#include "log.h"
#include "appconfig.h"
+#include "main.h"
#include "rrd.h"
#define RRD_DEFAULT_GAP_INTERPOLATIONS 1
// ----------------------------------------------------------------------------
// RRDSET index
-static int rrdset_iterator(avl *a) { if(a) {}; return 0; }
-
static int rrdset_compare(void* a, void* b) {
if(((RRDSET *)a)->hash < ((RRDSET *)b)->hash) return -1;
else if(((RRDSET *)a)->hash > ((RRDSET *)b)->hash) return 1;
else return strcmp(((RRDSET *)a)->id, ((RRDSET *)b)->id);
}
-avl_tree rrdset_root_index = {
- NULL,
- rrdset_compare,
-#ifdef AVL_LOCK_WITH_MUTEX
- PTHREAD_MUTEX_INITIALIZER
-#else
- PTHREAD_RWLOCK_INITIALIZER
-#endif
+avl_tree_lock rrdset_root_index = {
+ { NULL, rrdset_compare },
+ AVL_LOCK_INITIALIZER
};
-#define rrdset_index_add(st) avl_insert(&rrdset_root_index, (avl *)(st))
-#define rrdset_index_del(st) avl_remove(&rrdset_root_index, (avl *)(st))
+#define rrdset_index_add(st) avl_insert_lock(&rrdset_root_index, (avl *)(st))
+#define rrdset_index_del(st) avl_remove_lock(&rrdset_root_index, (avl *)(st))
static RRDSET *rrdset_index_find(const char *id, uint32_t hash) {
- RRDSET *result = NULL, tmp;
- strncpy(tmp.id, id, RRD_ID_LENGTH_MAX);
- tmp.id[RRD_ID_LENGTH_MAX] = '\0';
+ RRDSET tmp;
+ strncpyz(tmp.id, id, RRD_ID_LENGTH_MAX);
tmp.hash = (hash)?hash:simple_hash(tmp.id);
- avl_search(&(rrdset_root_index), (avl *)&tmp, rrdset_iterator, (avl **)&result);
- return result;
+ return (RRDSET *)avl_search_lock(&(rrdset_root_index), (avl *) &tmp);
}
// ----------------------------------------------------------------------------
#define rrdset_from_avlname(avlname_ptr) ((RRDSET *)((avlname_ptr) - offsetof(RRDSET, avlname)))
-static int rrdset_iterator_name(avl *a) { if(a) {}; return 0; }
-
static int rrdset_compare_name(void* a, void* b) {
RRDSET *A = rrdset_from_avlname(a);
RRDSET *B = rrdset_from_avlname(b);
else return strcmp(A->name, B->name);
}
-avl_tree rrdset_root_index_name = {
- NULL,
- rrdset_compare_name,
-#ifdef AVL_LOCK_WITH_MUTEX
- PTHREAD_MUTEX_INITIALIZER
-#else
- PTHREAD_RWLOCK_INITIALIZER
-#endif
+avl_tree_lock rrdset_root_index_name = {
+ { NULL, rrdset_compare_name },
+ AVL_LOCK_INITIALIZER
};
int rrdset_index_add_name(RRDSET *st) {
// fprintf(stderr, "ADDING: %s (name: %s)\n", st->id, st->name);
- return avl_insert(&rrdset_root_index_name, (avl *)(&st->avlname));
+ return avl_insert_lock(&rrdset_root_index_name, (avl *) (&st->avlname));
}
-#define rrdset_index_del_name(st) avl_remove(&rrdset_root_index_name, (avl *)(&st->avlname))
+#define rrdset_index_del_name(st) avl_remove_lock(&rrdset_root_index_name, (avl *)(&st->avlname))
static RRDSET *rrdset_index_find_name(const char *name, uint32_t hash) {
void *result = NULL;
tmp.hash_name = (hash)?hash:simple_hash(tmp.name);
// fprintf(stderr, "SEARCHING: %s\n", name);
- avl_search(&(rrdset_root_index_name), (avl *)(&(tmp.avlname)), rrdset_iterator_name, (avl **)&result);
