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netdata/collectors/diskspace.plugin/plugin_diskspace.c

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// SPDX-License-Identifier: GPL-3.0-or-later
#include "../proc.plugin/plugin_proc.h"
#define PLUGIN_DISKSPACE_NAME "diskspace.plugin"
#define THREAD_DISKSPACE_SLOW_NAME "PLUGIN[diskspace slow]"
#define DEFAULT_EXCLUDED_PATHS "/proc/* /sys/* /var/run/user/* /run/user/* /snap/* /var/lib/docker/*"
#define DEFAULT_EXCLUDED_FILESYSTEMS "*gvfs *gluster* *s3fs *ipfs *davfs2 *httpfs *sshfs *gdfs *moosefs fusectl autofs"
#define CONFIG_SECTION_DISKSPACE "plugin:proc:diskspace"
#define MAX_STAT_USEC 10000LU
#define SLOW_UPDATE_EVERY 5
static netdata_thread_t *diskspace_slow_thread = NULL;
static struct mountinfo *disk_mountinfo_root = NULL;
static int check_for_new_mountpoints_every = 15;
static int cleanup_mount_points = 1;
static inline void mountinfo_reload(int force) {
static time_t last_loaded = 0;
time_t now = now_realtime_sec();
if(force || now - last_loaded >= check_for_new_mountpoints_every) {
// mountinfo_free_all() can be called with NULL disk_mountinfo_root
mountinfo_free_all(disk_mountinfo_root);
// re-read mountinfo in case something changed
disk_mountinfo_root = mountinfo_read(0);
last_loaded = now;
}
}
// Data to be stored in DICTIONARY dict_mountpoints used by do_disk_space_stats().
// This DICTIONARY is used to lookup the settings of the mount point on each iteration.
struct mount_point_metadata {
int do_space;
int do_inodes;
int shown_error;
int updated;
int slow;
DICTIONARY *chart_labels;
size_t collected; // the number of times this has been collected
RRDSET *st_space;
RRDDIM *rd_space_used;
RRDDIM *rd_space_avail;
RRDDIM *rd_space_reserved;
RRDSET *st_inodes;
RRDDIM *rd_inodes_used;
RRDDIM *rd_inodes_avail;
RRDDIM *rd_inodes_reserved;
};
static DICTIONARY *dict_mountpoints = NULL;
#define rrdset_obsolete_and_pointer_null(st) do { if(st) { rrdset_is_obsolete(st); (st) = NULL; } } while(st)
int mount_point_cleanup(const char *name, void *entry, int slow) {
(void)name;
struct mount_point_metadata *mp = (struct mount_point_metadata *)entry;
if(!mp) return 0;
if (slow != mp->slow)
return 0;
if(likely(mp->updated)) {
mp->updated = 0;
return 0;
}
if(likely(cleanup_mount_points && mp->collected)) {
mp->collected = 0;
mp->updated = 0;
mp->shown_error = 0;
mp->rd_space_avail = NULL;
mp->rd_space_used = NULL;
mp->rd_space_reserved = NULL;
mp->rd_inodes_avail = NULL;
mp->rd_inodes_used = NULL;
mp->rd_inodes_reserved = NULL;
rrdset_obsolete_and_pointer_null(mp->st_space);
rrdset_obsolete_and_pointer_null(mp->st_inodes);
}
return 0;
}
int mount_point_cleanup_cb(const DICTIONARY_ITEM *item, void *entry, void *data __maybe_unused) {
const char *name = dictionary_acquired_item_name(item);
return mount_point_cleanup(name, (struct mount_point_metadata *)entry, 0);
}
// a copy of basic mountinfo fields
struct basic_mountinfo {
char *persistent_id;
char *root;
char *mount_point;
char *filesystem;
struct basic_mountinfo *next;
};
static struct basic_mountinfo *slow_mountinfo_tmp_root = NULL;
static netdata_mutex_t slow_mountinfo_mutex;
static struct basic_mountinfo *basic_mountinfo_create_and_copy(struct mountinfo* mi)
{
struct basic_mountinfo *bmi = callocz(1, sizeof(struct basic_mountinfo));
if (mi) {
bmi->persistent_id = strdupz(mi->persistent_id);
bmi->root = strdupz(mi->root);
bmi->mount_point = strdupz(mi->mount_point);
bmi->filesystem = strdupz(mi->filesystem);
}
return bmi;
}
static void add_basic_mountinfo(struct basic_mountinfo **root, struct mountinfo *mi)
{
if (!root)
return;
struct basic_mountinfo *bmi = basic_mountinfo_create_and_copy(mi);
bmi->next = *root;
*root = bmi;
};
static void free_basic_mountinfo(struct basic_mountinfo *bmi)
{
if (bmi) {
freez(bmi->persistent_id);
