src/database/rrdset.c
// SPDX-License-Identifier: GPL-3.0-or-later
#define NETDATA_RRD_INTERNALS
#include "rrd.h"
#include "storage_engine.h"
void rrdset_metadata_updated(RRDSET *st) {
__atomic_add_fetch(&st->version, 1, __ATOMIC_RELAXED);
rrdcontext_updated_rrdset(st);
}
// ----------------------------------------------------------------------------
// RRDSET rrdpush send chart_slots
static void rrdset_rrdpush_send_chart_slot_assign(RRDSET *st) {
RRDHOST *host = st->rrdhost;
spinlock_lock(&host->rrdpush.send.pluginsd_chart_slots.available.spinlock);
if(host->rrdpush.send.pluginsd_chart_slots.available.used > 0)
st->rrdpush.sender.chart_slot =
host->rrdpush.send.pluginsd_chart_slots.available.array[--host->rrdpush.send.pluginsd_chart_slots.available.used];
else
st->rrdpush.sender.chart_slot = ++host->rrdpush.send.pluginsd_chart_slots.last_used;
spinlock_unlock(&host->rrdpush.send.pluginsd_chart_slots.available.spinlock);
}
static void rrdset_rrdpush_send_chart_slot_release(RRDSET *st) {
if(!st->rrdpush.sender.chart_slot || st->rrdhost->rrdpush.send.pluginsd_chart_slots.available.ignore)
return;
RRDHOST *host = st->rrdhost;
spinlock_lock(&host->rrdpush.send.pluginsd_chart_slots.available.spinlock);
if(host->rrdpush.send.pluginsd_chart_slots.available.used >= host->rrdpush.send.pluginsd_chart_slots.available.size) {
uint32_t old_size = host->rrdpush.send.pluginsd_chart_slots.available.size;
uint32_t new_size = (old_size > 0) ? (old_size * 2) : 1024;
host->rrdpush.send.pluginsd_chart_slots.available.array =
reallocz(host->rrdpush.send.pluginsd_chart_slots.available.array, new_size * sizeof(uint32_t));
host->rrdpush.send.pluginsd_chart_slots.available.size = new_size;
}
host->rrdpush.send.pluginsd_chart_slots.available.array[host->rrdpush.send.pluginsd_chart_slots.available.used++] =
st->rrdpush.sender.chart_slot;
st->rrdpush.sender.chart_slot = 0;
spinlock_unlock(&host->rrdpush.send.pluginsd_chart_slots.available.spinlock);
}
void rrdhost_pluginsd_send_chart_slots_free(RRDHOST *host) {
spinlock_lock(&host->rrdpush.send.pluginsd_chart_slots.available.spinlock);
host->rrdpush.send.pluginsd_chart_slots.available.ignore = true;
freez(host->rrdpush.send.pluginsd_chart_slots.available.array);
host->rrdpush.send.pluginsd_chart_slots.available.array = NULL;
host->rrdpush.send.pluginsd_chart_slots.available.used = 0;
host->rrdpush.send.pluginsd_chart_slots.available.size = 0;
spinlock_unlock(&host->rrdpush.send.pluginsd_chart_slots.available.spinlock);
// zero all the slots on all charts, so that they will not attempt to access the array
RRDSET *st;
rrdset_foreach_read(st, host) {
st->rrdpush.sender.chart_slot = 0;
}
rrdset_foreach_done(st);
}
void rrdset_pluginsd_receive_unslot(RRDSET *st) {
for(size_t i = 0; i < st->pluginsd.size ;i++) {
rrddim_acquired_release(st->pluginsd.prd_array[i].rda); // can be NULL
st->pluginsd.prd_array[i].rda = NULL;
st->pluginsd.prd_array[i].rd = NULL;
st->pluginsd.prd_array[i].id = NULL;
}
RRDHOST *host = st->rrdhost;
if(st->pluginsd.last_slot >= 0 &&
(uint32_t)st->pluginsd.last_slot < host->rrdpush.receive.pluginsd_chart_slots.size &&
host->rrdpush.receive.pluginsd_chart_slots.array[st->pluginsd.last_slot] == st) {
host->rrdpush.receive.pluginsd_chart_slots.array[st->pluginsd.last_slot] = NULL;
}
st->pluginsd.last_slot = -1;
st->pluginsd.dims_with_slots = false;
}
void rrdset_pluginsd_receive_unslot_and_cleanup(RRDSET *st) {
if(!st)
return;
spinlock_lock(&st->pluginsd.spinlock);
rrdset_pluginsd_receive_unslot(st);
freez(st->pluginsd.prd_array);
st->pluginsd.prd_array = NULL;
st->pluginsd.size = 0;
st->pluginsd.pos = 0;
st->pluginsd.set = false;
st->pluginsd.last_slot = -1;
st->pluginsd.dims_with_slots = false;
st->pluginsd.collector_tid = 0;
spinlock_unlock(&st->pluginsd.spinlock);
}
static void rrdset_pluginsd_receive_slots_initialize(RRDSET *st) {
spinlock_init(&st->pluginsd.spinlock);
st->pluginsd.last_slot = -1;
}
void rrdhost_pluginsd_receive_chart_slots_free(RRDHOST *host) {
spinlock_lock(&host->rrdpush.receive.pluginsd_chart_slots.spinlock);
if(host->rrdpush.receive.pluginsd_chart_slots.array) {
for (size_t s = 0; s < host->rrdpush.receive.pluginsd_chart_slots.size; s++)
rrdset_pluginsd_receive_unslot_and_cleanup(host->rrdpush.receive.pluginsd_chart_slots.array[s]);
freez(host->rrdpush.receive.pluginsd_chart_slots.array);
host->rrdpush.receive.pluginsd_chart_slots.array = NULL;
host->rrdpush.receive.pluginsd_chart_slots.size = 0;
}
spinlock_unlock(&host->rrdpush.receive.pluginsd_chart_slots.spinlock);
}
// ----------------------------------------------------------------------------
// RRDSET name index
static void rrdset_name_insert_callback(const DICTIONARY_ITEM *item __maybe_unused, void *rrdset, void *rrdhost __maybe_unused) {
RRDSET *st = rrdset;
rrdset_flag_set(st, RRDSET_FLAG_INDEXED_NAME);
}
static void rrdset_name_delete_callback(const DICTIONARY_ITEM *item __maybe_unused, void *rrdset, void *rrdhost __maybe_unused) {
RRDSET *st = rrdset;
rrdset_flag_clear(st, RRDSET_FLAG_INDEXED_NAME);
}
static inline void rrdset_index_add_name(RRDHOST *host, RRDSET *st) {
if(!st->name) return;
dictionary_set(host->rrdset_root_index_name, rrdset_name(st), st, sizeof(RRDSET));
}
static inline void rrdset_index_del_name(RRDHOST *host, RRDSET *st) {
if(rrdset_flag_check(st, RRDSET_FLAG_INDEXED_NAME))
dictionary_del(host->rrdset_root_index_name, rrdset_name(st));
}
static inline RRDSET *rrdset_index_find_name(RRDHOST *host, const char *name) {
if (unlikely(!host->rrdset_root_index_name))
return NULL;
return dictionary_get(host->rrdset_root_index_name, name);
}
// ----------------------------------------------------------------------------
// RRDSET index
static inline void rrdset_update_permanent_labels(RRDSET *st) {
if(!st->rrdlabels) return;
rrdlabels_add(st->rrdlabels, "_collect_plugin", rrdset_plugin_name(st), RRDLABEL_SRC_AUTO | RRDLABEL_FLAG_DONT_DELETE);
rrdlabels_add(st->rrdlabels, "_collect_module", rrdset_module_name(st), RRDLABEL_SRC_AUTO | RRDLABEL_FLAG_DONT_DELETE);
}
static STRING *rrdset_fix_name(RRDHOST *host, const char *chart_full_id, const char *type, const char *current_name, const char *name) {
if(!name || !*name) return NULL;
char full_name[RRD_ID_LENGTH_MAX + 1];
char sanitized_name[CONFIG_MAX_VALUE + 1];
char new_name[CONFIG_MAX_VALUE + 1];
snprintfz(full_name, RRD_ID_LENGTH_MAX, "%s.%s", type, name);
rrdset_strncpyz_name(sanitized_name, full_name, CONFIG_MAX_VALUE);
strncpyz(new_name, sanitized_name, CONFIG_MAX_VALUE);
if(rrdset_index_find_name(host, new_name)) {
netdata_log_debug(D_RRD_CALLS, "RRDSET: chart name '%s' on host '%s' already exists.", new_name, rrdhost_hostname(host));
if(!strcmp(chart_full_id, full_name) && (!current_name || !*current_name)) {
unsigned i = 1;
do {
snprintfz(new_name, CONFIG_MAX_VALUE, "%s_%u", sanitized_name, i);
i++;
} while (rrdset_index_find_name(host, new_name));
// netdata_log_info("RRDSET: using name '%s' for chart '%s' on host '%s'.", new_name, full_name, rrdhost_hostname(host));
}
else
return NULL;
}
return string_strdupz(new_name);
}
struct rrdset_constructor {
RRDHOST *host;
const char *type;
const char *id;
const char *name;
const char *family;
const char *context;
const char *title;
const char *units;
const char *plugin;
const char *module;
long priority;
int update_every;
RRDSET_TYPE chart_type;
RRD_MEMORY_MODE memory_mode;
long history_entries;
enum {
RRDSET_REACT_NONE = 0,
RRDSET_REACT_NEW = (1 << 0),
RRDSET_REACT_UPDATED = (1 << 1),
RRDSET_REACT_PLUGIN_UPDATED = (1 << 2),
RRDSET_REACT_MODULE_UPDATED = (1 << 3),
RRDSET_REACT_CHART_ACTIVATED = (1 << 4),
} react_action;
};
// the constructor - the dictionary is write locked while this runs
static void rrdset_insert_callback(const DICTIONARY_ITEM *item __maybe_unused, void *rrdset, void *constructor_data) {
struct rrdset_constructor *ctr = constructor_data;
RRDHOST *host = ctr->host;
RRDSET *st = rrdset;
const char *chart_full_id = dictionary_acquired_item_name(item);
st->id = string_strdupz(chart_full_id);
