// SPDX-License-Identifier: GPL-3.0-or-later #include "plugin_freebsd.h" #include 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___safe_from_collector_thread(dm->st_io); if (likely(dm->st_ops)) rrdset_is_obsolete___safe_from_collector_thread(dm->st_ops); if (likely(dm->st_qops)) rrdset_is_obsolete___safe_from_collector_thread(dm->st_qops); if (likely(dm->st_util)) rrdset_is_obsolete___safe_from_collector_thread(dm->st_util); if (likely(dm->st_iotime)) rrdset_is_obsolete___safe_from_collector_thread(dm->st_iotime); if (likely(dm->st_await)) rrdset_is_obsolete___safe_from_collector_thread(dm->st_await); if (likely(dm->st_avagsz)) rrdset_is_obsolete___safe_from_collector_thread(dm->st_avagsz); if (likely(dm->st_svctm)) rrdset_is_obsolete___safe_from_collector_thread(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)) { // collector_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 DEFAULT_EXCLUDED_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", DEFAULT_EXCLUDED_DISKS), NULL, SIMPLE_PATTERN_EXACT, true); } 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) { 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); } 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) { 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 ); 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); } 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) { 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 ); dm->rd_qops = rrddim_add(dm->st_qops, "operations", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); } 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) { 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 ); dm->rd_util = rrddim_add(dm->st_util, "utilization", NULL, 1, 10, RRD_ALGORITHM_INCREMENTAL); } 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) { 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 ); 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); } 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) { 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 ); 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); } 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) { 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 ); 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); } 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) { 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 ); dm->rd_svctm = rrddim_add(dm->st_svctm, "svctm", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); } 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); } 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; collector_error("DISABLED: system.io chart"); do_io = 0; collector_error("DISABLED: disk.* charts"); do_ops = 0; collector_error("DISABLED: disk_ops.* charts"); do_qops = 0; collector_error("DISABLED: disk_qops.* charts"); do_util = 0; collector_error("DISABLED: disk_util.* charts"); do_iotime = 0; collector_error("DISABLED: disk_iotime.* charts"); do_await = 0; collector_error("DISABLED: disk_await.* charts"); do_avagsz = 0; collector_error("DISABLED: disk_avgsz.* charts"); do_svctm = 0; collector_error("DISABLED: disk_svctm.* charts"); collector_error("DISABLED: kern.devstat module"); return 1; } } else { collector_error("DISABLED: kern.devstat module"); return 1; } disks_cleanup(); return 0; }