freez(bmi->root);
freez(bmi->mount_point);
freez(bmi->filesystem);
freez(bmi);
}
};
static void free_basic_mountinfo_list(struct basic_mountinfo *root)
{
struct basic_mountinfo *bmi = root, *next;
while (bmi) {
next = bmi->next;
free_basic_mountinfo(bmi);
bmi = next;
}
}
static void calculate_values_and_show_charts(
struct basic_mountinfo *mi,
struct mount_point_metadata *m,
struct statvfs *buff_statvfs,
int update_every)
{
const char *family = mi->mount_point;
const char *disk = mi->persistent_id;
// logic found at get_fs_usage() in coreutils
unsigned long bsize = (buff_statvfs->f_frsize) ? buff_statvfs->f_frsize : buff_statvfs->f_bsize;
fsblkcnt_t bavail = buff_statvfs->f_bavail;
fsblkcnt_t btotal = buff_statvfs->f_blocks;
fsblkcnt_t bavail_root = buff_statvfs->f_bfree;
fsblkcnt_t breserved_root = bavail_root - bavail;
fsblkcnt_t bused = likely(btotal >= bavail_root) ? btotal - bavail_root : bavail_root - btotal;
#ifdef NETDATA_INTERNAL_CHECKS
if(unlikely(btotal != bavail + breserved_root + bused))
error("DISKSPACE: disk block statistics for '%s' (disk '%s') do not sum up: total = %llu, available = %llu, reserved = %llu, used = %llu", mi->mount_point, disk, (unsigned long long)btotal, (unsigned long long)bavail, (unsigned long long)breserved_root, (unsigned long long)bused);
#endif
// --------------------------------------------------------------------------
fsfilcnt_t favail = buff_statvfs->f_favail;
fsfilcnt_t ftotal = buff_statvfs->f_files;
fsfilcnt_t favail_root = buff_statvfs->f_ffree;
fsfilcnt_t freserved_root = favail_root - favail;
fsfilcnt_t fused = ftotal - favail_root;
if(m->do_inodes == CONFIG_BOOLEAN_AUTO && favail == (fsfilcnt_t)-1) {
// this file system does not support inodes reporting
// eg. cephfs
m->do_inodes = CONFIG_BOOLEAN_NO;
}
#ifdef NETDATA_INTERNAL_CHECKS
if(unlikely(btotal != bavail + breserved_root + bused))
error("DISKSPACE: disk inode statistics for '%s' (disk '%s') do not sum up: total = %llu, available = %llu, reserved = %llu, used = %llu", mi->mount_point, disk, (unsigned long long)ftotal, (unsigned long long)favail, (unsigned long long)freserved_root, (unsigned long long)fused);
#endif
// --------------------------------------------------------------------------
int rendered = 0;
if(m->do_space == CONFIG_BOOLEAN_YES || (m->do_space == CONFIG_BOOLEAN_AUTO &&
(bavail || breserved_root || bused ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
if(unlikely(!m->st_space) || m->st_space->update_every != update_every) {
m->do_space = CONFIG_BOOLEAN_YES;
m->st_space = rrdset_find_active_bytype_localhost("disk_space", disk);
if(unlikely(!m->st_space || m->st_space->update_every != update_every)) {
char title[4096 + 1];
snprintfz(title, 4096, "Disk Space Usage");
m->st_space = rrdset_create_localhost(
"disk_space"
, disk
, NULL
, family
, "disk.space"
, title
, "GiB"
, PLUGIN_DISKSPACE_NAME
, NULL
, NETDATA_CHART_PRIO_DISKSPACE_SPACE
, update_every
, RRDSET_TYPE_STACKED
);
}
rrdset_update_rrdlabels(m->st_space, m->chart_labels);
m->rd_space_avail = rrddim_add(m->st_space, "avail", NULL, (collected_number)bsize, 1024 * 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
m->rd_space_used = rrddim_add(m->st_space, "used", NULL, (collected_number)bsize, 1024 * 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
m->rd_space_reserved = rrddim_add(m->st_space, "reserved_for_root", "reserved for root", (collected_number)bsize, 1024 * 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
}
else
rrdset_next(m->st_space);
rrddim_set_by_pointer(m->st_space, m->rd_space_avail, (collected_number)bavail);
rrddim_set_by_pointer(m->st_space, m->rd_space_used, (collected_number)bused);
rrddim_set_by_pointer(m->st_space, m->rd_space_reserved, (collected_number)breserved_root);
rrdset_done(m->st_space);