+ result = avl_search_lock(&(rrdset_root_index_name), (avl *) (&(tmp.avlname)));
if(result) {
RRDSET *st = rrdset_from_avlname(result);
if(strcmp(st->magic, RRDSET_MAGIC))
// ----------------------------------------------------------------------------
// RRDDIM index
-static int rrddim_iterator(avl *a) { if(a) {}; return 0; }
-
static int rrddim_compare(void* a, void* b) {
if(((RRDDIM *)a)->hash < ((RRDDIM *)b)->hash) return -1;
else if(((RRDDIM *)a)->hash > ((RRDDIM *)b)->hash) return 1;
else return strcmp(((RRDDIM *)a)->id, ((RRDDIM *)b)->id);
}
-#define rrddim_index_add(st, rd) avl_insert(&((st)->dimensions_index), (avl *)(rd))
-#define rrddim_index_del(st,rd ) avl_remove(&((st)->dimensions_index), (avl *)(rd))
+#define rrddim_index_add(st, rd) avl_insert_lock(&((st)->dimensions_index), (avl *)(rd))
+#define rrddim_index_del(st,rd ) avl_remove_lock(&((st)->dimensions_index), (avl *)(rd))
static RRDDIM *rrddim_index_find(RRDSET *st, const char *id, uint32_t hash) {
- RRDDIM *result = NULL, tmp;
- strncpy(tmp.id, id, RRD_ID_LENGTH_MAX);
- tmp.id[RRD_ID_LENGTH_MAX] = '\0';
+ RRDDIM tmp;
+ strncpyz(tmp.id, id, RRD_ID_LENGTH_MAX);
tmp.hash = (hash)?hash:simple_hash(tmp.id);
- avl_search(&(st->dimensions_index), (avl *)&tmp, rrddim_iterator, (avl **)&result);
- return result;
+ return (RRDDIM *)avl_search_lock(&(st->dimensions_index), (avl *) &tmp);
}
// ----------------------------------------------------------------------------
int rrddim_algorithm_id(const char *name)
{
- if(strcmp(name, RRDDIM_ABSOLUTE_NAME) == 0) return RRDDIM_ABSOLUTE;
if(strcmp(name, RRDDIM_INCREMENTAL_NAME) == 0) return RRDDIM_INCREMENTAL;
+ if(strcmp(name, RRDDIM_ABSOLUTE_NAME) == 0) return RRDDIM_ABSOLUTE;
if(strcmp(name, RRDDIM_PCENT_OVER_ROW_TOTAL_NAME) == 0) return RRDDIM_PCENT_OVER_ROW_TOTAL;
if(strcmp(name, RRDDIM_PCENT_OVER_DIFF_TOTAL_NAME) == 0) return RRDDIM_PCENT_OVER_DIFF_TOTAL;
return RRDDIM_ABSOLUTE;
// ----------------------------------------------------------------------------
// chart names
-char *rrdset_strncpy_name(char *to, const char *from, int length)
+char *rrdset_strncpyz_name(char *to, const char *from, size_t length)
{
- int i;
- for(i = 0; i < length && from[i] ;i++) {
- if(from[i] == '.' || isalpha(from[i]) || isdigit(from[i])) to[i] = from[i];
- else to[i] = '_';
+ char c, *p = to;
+
+ while (length-- && (c = *from++)) {
+ if(c != '.' && !isalnum(c))
+ c = '_';
+
+ *p++ = c;
}
- if(i < length) to[i] = '\0';
- to[length - 1] = '\0';
+
+ *p = '\0';
return to;
}
char b[CONFIG_MAX_VALUE + 1];
char n[RRD_ID_LENGTH_MAX + 1];
- snprintf(n, RRD_ID_LENGTH_MAX, "%s.%s", st->type, name);
- rrdset_strncpy_name(b, n, CONFIG_MAX_VALUE);
+ snprintfz(n, RRD_ID_LENGTH_MAX, "%s.%s", st->type, name);
+ rrdset_strncpyz_name(b, n, CONFIG_MAX_VALUE);
st->name = config_get(st->id, "name", b);
st->hash_name = simple_hash(st->name);