st->name = rrdset_fix_name(host, chart_full_id, ctr->type, NULL, ctr->name);
if(!st->name)
st->name = rrdset_fix_name(host, chart_full_id, ctr->type, NULL, ctr->id);
rrdset_index_add_name(host, st);
st->parts.id = string_strdupz(ctr->id);
st->parts.type = string_strdupz(ctr->type);
st->parts.name = string_strdupz(ctr->name);
st->family = (ctr->family && *ctr->family) ? rrd_string_strdupz(ctr->family) : rrd_string_strdupz(ctr->type);
st->context = (ctr->context && *ctr->context) ? rrd_string_strdupz(ctr->context) : rrd_string_strdupz(chart_full_id);
st->units = rrd_string_strdupz(ctr->units);
st->title = rrd_string_strdupz(ctr->title);
st->plugin_name = rrd_string_strdupz(ctr->plugin);
st->module_name = rrd_string_strdupz(ctr->module);
st->priority = ctr->priority;
st->db.entries = (ctr->memory_mode != RRD_MEMORY_MODE_DBENGINE) ? align_entries_to_pagesize(ctr->memory_mode, ctr->history_entries) : 5;
st->update_every = ctr->update_every;
st->rrd_memory_mode = ctr->memory_mode;
st->chart_type = ctr->chart_type;
st->rrdhost = host;
rrdset_rrdpush_send_chart_slot_assign(st);
spinlock_init(&st->data_collection_lock);
st->flags = RRDSET_FLAG_SYNC_CLOCK
| RRDSET_FLAG_INDEXED_ID
| RRDSET_FLAG_RECEIVER_REPLICATION_FINISHED
| RRDSET_FLAG_SENDER_REPLICATION_FINISHED
;
rw_spinlock_init(&st->alerts.spinlock);
// initialize the db tiers
{
for(size_t tier = 0; tier < storage_tiers ; tier++) {
STORAGE_ENGINE *eng = st->rrdhost->db[tier].eng;
if(!eng) continue;
st->smg[tier] = storage_engine_metrics_group_get(eng->seb, host->db[tier].si, &st->chart_uuid);
}
}
rrddim_index_init(st);
st->rrdvars = rrdvariables_create();
st->rrdlabels = rrdlabels_create();
rrdset_update_permanent_labels(st);
st->green = NAN;
st->red = NAN;
rrdset_pluginsd_receive_slots_initialize(st);
rrdset_flag_set(st, RRDSET_FLAG_PENDING_HEALTH_INITIALIZATION);
rrdhost_flag_set(host, RRDHOST_FLAG_PENDING_HEALTH_INITIALIZATION);
ctr->react_action = RRDSET_REACT_NEW;
ml_chart_new(st);
}
void rrdset_finalize_collection(RRDSET *st, bool dimensions_too) {
ND_LOG_STACK lgs[] = {
ND_LOG_FIELD_TXT(NDF_NIDL_NODE, rrdhost_hostname(st->rrdhost)),
ND_LOG_FIELD_TXT(NDF_NIDL_CONTEXT, rrdset_context(st)),
ND_LOG_FIELD_TXT(NDF_NIDL_INSTANCE, rrdset_name(st)),
ND_LOG_FIELD_END(),
};
ND_LOG_STACK_PUSH(lgs);
RRDHOST *host = st->rrdhost;
rrdset_flag_set(st, RRDSET_FLAG_COLLECTION_FINISHED);
if(dimensions_too) {
RRDDIM *rd;
rrddim_foreach_read(rd, st)
rrddim_finalize_collection_and_check_retention(rd);
rrddim_foreach_done(rd);
}
for(size_t tier = 0; tier < storage_tiers ; tier++) {
STORAGE_ENGINE *eng = st->rrdhost->db[tier].eng;
if(!eng) continue;
if(st->smg[tier]) {
storage_engine_metrics_group_release(eng->seb, host->db[tier].si, st->smg[tier]);
st->smg[tier] = NULL;
}
}
rrdset_pluginsd_receive_unslot_and_cleanup(st);
}
// the destructor - the dictionary is write locked while this runs
static void rrdset_delete_callback(const DICTIONARY_ITEM *item __maybe_unused, void *rrdset, void *rrdhost) {
RRDHOST *host = rrdhost;
RRDSET *st = rrdset;
rrdset_flag_clear(st, RRDSET_FLAG_INDEXED_ID);
rrdset_finalize_collection(st, false);
rrdset_rrdpush_send_chart_slot_release(st);
// remove it from the name index
rrdset_index_del_name(host, st);
// release the collector info
dictionary_destroy(st->functions_view);
rrdcalc_unlink_and_delete_all_rrdset_alerts(st);
// ------------------------------------------------------------------------
// the order of destruction is important here
// 1. delete RRDVAR index after the above, to avoid triggering its garbage collector (they have references on this)
rrdvariables_destroy(st->rrdvars); // free all variables and destroy the rrdvar dictionary
// 2. delete RRDDIMs, now their variables are not existing, so this is fast
rrddim_index_destroy(st); // free all the dimensions and destroy the dimensions index
// 3. this has to be after the dimensions are freed, but before labels are freed (contexts need the labels)
rrdcontext_removed_rrdset(st); // let contexts know
// 4. destroy the chart labels
rrdlabels_destroy(st->rrdlabels); // destroy the labels, after letting the contexts know
// 5. destroy the ml handle
ml_chart_delete(st);
// ------------------------------------------------------------------------
// free it
string_freez(st->id);
string_freez(st->name);
string_freez(st->parts.id);
string_freez(st->parts.type);
string_freez(st->parts.name);
string_freez(st->family);
string_freez(st->title);
string_freez(st->units);
string_freez(st->context);
string_freez(st->plugin_name);
string_freez(st->module_name);
freez(st->exporting_flags);
}
// the item to be inserted, is already in the dictionary
// this callback deals with the situation, migrating the existing object to the new values
// the dictionary is write locked while this runs
static bool rrdset_conflict_callback(const DICTIONARY_ITEM *item __maybe_unused, void *rrdset, void *new_rrdset, void *constructor_data) {
(void)new_rrdset; // it is NULL
struct rrdset_constructor *ctr = constructor_data;
RRDSET *st = rrdset;
rrdset_isnot_obsolete___safe_from_collector_thread(st);
ctr->react_action = RRDSET_REACT_NONE;
if (rrdset_reset_name(st, (ctr->name && *ctr->name) ? ctr->name : ctr->id) == 2)
ctr->react_action |= RRDSET_REACT_UPDATED;
if (unlikely(st->priority != ctr->priority)) {
st->priority = ctr->priority;
ctr->react_action |= RRDSET_REACT_UPDATED;
}
if (unlikely(st->update_every != ctr->update_every)) {
rrdset_set_update_every_s(st, ctr->update_every);
ctr->react_action |= RRDSET_REACT_UPDATED;
}
if(ctr->plugin && *ctr->plugin) {
STRING *old_plugin = st->plugin_name;
st->plugin_name = rrd_string_strdupz(ctr->plugin);
if (old_plugin != st->plugin_name)
ctr->react_action |= RRDSET_REACT_PLUGIN_UPDATED;
string_freez(old_plugin);
}
if(ctr->module && *ctr->module) {
STRING *old_module = st->module_name;
st->module_name = rrd_string_strdupz(ctr->module);
if (old_module != st->module_name)
ctr->react_action |= RRDSET_REACT_MODULE_UPDATED;
string_freez(old_module);
}
if(ctr->title && *ctr->title) {
STRING *old_title = st->title;
st->title = rrd_string_strdupz(ctr->title);
if(old_title != st->title)
ctr->react_action |= RRDSET_REACT_UPDATED;
string_freez(old_title);
}
if(ctr->units && *ctr->units) {
STRING *old_units = st->units;
st->units = rrd_string_strdupz(ctr->units);
if(old_units != st->units)
ctr->react_action |= RRDSET_REACT_UPDATED;
string_freez(old_units);
}
if(ctr->family && *ctr->family) {
STRING *old_family = st->family;
st->family = rrd_string_strdupz(ctr->family);
if(old_family != st->family)
ctr->react_action |= RRDSET_REACT_UPDATED;
string_freez(old_family);
}
if(ctr->context && *ctr->context) {
STRING *old_context = st->context;
st->context = rrd_string_strdupz(ctr->context);
if(old_context != st->context)
ctr->react_action |= RRDSET_REACT_UPDATED;
string_freez(old_context);
}
if(st->chart_type != ctr->chart_type) {
st->chart_type = ctr->chart_type;
ctr->react_action |= RRDSET_REACT_UPDATED;
}
rrdset_update_permanent_labels(st);
rrdset_flag_set(st, RRDSET_FLAG_SYNC_CLOCK);
rrdset_flag_set(st, RRDSET_FLAG_PENDING_HEALTH_INITIALIZATION);
rrdhost_flag_set(st->rrdhost, RRDHOST_FLAG_PENDING_HEALTH_INITIALIZATION);
return ctr->react_action != RRDSET_REACT_NONE;
}
// this is called after all insertions/conflicts, with the dictionary unlocked, with a reference to RRDSET
// so, any actions requiring locks on other objects, should be placed here
static void rrdset_react_callback(const DICTIONARY_ITEM *item __maybe_unused, void *rrdset, void *constructor_data) {
struct rrdset_constructor *ctr = constructor_data;
RRDSET *st = rrdset;
RRDHOST *host = st->rrdhost;
st->last_accessed_time_s = now_realtime_sec();
if(ctr->react_action & (RRDSET_REACT_NEW | RRDSET_REACT_PLUGIN_UPDATED | RRDSET_REACT_MODULE_UPDATED)) {
if (ctr->react_action & RRDSET_REACT_NEW) {
if(unlikely(rrdcontext_find_chart_uuid(st, &st->chart_uuid)))
uuid_generate(st->chart_uuid);
}
rrdset_flag_set(st, RRDSET_FLAG_METADATA_UPDATE);
rrdhost_flag_set(host, RRDHOST_FLAG_METADATA_UPDATE);