rendered++;
}
// --------------------------------------------------------------------------
if(m->do_inodes == CONFIG_BOOLEAN_YES || (m->do_inodes == CONFIG_BOOLEAN_AUTO &&
(favail || freserved_root || fused ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
if(unlikely(!m->st_inodes) || m->st_inodes->update_every != update_every) {
m->do_inodes = CONFIG_BOOLEAN_YES;
m->st_inodes = rrdset_find_active_bytype_localhost("disk_inodes", disk);
if(unlikely(!m->st_inodes) || m->st_inodes->update_every != update_every) {
char title[4096 + 1];
snprintfz(title, 4096, "Disk Files (inodes) Usage");
m->st_inodes = rrdset_create_localhost(
"disk_inodes"
, disk
, NULL
, family
, "disk.inodes"
, title
, "inodes"
, PLUGIN_DISKSPACE_NAME
, NULL
, NETDATA_CHART_PRIO_DISKSPACE_INODES
, update_every
, RRDSET_TYPE_STACKED
);
}
rrdset_update_rrdlabels(m->st_inodes, m->chart_labels);
m->rd_inodes_avail = rrddim_add(m->st_inodes, "avail", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
m->rd_inodes_used = rrddim_add(m->st_inodes, "used", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
m->rd_inodes_reserved = rrddim_add(m->st_inodes, "reserved_for_root", "reserved for root", 1, 1, RRD_ALGORITHM_ABSOLUTE);
}
else
rrdset_next(m->st_inodes);
rrddim_set_by_pointer(m->st_inodes, m->rd_inodes_avail, (collected_number)favail);
rrddim_set_by_pointer(m->st_inodes, m->rd_inodes_used, (collected_number)fused);
rrddim_set_by_pointer(m->st_inodes, m->rd_inodes_reserved, (collected_number)freserved_root);
rrdset_done(m->st_inodes);
rendered++;
}
// --------------------------------------------------------------------------
if(likely(rendered))
m->collected++;
}
static inline void do_disk_space_stats(struct mountinfo *mi, int update_every) {
const char *disk = mi->persistent_id;
static SIMPLE_PATTERN *excluded_mountpoints = NULL;
static SIMPLE_PATTERN *excluded_filesystems = NULL;
usec_t slow_timeout = MAX_STAT_USEC * update_every;
int do_space, do_inodes;
if(unlikely(!dict_mountpoints)) {
SIMPLE_PREFIX_MODE mode = SIMPLE_PATTERN_EXACT;
if(config_move("plugin:proc:/proc/diskstats", "exclude space metrics on paths", CONFIG_SECTION_DISKSPACE, "exclude space metrics on paths") != -1) {
// old configuration, enable backwards compatibility
mode = SIMPLE_PATTERN_PREFIX;
}
excluded_mountpoints = simple_pattern_create(
config_get(CONFIG_SECTION_DISKSPACE, "exclude space metrics on paths", DEFAULT_EXCLUDED_PATHS)
, NULL
, mode
);
excluded_filesystems = simple_pattern_create(
config_get(CONFIG_SECTION_DISKSPACE, "exclude space metrics on filesystems", DEFAULT_EXCLUDED_FILESYSTEMS)
, NULL
, SIMPLE_PATTERN_EXACT
);
dict_mountpoints = dictionary_create(DICT_OPTION_SINGLE_THREADED);
}
struct mount_point_metadata *m = dictionary_get(dict_mountpoints, mi->mount_point);
if(unlikely(!m)) {
int slow = 0;
char var_name[4096 + 1];
snprintfz(var_name, 4096, "plugin:proc:diskspace:%s", mi->mount_point);
int def_space = config_get_boolean_ondemand(CONFIG_SECTION_DISKSPACE, "space usage for all disks", CONFIG_BOOLEAN_AUTO);
int def_inodes = config_get_boolean_ondemand(CONFIG_SECTION_DISKSPACE, "inodes usage for all disks", CONFIG_BOOLEAN_AUTO);
if(unlikely(simple_pattern_matches(excluded_mountpoints, mi->mount_point))) {
def_space = CONFIG_BOOLEAN_NO;
def_inodes = CONFIG_BOOLEAN_NO;
}
if(unlikely(simple_pattern_matches(excluded_filesystems, mi->filesystem))) {
def_space = CONFIG_BOOLEAN_NO;
def_inodes = CONFIG_BOOLEAN_NO;
}
// check if the mount point is a directory #2407
// but only when it is enabled by default #4491
if(def_space != CONFIG_BOOLEAN_NO || def_inodes != CONFIG_BOOLEAN_NO) {
usec_t start_time = now_monotonic_high_precision_usec();
struct stat bs;
if(stat(mi->mount_point, &bs) == -1) {
error("DISKSPACE: Cannot stat() mount point '%s' (disk '%s', filesystem '%s', root '%s')."
