| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | #include "rrd.h" |
| 4 | #include "storage-engine.h" |
| 5 | #include "rrddim-collection.h" |
| 6 | |
| 7 | void rrddim_metadata_updated(RRDDIM *rd) { |
| 8 | rrdcontext_updated_rrddim(rd); |
| 9 | rrdset_metadata_updated(rd->rrdset); |
| 10 | } |
| 11 | |
| 12 | // ---------------------------------------------------------------------------- |
| 13 | // RRDDIM index |
| 14 | |
| 15 | struct rrddim_constructor { |
| 16 | RRDSET *st; |
| 17 | const char *id; |
| 18 | const char *name; |
| 19 | collected_number multiplier; |
| 20 | collected_number divisor; |
| 21 | RRD_ALGORITHM algorithm; |
| 22 | RRD_DB_MODE memory_mode; |
| 23 | |
| 24 | enum { |
| 25 | RRDDIM_REACT_NONE = 0, |
| 26 | RRDDIM_REACT_NEW = (1 << 0), |
| 27 | RRDDIM_REACT_UPDATED = (1 << 2), |
| 28 | } react_action; |
| 29 | |
| 30 | }; |
| 31 | |
| 32 | // isolated call to appear |
| 33 | // separate in statistics |
| 34 | static void *rrddim_alloc_db(size_t entries) { |
| 35 | return callocz(entries, sizeof(storage_number)); |
| 36 | } |
| 37 | |
| 38 | static void rrddim_reinitialize_collection(RRDDIM *rd) { |
| 39 | RRDSET *st = rd->rrdset; |
| 40 | |
| 41 | for(size_t tier = 0; tier < nd_profile.storage_tiers; tier++) { |
| 42 | if (!rd->tiers[tier].sch) |
| 43 | rd->tiers[tier].sch = |
| 44 | storage_metric_store_init(rd->tiers[tier].seb, rd->tiers[tier].smh, st->rrdhost->db[tier].tier_grouping * st->update_every, rd->rrdset->smg[tier]); |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | static void rrddim_insert_callback(const DICTIONARY_ITEM *item __maybe_unused, void *rrddim, void *constructor_data) { |
| 49 | struct rrddim_constructor *ctr = constructor_data; |
| 50 | RRDDIM *rd = rrddim; |
| 51 | RRDSET *st = ctr->st; |
| 52 | RRDHOST *host = st->rrdhost; |
| 53 | |
| 54 | spinlock_init(&rd->destroy_lock); |
| 55 | |
| 56 | rd->flags = RRDDIM_FLAG_NONE; |
| 57 | |
| 58 | rd->id = string_strdupz(ctr->id); |
| 59 | rd->name = (ctr->name && *ctr->name)?rrd_string_strdupz(ctr->name):string_dup(rd->id); |
| 60 | |
| 61 | rd->algorithm = ctr->algorithm; |
| 62 | rd->multiplier = ctr->multiplier; |
| 63 | rd->divisor = ctr->divisor; |
| 64 | if(!rd->divisor) rd->divisor = 1; |
| 65 | |
| 66 | rd->rrdset = st; |
| 67 | |
| 68 | rd->stream.snd.dim_slot = __atomic_add_fetch(&st->stream.snd.dim_last_slot_used, 1, __ATOMIC_RELAXED); |
| 69 | |
| 70 | if(rrdset_flag_check(st, RRDSET_FLAG_STORE_FIRST)) |
| 71 | rd->collector.counter = 1; |
| 72 | |
| 73 | if(ctr->memory_mode == RRD_DB_MODE_RAM) { |
| 74 | size_t entries = st->db.entries; |
| 75 | if(!entries) entries = 5; |
| 76 | |
| 77 | rd->db.data = nd_mmap_advanced(NULL, entries * sizeof(storage_number), MAP_PRIVATE, 1, false, true, NULL); |
| 78 | if(rd->db.data) { |
| 79 | rd->db.memsize = entries * sizeof(storage_number); |
| 80 | pulse_db_rrd_memory_add(rd->db.memsize); |
| 81 | } |
| 82 | else { |
| 83 | netdata_log_info("Failed to use memory mode ram for chart '%s', dimension '%s', falling back to alloc", rrdset_name(st), rrddim_name(rd)); |
| 84 | ctr->memory_mode = RRD_DB_MODE_ALLOC; |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | if(ctr->memory_mode == RRD_DB_MODE_ALLOC || ctr->memory_mode == RRD_DB_MODE_NONE) { |
| 89 | size_t entries = st->db.entries; |
| 90 | if(entries < 5) entries = 5; |
| 91 | |
| 92 | rd->db.data = rrddim_alloc_db(entries); |
| 93 | rd->db.memsize = entries * sizeof(storage_number); |
| 94 | pulse_db_rrd_memory_add(rd->db.memsize); |
| 95 | } |
| 96 | |