}
rrdset_metadata_updated(st);
}
void rrdset_index_init(RRDHOST *host) {
if(!host->rrdset_root_index) {
host->rrdset_root_index = dictionary_create_advanced(DICT_OPTION_DONT_OVERWRITE_VALUE | DICT_OPTION_FIXED_SIZE,
&dictionary_stats_category_rrdset_rrddim, sizeof(RRDSET));
dictionary_register_insert_callback(host->rrdset_root_index, rrdset_insert_callback, NULL);
dictionary_register_conflict_callback(host->rrdset_root_index, rrdset_conflict_callback, NULL);
dictionary_register_react_callback(host->rrdset_root_index, rrdset_react_callback, NULL);
dictionary_register_delete_callback(host->rrdset_root_index, rrdset_delete_callback, host);
}
if(!host->rrdset_root_index_name) {
host->rrdset_root_index_name = dictionary_create_advanced(
DICT_OPTION_NAME_LINK_DONT_CLONE | DICT_OPTION_VALUE_LINK_DONT_CLONE | DICT_OPTION_DONT_OVERWRITE_VALUE,
&dictionary_stats_category_rrdset_rrddim, 0);
dictionary_register_insert_callback(host->rrdset_root_index_name, rrdset_name_insert_callback, host);
dictionary_register_delete_callback(host->rrdset_root_index_name, rrdset_name_delete_callback, host);
}
}
void rrdset_index_destroy(RRDHOST *host) {
// destroy the name index first
dictionary_destroy(host->rrdset_root_index_name);
host->rrdset_root_index_name = NULL;
// destroy the id index last
dictionary_destroy(host->rrdset_root_index);
host->rrdset_root_index = NULL;
}
static inline RRDSET *rrdset_index_add(RRDHOST *host, const char *id, struct rrdset_constructor *st_ctr) {
return dictionary_set_advanced(host->rrdset_root_index, id, -1, NULL, sizeof(RRDSET), st_ctr);
}
static inline void rrdset_index_del(RRDHOST *host, RRDSET *st) {
if(rrdset_flag_check(st, RRDSET_FLAG_INDEXED_ID))
dictionary_del(host->rrdset_root_index, rrdset_id(st));
}
static RRDSET *rrdset_index_find(RRDHOST *host, const char *id) {
// TODO - the name index should have an acquired dictionary item, not just a pointer to RRDSET
if (unlikely(!host->rrdset_root_index))
return NULL;
return dictionary_get(host->rrdset_root_index, id);
}
// ----------------------------------------------------------------------------
// RRDSET - find charts
inline RRDSET *rrdset_find(RRDHOST *host, const char *id) {
netdata_log_debug(D_RRD_CALLS, "rrdset_find() for chart '%s' in host '%s'", id, rrdhost_hostname(host));
RRDSET *st = rrdset_index_find(host, id);
if(st)
st->last_accessed_time_s = now_realtime_sec();
return(st);
}
inline RRDSET *rrdset_find_bytype(RRDHOST *host, const char *type, const char *id) {
netdata_log_debug(D_RRD_CALLS, "rrdset_find_bytype() for chart '%s.%s' in host '%s'", type, id, rrdhost_hostname(host));
char buf[RRD_ID_LENGTH_MAX + 1];
strncpyz(buf, type, RRD_ID_LENGTH_MAX - 1);
strcat(buf, ".");
int len = (int) strlen(buf);
strncpyz(&buf[len], id, (size_t) (RRD_ID_LENGTH_MAX - len));
return(rrdset_find(host, buf));
}
inline RRDSET *rrdset_find_byname(RRDHOST *host, const char *name) {
netdata_log_debug(D_RRD_CALLS, "rrdset_find_byname() for chart '%s' in host '%s'", name, rrdhost_hostname(host));
RRDSET *st = rrdset_index_find_name(host, name);
return(st);
}
RRDSET_ACQUIRED *rrdset_find_and_acquire(RRDHOST *host, const char *id) {
netdata_log_debug(D_RRD_CALLS, "rrdset_find_and_acquire() for host %s, chart %s", rrdhost_hostname(host), id);
return (RRDSET_ACQUIRED *)dictionary_get_and_acquire_item(host->rrdset_root_index, id);
}
RRDSET *rrdset_acquired_to_rrdset(RRDSET_ACQUIRED *rsa) {
if(unlikely(!rsa))
return NULL;
return (RRDSET *) dictionary_acquired_item_value((const DICTIONARY_ITEM *)rsa);
}
void rrdset_acquired_release(RRDSET_ACQUIRED *rsa) {
if(unlikely(!rsa))
return;
RRDSET *rs = rrdset_acquired_to_rrdset(rsa);
dictionary_acquired_item_release(rs->rrdhost->rrdset_root_index, (const DICTIONARY_ITEM *)rsa);
}
// ----------------------------------------------------------------------------
// RRDSET - rename charts
char *rrdset_strncpyz_name(char *to, const char *from, size_t length) {
char c, *p = to;
while (length-- && (c = *from++)) {
if(c != '.' && c != '-' && !isalnum(c))
c = '_';
*p++ = c;
}
*p = '\0';
return to;
}
int rrdset_reset_name(RRDSET *st, const char *name) {
if(unlikely(!strcmp(rrdset_name(st), name)))
return 1;
RRDHOST *host = st->rrdhost;
netdata_log_debug(D_RRD_CALLS, "rrdset_reset_name() old: '%s', new: '%s'", rrdset_name(st), name);
STRING *name_string = rrdset_fix_name(host, rrdset_id(st), rrdset_parts_type(st), string2str(st->name), name);
if(!name_string) return 0;
if(st->name) {
rrdset_index_del_name(host, st);
string_freez(st->name);
st->name = name_string;
}
else
st->name = name_string;
rrdset_index_add_name(host, st);
rrdset_flag_clear(st, RRDSET_FLAG_EXPORTING_SEND);
rrdset_flag_clear(st, RRDSET_FLAG_EXPORTING_IGNORE);
rrdset_flag_clear(st, RRDSET_FLAG_UPSTREAM_SEND);
rrdset_flag_clear(st, RRDSET_FLAG_UPSTREAM_IGNORE);
rrdset_metadata_updated(st);
rrdcontext_updated_rrdset_name(st);
return 2;
}
// get the timestamp of the last entry in the round-robin database
time_t rrdset_last_entry_s(RRDSET *st) {
RRDDIM *rd;
time_t last_entry_s = 0;
rrddim_foreach_read(rd, st) {
time_t t = rrddim_last_entry_s(rd);
if(t > last_entry_s) last_entry_s = t;
}
rrddim_foreach_done(rd);
return last_entry_s;
}
time_t rrdset_last_entry_s_of_tier(RRDSET *st, size_t tier) {
RRDDIM *rd;
time_t last_entry_s = 0;
rrddim_foreach_read(rd, st) {
time_t t = rrddim_last_entry_s_of_tier(rd, tier);
if(t > last_entry_s) last_entry_s = t;
}
rrddim_foreach_done(rd);
return last_entry_s;
}
// get the timestamp of first entry in the round-robin database
time_t rrdset_first_entry_s(RRDSET *st) {
RRDDIM *rd;
time_t first_entry_s = LONG_MAX;
rrddim_foreach_read(rd, st) {
time_t t = rrddim_first_entry_s(rd);
if(t < first_entry_s)
first_entry_s = t;
}
rrddim_foreach_done(rd);
if (unlikely(LONG_MAX == first_entry_s)) return 0;
return first_entry_s;
}
time_t rrdset_first_entry_s_of_tier(RRDSET *st, size_t tier) {
if(unlikely(tier > storage_tiers))
return 0;
RRDDIM *rd;
time_t first_entry_s = LONG_MAX;
rrddim_foreach_read(rd, st) {
time_t t = rrddim_first_entry_s_of_tier(rd, tier);
if(t && t < first_entry_s)
first_entry_s = t;
}
rrddim_foreach_done(rd);
if (unlikely(LONG_MAX == first_entry_s)) return 0;
return first_entry_s;
}
void rrdset_get_retention_of_tier_for_collected_chart(RRDSET *st, time_t *first_time_s, time_t *last_time_s, time_t now_s, size_t tier) {
if(!now_s)
now_s = now_realtime_sec();
time_t db_first_entry_s = rrdset_first_entry_s_of_tier(st, tier);
time_t db_last_entry_s = st->last_updated.tv_sec; // we assume this is a collected RRDSET
if(unlikely(!db_last_entry_s)) {
db_last_entry_s = rrdset_last_entry_s_of_tier(st, tier);
if (unlikely(!db_last_entry_s)) {
// we assume this is a collected RRDSET
db_first_entry_s = 0;
db_last_entry_s = 0;
}
}
if(unlikely(db_last_entry_s > now_s)) {
internal_error(db_last_entry_s > now_s + 1,
"RRDSET: 'host:%s/chart:%s' latest db time %ld is in the future, adjusting it to now %ld",
rrdhost_hostname(st->rrdhost), rrdset_id(st),
db_last_entry_s, now_s);
db_last_entry_s = now_s;
}
if(unlikely(db_first_entry_s && db_last_entry_s && db_first_entry_s >= db_last_entry_s)) {
internal_error(db_first_entry_s > db_last_entry_s,
"RRDSET: 'host:%s/chart:%s' oldest db time %ld is bigger than latest db time %ld, adjusting it to (latest time %ld - update every %ld)",
rrdhost_hostname(st->rrdhost), rrdset_id(st),
db_first_entry_s, db_last_entry_s,
db_last_entry_s, (time_t)st->update_every);
db_first_entry_s = db_last_entry_s - st->update_every;
}
if(unlikely(!db_first_entry_s && db_last_entry_s))
// this can be the case on the first data collection of a chart
db_first_entry_s = db_last_entry_s - st->update_every;
*first_time_s = db_first_entry_s;
*last_time_s = db_last_entry_s;
}
inline void rrdset_is_obsolete___safe_from_collector_thread(RRDSET *st) {
rrdset_pluginsd_receive_unslot(st);
if(unlikely(!(rrdset_flag_check(st, RRDSET_FLAG_OBSOLETE)))) {
// netdata_log_info("Setting obsolete flag on chart 'host:%s/chart:%s'",
// rrdhost_hostname(st->rrdhost), rrdset_id(st));