, mi->mount_point
, disk
, mi->filesystem?mi->filesystem:""
, mi->root?mi->root:""
);
def_space = CONFIG_BOOLEAN_NO;
def_inodes = CONFIG_BOOLEAN_NO;
}
else {
if((bs.st_mode & S_IFMT) != S_IFDIR) {
error("DISKSPACE: Mount point '%s' (disk '%s', filesystem '%s', root '%s') is not a directory."
, mi->mount_point
, disk
, mi->filesystem?mi->filesystem:""
, mi->root?mi->root:""
);
def_space = CONFIG_BOOLEAN_NO;
def_inodes = CONFIG_BOOLEAN_NO;
}
}
if ((now_monotonic_high_precision_usec() - start_time) > slow_timeout)
slow = 1;
}
do_space = config_get_boolean_ondemand(var_name, "space usage", def_space);
do_inodes = config_get_boolean_ondemand(var_name, "inodes usage", def_inodes);
struct mount_point_metadata mp = {
.do_space = do_space,
.do_inodes = do_inodes,
.shown_error = 0,
.updated = 0,
.slow = 0,
.collected = 0,
.st_space = NULL,
.rd_space_avail = NULL,
.rd_space_used = NULL,
.rd_space_reserved = NULL,
.st_inodes = NULL,
.rd_inodes_avail = NULL,
.rd_inodes_used = NULL,
.rd_inodes_reserved = NULL
};
mp.chart_labels = rrdlabels_create();
rrdlabels_add(mp.chart_labels, "mount_point", mi->mount_point, RRDLABEL_SRC_AUTO);
rrdlabels_add(mp.chart_labels, "filesystem", mi->filesystem, RRDLABEL_SRC_AUTO);
rrdlabels_add(mp.chart_labels, "mount_root", mi->root, RRDLABEL_SRC_AUTO);
m = dictionary_set(dict_mountpoints, mi->mount_point, &mp, sizeof(struct mount_point_metadata));
m->slow = slow;
}
if (m->slow) {
add_basic_mountinfo(&slow_mountinfo_tmp_root, mi);
return;
}
m->updated = 1;
if(unlikely(m->do_space == CONFIG_BOOLEAN_NO && m->do_inodes == CONFIG_BOOLEAN_NO))
return;
if (unlikely(
mi->flags & MOUNTINFO_READONLY &&
!(mi->flags & MOUNTINFO_IS_IN_SYSD_PROTECTED_LIST) &&
!m->collected &&
m->do_space != CONFIG_BOOLEAN_YES &&
m->do_inodes != CONFIG_BOOLEAN_YES))
return;
usec_t start_time = now_monotonic_high_precision_usec();
struct statvfs buff_statvfs;
if (statvfs(mi->mount_point, &buff_statvfs) < 0) {
if(!m->shown_error) {
error("DISKSPACE: failed to statvfs() mount point '%s' (disk '%s', filesystem '%s', root '%s')"
, mi->mount_point
, disk
, mi->filesystem?mi->filesystem:""
, mi->root?mi->root:""
);
m->shown_error = 1;
}
return;
}
if ((now_monotonic_high_precision_usec() - start_time) > slow_timeout)
m->slow = 1;
m->shown_error = 0;
struct basic_mountinfo bmi;
bmi.mount_point = mi->mount_point;
bmi.persistent_id = mi->persistent_id;
bmi.filesystem = mi->filesystem;
bmi.root = mi->root;
calculate_values_and_show_charts(&bmi, m, &buff_statvfs, update_every);
}
static inline void do_slow_disk_space_stats(struct basic_mountinfo *mi, int update_every) {
struct mount_point_metadata *m = dictionary_get(dict_mountpoints, mi->mount_point);
m->updated = 1;
struct statvfs buff_statvfs;
if (statvfs(mi->mount_point, &buff_statvfs) < 0) {
if(!m->shown_error) {
error("DISKSPACE: failed to statvfs() mount point '%s' (disk '%s', filesystem '%s', root '%s')"
, mi->mount_point
, mi->persistent_id