| 97 | rd->rrd_memory_mode = ctr->memory_mode; |
| 98 | |
| 99 | nd_uuid_t uuid; |
| 100 | if (unlikely(rrdcontext_find_dimension_uuid(st, rrddim_id(rd), &uuid))) |
| 101 | uuid_generate(uuid); |
| 102 | rd->uuid = uuidmap_create(uuid); |
| 103 | |
| 104 | // initialize the db tiers |
| 105 | { |
| 106 | size_t initialized = 0; |
| 107 | for(size_t tier = 0; tier < nd_profile.storage_tiers; tier++) { |
| 108 | STORAGE_ENGINE *eng = host->db[tier].eng; |
| 109 | rd->tiers[tier].seb = eng->seb; |
| 110 | rd->tiers[tier].tier_grouping = host->db[tier].tier_grouping; |
| 111 | rd->tiers[tier].smh = eng->api.metric_get_or_create(rd, host->db[tier].si); |
| 112 | spinlock_init(&rd->tiers[tier].spinlock); |
| 113 | storage_point_unset(rd->tiers[tier].virtual_point); |
| 114 | initialized++; |
| 115 | |
| 116 | // internal_error(true, "TIER GROUPING of chart '%s', dimension '%s' for tier %d is set to %d", rd->rrdset->name, rd->name, tier, rd->tiers[tier]->tier_grouping); |
| 117 | } |
| 118 | |
| 119 | if(!initialized) |
| 120 | netdata_log_error("Failed to initialize all db tiers for chart '%s', dimension '%s", rrdset_name(st), rrddim_name(rd)); |
| 121 | |
| 122 | if(!rd->tiers[0].smh) |
| 123 | netdata_log_error("Failed to initialize the first db tier for chart '%s', dimension '%s", rrdset_name(st), rrddim_name(rd)); |
| 124 | } |
| 125 | |
| 126 | // initialize data collection for all tiers |
| 127 | { |
| 128 | size_t initialized = 0; |
| 129 | for (size_t tier = 0; tier < nd_profile.storage_tiers; tier++) { |
| 130 | if (rd->tiers[tier].smh) { |
| 131 | uint32_t tier_update_every = st->rrdhost->db[tier].tier_grouping * st->update_every; |
| 132 | |
| 133 | rd->tiers[tier].last_completed_point_flush_modulo = rrddim_collection_modulo(st, tier_update_every); |
| 134 | |
| 135 | rd->tiers[tier].sch = |
| 136 | storage_metric_store_init(rd->tiers[tier].seb, rd->tiers[tier].smh, tier_update_every, rd->rrdset->smg[tier]); |
| 137 | |
| 138 | initialized++; |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | if(!initialized) |
| 143 | netdata_log_error("Failed to initialize data collection for all db tiers for chart '%s', dimension '%s", rrdset_name(st), rrddim_name(rd)); |
| 144 | } |
| 145 | |
| 146 | // NOTE: the heterogeneity check has moved to rrddim_react_callback(). |
| 147 | // Running it here calls dfe_start_*() on st->rrddim_root_index while the |
| 148 | // index write-lock of that dict is still held by the inserter — AB-BA |
| 149 | // against svc_rrdset_archive_obsolete_dimensions() which holds items-write |
| 150 | // and then calls dictionary_del() that wants index-write. |
| 151 | |
| 152 | // let the chart resync |
| 153 | rrdset_flag_set(st, RRDSET_FLAG_SYNC_CLOCK); |
| 154 | |
| 155 | ml_dimension_new(rd); |
| 156 | |
| 157 | ctr->react_action = RRDDIM_REACT_NEW; |
| 158 | |
| 159 | internal_error(false, "RRDDIM: inserted dimension '%s' of chart '%s' of host '%s'", |
| 160 | rrddim_name(rd), rrdset_name(st), rrdhost_hostname(st->rrdhost)); |
| 161 | |
| 162 | } |
| 163 | |
| 164 | bool rrddim_finalize_collection_and_check_retention(RRDDIM *rd) { |
| 165 | ND_LOG_STACK lgs[] = { |
| 166 | ND_LOG_FIELD_TXT(NDF_NIDL_NODE, rrdhost_hostname(rd->rrdset->rrdhost)), |
| 167 | ND_LOG_FIELD_TXT(NDF_NIDL_CONTEXT, rrdset_context(rd->rrdset)), |
| 168 | ND_LOG_FIELD_TXT(NDF_NIDL_INSTANCE, rrdset_name(rd->rrdset)), |
| 169 | ND_LOG_FIELD_TXT(NDF_NIDL_DIMENSION, rrddim_name(rd)), |
| 170 | ND_LOG_FIELD_END(), |
| 171 | }; |
| 172 | ND_LOG_STACK_PUSH(lgs); |
| 173 | |