char b[FILENAME_MAX + 1];
char n[FILENAME_MAX + 1];
- rrdset_strncpy_name(b, id, FILENAME_MAX);
+ rrdset_strncpyz_name(b, id, FILENAME_MAX);
- snprintf(n, FILENAME_MAX, "%s/%s", cache_dir, b);
+ snprintfz(n, FILENAME_MAX, "%s/%s", cache_dir, b);
ret = config_get(id, "cache directory", n);
if(rrd_memory_mode == RRD_MEMORY_MODE_MAP || rrd_memory_mode == RRD_MEMORY_MODE_SAVE) {
}
}
-RRDSET *rrdset_create(const char *type, const char *id, const char *name, const char *family, const char *title, const char *units, long priority, int update_every, int chart_type)
+RRDSET *rrdset_create(const char *type, const char *id, const char *name, const char *family, const char *context, const char *title, const char *units, long priority, int update_every, int chart_type)
{
+ if(!type || !type[0]) {
+ fatal("Cannot create rrd stats without a type.");
+ return NULL;
+ }
+
if(!id || !id[0]) {
fatal("Cannot create rrd stats without an id.");
return NULL;
char fullfilename[FILENAME_MAX + 1];
RRDSET *st = NULL;
- snprintf(fullid, RRD_ID_LENGTH_MAX, "%s.%s", type, id);
+ snprintfz(fullid, RRD_ID_LENGTH_MAX, "%s.%s", type, id);
+
+ st = rrdset_find(fullid);
+ if(st) {
+ error("Cannot create rrd stats for '%s', it already exists.", fullid);
+ return st;
+ }
long entries = config_get_number(fullid, "history", rrd_default_history_entries);
if(entries < 5) entries = config_set_number(fullid, "history", 5);
debug(D_RRD_CALLS, "Creating RRD_STATS for '%s.%s'.", type, id);
- snprintf(fullfilename, FILENAME_MAX, "%s/main.db", cache_dir);
+ snprintfz(fullfilename, FILENAME_MAX, "%s/main.db", cache_dir);
if(rrd_memory_mode != RRD_MEMORY_MODE_RAM) st = (RRDSET *)mymmap(fullfilename, size, ((rrd_memory_mode == RRD_MEMORY_MODE_MAP)?MAP_SHARED:MAP_PRIVATE), 0);
if(st) {
if(strcmp(st->magic, RRDSET_MAGIC) != 0) {
st->name = NULL;
st->type = NULL;
st->family = NULL;
+ st->context = NULL;
st->title = NULL;
st->units = NULL;
st->dimensions = NULL;
st->cache_dir = cache_dir;
- st->family = config_get(st->id, "family", family?family:st->id);
- st->units = config_get(st->id, "units", units?units:"");
- st->type = config_get(st->id, "type", type);
st->chart_type = rrdset_type_id(config_get(st->id, "chart type", rrdset_type_name(chart_type)));
+ st->type = config_get(st->id, "type", type);
+ st->family = config_get(st->id, "family", family?family:st->type);
+ st->context = config_get(st->id, "context", context?context:st->id);
+ st->units = config_get(st->id, "units", units?units:"");
st->priority = config_get_number(st->id, "priority", priority);
st->enabled = enabled;
st->gap_when_lost_iterations_above = (int) (
config_get_number(st->id, "gap when lost iterations above", RRD_DEFAULT_GAP_INTERPOLATIONS) + 2);
- avl_init(&st->dimensions_index, rrddim_compare);
+ avl_init_lock(&st->dimensions_index, rrddim_compare);
pthread_rwlock_init(&st->rwlock, NULL);
pthread_rwlock_wrlock(&rrdset_root_rwlock);
{
