}
// --------------------------------------------------------------------
if(dm->do_avagsz == CONFIG_BOOLEAN_YES || (dm->do_avagsz == CONFIG_BOOLEAN_AUTO &&
(dstat[i].operations[DEVSTAT_READ] ||
dstat[i].operations[DEVSTAT_WRITE] ||
dstat[i].operations[DEVSTAT_FREE] ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
if (unlikely(!dm->st_avagsz)) {
dm->st_avagsz = rrdset_create_localhost("disk_avgsz",
disk,
NULL,
disk,
"disk.avgsz",
"Average Completed I/O Operation Bandwidth",
"KiB/operation",
"freebsd.plugin",
"devstat",
NETDATA_CHART_PRIO_DISK_AVGSZ,
update_every,
RRDSET_TYPE_AREA
);
rrdset_flag_set(dm->st_avagsz, RRDSET_FLAG_DETAIL);
dm->rd_avagsz_in = rrddim_add(dm->st_avagsz, "reads", NULL, 1, KILO_FACTOR,
RRD_ALGORITHM_ABSOLUTE);
dm->rd_avagsz_out = rrddim_add(dm->st_avagsz, "writes", NULL, -1, KILO_FACTOR,
RRD_ALGORITHM_ABSOLUTE);
dm->rd_avagsz_free = rrddim_add(dm->st_avagsz, "frees", NULL, -1, KILO_FACTOR,
RRD_ALGORITHM_ABSOLUTE);
} else
rrdset_next(dm->st_avagsz);
rrddim_set_by_pointer(dm->st_avagsz, dm->rd_avagsz_in,
(dstat[i].operations[DEVSTAT_READ] -
dm->prev_dstat.operations_read) ?
(dstat[i].bytes[DEVSTAT_READ] - dm->prev_dstat.bytes_read) /
(dstat[i].operations[DEVSTAT_READ] -
dm->prev_dstat.operations_read) :
0);
rrddim_set_by_pointer(dm->st_avagsz, dm->rd_avagsz_out,
(dstat[i].operations[DEVSTAT_WRITE] -
dm->prev_dstat.operations_write) ?
(dstat[i].bytes[DEVSTAT_WRITE] - dm->prev_dstat.bytes_write) /
(dstat[i].operations[DEVSTAT_WRITE] -
dm->prev_dstat.operations_write) :
0);
rrddim_set_by_pointer(dm->st_avagsz, dm->rd_avagsz_free,
(dstat[i].operations[DEVSTAT_FREE] -
dm->prev_dstat.operations_free) ?
(dstat[i].bytes[DEVSTAT_FREE] - dm->prev_dstat.bytes_free) /
(dstat[i].operations[DEVSTAT_FREE] -
dm->prev_dstat.operations_free) :
0);
rrdset_done(dm->st_avagsz);
}
// --------------------------------------------------------------------
if(dm->do_svctm == CONFIG_BOOLEAN_YES || (dm->do_svctm == CONFIG_BOOLEAN_AUTO &&
(dstat[i].operations[DEVSTAT_READ] ||
dstat[i].operations[DEVSTAT_WRITE] ||
dstat[i].operations[DEVSTAT_NO_DATA] ||
dstat[i].operations[DEVSTAT_FREE] ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
if (unlikely(!dm->st_svctm)) {
dm->st_svctm = rrdset_create_localhost("disk_svctm",
disk,
NULL,
disk,
"disk.svctm",
"Average Service Time",
"milliseconds/operation",
"freebsd.plugin",
"devstat",
NETDATA_CHART_PRIO_DISK_SVCTM,
update_every,
RRDSET_TYPE_LINE
);
rrdset_flag_set(dm->st_svctm, RRDSET_FLAG_DETAIL);
dm->rd_svctm = rrddim_add(dm->st_svctm, "svctm", NULL, 1, 1,
RRD_ALGORITHM_ABSOLUTE);
} else
rrdset_next(dm->st_svctm);
rrddim_set_by_pointer(dm->st_svctm, dm->rd_svctm,
((dstat[i].operations[DEVSTAT_READ] - dm->prev_dstat.operations_read) +
(dstat[i].operations[DEVSTAT_WRITE] - dm->prev_dstat.operations_write) +
(dstat[i].operations[DEVSTAT_NO_DATA] - dm->prev_dstat.operations_other) +
(dstat[i].operations[DEVSTAT_FREE] - dm->prev_dstat.operations_free)) ?