| 174 | size_t tiers_available = 0, tiers_said_no_retention = 0; |
| 175 | |
| 176 | for(size_t tier = 0; tier < nd_profile.storage_tiers ;tier++) { |
| 177 | spinlock_lock(&rd->tiers[tier].spinlock); |
| 178 | |
| 179 | if(rd->tiers[tier].sch) { |
| 180 | tiers_available++; |
| 181 | |
| 182 | if(tier > 0) |
| 183 | store_metric_at_tier_flush_last_completed(rd, tier, &rd->tiers[tier]); |
| 184 | |
| 185 | if (storage_engine_store_finalize(rd->tiers[tier].sch)) |
| 186 | tiers_said_no_retention++; |
| 187 | |
| 188 | rd->tiers[tier].sch = NULL; |
| 189 | } |
| 190 | |
| 191 | spinlock_unlock(&rd->tiers[tier].spinlock); |
| 192 | } |
| 193 | |
| 194 | // return true if the dimension has retention in the db |
| 195 | return (!tiers_said_no_retention || tiers_available > tiers_said_no_retention); |
| 196 | } |
| 197 | |
| 198 | static void rrddim_delete_callback(const DICTIONARY_ITEM *item __maybe_unused, void *rrddim, void *rrdset) { |
| 199 | RRDDIM *rd = rrddim; |
| 200 | RRDSET *st = rrdset; |
| 201 | RRDHOST *host = st->rrdhost; |
| 202 | |
| 203 | internal_error(false, "RRDDIM: deleting dimension '%s' of chart '%s' of host '%s'", |
| 204 | rrddim_name(rd), rrdset_name(st), rrdhost_hostname(host)); |
| 205 | |
| 206 | rrdcontext_removed_rrddim(rd); |
| 207 | |
| 208 | ml_dimension_delete(rd); |
| 209 | |
| 210 | netdata_log_debug(D_RRD_CALLS, "rrddim_free() %s.%s", rrdset_name(st), rrddim_name(rd)); |
| 211 | |
| 212 | if (!rrddim_finalize_collection_and_check_retention(rd) && rd->rrd_memory_mode == RRD_DB_MODE_DBENGINE) { |
| 213 | /* This metric has no data and no references */ |
| 214 | metaqueue_delete_dimension_uuid(uuidmap_uuid_ptr(rd->uuid)); |
| 215 | } |
| 216 | |
| 217 | for(size_t tier = 0; tier < nd_profile.storage_tiers;tier++) { |
| 218 | spinlock_lock(&rd->tiers[tier].spinlock); |
| 219 | if(rd->tiers[tier].smh) { |
| 220 | STORAGE_ENGINE *eng = host->db[tier].eng; |
| 221 | eng->api.metric_release(rd->tiers[tier].smh); |
| 222 | rd->tiers[tier].smh = NULL; |
| 223 | } |
| 224 | spinlock_unlock(&rd->tiers[tier].spinlock); |
| 225 | } |
| 226 | |
| 227 | if(rd->db.data) { |
| 228 | pulse_db_rrd_memory_sub(rd->db.memsize); |
| 229 | |
| 230 | if(rd->rrd_memory_mode == RRD_DB_MODE_RAM) |
| 231 | nd_munmap(rd->db.data, rd->db.memsize); |
| 232 | else |
| 233 | freez(rd->db.data); |
| 234 | } |
| 235 | |
| 236 | string_freez(rd->id); |
| 237 | string_freez(rd->name); |
| 238 | uuidmap_free(rd->uuid); |
| 239 | |
| 240 | if(rd->destroy_lock.locked) |
| 241 | spinlock_unlock(&rd->destroy_lock); |
| 242 | |
| 243 | memset(rd, 0, sizeof(RRDDIM)); |
| 244 | } |
| 245 | |
| 246 | static bool rrddim_conflict_callback(const DICTIONARY_ITEM *item __maybe_unused, void *rrddim, void *new_rrddim, void *constructor_data) { |
| 247 | (void)new_rrddim; // it is NULL |
| 248 | |
| 249 | struct rrddim_constructor *ctr = constructor_data; |
| 250 | RRDDIM *rd = rrddim; |
| 251 | RRDSET *st = ctr->st; |
| 252 | |
| 253 | ctr->react_action = RRDDIM_REACT_NONE; |
| 254 | |
| 255 | int rc = rrddim_reset_name(st, rd, ctr->name); |
| 256 | rc += rrddim_set_algorithm(st, rd, ctr->algorithm); |
| 257 | rc += rrddim_set_multiplier(st, rd, ctr->multiplier); |
| 258 | rc += rrddim_set_divisor(st, rd, ctr->divisor); |
| 259 | |
| 260 | rrddim_reinitialize_collection(rd); |
| 261 | |
| 262 | if(unlikely(rc)) |
| 263 | ctr->react_action = RRDDIM_REACT_UPDATED; |
| 264 | |
| 265 | return ctr->react_action == RRDDIM_REACT_UPDATED; |
| 266 | } |
| 267 | |