char varvalue[CONFIG_MAX_VALUE + 1];
- snprintf(varvalue, CONFIG_MAX_VALUE, "%s (%s)", title?title:"", st->name);
+ snprintfz(varvalue, CONFIG_MAX_VALUE, "%s (%s)", title?title:"", st->name);
st->title = config_get(st->id, "title", varvalue);
}
debug(D_RRD_CALLS, "Adding dimension '%s/%s'.", st->id, id);
- rrdset_strncpy_name(filename, id, FILENAME_MAX);
- snprintf(fullfilename, FILENAME_MAX, "%s/%s.db", st->cache_dir, filename);
+ rrdset_strncpyz_name(filename, id, FILENAME_MAX);
+ snprintfz(fullfilename, FILENAME_MAX, "%s/%s.db", st->cache_dir, filename);
if(rrd_memory_mode != RRD_MEMORY_MODE_RAM) rd = (RRDDIM *)mymmap(fullfilename, size, ((rrd_memory_mode == RRD_MEMORY_MODE_MAP)?MAP_SHARED:MAP_PRIVATE), 1);
if(rd) {
struct timeval now;
strcpy(rd->magic, RRDDIMENSION_MAGIC);
strcpy(rd->cache_filename, fullfilename);
- strncpy(rd->id, id, RRD_ID_LENGTH_MAX);
+ strncpyz(rd->id, id, RRD_ID_LENGTH_MAX);
rd->hash = simple_hash(rd->id);
- snprintf(varname, CONFIG_MAX_NAME, "dim %s name", rd->id);
+ snprintfz(varname, CONFIG_MAX_NAME, "dim %s name", rd->id);
rd->name = config_get(st->id, varname, (name && *name)?name:rd->id);
- snprintf(varname, CONFIG_MAX_NAME, "dim %s algorithm", rd->id);
+ snprintfz(varname, CONFIG_MAX_NAME, "dim %s algorithm", rd->id);
rd->algorithm = rrddim_algorithm_id(config_get(st->id, varname, rrddim_algorithm_name(algorithm)));
- snprintf(varname, CONFIG_MAX_NAME, "dim %s multiplier", rd->id);
+ snprintfz(varname, CONFIG_MAX_NAME, "dim %s multiplier", rd->id);
rd->multiplier = config_get_number(st->id, varname, multiplier);
- snprintf(varname, CONFIG_MAX_NAME, "dim %s divisor", rd->id);
+ snprintfz(varname, CONFIG_MAX_NAME, "dim %s divisor", rd->id);
rd->divisor = config_get_number(st->id, varname, divisor);
if(!rd->divisor) rd->divisor = 1;
debug(D_RRD_CALLS, "rrddim_set_name() %s.%s", st->name, rd->name);
char varname[CONFIG_MAX_NAME + 1];
- snprintf(varname, CONFIG_MAX_NAME, "dim %s name", rd->id);
- config_get(st->id, varname, name);
+ snprintfz(varname, CONFIG_MAX_NAME, "dim %s name", rd->id);
+ config_set_default(st->id, varname, name);
}
void rrddim_free(RRDSET *st, RRDDIM *rd)
info("Memory cleanup completed...");
}
-void rrdset_save_all(void)
-{
- debug(D_RRD_CALLS, "rrdset_save_all()");
+void rrdset_save_all(void) {
+ info("Saving database...");
RRDSET *st;
RRDDIM *rd;
char buf[RRD_ID_LENGTH_MAX + 1];
- strncpy(buf, type, RRD_ID_LENGTH_MAX - 1);
- buf[RRD_ID_LENGTH_MAX - 1] = '\0';
+ strncpyz(buf, type, RRD_ID_LENGTH_MAX - 1);
strcat(buf, ".");
int len = (int) strlen(buf);
- strncpy(&buf[len], id, (size_t) (RRD_ID_LENGTH_MAX - len));
- buf[RRD_ID_LENGTH_MAX] = '\0';
+ strncpyz(&buf[len], id, (size_t) (RRD_ID_LENGTH_MAX - len));
return(rrdset_find(buf));
}
unsigned long long rrdset_done(RRDSET *st)
{
+ if(unlikely(netdata_exit)) return 0;
+
debug(D_RRD_CALLS, "rrdset_done() for chart %s", st->name);
RRDDIM *rd, *last;