, mi->filesystem?mi->filesystem:""
, mi->root?mi->root:""
);
m->shown_error = 1;
}
return;
}
m->shown_error = 0;
calculate_values_and_show_charts(mi, m, &buff_statvfs, update_every);
}
static void diskspace_slow_worker_cleanup(void *ptr)
{
UNUSED(ptr);
info("cleaning up...");
worker_unregister();
}
#define WORKER_JOB_SLOW_MOUNTPOINT 0
#define WORKER_JOB_SLOW_CLEANUP 1
struct slow_worker_data {
netdata_thread_t *slow_thread;
int update_every;
};
void *diskspace_slow_worker(void *ptr)
{
struct slow_worker_data *data = (struct slow_worker_data *)ptr;
worker_register("DISKSPACE_SLOW");
worker_register_job_name(WORKER_JOB_SLOW_MOUNTPOINT, "mountpoint");
worker_register_job_name(WORKER_JOB_SLOW_CLEANUP, "cleanup");
struct basic_mountinfo *slow_mountinfo_root = NULL;
int slow_update_every = data->update_every > SLOW_UPDATE_EVERY ? data->update_every : SLOW_UPDATE_EVERY;
netdata_thread_cleanup_push(diskspace_slow_worker_cleanup, data->slow_thread);
usec_t step = slow_update_every * USEC_PER_SEC;
heartbeat_t hb;
heartbeat_init(&hb);
while(!netdata_exit) {
worker_is_idle();
heartbeat_next(&hb, step);
usec_t start_time = now_monotonic_high_precision_usec();
if (!dict_mountpoints)
continue;
if(unlikely(netdata_exit)) break;
// --------------------------------------------------------------------------
// disk space metrics
worker_is_busy(WORKER_JOB_SLOW_MOUNTPOINT);
netdata_mutex_lock(&slow_mountinfo_mutex);
free_basic_mountinfo_list(slow_mountinfo_root);
slow_mountinfo_root = slow_mountinfo_tmp_root;
slow_mountinfo_tmp_root = NULL;
netdata_mutex_unlock(&slow_mountinfo_mutex);
struct basic_mountinfo *bmi;
for(bmi = slow_mountinfo_root; bmi; bmi = bmi->next) {
do_slow_disk_space_stats(bmi, slow_update_every);
if(unlikely(netdata_exit)) break;
}
if(unlikely(netdata_exit)) break;
worker_is_busy(WORKER_JOB_SLOW_CLEANUP);
for(bmi = slow_mountinfo_root; bmi; bmi = bmi->next) {
struct mount_point_metadata *m = dictionary_get(dict_mountpoints, bmi->mount_point);
if (m)
mount_point_cleanup(bmi->mount_point, m, 1);
}
usec_t dt = now_monotonic_high_precision_usec() - start_time;
if (dt > step) {
slow_update_every = (dt / USEC_PER_SEC) * 3 / 2;
if (slow_update_every % SLOW_UPDATE_EVERY)
slow_update_every += SLOW_UPDATE_EVERY - slow_update_every % SLOW_UPDATE_EVERY;
step = slow_update_every * USEC_PER_SEC;
}
}
netdata_thread_cleanup_pop(1);
free_basic_mountinfo_list(slow_mountinfo_root);
return NULL;
}
static void diskspace_main_cleanup(void *ptr) {
worker_unregister();
struct netdata_static_thread *static_thread = (struct netdata_static_thread *)ptr;
static_thread->enabled = NETDATA_MAIN_THREAD_EXITING;
info("cleaning up...");
if (diskspace_slow_thread) {
netdata_thread_join(*diskspace_slow_thread, NULL);
freez(diskspace_slow_thread);
}
free_basic_mountinfo_list(slow_mountinfo_tmp_root);
static_thread->enabled = NETDATA_MAIN_THREAD_EXITED;
}
#define WORKER_JOB_MOUNTINFO 0