| 268 | static void rrddim_react_callback(const DICTIONARY_ITEM *item __maybe_unused, void *rrddim, void *constructor_data) { |
| 269 | struct rrddim_constructor *ctr = constructor_data; |
| 270 | RRDDIM *rd = rrddim; |
| 271 | RRDSET *st = ctr->st; |
| 272 | |
| 273 | if(ctr->react_action & (RRDDIM_REACT_UPDATED | RRDDIM_REACT_NEW)) { |
| 274 | rrddim_flag_set(rd, RRDDIM_FLAG_METADATA_UPDATE); |
| 275 | rrdhost_flag_set(rd->rrdset->rrdhost, RRDHOST_FLAG_METADATA_UPDATE); |
| 276 | } |
| 277 | |
| 278 | if(ctr->react_action == RRDDIM_REACT_UPDATED) { |
| 279 | // the chart needs to be updated to the parent |
| 280 | rrdset_flag_set(st, RRDSET_FLAG_SYNC_CLOCK); |
| 281 | } |
| 282 | |
| 283 | if(ctr->react_action & RRDDIM_REACT_NEW) { |
| 284 | // heterogeneity check (in react not insert: insert still holds index-write). |
| 285 | // compare and flag-set inside the loop body so td stays referenced via the |
| 286 | // dfe iterator (no UAF after dfe_done). rd is in the items list by react |
| 287 | // time, so skip td == rd. |
| 288 | RRDDIM *td; |
| 289 | dfe_start_read(st->rrddim_root_index, td) { |
| 290 | if(td == rd) |
| 291 | continue; |
| 292 | |
| 293 | if(td->algorithm != rd->algorithm |
| 294 | || ABS(td->multiplier) != ABS(rd->multiplier) |
| 295 | || ABS(td->divisor) != ABS(rd->divisor)) { |
| 296 | if(!rrdset_flag_check(st, RRDSET_FLAG_HETEROGENEOUS)) { |
| 297 | #ifdef NETDATA_INTERNAL_CHECKS |
| 298 | netdata_log_info("Dimension '%s' added on chart '%s' of host '%s' is not homogeneous to other dimensions already " |
| 299 | "present (algorithm is '%s' vs '%s', multiplier is %d vs %d, " |
| 300 | "divisor is %d vs %d).", |
| 301 | rrddim_name(rd), |
| 302 | rrdset_name(st), |
| 303 | rrdhost_hostname(st->rrdhost), |
| 304 | rrd_algorithm_name(rd->algorithm), rrd_algorithm_name(td->algorithm), |
| 305 | rd->multiplier, td->multiplier, |
| 306 | rd->divisor, td->divisor |
| 307 | ); |
| 308 | #endif |
| 309 | rrdset_flag_set(st, RRDSET_FLAG_HETEROGENEOUS); |
| 310 | } |
| 311 | } |
| 312 | break; |
| 313 | } |
| 314 | dfe_done(td); |
| 315 | } |
| 316 | |
| 317 | rrddim_metadata_updated(rd); |
| 318 | } |
| 319 | |
| 320 | size_t rrddim_size(void) { |
| 321 | return sizeof(RRDDIM) + nd_profile.storage_tiers * sizeof(struct rrddim_tier); |
| 322 | } |
| 323 | |
| 324 | void rrddim_index_init(RRDSET *st) { |
| 325 | if(!st->rrddim_root_index) { |
| 326 | st->rrddim_root_index = dictionary_create_advanced(DICT_OPTION_DONT_OVERWRITE_VALUE | DICT_OPTION_FIXED_SIZE, |
| 327 | &dictionary_stats_category_rrddim, rrddim_size()); |
| 328 | |
| 329 | dictionary_register_insert_callback(st->rrddim_root_index, rrddim_insert_callback, NULL); |
| 330 | dictionary_register_conflict_callback(st->rrddim_root_index, rrddim_conflict_callback, NULL); |
| 331 | dictionary_register_delete_callback(st->rrddim_root_index, rrddim_delete_callback, st); |
| 332 | dictionary_register_react_callback(st->rrddim_root_index, rrddim_react_callback, st); |
| 333 | } |
| 334 | } |
| 335 | |
| 336 | void rrddim_index_destroy(RRDSET *st) { |
| 337 | dictionary_destroy(st->rrddim_root_index); |
| 338 | st->rrddim_root_index = NULL; |
| 339 | } |
| 340 | |
| 341 | static inline RRDDIM *rrddim_index_find(RRDSET *st, const char *id) { |
| 342 | return dictionary_get(st->rrddim_root_index, id); |
| 343 | } |
| 344 | |
| 345 | // ---------------------------------------------------------------------------- |
| 346 | // RRDDIM - find a dimension |
| 347 | |
| 348 | inline RRDDIM *rrddim_find(RRDSET *st, const char *id, bool include_obsolete) { |