- int oldstate, store_this_entry = 1, first_entry = 0, in_the_same_interpolation_point = 0;
- unsigned long long last_ut, now_ut, next_ut;
+ int oldstate, store_this_entry = 1, first_entry = 0;
+ unsigned long long last_ut, now_ut, next_ut, stored_entries = 0;
if(unlikely(pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &oldstate) != 0))
error("Cannot set pthread cancel state to DISABLE.");
pthread_rwlock_rdlock(&st->rwlock);
// enable the chart, if it was disabled
- st->enabled = 1;
+ if(unlikely(rrd_delete_unupdated_dimensions) && !st->enabled)
+ st->enabled = 1;
// check if the chart has a long time to be updated
if(unlikely(st->usec_since_last_update > st->entries * st->update_every * 1000000ULL)) {
// check if we will re-write the entire data set
if(unlikely(usecdiff(&st->last_collected_time, &st->last_updated) > st->update_every * st->entries * 1000000ULL)) {
- info("%s: too old data (last updated at %u.%u, last collected at %u.%u). Reseting it. Will not store the next entry.", st->name, st->last_updated.tv_sec, st->last_updated.tv_usec, st->last_collected_time.tv_sec, st->last_collected_time.tv_usec);
+ info("%s: too old data (last updated at %zu.%zu, last collected at %zu.%zu). Reseting it. Will not store the next entry.", st->name, st->last_updated.tv_sec, st->last_updated.tv_usec, st->last_collected_time.tv_sec, st->last_collected_time.tv_usec);
rrdset_reset(st);
st->usec_since_last_update = st->update_every * 1000000ULL;
if(unlikely(!first_entry && now_ut < next_ut)) {
if(unlikely(st->debug)) debug(D_RRD_STATS, "%s: THIS IS IN THE SAME INTERPOLATION POINT", st->name);
- in_the_same_interpolation_point = 1;
}
if(unlikely(st->debug)) {
rd->last_collected_value = rd->collected_value;
}
- if(!in_the_same_interpolation_point) {
- rd->last_calculated_value = rd->calculated_value;
- }
-
rd->calculated_value = (calculated_number)(rd->collected_value - rd->last_collected_value)
* (calculated_number)rd->multiplier
/ (calculated_number)rd->divisor;
* (calculated_number)(rd->collected_value - rd->last_collected_value)
/ (calculated_number)(st->collected_total - st->last_collected_total);
- if(!in_the_same_interpolation_point) {
- rd->last_calculated_value = rd->calculated_value;
- }
-
if(unlikely(st->debug))
debug(D_RRD_STATS, "%s/%s: CALC PCENT-DIFF "
CALCULATED_NUMBER_FORMAT " = 100"
break;
}
- if(unlikely(st->debug)) debug(D_RRD_STATS, "%s/%s: END "
+ if(unlikely(st->debug)) debug(D_RRD_STATS, "%s/%s: PHASE2 "
" last_collected_value = " COLLECTED_NUMBER_FORMAT
" collected_value = " COLLECTED_NUMBER_FORMAT
" last_calculated_value = " CALCULATED_NUMBER_FORMAT
for( ; likely(next_ut <= now_ut) ; next_ut += st->update_every * 1000000ULL, iterations-- ) {
#ifdef NETDATA_INTERNAL_CHECKS
- if(iterations <= 0) { error("iterations calculation wrapped!"); }
