#include "common.h"
-#define DELAULT_EXLUDED_PATHS "/proc/ /sys/ /var/run/user/ /run/user/"
+#define DELAULT_EXLUDED_PATHS "/proc/* /sys/* /var/run/user/* /run/user/*"
static struct mountinfo *disk_mountinfo_root = NULL;
static int check_for_new_mountpoints_every = 15;
mountinfo_free(disk_mountinfo_root);
// re-read mountinfo in case something changed
- disk_mountinfo_root = mountinfo_read();
+ disk_mountinfo_root = mountinfo_read(1);
last_loaded = now;
}
struct mount_point_metadata {
int do_space;
int do_inodes;
+
+ 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 inline void do_disk_space_stats(struct mountinfo *mi, int update_every) {
const char *disk = mi->persistent_id;
static DICTIONARY *mount_points = NULL;
- static NETDATA_SIMPLE_PATTERN *excluded_mountpoints = NULL;
+ static SIMPLE_PATTERN *excluded_mountpoints = NULL;
int do_space, do_inodes;
if(unlikely(!mount_points)) {
const char *s;
+ SIMPLE_PREFIX_MODE mode = SIMPLE_PATTERN_EXACT;
if(config_exists("plugin:proc:/proc/diskstats", "exclude space metrics on paths") && !config_exists("plugin:proc:diskspace", "exclude space metrics on paths")) {
// the config exists in the old section
s = config_get("plugin:proc:/proc/diskstats", "exclude space metrics on paths", DELAULT_EXLUDED_PATHS);
-
- // set it to the new section
- config_set("plugin:proc:diskspace", "exclude space metrics on paths", s);
+ mode = SIMPLE_PATTERN_PREFIX;
}
else
s = config_get("plugin:proc:diskspace", "exclude space metrics on paths", DELAULT_EXLUDED_PATHS);
mount_points = dictionary_create(DICTIONARY_FLAG_SINGLE_THREADED);
- excluded_mountpoints = netdata_simple_pattern_list_create(s, NETDATA_SIMPLE_PATTERN_MODE_PREFIX);
+ excluded_mountpoints = simple_pattern_create(s, mode);
}
struct mount_point_metadata *m = dictionary_get(mount_points, mi->mount_point);
int def_space = config_get_boolean_ondemand("plugin:proc:diskspace", "space usage for all disks", CONFIG_ONDEMAND_ONDEMAND);
int def_inodes = config_get_boolean_ondemand("plugin:proc:diskspace", "inodes usage for all disks", CONFIG_ONDEMAND_ONDEMAND);
- if(unlikely(netdata_simple_pattern_list_matches(excluded_mountpoints, mi->mount_point))) {
+ if(unlikely(simple_pattern_matches(excluded_mountpoints, mi->mount_point))) {
def_space = CONFIG_ONDEMAND_NO;
def_inodes = CONFIG_ONDEMAND_NO;
}
struct mount_point_metadata mp = {
.do_space = do_space,
- .do_inodes = do_inodes
+ .do_inodes = do_inodes,
+
+ .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
};
- dictionary_set(mount_points, mi->mount_point, &mp, sizeof(struct mount_point_metadata));
+ m = dictionary_set(mount_points, mi->mount_point, &mp, sizeof(struct mount_point_metadata));
}
else {
do_space = m->do_space;
if(unlikely(do_space == CONFIG_ONDEMAND_NO && do_inodes == CONFIG_ONDEMAND_NO))
return;
+ if(unlikely(mi->flags & MOUNTINFO_READONLY && !m->collected))
+ return;
+
struct statvfs buff_statvfs;
if (statvfs(mi->mount_point, &buff_statvfs) < 0) {
error("Failed statvfs() for '%s' (disk '%s')", mi->mount_point, disk);
return;
}
- // taken from get_fs_usage() found in coreutils
+ // 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;
// --------------------------------------------------------------------------
- RRDSET *st;
+ int rendered = 0;
if(do_space == CONFIG_ONDEMAND_YES || (do_space == CONFIG_ONDEMAND_ONDEMAND && (bavail || breserved_root || bused))) {
- st = rrdset_find_bytype("disk_space", disk);