rrdset_flag_set(st, RRDSET_FLAG_OBSOLETE);
rrdhost_flag_set(st->rrdhost, RRDHOST_FLAG_PENDING_OBSOLETE_CHARTS);
st->last_accessed_time_s = now_realtime_sec();
rrdset_metadata_updated(st);
// the chart will not get more updates (data collection)
// so, we have to push its definition now
rrdset_push_chart_definition_now(st);
rrdcontext_updated_rrdset_flags(st);
}
}
inline void rrdset_isnot_obsolete___safe_from_collector_thread(RRDSET *st) {
if(unlikely((rrdset_flag_check(st, RRDSET_FLAG_OBSOLETE)))) {
// netdata_log_info("Clearing obsolete flag on chart 'host:%s/chart:%s'",
// rrdhost_hostname(st->rrdhost), rrdset_id(st));
rrdset_flag_clear(st, RRDSET_FLAG_OBSOLETE);
st->last_accessed_time_s = now_realtime_sec();
rrdset_metadata_updated(st);
// the chart will be pushed upstream automatically
// due to data collection
rrdcontext_updated_rrdset_flags(st);
}
}
inline void rrdset_update_heterogeneous_flag(RRDSET *st) {
RRDHOST *host = st->rrdhost;
(void)host;
RRDDIM *rd;
rrdset_flag_clear(st, RRDSET_FLAG_HOMOGENEOUS_CHECK);
bool init = false, is_heterogeneous = false;
RRD_ALGORITHM algorithm;
int32_t multiplier;
int32_t divisor;
rrddim_foreach_read(rd, st) {
if(!init) {
algorithm = rd->algorithm;
multiplier = rd->multiplier;
divisor = ABS(rd->divisor);
init = true;
continue;
}
if(algorithm != rd->algorithm || multiplier != ABS(rd->multiplier) || divisor != ABS(rd->divisor)) {
if(!rrdset_flag_check(st, RRDSET_FLAG_HETEROGENEOUS)) {
#ifdef NETDATA_INTERNAL_CHECKS
netdata_log_info("Dimension '%s' added on chart '%s' of host '%s' is not homogeneous to other dimensions already present "
"(algorithm is '%s' vs '%s', multiplier is %d vs %d, "
"divisor is %d vs %d).",
rrddim_name(rd),
rrdset_name(st),
rrdhost_hostname(host),
rrd_algorithm_name(rd->algorithm), rrd_algorithm_name(algorithm),
rd->multiplier, multiplier,
rd->divisor, divisor
);
#endif
rrdset_flag_set(st, RRDSET_FLAG_HETEROGENEOUS);
}
is_heterogeneous = true;
break;
}
}
rrddim_foreach_done(rd);
if(!is_heterogeneous) {
rrdset_flag_clear(st, RRDSET_FLAG_HETEROGENEOUS);
rrdcontext_updated_rrdset_flags(st);
}
}
// ----------------------------------------------------------------------------
// RRDSET - reset a chart
void rrdset_reset(RRDSET *st) {
netdata_log_debug(D_RRD_CALLS, "rrdset_reset() %s", rrdset_name(st));
st->last_collected_time.tv_sec = 0;
st->last_collected_time.tv_usec = 0;
st->last_updated.tv_sec = 0;
st->last_updated.tv_usec = 0;
st->db.current_entry = 0;
st->counter = 0;
st->counter_done = 0;
RRDDIM *rd;
rrddim_foreach_read(rd, st) {
rd->collector.last_collected_time.tv_sec = 0;
rd->collector.last_collected_time.tv_usec = 0;
rd->collector.counter = 0;
if(!rrddim_flag_check(rd, RRDDIM_FLAG_ARCHIVED)) {
for(size_t tier = 0; tier < storage_tiers ;tier++)
storage_engine_store_flush(rd->tiers[tier].sch);
}
}
rrddim_foreach_done(rd);
}
// ----------------------------------------------------------------------------
// RRDSET - helpers for rrdset_create()
inline long align_entries_to_pagesize(RRD_MEMORY_MODE mode, long entries) {
if(mode == RRD_MEMORY_MODE_DBENGINE) return 0;
if(mode == RRD_MEMORY_MODE_NONE) return 5;
if(entries < 5) entries = 5;
if(entries > RRD_HISTORY_ENTRIES_MAX) entries = RRD_HISTORY_ENTRIES_MAX;
if(mode == RRD_MEMORY_MODE_RAM) {
long header_size = 0;
long page = (long)sysconf(_SC_PAGESIZE);
long size = (long)(header_size + entries * sizeof(storage_number));
if (unlikely(size % page)) {
size -= (size % page);
size += page;
long n = (long)((size - header_size) / sizeof(storage_number));
return n;
}
}
return entries;
}
static inline void last_collected_time_align(RRDSET *st) {
st->last_collected_time.tv_sec -= st->last_collected_time.tv_sec % st->update_every;
if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_STORE_FIRST)))
st->last_collected_time.tv_usec = 0;
else
st->last_collected_time.tv_usec = 500000;
}
static inline void last_updated_time_align(RRDSET *st) {
st->last_updated.tv_sec -= st->last_updated.tv_sec % st->update_every;
st->last_updated.tv_usec = 0;
}
// ----------------------------------------------------------------------------
// RRDSET - free a chart
void rrdset_free(RRDSET *st) {
if(unlikely(!st)) return;
rrdset_index_del(st->rrdhost, st);
}
// ----------------------------------------------------------------------------
// RRDSET - create a chart
RRDSET *rrdset_create_custom(
RRDHOST *host
, const char *type
, const char *id
, const char *name
, const char *family
, const char *context
, const char *title
, const char *units
, const char *plugin
, const char *module
, long priority
, int update_every
, RRDSET_TYPE chart_type
, RRD_MEMORY_MODE memory_mode
, long history_entries
) {
if (host != localhost)
host->child_last_chart_command = now_realtime_sec();
if(!type || !type[0])
fatal("Cannot create rrd stats without a type: id '%s', name '%s', family '%s', context '%s', title '%s', units '%s', plugin '%s', module '%s'."
, (id && *id)?id:"<unset>"
, (name && *name)?name:"<unset>"
, (family && *family)?family:"<unset>"
, (context && *context)?context:"<unset>"
, (title && *title)?title:"<unset>"
, (units && *units)?units:"<unset>"
, (plugin && *plugin)?plugin:"<unset>"
, (module && *module)?module:"<unset>"
);
if(!id || !id[0])
fatal("Cannot create rrd stats without an id: type '%s', name '%s', family '%s', context '%s', title '%s', units '%s', plugin '%s', module '%s'."
, type
, (name && *name)?name:"<unset>"
, (family && *family)?family:"<unset>"
, (context && *context)?context:"<unset>"
, (title && *title)?title:"<unset>"
, (units && *units)?units:"<unset>"
, (plugin && *plugin)?plugin:"<unset>"
, (module && *module)?module:"<unset>"
);
// ------------------------------------------------------------------------
// check if it already exists
char full_id[RRD_ID_LENGTH_MAX + 1];
snprintfz(full_id, RRD_ID_LENGTH_MAX, "%s.%s", type, id);
// ------------------------------------------------------------------------
// allocate it
netdata_log_debug(D_RRD_CALLS, "Creating RRD_STATS for '%s.%s'.", type, id);
struct rrdset_constructor tmp = {
.host = host,
.type = type,
.id = id,
.name = name,
.family = family,
.context = context,
.title = title,
.units = units,
.plugin = plugin,
.module = module,
.priority = priority,
.update_every = update_every,
.chart_type = chart_type,
.memory_mode = memory_mode,
.history_entries = history_entries,
};
RRDSET *st = rrdset_index_add(host, full_id, &tmp);
return(st);
}
// ----------------------------------------------------------------------------
// RRDSET - data collection iteration control
void rrdset_timed_next(RRDSET *st, struct timeval now, usec_t duration_since_last_update) {
#ifdef NETDATA_INTERNAL_CHECKS
char *discard_reason = NULL;
usec_t discarded = duration_since_last_update;
#endif
if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_SYNC_CLOCK))) {
// the chart needs to be re-synced to current time
rrdset_flag_clear(st, RRDSET_FLAG_SYNC_CLOCK);
// discard the duration supplied
duration_since_last_update = 0;
#ifdef NETDATA_INTERNAL_CHECKS
if(!discard_reason) discard_reason = "SYNC CLOCK FLAG";
#endif
}
if(unlikely(!st->last_collected_time.tv_sec)) {
// the first entry
duration_since_last_update = st->update_every * USEC_PER_SEC;
#ifdef NETDATA_INTERNAL_CHECKS
if(!discard_reason) discard_reason = "FIRST DATA COLLECTION";
#endif
}
else if(unlikely(!duration_since_last_update)) {
// no dt given by the plugin
duration_since_last_update = dt_usec(&now, &st->last_collected_time);
#ifdef NETDATA_INTERNAL_CHECKS
if(!discard_reason) discard_reason = "NO USEC GIVEN BY COLLECTOR";
#endif
}
else {
// microseconds has the time since the last collection
susec_t since_last_usec = dt_usec_signed(&now, &st->last_collected_time);
if(unlikely(since_last_usec < 0)) {
// oops! the database is in the future
#ifdef NETDATA_INTERNAL_CHECKS
netdata_log_info("RRD database for chart '%s' on host '%s' is %0.5" NETDATA_DOUBLE_MODIFIER
" secs in the future (counter #%u, update #%u). Adjusting it to current time."