+ if(iterations < 0) { error("%s: iterations calculation wrapped! first_ut = %llu, last_ut = %llu, next_ut = %llu, now_ut = %llu", st->name, first_ut, last_ut, next_ut, now_ut); }
#endif
if(unlikely(st->debug)) {
rd->values[st->current_entry] = pack_storage_number(0, SN_NOT_EXISTS);
}
+ stored_entries++;
+
if(unlikely(st->debug)) {
calculated_number t1 = new_value * (calculated_number)rd->multiplier / (calculated_number)rd->divisor;
calculated_number t2 = unpack_storage_number(rd->values[st->current_entry]);
}
// align next interpolation to last collection point
- st->last_updated.tv_sec = st->last_collected_time.tv_sec;
- st->last_updated.tv_usec = st->last_collected_time.tv_usec;
+ if(likely(stored_entries || !store_this_entry)) {
+ st->last_updated.tv_sec = st->last_collected_time.tv_sec;
+ st->last_updated.tv_usec = st->last_collected_time.tv_usec;
+ }
for( rd = st->dimensions; likely(rd) ; rd = rd->next ) {
if(unlikely(!rd->updated)) continue;
- int is_incremental = 0;
- if(rd->algorithm == RRDDIM_PCENT_OVER_DIFF_TOTAL || rd->algorithm == RRDDIM_INCREMENTAL)
- is_incremental = 1;
-
- if((is_incremental && !in_the_same_interpolation_point) || !is_incremental || !store_this_entry) {
+ if(likely(stored_entries || !store_this_entry)) {
if(unlikely(st->debug)) debug(D_RRD_STATS, "%s/%s: setting last_collected_value (old: " COLLECTED_NUMBER_FORMAT ") to last_collected_value (new: " COLLECTED_NUMBER_FORMAT ")", st->id, rd->name, rd->last_collected_value, rd->collected_value);
rd->last_collected_value = rd->collected_value;
if(unlikely(st->debug)) debug(D_RRD_STATS, "%s/%s: setting last_calculated_value (old: " CALCULATED_NUMBER_FORMAT ") to last_calculated_value (new: " CALCULATED_NUMBER_FORMAT ")", st->id, rd->name, rd->last_calculated_value, rd->calculated_value);
rd->last_calculated_value = rd->calculated_value;
}
- else {
- if(unlikely(st->debug)) debug(D_RRD_STATS, "%s/%s: discarding calculated_value (old: " CALCULATED_NUMBER_FORMAT ") new: 0", st->id, rd->name, rd->calculated_value);
- rd->calculated_value = 0;
- }
+ rd->calculated_value = 0;
rd->collected_value = 0;
rd->updated = 0;
- // if this is the first entry of incremental dimensions
- // we have to set the first calculated_value to zero
- // to eliminate the first spike
- if(unlikely(st->counter_done == 1)) switch(rd->algorithm) {
- case RRDDIM_PCENT_OVER_DIFF_TOTAL:
- case RRDDIM_INCREMENTAL:
- rd->calculated_value = 0;
- // the next time, a new incremental total will be calculated
- break;
- }
+ if(unlikely(st->debug)) debug(D_RRD_STATS, "%s/%s: END "
+ " last_collected_value = " COLLECTED_NUMBER_FORMAT
+ " collected_value = " COLLECTED_NUMBER_FORMAT
+ " last_calculated_value = " CALCULATED_NUMBER_FORMAT
+ " calculated_value = " CALCULATED_NUMBER_FORMAT
+ , st->id, rd->name
+ , rd->last_collected_value
+ , rd->collected_value
+ , rd->last_calculated_value
+ , rd->calculated_value
+ );
}
st->last_collected_total = st->collected_total;
projects / netdata.git / blobdiff