(cur_dstat.busy_time_ms - dm->prev_dstat.busy_time_ms) /
((dstat[i].operations[DEVSTAT_READ] - dm->prev_dstat.operations_read) +
(dstat[i].operations[DEVSTAT_WRITE] - dm->prev_dstat.operations_write) +
(dstat[i].operations[DEVSTAT_NO_DATA] - dm->prev_dstat.operations_other) +
(dstat[i].operations[DEVSTAT_FREE] - dm->prev_dstat.operations_free)) :
0);
rrdset_done(dm->st_svctm);
}
// --------------------------------------------------------------------
dm->prev_dstat.bytes_read = dstat[i].bytes[DEVSTAT_READ];
dm->prev_dstat.bytes_write = dstat[i].bytes[DEVSTAT_WRITE];
dm->prev_dstat.bytes_free = dstat[i].bytes[DEVSTAT_FREE];
dm->prev_dstat.operations_read = dstat[i].operations[DEVSTAT_READ];
dm->prev_dstat.operations_write = dstat[i].operations[DEVSTAT_WRITE];
dm->prev_dstat.operations_other = dstat[i].operations[DEVSTAT_NO_DATA];
dm->prev_dstat.operations_free = dstat[i].operations[DEVSTAT_FREE];
dm->prev_dstat.duration_read_ms = cur_dstat.duration_read_ms;
dm->prev_dstat.duration_write_ms = cur_dstat.duration_write_ms;
dm->prev_dstat.duration_other_ms = cur_dstat.duration_other_ms;
dm->prev_dstat.duration_free_ms = cur_dstat.duration_free_ms;
dm->prev_dstat.busy_time_ms = cur_dstat.busy_time_ms;
}
}
}
// --------------------------------------------------------------------
if (likely(do_system_io)) {
static RRDSET *st = NULL;
static RRDDIM *rd_in = NULL, *rd_out = NULL;
if (unlikely(!st)) {
st = rrdset_create_localhost("system",
"io",
NULL,
"disk",
NULL,
"Disk I/O",
"KiB/s",
"freebsd.plugin",
"devstat",
NETDATA_CHART_PRIO_SYSTEM_IO,
update_every,
RRDSET_TYPE_AREA
);
rd_in = rrddim_add(st, "in", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_out = rrddim_add(st, "out", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
} else
rrdset_next(st);
rrddim_set_by_pointer(st, rd_in, total_disk_kbytes_read);
rrddim_set_by_pointer(st, rd_out, total_disk_kbytes_write);
rrdset_done(st);
}
}
}
if (unlikely(common_error)) {
do_system_io = 0;
error("DISABLED: system.io chart");
do_io = 0;
error("DISABLED: disk.* charts");
do_ops = 0;
error("DISABLED: disk_ops.* charts");
do_qops = 0;
error("DISABLED: disk_qops.* charts");
do_util = 0;
error("DISABLED: disk_util.* charts");
do_iotime = 0;
error("DISABLED: disk_iotime.* charts");
do_await = 0;
error("DISABLED: disk_await.* charts");
do_avagsz = 0;
error("DISABLED: disk_avgsz.* charts");
do_svctm = 0;
error("DISABLED: disk_svctm.* charts");
error("DISABLED: kern.devstat module");
return 1;
}
} else {
error("DISABLED: kern.devstat module");
return 1;
}
disks_cleanup();
return 0;
}