, rrdset_id(st)
, rrdhost_hostname(st->rrdhost)
, (NETDATA_DOUBLE)-since_last_usec / USEC_PER_SEC
, st->counter
, st->counter_done
);
#endif
duration_since_last_update = 0;
#ifdef NETDATA_INTERNAL_CHECKS
if(!discard_reason) discard_reason = "COLLECTION TIME IN FUTURE";
#endif
}
else if(unlikely((usec_t)since_last_usec > (usec_t)(st->update_every * 5 * USEC_PER_SEC))) {
// oops! the database is too far behind
#ifdef NETDATA_INTERNAL_CHECKS
netdata_log_info("RRD database for chart '%s' on host '%s' is %0.5" NETDATA_DOUBLE_MODIFIER
" secs in the past (counter #%u, update #%u). Adjusting it to current time.",
rrdset_id(st), rrdhost_hostname(st->rrdhost), (NETDATA_DOUBLE)since_last_usec / USEC_PER_SEC,
st->counter, st->counter_done);
#endif
duration_since_last_update = (usec_t)since_last_usec;
#ifdef NETDATA_INTERNAL_CHECKS
if(!discard_reason) discard_reason = "COLLECTION TIME TOO FAR IN THE PAST";
#endif
}
#ifdef NETDATA_INTERNAL_CHECKS
if(since_last_usec > 0 && (susec_t) duration_since_last_update < since_last_usec) {
static __thread susec_t min_delta = USEC_PER_SEC * 3600, permanent_min_delta = 0;
static __thread time_t last_time_s = 0;
// the first time initialize it so that it will make the check later
if(last_time_s == 0) last_time_s = now.tv_sec + 60;
susec_t delta = since_last_usec - (susec_t) duration_since_last_update;
if(delta < min_delta) min_delta = delta;
if(now.tv_sec >= last_time_s + 60) {
last_time_s = now.tv_sec;
if(min_delta > permanent_min_delta) {
netdata_log_info("MINIMUM MICROSECONDS DELTA of thread %d increased from %"PRIi64" to %"PRIi64" (+%"PRIi64")", gettid_cached(), permanent_min_delta, min_delta, min_delta - permanent_min_delta);
permanent_min_delta = min_delta;
}
min_delta = USEC_PER_SEC * 3600;
}
}
#endif
}
netdata_log_debug(D_RRD_CALLS, "rrdset_timed_next() for chart %s with duration since last update %"PRIu64" usec", rrdset_name(st), duration_since_last_update);
rrdset_debug(st, "NEXT: %"PRIu64" microseconds", duration_since_last_update);
internal_error(discarded && discarded != duration_since_last_update,
"host '%s', chart '%s': discarded data collection time of %"PRIu64" usec, "
"replaced with %"PRIu64" usec, reason: '%s'"
, rrdhost_hostname(st->rrdhost)
, rrdset_id(st)
, discarded
, duration_since_last_update
, discard_reason?discard_reason:"UNDEFINED"
);
st->usec_since_last_update = duration_since_last_update;
}
inline void rrdset_next_usec_unfiltered(RRDSET *st, usec_t duration_since_last_update) {
if(unlikely(!st->last_collected_time.tv_sec || !duration_since_last_update || (rrdset_flag_check(st, RRDSET_FLAG_SYNC_CLOCK)))) {
// call the full next_usec() function
rrdset_next_usec(st, duration_since_last_update);
return;
}
st->usec_since_last_update = duration_since_last_update;
}
inline void rrdset_next_usec(RRDSET *st, usec_t duration_since_last_update) {
struct timeval now;
now_realtime_timeval(&now);
rrdset_timed_next(st, now, duration_since_last_update);
}
// ----------------------------------------------------------------------------
// RRDSET - process the collected values for all dimensions of a chart
static inline usec_t rrdset_init_last_collected_time(RRDSET *st, struct timeval now) {
st->last_collected_time = now;
last_collected_time_align(st);
usec_t last_collect_ut = st->last_collected_time.tv_sec * USEC_PER_SEC + st->last_collected_time.tv_usec;
rrdset_debug(st, "initialized last collected time to %0.3" NETDATA_DOUBLE_MODIFIER, (NETDATA_DOUBLE)last_collect_ut / USEC_PER_SEC);
return last_collect_ut;
}
static inline usec_t rrdset_update_last_collected_time(RRDSET *st) {
usec_t last_collect_ut = st->last_collected_time.tv_sec * USEC_PER_SEC + st->last_collected_time.tv_usec;
usec_t ut = last_collect_ut + st->usec_since_last_update;
st->last_collected_time.tv_sec = (time_t) (ut / USEC_PER_SEC);
st->last_collected_time.tv_usec = (suseconds_t) (ut % USEC_PER_SEC);
rrdset_debug(st, "updated last collected time to %0.3" NETDATA_DOUBLE_MODIFIER, (NETDATA_DOUBLE)last_collect_ut / USEC_PER_SEC);
return last_collect_ut;
}
static inline void rrdset_init_last_updated_time(RRDSET *st) {
// copy the last collected time to last updated time
st->last_updated.tv_sec = st->last_collected_time.tv_sec;
st->last_updated.tv_usec = st->last_collected_time.tv_usec;
if(rrdset_flag_check(st, RRDSET_FLAG_STORE_FIRST))
st->last_updated.tv_sec -= st->update_every;
last_updated_time_align(st);
}
static __thread size_t rrdset_done_statistics_points_stored_per_tier[RRD_STORAGE_TIERS];
static inline time_t tier_next_point_time_s(RRDDIM *rd, struct rrddim_tier *t, time_t now_s) {
time_t loop = (time_t)rd->rrdset->update_every * (time_t)t->tier_grouping;
return now_s + loop - ((now_s + loop) % loop);
}
void store_metric_at_tier(RRDDIM *rd, size_t tier, struct rrddim_tier *t, STORAGE_POINT sp, usec_t now_ut __maybe_unused) {
if (unlikely(!t->next_point_end_time_s))
t->next_point_end_time_s = tier_next_point_time_s(rd, t, sp.end_time_s);
if(unlikely(sp.start_time_s >= t->next_point_end_time_s)) {
// flush the virtual point, it is done
if (likely(!storage_point_is_unset(t->virtual_point))) {
storage_engine_store_metric(
t->sch,
t->next_point_end_time_s * USEC_PER_SEC,
t->virtual_point.sum,
t->virtual_point.min,
t->virtual_point.max,
t->virtual_point.count,
t->virtual_point.anomaly_count,
t->virtual_point.flags);
}
else {
storage_engine_store_metric(
t->sch,
t->next_point_end_time_s * USEC_PER_SEC,
NAN,
NAN,
NAN,
0,
0, SN_FLAG_NONE);
}
rrdset_done_statistics_points_stored_per_tier[tier]++;
t->virtual_point.count = 0; // make the point unset
t->next_point_end_time_s = tier_next_point_time_s(rd, t, sp.end_time_s);
}
// merge the dates into our virtual point
if (unlikely(sp.start_time_s < t->virtual_point.start_time_s))
t->virtual_point.start_time_s = sp.start_time_s;
if (likely(sp.end_time_s > t->virtual_point.end_time_s))
t->virtual_point.end_time_s = sp.end_time_s;
// merge the values into our virtual point
if (likely(!storage_point_is_gap(sp))) {
// we aggregate only non NULLs into higher tiers
if (likely(!storage_point_is_unset(t->virtual_point))) {
// merge the collected point to our virtual one
t->virtual_point.sum += sp.sum;
t->virtual_point.min = MIN(t->virtual_point.min, sp.min);
t->virtual_point.max = MAX(t->virtual_point.max, sp.max);
t->virtual_point.count += sp.count;
t->virtual_point.anomaly_count += sp.anomaly_count;
t->virtual_point.flags |= sp.flags;
}
else {
// reset our virtual point to this one
t->virtual_point = sp;
}
}
}
#ifdef NETDATA_LOG_COLLECTION_ERRORS
void rrddim_store_metric_with_trace(RRDDIM *rd, usec_t point_end_time_ut, NETDATA_DOUBLE n, SN_FLAGS flags, const char *function) {
#else // !NETDATA_LOG_COLLECTION_ERRORS
void rrddim_store_metric(RRDDIM *rd, usec_t point_end_time_ut, NETDATA_DOUBLE n, SN_FLAGS flags) {
#endif // !NETDATA_LOG_COLLECTION_ERRORS
static __thread struct log_stack_entry lgs[] = {
[0] = ND_LOG_FIELD_STR(NDF_NIDL_DIMENSION, NULL),
[1] = ND_LOG_FIELD_END(),
};
lgs[0].str = rd->id;
log_stack_push(lgs);
#ifdef NETDATA_LOG_COLLECTION_ERRORS
rd->rrddim_store_metric_count++;
if(likely(rd->rrddim_store_metric_count > 1)) {
usec_t expected = rd->rrddim_store_metric_last_ut + rd->update_every * USEC_PER_SEC;
if(point_end_time_ut != rd->rrddim_store_metric_last_ut) {
internal_error(true,
"%s COLLECTION: 'host:%s/chart:%s/dim:%s' granularity %d, collection %zu, expected to store at tier 0 a value at %llu, but it gave %llu [%s%llu usec] (called from %s(), previously by %s())",
(point_end_time_ut < rd->rrddim_store_metric_last_ut) ? "**PAST**" : "GAP",
rrdhost_hostname(rd->rrdset->rrdhost), rrdset_id(rd->rrdset), rrddim_id(rd),
rd->update_every,
rd->rrddim_store_metric_count,
expected, point_end_time_ut,
(point_end_time_ut < rd->rrddim_store_metric_last_ut)?"by -" : "gap ",
expected - point_end_time_ut,
function,
rd->rrddim_store_metric_last_caller?rd->rrddim_store_metric_last_caller:"none");
}
}
rd->rrddim_store_metric_last_ut = point_end_time_ut;
rd->rrddim_store_metric_last_caller = function;
#endif // NETDATA_LOG_COLLECTION_ERRORS
// store the metric on tier 0
storage_engine_store_metric(rd->tiers[0].sch, point_end_time_ut,
n, 0, 0,
1, 0, flags);
rrdset_done_statistics_points_stored_per_tier[0]++;
time_t now_s = (time_t)(point_end_time_ut / USEC_PER_SEC);
STORAGE_POINT sp = {
.start_time_s = now_s - rd->rrdset->update_every,
.end_time_s = now_s,
.min = n,
.max = n,
.sum = n,
.count = 1,
.anomaly_count = (flags & SN_FLAG_NOT_ANOMALOUS) ? 0 : 1,