- if(unlikely(!st)) {
- char title[4096 + 1];
- snprintfz(title, 4096, "Disk Space Usage for %s [%s]", family, mi->mount_source);
- st = rrdset_create("disk_space", disk, NULL, family, "disk.space", title, "GB", 2023, update_every, RRDSET_TYPE_STACKED);
-
- rrddim_add(st, "avail", NULL, bsize, 1024*1024*1024, RRDDIM_ABSOLUTE);
- rrddim_add(st, "used" , NULL, bsize, 1024*1024*1024, RRDDIM_ABSOLUTE);
- rrddim_add(st, "reserved_for_root", "reserved for root", bsize, 1024*1024*1024, RRDDIM_ABSOLUTE);
+ if(unlikely(!m->st_space)) {
+ m->do_space = CONFIG_ONDEMAND_YES;
+ m->st_space = rrdset_find_bytype("disk_space", disk);
+ if(unlikely(!m->st_space)) {
+ char title[4096 + 1];
+ snprintfz(title, 4096, "Disk Space Usage for %s [%s]", family, mi->mount_source);
+ m->st_space = rrdset_create("disk_space", disk, NULL, family, "disk.space", title, "GB", 2023, update_every, RRDSET_TYPE_STACKED);
+ }
+
+ m->rd_space_avail = rrddim_add(m->st_space, "avail", NULL, bsize, 1024 * 1024 * 1024, RRDDIM_ABSOLUTE);
+ m->rd_space_used = rrddim_add(m->st_space, "used", NULL, bsize, 1024 * 1024 * 1024, RRDDIM_ABSOLUTE);
+ m->rd_space_reserved = rrddim_add(m->st_space, "reserved_for_root", "reserved for root", bsize, 1024 * 1024 * 1024, RRDDIM_ABSOLUTE);
}
- else rrdset_next(st);
+ else
+ rrdset_next(m->st_space);
- rrddim_set(st, "avail", (collected_number)bavail);
- rrddim_set(st, "used", (collected_number)bused);
- rrddim_set(st, "reserved_for_root", (collected_number)breserved_root);
- rrdset_done(st);
+ 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(do_inodes == CONFIG_ONDEMAND_YES || (do_inodes == CONFIG_ONDEMAND_ONDEMAND && (favail || freserved_root || fused))) {
- st = rrdset_find_bytype("disk_inodes", disk);
- if(unlikely(!st)) {
- char title[4096 + 1];
- snprintfz(title, 4096, "Disk Files (inodes) Usage for %s [%s]", family, mi->mount_source);
- st = rrdset_create("disk_inodes", disk, NULL, family, "disk.inodes", title, "Inodes", 2024, update_every, RRDSET_TYPE_STACKED);
-
- rrddim_add(st, "avail", NULL, 1, 1, RRDDIM_ABSOLUTE);
- rrddim_add(st, "used" , NULL, 1, 1, RRDDIM_ABSOLUTE);
- rrddim_add(st, "reserved_for_root", "reserved for root", 1, 1, RRDDIM_ABSOLUTE);
+ if(unlikely(!m->st_inodes)) {
+ m->do_inodes = CONFIG_ONDEMAND_YES;
+ m->st_inodes = rrdset_find_bytype("disk_inodes", disk);
+ if(unlikely(!m->st_inodes)) {
+ char title[4096 + 1];
+ snprintfz(title, 4096, "Disk Files (inodes) Usage for %s [%s]", family, mi->mount_source);
+ m->st_inodes = rrdset_create("disk_inodes", disk, NULL, family, "disk.inodes", title, "Inodes", 2024, update_every, RRDSET_TYPE_STACKED);
+ }
+
+ m->rd_inodes_avail = rrddim_add(m->st_inodes, "avail", NULL, 1, 1, RRDDIM_ABSOLUTE);
+ m->rd_inodes_used = rrddim_add(m->st_inodes, "used", NULL, 1, 1, RRDDIM_ABSOLUTE);
+ m->rd_inodes_reserved = rrddim_add(m->st_inodes, "reserved_for_root", "reserved for root", 1, 1, RRDDIM_ABSOLUTE);
}
- else rrdset_next(st);
+ 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);
- rrddim_set(st, "avail", (collected_number)favail);
- rrddim_set(st, "used", (collected_number)fused);
- rrddim_set(st, "reserved_for_root", (collected_number)freserved_root);
- rrdset_done(st);
+ rendered++;
}
+
+ // --------------------------------------------------------------------------
+
+ if(likely(rendered))
+ m->collected++;
}
void *proc_diskspace_main(void *ptr) {
if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