| 349 | netdata_log_debug(D_RRD_CALLS, "rrddim_find() for chart %s, dimension %s", rrdset_name(st), id); |
| 350 | |
| 351 | RRDDIM *rd = rrddim_index_find(st, id); |
| 352 | if(rd) { |
| 353 | if(!include_obsolete && rrddim_flag_check(rd, RRDDIM_FLAG_OBSOLETE) && !rrdset_is_discoverable(st)) |
| 354 | return NULL; |
| 355 | |
| 356 | rd->rrdset->last_accessed_time_s = now_realtime_sec(); |
| 357 | } |
| 358 | |
| 359 | return rd; |
| 360 | } |
| 361 | |
| 362 | inline RRDDIM_ACQUIRED *rrddim_find_and_acquire(RRDSET *st, const char *id, bool include_obsolete) { |
| 363 | netdata_log_debug(D_RRD_CALLS, "rrddim_find_and_acquire() for chart %s, dimension %s", rrdset_name(st), id); |
| 364 | |
| 365 | RRDDIM_ACQUIRED *rda = (RRDDIM_ACQUIRED *)dictionary_get_and_acquire_item(st->rrddim_root_index, id); |
| 366 | if(rda) { |
| 367 | RRDDIM *rd = dictionary_acquired_item_value((const DICTIONARY_ITEM *)rda); |
| 368 | if(!include_obsolete && rrddim_flag_check(rd, RRDDIM_FLAG_OBSOLETE) && !rrdset_is_discoverable(st)) { |
| 369 | dictionary_acquired_item_release(st->rrddim_root_index, (const DICTIONARY_ITEM *)rda); |
| 370 | return NULL; |
| 371 | } |
| 372 | |
| 373 | rd->rrdset->last_accessed_time_s = now_realtime_sec(); |
| 374 | } |
| 375 | |
| 376 | return rda; |
| 377 | } |
| 378 | |
| 379 | RRDDIM *rrddim_acquired_to_rrddim(RRDDIM_ACQUIRED *rda) { |
| 380 | if(unlikely(!rda)) |
| 381 | return NULL; |
| 382 | |
| 383 | return (RRDDIM *) dictionary_acquired_item_value((const DICTIONARY_ITEM *)rda); |
| 384 | } |
| 385 | |
| 386 | void rrddim_acquired_release(RRDDIM_ACQUIRED *rda) { |
| 387 | if(unlikely(!rda)) |
| 388 | return; |
| 389 | |
| 390 | RRDDIM *rd = rrddim_acquired_to_rrddim(rda); |
| 391 | dictionary_acquired_item_release(rd->rrdset->rrddim_root_index, (const DICTIONARY_ITEM *)rda); |
| 392 | } |
| 393 | |
| 394 | // ---------------------------------------------------------------------------- |
| 395 | // RRDDIM rename a dimension |
| 396 | |
| 397 | inline int rrddim_reset_name(RRDSET *st __maybe_unused, RRDDIM *rd, const char *name) { |
| 398 | if(unlikely(!name || !*name || !strcmp(rrddim_name(rd), name))) |
| 399 | return 0; |
| 400 | |
| 401 | netdata_log_debug(D_RRD_CALLS, "rrddim_reset_name() from %s.%s to %s.%s", rrdset_name(st), rrddim_name(rd), rrdset_name(st), name); |
| 402 | |
| 403 | STRING *old = rd->name; |
| 404 | rd->name = rrd_string_strdupz(name); |
| 405 | string_freez(old); |
| 406 | |
| 407 | rrddim_metadata_updated(rd); |
| 408 | |
| 409 | return 1; |
| 410 | } |
| 411 | |
| 412 | inline int rrddim_set_algorithm(RRDSET *st, RRDDIM *rd, RRD_ALGORITHM algorithm) { |
| 413 | if(unlikely(rd->algorithm == algorithm)) |
| 414 | return 0; |
| 415 | |
| 416 | netdata_log_debug(D_RRD_CALLS, "Updating algorithm of dimension '%s/%s' from %s to %s", rrdset_id(st), rrddim_name(rd), rrd_algorithm_name(rd->algorithm), rrd_algorithm_name(algorithm)); |
| 417 | rd->algorithm = algorithm; |
| 418 | rrddim_metadata_updated(rd); |
| 419 | rrdset_flag_set(st, RRDSET_FLAG_HOMOGENEOUS_CHECK); |
| 420 | rrdcontext_updated_rrddim_algorithm(rd); |
| 421 | return 1; |
| 422 | } |
| 423 | |
| 424 | inline int rrddim_set_multiplier(RRDSET *st, RRDDIM *rd, int32_t multiplier) { |
| 425 | if(unlikely(rd->multiplier == multiplier)) |
| 426 | return 0; |
| 427 | |
| 428 | netdata_log_debug(D_RRD_CALLS, "Updating multiplier of dimension '%s/%s' from %d to %d", |
| 429 | rrdset_id(st), rrddim_name(rd), rd->multiplier, multiplier); |
| 430 | rd->multiplier = multiplier; |
| 431 | rrddim_metadata_updated(rd); |