.flags = flags
};
for(size_t tier = 1; tier < storage_tiers ;tier++) {
if(unlikely(!rd->tiers[tier].smh)) continue;
struct rrddim_tier *t = &rd->tiers[tier];
if(!rrddim_option_check(rd, RRDDIM_OPTION_BACKFILLED_HIGH_TIERS)) {
// we have not collected this tier before
// let's fill any gap that may exist
rrdr_fill_tier_gap_from_smaller_tiers(rd, tier, now_s);
rrddim_option_set(rd, RRDDIM_OPTION_BACKFILLED_HIGH_TIERS);
}
store_metric_at_tier(rd, tier, t, sp, point_end_time_ut);
}
rrdcontext_collected_rrddim(rd);
log_stack_pop(&lgs);
}
void store_metric_collection_completed() {
global_statistics_rrdset_done_chart_collection_completed(rrdset_done_statistics_points_stored_per_tier);
}
// caching of dimensions rrdset_done() and rrdset_done_interpolate() loop through
struct rda_item {
const DICTIONARY_ITEM *item;
RRDDIM *rd;
bool reset_or_overflow;
};
static __thread struct rda_item *thread_rda = NULL;
static __thread size_t thread_rda_entries = 0;
struct rda_item *rrdset_thread_rda_get(size_t *dimensions) {
if(unlikely(!thread_rda || (*dimensions) > thread_rda_entries)) {
size_t old_mem = thread_rda_entries * sizeof(struct rda_item);
freez(thread_rda);
thread_rda_entries = *dimensions;
size_t new_mem = thread_rda_entries * sizeof(struct rda_item);
thread_rda = mallocz(new_mem);
__atomic_add_fetch(&netdata_buffers_statistics.rrdset_done_rda_size, new_mem - old_mem, __ATOMIC_RELAXED);
}
*dimensions = thread_rda_entries;
return thread_rda;
}
void rrdset_thread_rda_free(void) {
__atomic_sub_fetch(&netdata_buffers_statistics.rrdset_done_rda_size, thread_rda_entries * sizeof(struct rda_item), __ATOMIC_RELAXED);
freez(thread_rda);
thread_rda = NULL;
thread_rda_entries = 0;
}
static inline size_t rrdset_done_interpolate(
RRDSET_STREAM_BUFFER *rsb
, RRDSET *st
, struct rda_item *rda_base
, size_t rda_slots
, usec_t update_every_ut
, usec_t last_stored_ut
, usec_t next_store_ut
, usec_t last_collect_ut
, usec_t now_collect_ut
, char store_this_entry
) {
RRDDIM *rd;
size_t stored_entries = 0; // the number of entries we have stored in the db, during this call to rrdset_done()
usec_t first_ut = last_stored_ut, last_ut = 0;
(void)first_ut;
ssize_t iterations = (ssize_t)((now_collect_ut - last_stored_ut) / (update_every_ut));
if((now_collect_ut % (update_every_ut)) == 0) iterations++;
size_t counter = st->counter;
long current_entry = st->db.current_entry;
for( ; next_store_ut <= now_collect_ut ; last_collect_ut = next_store_ut, next_store_ut += update_every_ut, iterations-- ) {
internal_error(iterations < 0,
"RRDSET: '%s': iterations calculation wrapped! "
"first_ut = %"PRIu64", last_stored_ut = %"PRIu64", next_store_ut = %"PRIu64", now_collect_ut = %"PRIu64""
, rrdset_id(st)
, first_ut
, last_stored_ut
, next_store_ut
, now_collect_ut
);
rrdset_debug(st, "last_stored_ut = %0.3" NETDATA_DOUBLE_MODIFIER " (last updated time)", (NETDATA_DOUBLE)last_stored_ut/USEC_PER_SEC);
rrdset_debug(st, "next_store_ut = %0.3" NETDATA_DOUBLE_MODIFIER " (next interpolation point)", (NETDATA_DOUBLE)next_store_ut/USEC_PER_SEC);
last_ut = next_store_ut;
ml_chart_update_begin(st);
struct rda_item *rda;
size_t dim_id;
for(dim_id = 0, rda = rda_base ; dim_id < rda_slots ; ++dim_id, ++rda) {
rd = rda->rd;
if(unlikely(!rd)) continue;
SN_FLAGS storage_flags = SN_DEFAULT_FLAGS;
if (rda->reset_or_overflow)
storage_flags |= SN_FLAG_RESET;
NETDATA_DOUBLE new_value;
switch(rd->algorithm) {
case RRD_ALGORITHM_INCREMENTAL:
new_value = (NETDATA_DOUBLE)
( rd->collector.calculated_value
* (NETDATA_DOUBLE)(next_store_ut - last_collect_ut)
/ (NETDATA_DOUBLE)(now_collect_ut - last_collect_ut)
);
rrdset_debug(st, "%s: CALC2 INC " NETDATA_DOUBLE_FORMAT " = "
NETDATA_DOUBLE_FORMAT
" * (%"PRIu64" - %"PRIu64")"
" / (%"PRIu64" - %"PRIu64""
, rrddim_name(rd)
, new_value
, rd->collector.calculated_value
, next_store_ut, last_collect_ut
, now_collect_ut, last_collect_ut
);
rd->collector.calculated_value -= new_value;
new_value += rd->collector.last_calculated_value;
rd->collector.last_calculated_value = 0;
new_value /= (NETDATA_DOUBLE)st->update_every;
if(unlikely(next_store_ut - last_stored_ut < update_every_ut)) {
rrdset_debug(st, "%s: COLLECTION POINT IS SHORT " NETDATA_DOUBLE_FORMAT " - EXTRAPOLATING",
rrddim_name(rd)
, (NETDATA_DOUBLE)(next_store_ut - last_stored_ut)
);
new_value = new_value * (NETDATA_DOUBLE)(st->update_every * USEC_PER_SEC) / (NETDATA_DOUBLE)(next_store_ut - last_stored_ut);
}
break;
case RRD_ALGORITHM_ABSOLUTE:
case RRD_ALGORITHM_PCENT_OVER_ROW_TOTAL:
case RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL:
default:
if(iterations == 1) {
// this is the last iteration
// do not interpolate
// just show the calculated value
new_value = rd->collector.calculated_value;
}
else {
// we have missed an update
// interpolate in the middle values
new_value = (NETDATA_DOUBLE)
( ( (rd->collector.calculated_value - rd->collector.last_calculated_value)
* (NETDATA_DOUBLE)(next_store_ut - last_collect_ut)
/ (NETDATA_DOUBLE)(now_collect_ut - last_collect_ut)
)
+ rd->collector.last_calculated_value
);
rrdset_debug(st, "%s: CALC2 DEF " NETDATA_DOUBLE_FORMAT " = ((("
"(" NETDATA_DOUBLE_FORMAT " - " NETDATA_DOUBLE_FORMAT ")"
" * %"PRIu64""
" / %"PRIu64") + " NETDATA_DOUBLE_FORMAT, rrddim_name(rd)
, new_value
, rd->collector.calculated_value, rd->collector.last_calculated_value
, (next_store_ut - first_ut)
, (now_collect_ut - first_ut), rd->collector.last_calculated_value
);
}
break;
}
time_t current_time_s = (time_t) (next_store_ut / USEC_PER_SEC);
if(unlikely(!store_this_entry)) {
(void) ml_dimension_is_anomalous(rd, current_time_s, 0, false);
if(rsb->wb && rsb->v2)
rrddim_push_metrics_v2(rsb, rd, next_store_ut, NAN, SN_FLAG_NONE);
rrddim_store_metric(rd, next_store_ut, NAN, SN_FLAG_NONE);
continue;
}
if(likely(rrddim_check_updated(rd) && rd->collector.counter > 1 && iterations < gap_when_lost_iterations_above)) {
uint32_t dim_storage_flags = storage_flags;
if (ml_dimension_is_anomalous(rd, current_time_s, new_value, true)) {
// clear anomaly bit: 0 -> is anomalous, 1 -> not anomalous
dim_storage_flags &= ~((storage_number)SN_FLAG_NOT_ANOMALOUS);
}
if(rsb->wb && rsb->v2)
rrddim_push_metrics_v2(rsb, rd, next_store_ut, new_value, dim_storage_flags);
rrddim_store_metric(rd, next_store_ut, new_value, dim_storage_flags);
rd->collector.last_stored_value = new_value;
}
else {
(void) ml_dimension_is_anomalous(rd, current_time_s, 0, false);
rrdset_debug(st, "%s: STORE[%ld] = NON EXISTING ", rrddim_name(rd), current_entry);
if(rsb->wb && rsb->v2)
rrddim_push_metrics_v2(rsb, rd, next_store_ut, NAN, SN_FLAG_NONE);
rrddim_store_metric(rd, next_store_ut, NAN, SN_FLAG_NONE);
rd->collector.last_stored_value = NAN;
}
stored_entries++;
}
ml_chart_update_end(st);
st->counter = ++counter;
st->db.current_entry = current_entry = ((current_entry + 1) >= st->db.entries) ? 0 : current_entry + 1;
st->last_updated.tv_sec = (time_t) (last_ut / USEC_PER_SEC);
st->last_updated.tv_usec = 0;
last_stored_ut = next_store_ut;
}
/*
st->counter = counter;
st->current_entry = current_entry;
if(likely(last_ut)) {
st->last_updated.tv_sec = (time_t) (last_ut / USEC_PER_SEC);
st->last_updated.tv_usec = 0;
}
*/
return stored_entries;
}
void rrdset_done(RRDSET *st) {
struct timeval now;
now_realtime_timeval(&now);
rrdset_timed_done(st, now, /* pending_rrdset_next = */ st->counter_done != 0);
}
void rrdset_timed_done(RRDSET *st, struct timeval now, bool pending_rrdset_next) {
if(unlikely(!service_running(SERVICE_COLLECTORS))) return;
RRDSET_STREAM_BUFFER stream_buffer = { .wb = NULL, };
if(unlikely(rrdhost_has_rrdpush_sender_enabled(st->rrdhost)))
stream_buffer = rrdset_push_metric_initialize(st, now.tv_sec);
spinlock_lock(&st->data_collection_lock);
if (pending_rrdset_next)
rrdset_timed_next(st, now, 0ULL);
netdata_log_debug(D_RRD_CALLS, "rrdset_done() for chart '%s'", rrdset_name(st));
RRDDIM *rd;
char
store_this_entry = 1, // boolean: 1 = store this entry, 0 = don't store this entry
first_entry = 0; // boolean: 1 = this is the first entry seen for this chart, 0 = all other entries
usec_t
last_collect_ut = 0, // the timestamp in microseconds, of the last collected value
now_collect_ut = 0, // the timestamp in microseconds, of this collected value (this is NOW)
last_stored_ut = 0, // the timestamp in microseconds, of the last stored entry in the db
next_store_ut = 0, // the timestamp in microseconds, of the next entry to store in the db