error("Cannot set pthread cancel state to ENABLE.");
+ int vdo_cpu_netdata = config_get_boolean("plugin:proc", "netdata server resources", 1);
+
int update_every = (int)config_get_number("plugin:proc:diskspace", "update every", rrd_update_every);
if(update_every < rrd_update_every)
update_every = rrd_update_every;
if(check_for_new_mountpoints_every < update_every)
check_for_new_mountpoints_every = update_every;
+ struct rusage thread;
+
+ usec_t duration = 0;
usec_t step = update_every * USEC_PER_SEC;
+ heartbeat_t hb;
+ heartbeat_init(&hb);
for(;;) {
- usec_t now = now_monotonic_usec();
- usec_t next = now - (now % step) + step;
-
- while(now < next) {
- sleep_usec(next - now);
- now = now_monotonic_usec();
- }
+ duration = heartbeat_dt_usec(&hb);
+ /* usec_t hb_dt = */ heartbeat_next(&hb, step);
if(unlikely(netdata_exit)) break;
+
// --------------------------------------------------------------------------
// this is smart enough not to reload it every time
mountinfo_reload(0);
+
// --------------------------------------------------------------------------
// disk space metrics
struct mountinfo *mi;
for(mi = disk_mountinfo_root; mi; mi = mi->next) {
- if(unlikely(mi->flags &
- (MOUNTINFO_IS_DUMMY | MOUNTINFO_IS_BIND | MOUNTINFO_IS_SAME_DEV | MOUNTINFO_NO_STAT |
- MOUNTINFO_NO_SIZE | MOUNTINFO_READONLY)))
+ if(unlikely(mi->flags & (MOUNTINFO_IS_DUMMY | MOUNTINFO_IS_BIND | MOUNTINFO_IS_SAME_DEV | MOUNTINFO_NO_STAT | MOUNTINFO_NO_SIZE)))
continue;
do_disk_space_stats(mi, update_every);
+ if(unlikely(netdata_exit)) break;
+ }
+
+ if(unlikely(netdata_exit)) break;
+
+ if(vdo_cpu_netdata) {
+ static RRDSET *stcpu_thread = NULL, *st_duration = NULL;
+ static RRDDIM *rd_user = NULL, *rd_system = NULL, *rd_duration = NULL;
+
+ // ----------------------------------------------------------------
+
+ getrusage(RUSAGE_THREAD, &thread);
+
+ if(!stcpu_thread) {
+ stcpu_thread = rrdset_find("netdata.plugin_diskspace");
+ if(!stcpu_thread) stcpu_thread = rrdset_create("netdata", "plugin_diskspace", NULL, "diskspace", NULL
+ , "NetData Disk Space Plugin CPU usage", "milliseconds/s", 132020
+ , update_every, RRDSET_TYPE_STACKED);
+
+ rd_user = rrddim_add(stcpu_thread, "user", NULL, 1, 1000, RRDDIM_INCREMENTAL);
+ rd_system = rrddim_add(stcpu_thread, "system", NULL, 1, 1000, RRDDIM_INCREMENTAL);
+ }
+ else
+ rrdset_next(stcpu_thread);
+
+ rrddim_set_by_pointer(stcpu_thread, rd_user, thread.ru_utime.tv_sec * 1000000ULL + thread.ru_utime.tv_usec);
+ rrddim_set_by_pointer(stcpu_thread, rd_system, thread.ru_stime.tv_sec * 1000000ULL + thread.ru_stime.tv_usec);
+ rrdset_done(stcpu_thread);
+
+ // ----------------------------------------------------------------
+
+ if(!st_duration) {
+ st_duration = rrdset_find("netdata.plugin_diskspace_dt");
+ if(!st_duration) st_duration = rrdset_create("netdata", "plugin_diskspace_dt", NULL, "diskspace", NULL
+ , "NetData Disk Space Plugin Duration", "milliseconds/run", 132021
+ , update_every, RRDSET_TYPE_AREA);
+
+ rd_duration = rrddim_add(st_duration, "duration", NULL, 1, 1000, RRDDIM_ABSOLUTE);
+ }
+ else
+ rrdset_next(st_duration);
+
+ rrddim_set_by_pointer(st_duration, rd_duration, duration);
+ rrdset_done(st_duration);
+
+ // ----------------------------------------------------------------
+
+ if(unlikely(netdata_exit)) break;
}
}
info("DISKSPACE thread exiting");
static_thread->enabled = 0;
- static_thread->thread = NULL;
pthread_exit(NULL);
return NULL;
}