| 432 | rrdset_flag_set(st, RRDSET_FLAG_HOMOGENEOUS_CHECK); |
| 433 | rrdcontext_updated_rrddim_multiplier(rd); |
| 434 | return 1; |
| 435 | } |
| 436 | |
| 437 | inline int rrddim_set_divisor(RRDSET *st, RRDDIM *rd, int32_t divisor) { |
| 438 | if(unlikely(rd->divisor == divisor)) |
| 439 | return 0; |
| 440 | |
| 441 | netdata_log_debug(D_RRD_CALLS, "Updating divisor of dimension '%s/%s' from %d to %d", |
| 442 | rrdset_id(st), rrddim_name(rd), rd->divisor, divisor); |
| 443 | rd->divisor = divisor; |
| 444 | rrddim_metadata_updated(rd); |
| 445 | rrdset_flag_set(st, RRDSET_FLAG_HOMOGENEOUS_CHECK); |
| 446 | rrdcontext_updated_rrddim_divisor(rd); |
| 447 | return 1; |
| 448 | } |
| 449 | |
| 450 | // ---------------------------------------------------------------------------- |
| 451 | |
| 452 | time_t rrddim_last_entry_s_of_tier(RRDDIM *rd, size_t tier) { |
| 453 | if(unlikely(!rd)) |
| 454 | return 0; |
| 455 | |
| 456 | if(unlikely(tier >= nd_profile.storage_tiers || !rd->tiers[tier].smh)) |
| 457 | return 0; |
| 458 | |
| 459 | return storage_engine_latest_time_s(rd->tiers[tier].seb, rd->tiers[tier].smh); |
| 460 | } |
| 461 | |
| 462 | // get the timestamp of the last entry in the round-robin database |
| 463 | time_t rrddim_last_entry_s(RRDDIM *rd) { |
| 464 | if(unlikely(!rd)) |
| 465 | return 0; |
| 466 | |
| 467 | time_t latest_time_s = rrddim_last_entry_s_of_tier(rd, 0); |
| 468 | |
| 469 | for(size_t tier = 1; tier < nd_profile.storage_tiers;tier++) { |
| 470 | if(unlikely(!rd->tiers[tier].smh)) continue; |
| 471 | |
| 472 | time_t t = rrddim_last_entry_s_of_tier(rd, tier); |
| 473 | if(t > latest_time_s) |
| 474 | latest_time_s = t; |
| 475 | } |
| 476 | |
| 477 | return latest_time_s; |
| 478 | } |
| 479 | |
| 480 | time_t rrddim_first_entry_s_of_tier(RRDDIM *rd, size_t tier) { |
| 481 | if(unlikely(!rd)) |
| 482 | return 0; |
| 483 | |
| 484 | if(unlikely(tier >= nd_profile.storage_tiers || !rd->tiers[tier].smh)) |
| 485 | return 0; |
| 486 | |
| 487 | return storage_engine_oldest_time_s(rd->tiers[tier].seb, rd->tiers[tier].smh); |
| 488 | } |
| 489 | |
| 490 | time_t rrddim_first_entry_s(RRDDIM *rd) { |
| 491 | if(unlikely(!rd)) |
| 492 | return 0; |
| 493 | |
| 494 | time_t oldest_time_s = 0; |
| 495 | |
| 496 | for(size_t tier = 0; tier < nd_profile.storage_tiers;tier++) { |
| 497 | time_t t = rrddim_first_entry_s_of_tier(rd, tier); |
| 498 | if(t != 0 && (oldest_time_s == 0 || t < oldest_time_s)) |
| 499 | oldest_time_s = t; |
| 500 | } |
| 501 | |
| 502 | return oldest_time_s; |
| 503 | } |
| 504 | |
| 505 | RRDDIM *rrddim_add_custom(RRDSET *st |
| 506 | , const char *id |
| 507 | , const char *name |
| 508 | , collected_number multiplier |
| 509 | , collected_number divisor |
| 510 | , RRD_ALGORITHM algorithm |
| 511 | , |
| 512 | RRD_DB_MODE memory_mode |
| 513 | ) { |
| 514 | |
| 515 | RRDDIM *rd = NULL; |
| 516 | while(!rd) { |
| 517 | rd = rrddim_index_find(st, id); |
| 518 | if(rd) { |
| 519 | if(spinlock_trylock(&rd->destroy_lock)) { |
| 520 | rrddim_isnot_obsolete___safe_from_collector_thread(st, rd); |
| 521 | spinlock_unlock(&rd->destroy_lock); |
| 522 | } |
| 523 | else { |
| 524 | rd = NULL; |
| 525 | microsleep(1 * USEC_PER_MS); |
| 526 | continue; |
| 527 | } |
| 528 | } |
| 529 | |
| 530 | struct rrddim_constructor tmp = { |
| 531 | .st = st, |
| 532 | .id = id, |
| 533 | .name = name, |
| 534 | .multiplier = multiplier, |
| 535 | .divisor = divisor, |
| 536 | .algorithm = algorithm, |
| 537 | .memory_mode = memory_mode, |
| 538 | }; |