#define WORKER_JOB_MOUNTPOINT 1
#define WORKER_JOB_CLEANUP 2
#if WORKER_UTILIZATION_MAX_JOB_TYPES < 3
#error WORKER_UTILIZATION_MAX_JOB_TYPES has to be at least 3
#endif
void *diskspace_main(void *ptr) {
worker_register("DISKSPACE");
worker_register_job_name(WORKER_JOB_MOUNTINFO, "mountinfo");
worker_register_job_name(WORKER_JOB_MOUNTPOINT, "mountpoint");
worker_register_job_name(WORKER_JOB_CLEANUP, "cleanup");
netdata_thread_cleanup_push(diskspace_main_cleanup, ptr);
cleanup_mount_points = config_get_boolean(CONFIG_SECTION_DISKSPACE, "remove charts of unmounted disks" , cleanup_mount_points);
int update_every = (int)config_get_number(CONFIG_SECTION_DISKSPACE, "update every", localhost->rrd_update_every);
if(update_every < localhost->rrd_update_every)
update_every = localhost->rrd_update_every;
check_for_new_mountpoints_every = (int)config_get_number(CONFIG_SECTION_DISKSPACE, "check for new mount points every", check_for_new_mountpoints_every);
if(check_for_new_mountpoints_every < update_every)
check_for_new_mountpoints_every = update_every;
netdata_mutex_init(&slow_mountinfo_mutex);
diskspace_slow_thread = mallocz(sizeof(netdata_thread_t));
struct slow_worker_data slow_worker_data = {.slow_thread = diskspace_slow_thread, .update_every = update_every};
netdata_thread_create(
diskspace_slow_thread,
THREAD_DISKSPACE_SLOW_NAME,
NETDATA_THREAD_OPTION_JOINABLE,
diskspace_slow_worker,
&slow_worker_data);
usec_t step = update_every * USEC_PER_SEC;
heartbeat_t hb;
heartbeat_init(&hb);
while(!netdata_exit) {
worker_is_idle();
/* usec_t hb_dt = */ heartbeat_next(&hb, step);
if(unlikely(netdata_exit)) break;
// --------------------------------------------------------------------------
// this is smart enough not to reload it every time
worker_is_busy(WORKER_JOB_MOUNTINFO);
mountinfo_reload(0);
// --------------------------------------------------------------------------
// disk space metrics
netdata_mutex_lock(&slow_mountinfo_mutex);
free_basic_mountinfo_list(slow_mountinfo_tmp_root);
slow_mountinfo_tmp_root = NULL;
struct mountinfo *mi;
for(mi = disk_mountinfo_root; mi; mi = mi->next) {
if(unlikely(mi->flags & (MOUNTINFO_IS_DUMMY | MOUNTINFO_IS_BIND)))
continue;
// exclude mounts made by ProtectHome and ProtectSystem systemd hardening options
// https://github.com/netdata/netdata/issues/11498#issuecomment-950982878
if(mi->flags & MOUNTINFO_READONLY && mi->flags & MOUNTINFO_IS_IN_SYSD_PROTECTED_LIST && !strcmp(mi->root, mi->mount_point))
continue;
worker_is_busy(WORKER_JOB_MOUNTPOINT);
do_disk_space_stats(mi, update_every);
if(unlikely(netdata_exit)) break;
}
netdata_mutex_unlock(&slow_mountinfo_mutex);
if(unlikely(netdata_exit)) break;
if(dict_mountpoints) {
worker_is_busy(WORKER_JOB_CLEANUP);
dictionary_walkthrough_read(dict_mountpoints, mount_point_cleanup_cb, NULL);
}
}
worker_unregister();
netdata_thread_cleanup_pop(1);
return NULL;
}
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