update_every_ut = st->update_every * USEC_PER_SEC; // st->update_every in microseconds
RRDSET_FLAGS rrdset_flags = rrdset_flag_check(st, ~0);
if(unlikely(rrdset_flags & RRDSET_FLAG_COLLECTION_FINISHED)) {
spinlock_unlock(&st->data_collection_lock);
return;
}
if (unlikely(rrdset_flags & RRDSET_FLAG_OBSOLETE)) {
netdata_log_error("Chart '%s' has the OBSOLETE flag set, but it is collected.", rrdset_id(st));
rrdset_isnot_obsolete___safe_from_collector_thread(st);
}
// check if the chart has a long time to be updated
if(unlikely(st->usec_since_last_update > MAX(st->db.entries, 60) * update_every_ut)) {
nd_log_daemon(NDLP_DEBUG, "host '%s', chart '%s': took too long to be updated (counter #%u, update #%u, %0.3" NETDATA_DOUBLE_MODIFIER
" secs). Resetting it.", rrdhost_hostname(st->rrdhost), rrdset_id(st), st->counter, st->counter_done,
(NETDATA_DOUBLE)st->usec_since_last_update / USEC_PER_SEC);
rrdset_reset(st);
st->usec_since_last_update = update_every_ut;
store_this_entry = 0;
first_entry = 1;
}
rrdset_debug(st, "microseconds since last update: %"PRIu64"", st->usec_since_last_update);
// set last_collected_time
if(unlikely(!st->last_collected_time.tv_sec)) {
// it is the first entry
// set the last_collected_time to now
last_collect_ut = rrdset_init_last_collected_time(st, now) - update_every_ut;
// the first entry should not be stored
store_this_entry = 0;
first_entry = 1;
}
else {
// it is not the first entry
// calculate the proper last_collected_time, using usec_since_last_update
last_collect_ut = rrdset_update_last_collected_time(st);
}
// if this set has not been updated in the past
// we fake the last_update time to be = now - usec_since_last_update
if(unlikely(!st->last_updated.tv_sec)) {
// it has never been updated before
// set a fake last_updated, in the past using usec_since_last_update
rrdset_init_last_updated_time(st);
// the first entry should not be stored
store_this_entry = 0;
first_entry = 1;
}
// check if we will re-write the entire data set
if(unlikely(dt_usec(&st->last_collected_time, &st->last_updated) > st->db.entries * update_every_ut &&
st->rrd_memory_mode != RRD_MEMORY_MODE_DBENGINE)) {
nd_log_daemon(NDLP_DEBUG, "'%s': too old data (last updated at %" PRId64 ".%" PRId64 ", last collected at %" PRId64 ".%" PRId64 "). "
"Resetting it. Will not store the next entry.",
rrdset_id(st),
(int64_t)st->last_updated.tv_sec,
(int64_t)st->last_updated.tv_usec,
(int64_t)st->last_collected_time.tv_sec,
(int64_t)st->last_collected_time.tv_usec);
rrdset_reset(st);
rrdset_init_last_updated_time(st);
st->usec_since_last_update = update_every_ut;
// the first entry should not be stored
store_this_entry = 0;
first_entry = 1;
}
// these are the 3 variables that will help us in interpolation
// last_stored_ut = the last time we added a value to the storage
// now_collect_ut = the time the current value has been collected
// next_store_ut = the time of the next interpolation point
now_collect_ut = st->last_collected_time.tv_sec * USEC_PER_SEC + st->last_collected_time.tv_usec;
last_stored_ut = st->last_updated.tv_sec * USEC_PER_SEC + st->last_updated.tv_usec;
next_store_ut = (st->last_updated.tv_sec + st->update_every) * USEC_PER_SEC;
if(unlikely(!st->counter_done)) {
// set a fake last_updated to jump to current time
rrdset_init_last_updated_time(st);
last_stored_ut = st->last_updated.tv_sec * USEC_PER_SEC + st->last_updated.tv_usec;
next_store_ut = (st->last_updated.tv_sec + st->update_every) * USEC_PER_SEC;
if(unlikely(rrdset_flags & RRDSET_FLAG_STORE_FIRST)) {
store_this_entry = 1;
last_collect_ut = next_store_ut - update_every_ut;
rrdset_debug(st, "Fixed first entry.");
}
else {
store_this_entry = 0;
rrdset_debug(st, "Will not store the next entry.");
}
}
st->counter_done++;
if(stream_buffer.wb && !stream_buffer.v2)
rrdset_push_metrics_v1(&stream_buffer, st);
size_t rda_slots = dictionary_entries(st->rrddim_root_index);
struct rda_item *rda_base = rrdset_thread_rda_get(&rda_slots);
size_t dim_id;
size_t dimensions = 0;
struct rda_item *rda = rda_base;
total_number collected_total = 0;
total_number last_collected_total = 0;
rrddim_foreach_read(rd, st) {
if(rd_dfe.counter >= rda_slots)
break;
rda = &rda_base[dimensions++];
if(rrddim_flag_check(rd, RRDDIM_FLAG_ARCHIVED)) {
rda->item = NULL;
rda->rd = NULL;
rda->reset_or_overflow = false;
continue;
}
// store the dimension in the array
rda->item = dictionary_acquired_item_dup(st->rrddim_root_index, rd_dfe.item);
rda->rd = dictionary_acquired_item_value(rda->item);
rda->reset_or_overflow = false;
// calculate totals
if(likely(rrddim_check_updated(rd))) {
// if the new is smaller than the old (an overflow, or reset), set the old equal to the new
// to reset the calculation (it will give zero as the calculation for this second)
if(unlikely(rd->algorithm == RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL && rd->collector.last_collected_value > rd->collector.collected_value)) {
netdata_log_debug(D_RRD_STATS, "'%s' / '%s': RESET or OVERFLOW. Last collected value = " COLLECTED_NUMBER_FORMAT ", current = " COLLECTED_NUMBER_FORMAT
, rrdset_id(st)
, rrddim_name(rd)
, rd->collector.last_collected_value
, rd->collector.collected_value
);
if(!(rrddim_option_check(rd, RRDDIM_OPTION_DONT_DETECT_RESETS_OR_OVERFLOWS)))
rda->reset_or_overflow = true;
rd->collector.last_collected_value = rd->collector.collected_value;
}
last_collected_total += rd->collector.last_collected_value;
collected_total += rd->collector.collected_value;
if(unlikely(rrddim_flag_check(rd, RRDDIM_FLAG_OBSOLETE))) {
netdata_log_error("Dimension %s in chart '%s' has the OBSOLETE flag set, but it is collected.", rrddim_name(rd), rrdset_id(st));
rrddim_isnot_obsolete___safe_from_collector_thread(st, rd);
}
}
}
rrddim_foreach_done(rd);
rda_slots = dimensions;
rrdset_debug(st, "last_collect_ut = %0.3" NETDATA_DOUBLE_MODIFIER " (last collection time)", (NETDATA_DOUBLE)last_collect_ut/USEC_PER_SEC);
rrdset_debug(st, "now_collect_ut = %0.3" NETDATA_DOUBLE_MODIFIER " (current collection time)", (NETDATA_DOUBLE)now_collect_ut/USEC_PER_SEC);
rrdset_debug(st, "last_stored_ut = %0.3" NETDATA_DOUBLE_MODIFIER " (last updated time)", (NETDATA_DOUBLE)last_stored_ut/USEC_PER_SEC);
rrdset_debug(st, "next_store_ut = %0.3" NETDATA_DOUBLE_MODIFIER " (next interpolation point)", (NETDATA_DOUBLE)next_store_ut/USEC_PER_SEC);
// process all dimensions to calculate their values
// based on the collected figures only
// at this stage we do not interpolate anything
for(dim_id = 0, rda = rda_base ; dim_id < rda_slots ; ++dim_id, ++rda) {
rd = rda->rd;
if(unlikely(!rd)) continue;
if(unlikely(!rrddim_check_updated(rd))) {
rd->collector.calculated_value = 0;
continue;
}
rrdset_debug(st, "%s: START "
" last_collected_value = " COLLECTED_NUMBER_FORMAT
" collected_value = " COLLECTED_NUMBER_FORMAT
" last_calculated_value = " NETDATA_DOUBLE_FORMAT
" calculated_value = " NETDATA_DOUBLE_FORMAT
, rrddim_name(rd)
, rd->collector.last_collected_value
, rd->collector.collected_value
, rd->collector.last_calculated_value
, rd->collector.calculated_value
);
switch(rd->algorithm) {
case RRD_ALGORITHM_ABSOLUTE:
rd->collector.calculated_value = (NETDATA_DOUBLE)rd->collector.collected_value
* (NETDATA_DOUBLE)rd->multiplier
/ (NETDATA_DOUBLE)rd->divisor;
rrdset_debug(st, "%s: CALC ABS/ABS-NO-IN " NETDATA_DOUBLE_FORMAT " = "
COLLECTED_NUMBER_FORMAT
" * " NETDATA_DOUBLE_FORMAT
" / " NETDATA_DOUBLE_FORMAT
, rrddim_name(rd)
, rd->collector.calculated_value
, rd->collector.collected_value
, (NETDATA_DOUBLE)rd->multiplier
, (NETDATA_DOUBLE)rd->divisor
);
break;
case RRD_ALGORITHM_PCENT_OVER_ROW_TOTAL:
if(unlikely(!collected_total))
rd->collector.calculated_value = 0;
else
// the percentage of the current value
// over the total of all dimensions
rd->collector.calculated_value =
(NETDATA_DOUBLE)100
* (NETDATA_DOUBLE)rd->collector.collected_value
/ (NETDATA_DOUBLE)collected_total;
rrdset_debug(st, "%s: CALC PCENT-ROW " NETDATA_DOUBLE_FORMAT " = 100"
" * " COLLECTED_NUMBER_FORMAT
" / " COLLECTED_NUMBER_FORMAT
, rrddim_name(rd)
, rd->collector.calculated_value
, rd->collector.collected_value
, collected_total
);
break;
case RRD_ALGORITHM_INCREMENTAL:
if(unlikely(rd->collector.counter <= 1)) {
rd->collector.calculated_value = 0;
continue;
}
// If the new is smaller than the old (an overflow, or reset), set the old equal to the new
// to reset the calculation (it will give zero as the calculation for this second).