| 539 | |
| 540 | rd = dictionary_set_advanced(st->rrddim_root_index, tmp.id, -1, NULL, rrddim_size(), &tmp); |
| 541 | } |
| 542 | |
| 543 | return(rd); |
| 544 | } |
| 545 | |
| 546 | // ---------------------------------------------------------------------------- |
| 547 | // RRDDIM remove / free a dimension |
| 548 | |
| 549 | void rrddim_free(RRDSET *st, RRDDIM *rd) { |
| 550 | dictionary_del(st->rrddim_root_index, string2str(rd->id)); |
| 551 | } |
| 552 | |
| 553 | |
| 554 | // ---------------------------------------------------------------------------- |
| 555 | // RRDDIM - set dimension options |
| 556 | |
| 557 | int rrddim_hide(RRDSET *st, const char *id) { |
| 558 | netdata_log_debug(D_RRD_CALLS, "rrddim_hide() for chart %s, dimension %s", rrdset_name(st), id); |
| 559 | |
| 560 | RRDHOST *host = st->rrdhost; |
| 561 | |
| 562 | RRDDIM *rd = rrddim_find(st, id, true); |
| 563 | if(unlikely(!rd)) { |
| 564 | netdata_log_error("Cannot find dimension with id '%s' on stats '%s' (%s) on host '%s'.", id, rrdset_name(st), rrdset_id(st), rrdhost_hostname(host)); |
| 565 | return 1; |
| 566 | } |
| 567 | if (!rrddim_flag_check(rd, RRDDIM_FLAG_META_HIDDEN)) { |
| 568 | rrddim_flag_set(rd, RRDDIM_FLAG_META_HIDDEN | RRDDIM_FLAG_METADATA_UPDATE); |
| 569 | rrdhost_flag_set(rd->rrdset->rrdhost, RRDHOST_FLAG_METADATA_UPDATE); |
| 570 | } |
| 571 | |
| 572 | rrddim_option_set(rd, RRDDIM_OPTION_HIDDEN); |
| 573 | rrdcontext_updated_rrddim_flags(rd); |
| 574 | rrdset_metadata_updated(st); |
| 575 | return 0; |
| 576 | } |
| 577 | |
| 578 | int rrddim_unhide(RRDSET *st, const char *id) { |
| 579 | netdata_log_debug(D_RRD_CALLS, "rrddim_unhide() for chart %s, dimension %s", rrdset_name(st), id); |
| 580 | |
| 581 | RRDHOST *host = st->rrdhost; |
| 582 | RRDDIM *rd = rrddim_find(st, id, true); |
| 583 | if(unlikely(!rd)) { |
| 584 | netdata_log_error("Cannot find dimension with id '%s' on stats '%s' (%s) on host '%s'.", id, rrdset_name(st), rrdset_id(st), rrdhost_hostname(host)); |
| 585 | return 1; |
| 586 | } |
| 587 | if (rrddim_flag_check(rd, RRDDIM_FLAG_META_HIDDEN)) { |
| 588 | rrddim_flag_clear(rd, RRDDIM_FLAG_META_HIDDEN); |
| 589 | rrddim_flag_set(rd, RRDDIM_FLAG_METADATA_UPDATE); |
| 590 | rrdhost_flag_set(rd->rrdset->rrdhost, RRDHOST_FLAG_METADATA_UPDATE); |
| 591 | } |
| 592 | |
| 593 | rrddim_option_clear(rd, RRDDIM_OPTION_HIDDEN); |
| 594 | rrdcontext_updated_rrddim_flags(rd); |
| 595 | rrdset_metadata_updated(st); |
| 596 | return 0; |
| 597 | } |
| 598 | |
| 599 | inline void rrddim_is_obsolete___safe_from_collector_thread(RRDSET *st, RRDDIM *rd) { |
| 600 | netdata_log_debug(D_RRD_CALLS, "rrddim_is_obsolete___safe_from_collector_thread() for chart %s, dimension %s", rrdset_name(st), rrddim_name(rd)); |
| 601 | |
| 602 | rrddim_flag_set(rd, RRDDIM_FLAG_OBSOLETE); |
| 603 | rrdset_flag_set(st, RRDSET_FLAG_OBSOLETE_DIMENSIONS); |
| 604 | rrdhost_flag_set(st->rrdhost, RRDHOST_FLAG_PENDING_OBSOLETE_DIMENSIONS); |
| 605 | rrdcontext_updated_rrddim_flags(rd); |
| 606 | rrdset_metadata_updated(st); |
| 607 | } |
| 608 | |
| 609 | inline void rrddim_isnot_obsolete___safe_from_collector_thread(RRDSET *st __maybe_unused, RRDDIM *rd) { |
| 610 | netdata_log_debug(D_RRD_CALLS, "rrddim_isnot_obsolete___safe_from_collector_thread() for chart %s, dimension %s", rrdset_name(st), rrddim_name(rd)); |
| 611 | |
| 612 | rrddim_flag_clear(rd, RRDDIM_FLAG_OBSOLETE); |
| 613 | rrddim_reinitialize_collection(rd); |
| 614 | rrdcontext_updated_rrddim_flags(rd); |
| 615 | rrdset_metadata_updated(st); |
| 616 | } |
| 617 | |
| 618 | // ---------------------------------------------------------------------------- |
| 619 | // RRDDIM - collect values for a dimension |
| 620 | |
| 621 | inline collected_number rrddim_set_by_pointer(RRDSET *st, RRDDIM *rd, collected_number value) { |
| 622 | struct timeval now; |
| 623 | now_realtime_timeval(&now); |
| 624 | |
| 625 | return rrddim_timed_set_by_pointer(st, rd, now, value); |
| 626 | } |
| 627 | |
| 628 | // Sets the collected value for this dimension. |
| 629 | // Returns the *previous* cycle's collected value (last_collected_value), not the current one. |
| 630 | NETDATA_DOUBLE rrddim_set_by_pointer_double(RRDSET *st, RRDDIM *rd, NETDATA_DOUBLE value) { |
| 631 | struct timeval now; |
| 632 | now_realtime_timeval(&now); |
| 633 | |
| 634 | // For float dims, store exact; for int dims, keep int semantics |
| 635 | if(rrddim_is_float(rd)) { |
| 636 | rd->collector.last_collected_time = now; |
| 637 | rrddim_set_collected_float(rd, value); |
| 638 | rrddim_set_updated(rd); |
| 639 | rd->collector.counter++; |
| 640 | |
| 641 | NETDATA_DOUBLE v = value >= 0 ? value : -value; |
| 642 | if(unlikely(v > rrddim_collected_max_as_double(rd))) |
| 643 | rrddim_set_collected_max_float(rd, v); |
| 644 | |
| 645 | return rrddim_last_collected_as_double(rd); |
| 646 | } |
| 647 | |
| 648 | return (NETDATA_DOUBLE)rrddim_timed_set_by_pointer(st, rd, now, (collected_number)value); |
| 649 | } |
| 650 | |
| 651 | collected_number rrddim_timed_set_by_pointer(RRDSET *st __maybe_unused, RRDDIM *rd, struct timeval collected_time, collected_number value) { |
| 652 | netdata_log_debug(D_RRD_CALLS, "rrddim_set_by_pointer() for chart %s, dimension %s, value " COLLECTED_NUMBER_FORMAT, rrdset_name(st), rrddim_name(rd), value); |
| 653 | |
| 654 | rd->collector.last_collected_time = collected_time; |
| 655 | if(rrddim_is_float(rd)) |
| 656 | rrddim_set_collected_float(rd, (NETDATA_DOUBLE)value); |
| 657 | else |
| 658 | rrddim_set_collected_int(rd, value); |
| 659 | rrddim_set_updated(rd); |
| 660 | rd->collector.counter++; |
| 661 | |
| 662 | // spinlock_lock(&st->rrdhost->accounting.spinlock); |
| 663 | // Pvoid_t *Pvalue = JudyLIns(&st->rrdhost->accounting.JudySecL, (Word_t) collected_time.tv_sec, PJE0); |
| 664 | // if (Pvalue) |
| 665 | // *((int64_t *)Pvalue) = *((int64_t *)Pvalue) + 1; |
| 666 | // spinlock_unlock(&st->rrdhost->accounting.spinlock); |
| 667 | |
| 668 | NETDATA_DOUBLE v = value >= 0 ? (NETDATA_DOUBLE)value : (NETDATA_DOUBLE)(-value); |
| 669 | if (unlikely(v > rrddim_collected_max_as_double(rd))) { |
| 670 | if(rrddim_is_float(rd)) |
| 671 | rrddim_set_collected_max_float(rd, v); |
| 672 | else |
| 673 | rrddim_set_collected_max_int(rd, (int64_t)v); |
| 674 | } |
| 675 | // For int dims return the last collected int; for float dims the integer return is meaningless, so return 0 to avoid truncation misuse. |
| 676 | if(rrddim_is_float(rd)) |
| 677 | return 0; |
| 678 | return rd->collector.collected.i.last_collected_value; |
| 679 | } |
| 680 | |
| 681 | |
| 682 | collected_number rrddim_set(RRDSET *st, const char *id, collected_number value) { |
| 683 | RRDHOST *host = st->rrdhost; |
| 684 | RRDDIM *rd = rrddim_find_active(st, id); |
| 685 | if(unlikely(!rd)) { |
| 686 | netdata_log_error("Cannot find dimension with id '%s' on stats '%s' (%s) on host '%s'.", id, rrdset_name(st), rrdset_id(st), rrdhost_hostname(host)); |
| 687 | return 0; |
| 688 | } |
| 689 | |
| 690 | return rrddim_set_by_pointer(st, rd, value); |
| 691 | } |