// It is imperative to set the comparison to uint64_t since type collected_number is signed and
// produces wrong results as far as incremental counters are concerned.
if(unlikely((uint64_t)rd->collector.last_collected_value > (uint64_t)rd->collector.collected_value)) {
netdata_log_debug(D_RRD_STATS, "'%s' / '%s': RESET or OVERFLOW. Last collected value = " COLLECTED_NUMBER_FORMAT ", current = " COLLECTED_NUMBER_FORMAT
, rrdset_id(st)
, rrddim_name(rd)
, rd->collector.last_collected_value
, rd->collector.collected_value);
if(!(rrddim_option_check(rd, RRDDIM_OPTION_DONT_DETECT_RESETS_OR_OVERFLOWS)))
rda->reset_or_overflow = true;
uint64_t last = (uint64_t)rd->collector.last_collected_value;
uint64_t new = (uint64_t)rd->collector.collected_value;
uint64_t max = (uint64_t)rd->collector.collected_value_max;
uint64_t cap = 0;
// Signed values are handled by exploiting two's complement which will produce positive deltas
if (max > 0x00000000FFFFFFFFULL)
cap = 0xFFFFFFFFFFFFFFFFULL; // handles signed and unsigned 64-bit counters
else
cap = 0x00000000FFFFFFFFULL; // handles signed and unsigned 32-bit counters
uint64_t delta = cap - last + new;
uint64_t max_acceptable_rate = (cap / 100) * MAX_INCREMENTAL_PERCENT_RATE;
// If the delta is less than the maximum acceptable rate and the previous value was near the cap
// then this is an overflow. There can be false positives such that a reset is detected as an
// overflow.
// TODO: remember recent history of rates and compare with current rate to reduce this chance.
if (delta < max_acceptable_rate) {
rd->collector.calculated_value +=
(NETDATA_DOUBLE) delta
* (NETDATA_DOUBLE) rd->multiplier
/ (NETDATA_DOUBLE) rd->divisor;
} else {
// This is a reset. Any overflow with a rate greater than MAX_INCREMENTAL_PERCENT_RATE will also
// be detected as a reset instead.
rd->collector.calculated_value += (NETDATA_DOUBLE)0;
}
}
else {
rd->collector.calculated_value +=
(NETDATA_DOUBLE) (rd->collector.collected_value - rd->collector.last_collected_value)
* (NETDATA_DOUBLE) rd->multiplier
/ (NETDATA_DOUBLE) rd->divisor;
}
rrdset_debug(st, "%s: CALC INC PRE " NETDATA_DOUBLE_FORMAT " = ("
COLLECTED_NUMBER_FORMAT " - " COLLECTED_NUMBER_FORMAT
")"
" * " NETDATA_DOUBLE_FORMAT
" / " NETDATA_DOUBLE_FORMAT
, rrddim_name(rd)
, rd->collector.calculated_value
, rd->collector.collected_value, rd->collector.last_collected_value
, (NETDATA_DOUBLE)rd->multiplier
, (NETDATA_DOUBLE)rd->divisor
);
break;
case RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL:
if(unlikely(rd->collector.counter <= 1)) {
rd->collector.calculated_value = 0;
continue;
}
// the percentage of the current increment
// over the increment of all dimensions together
if(unlikely(collected_total == last_collected_total))
rd->collector.calculated_value = 0;
else
rd->collector.calculated_value =
(NETDATA_DOUBLE)100
* (NETDATA_DOUBLE)(rd->collector.collected_value - rd->collector.last_collected_value)
/ (NETDATA_DOUBLE)(collected_total - last_collected_total);
rrdset_debug(st, "%s: CALC PCENT-DIFF " NETDATA_DOUBLE_FORMAT " = 100"
" * (" COLLECTED_NUMBER_FORMAT " - " COLLECTED_NUMBER_FORMAT ")"
" / (" COLLECTED_NUMBER_FORMAT " - " COLLECTED_NUMBER_FORMAT ")"
, rrddim_name(rd)
, rd->collector.calculated_value
, rd->collector.collected_value, rd->collector.last_collected_value
, collected_total, last_collected_total
);
break;
default:
// make the default zero, to make sure
// it gets noticed when we add new types
rd->collector.calculated_value = 0;
rrdset_debug(st, "%s: CALC " NETDATA_DOUBLE_FORMAT " = 0"
, rrddim_name(rd)
, rd->collector.calculated_value
);
break;
}
rrdset_debug(st, "%s: PHASE2 "
" last_collected_value = " COLLECTED_NUMBER_FORMAT
" collected_value = " COLLECTED_NUMBER_FORMAT
" last_calculated_value = " NETDATA_DOUBLE_FORMAT
" calculated_value = " NETDATA_DOUBLE_FORMAT
, rrddim_name(rd)
, rd->collector.last_collected_value
, rd->collector.collected_value
, rd->collector.last_calculated_value
, rd->collector.calculated_value
);
}
// at this point we have all the calculated values ready
// it is now time to interpolate values on a second boundary
// #ifdef NETDATA_INTERNAL_CHECKS
// if(unlikely(now_collect_ut < next_store_ut && st->counter_done > 1)) {
// // this is collected in the same interpolation point
// rrdset_debug(st, "THIS IS IN THE SAME INTERPOLATION POINT");
// netdata_log_info("INTERNAL CHECK: host '%s', chart '%s' collection %zu is in the same interpolation point: short by %llu microseconds", st->rrdhost->hostname, rrdset_name(st), st->counter_done, next_store_ut - now_collect_ut);
// }
// #endif
rrdset_done_interpolate(
&stream_buffer
, st
, rda_base
, rda_slots
, update_every_ut
, last_stored_ut
, next_store_ut
, last_collect_ut
, now_collect_ut
, store_this_entry
);
for(dim_id = 0, rda = rda_base ; dim_id < rda_slots ; ++dim_id, ++rda) {
rd = rda->rd;
if(unlikely(!rd)) continue;
if(unlikely(!rrddim_check_updated(rd)))
continue;
rrdset_debug(st, "%s: setting last_collected_value (old: " COLLECTED_NUMBER_FORMAT ") to last_collected_value (new: " COLLECTED_NUMBER_FORMAT ")", rrddim_name(rd), rd->collector.last_collected_value, rd->collector.collected_value);
rd->collector.last_collected_value = rd->collector.collected_value;
switch(rd->algorithm) {
case RRD_ALGORITHM_INCREMENTAL:
if(unlikely(!first_entry)) {
rrdset_debug(st, "%s: setting last_calculated_value (old: " NETDATA_DOUBLE_FORMAT ") to "
"last_calculated_value (new: " NETDATA_DOUBLE_FORMAT ")"
, rrddim_name(rd)
, rd->collector.last_calculated_value + rd->collector.calculated_value
, rd->collector.calculated_value);
rd->collector.last_calculated_value += rd->collector.calculated_value;
}
else {
rrdset_debug(st, "THIS IS THE FIRST POINT");
}
break;
case RRD_ALGORITHM_ABSOLUTE:
case RRD_ALGORITHM_PCENT_OVER_ROW_TOTAL:
case RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL:
rrdset_debug(st, "%s: setting last_calculated_value (old: " NETDATA_DOUBLE_FORMAT ") to "
"last_calculated_value (new: " NETDATA_DOUBLE_FORMAT ")"
, rrddim_name(rd)
, rd->collector.last_calculated_value
, rd->collector.calculated_value);
rd->collector.last_calculated_value = rd->collector.calculated_value;
break;
}
rd->collector.calculated_value = 0;
rd->collector.collected_value = 0;
rrddim_clear_updated(rd);
rrdset_debug(st, "%s: END "
" last_collected_value = " COLLECTED_NUMBER_FORMAT
" collected_value = " COLLECTED_NUMBER_FORMAT
" last_calculated_value = " NETDATA_DOUBLE_FORMAT
" calculated_value = " NETDATA_DOUBLE_FORMAT
, rrddim_name(rd)
, rd->collector.last_collected_value
, rd->collector.collected_value
, rd->collector.last_calculated_value
, rd->collector.calculated_value
);
}
spinlock_unlock(&st->data_collection_lock);
rrdset_push_metrics_finished(&stream_buffer, st);
// ALL DONE ABOUT THE DATA UPDATE
// --------------------------------------------------------------------
for(dim_id = 0, rda = rda_base; dim_id < rda_slots ; ++dim_id, ++rda) {
rd = rda->rd;
if(unlikely(!rd)) continue;
dictionary_acquired_item_release(st->rrddim_root_index, rda->item);
rda->item = NULL;
rda->rd = NULL;
}
rrdcontext_collected_rrdset(st);
store_metric_collection_completed();
}
time_t rrdset_set_update_every_s(RRDSET *st, time_t update_every_s) {
if(unlikely(update_every_s == st->update_every))
return st->update_every;
internal_error(true, "RRDSET '%s' switching update every from %d to %d",
rrdset_id(st), (int)st->update_every, (int)update_every_s);
time_t prev_update_every_s = (time_t) st->update_every;
st->update_every = (int) update_every_s;
// switch update every to the storage engine
RRDDIM *rd;
rrddim_foreach_read(rd, st) {
for (size_t tier = 0; tier < storage_tiers; tier++) {
if (rd->tiers[tier].sch)
storage_engine_store_change_collection_frequency(
rd->tiers[tier].sch,
(int)(st->rrdhost->db[tier].tier_grouping * st->update_every));
}
}
rrddim_foreach_done(rd);
return prev_update_every_s;
}