diff options
Diffstat (limited to '')
-rw-r--r-- | src/statsd.c | 571 |
1 files changed, 404 insertions, 167 deletions
diff --git a/src/statsd.c b/src/statsd.c index 39041ca8..44ebd889 100644 --- a/src/statsd.c +++ b/src/statsd.c @@ -36,7 +36,7 @@ // data specific to each metric type typedef struct statsd_metric_gauge { - long double value; + LONG_DOUBLE value; } STATSD_METRIC_GAUGE; typedef struct statsd_metric_counter { // counter and meter @@ -65,7 +65,7 @@ typedef struct statsd_histogram_extensions { size_t size; size_t used; - long double *values; // dynamic array of values collected + LONG_DOUBLE *values; // dynamic array of values collected } STATSD_METRIC_HISTOGRAM_EXTENSIONS; typedef struct statsd_metric_histogram { // histogram and timer @@ -175,6 +175,8 @@ typedef struct statsd_app_chart_dimension { collected_number multiplier; // the multipler of the dimension collected_number divisor; // the divisor of the dimension + RRDDIM_FLAGS flags; // the RRDDIM flags for this dimension + STATSD_APP_CHART_DIM_VALUE_TYPE value_type; // which value to use of the source metric RRDDIM *rd; // a pointer to the RRDDIM that has been created for this dimension @@ -218,6 +220,17 @@ typedef struct statsd_app { // -------------------------------------------------------------------------------------------------------------------- // global statsd data +struct collection_thread_status { + int status; + size_t max_sockets; + + netdata_thread_t thread; + struct rusage rusage; + RRDSET *st_cpu; + RRDDIM *rd_user; + RRDDIM *rd_system; +}; + static struct statsd { STATSD_INDEX gauges; STATSD_INDEX counters; @@ -227,6 +240,9 @@ static struct statsd { STATSD_INDEX sets; size_t unknown_types; size_t socket_errors; + size_t tcp_socket_connects; + size_t tcp_socket_disconnects; + size_t tcp_socket_connected; size_t tcp_socket_reads; size_t tcp_packets_received; size_t tcp_bytes_read; @@ -238,24 +254,30 @@ static struct statsd { int update_every; SIMPLE_PATTERN *charts_for; + size_t tcp_idle_timeout; size_t decimal_detail; size_t private_charts; size_t max_private_charts; size_t max_private_charts_hard; RRD_MEMORY_MODE private_charts_memory_mode; long private_charts_rrd_history_entries; + int private_charts_hidden; STATSD_APP *apps; size_t recvmmsg_size; size_t histogram_increase_step; double histogram_percentile; char *histogram_percentile_str; + int threads; + struct collection_thread_status *collection_threads_status; + LISTEN_SOCKETS sockets; } statsd = { .enabled = 1, .max_private_charts = 200, .max_private_charts_hard = 1000, + .private_charts_hidden = 0, .recvmmsg_size = 10, .decimal_detail = STATSD_DECIMAL_DETAIL, @@ -314,10 +336,13 @@ static struct statsd { STATSD_FIRST_PTR_MUTEX_INIT }, + .tcp_idle_timeout = 600, + .apps = NULL, .histogram_percentile = 95.0, .histogram_increase_step = 10, .threads = 0, + .collection_threads_status = NULL, .sockets = { .config_section = CONFIG_SECTION_STATSD, .default_bind_to = "udp:localhost tcp:localhost", @@ -336,7 +361,7 @@ static int statsd_metric_compare(void* a, void* b) { else return strcmp(((STATSD_METRIC *)a)->name, ((STATSD_METRIC *)b)->name); } -static inline STATSD_METRIC *stasd_metric_index_find(STATSD_INDEX *index, const char *name, uint32_t hash) { +static inline STATSD_METRIC *statsd_metric_index_find(STATSD_INDEX *index, const char *name, uint32_t hash) { STATSD_METRIC tmp; tmp.name = name; tmp.hash = (hash)?hash:simple_hash(tmp.name); @@ -349,7 +374,7 @@ static inline STATSD_METRIC *statsd_find_or_add_metric(STATSD_INDEX *index, cons uint32_t hash = simple_hash(name); - STATSD_METRIC *m = stasd_metric_index_find(index, name, hash); + STATSD_METRIC *m = statsd_metric_index_find(index, name, hash); if(unlikely(!m)) { debug(D_STATSD, "Creating new %s metric '%s'", index->name, name); @@ -387,8 +412,8 @@ static inline STATSD_METRIC *statsd_find_or_add_metric(STATSD_INDEX *index, cons // -------------------------------------------------------------------------------------------------------------------- // statsd parsing numbers -static inline long double statsd_parse_float(const char *v, long double def) { - long double value; +static inline LONG_DOUBLE statsd_parse_float(const char *v, LONG_DOUBLE def) { + LONG_DOUBLE value; if(likely(v && *v)) { char *e = NULL; @@ -426,6 +451,10 @@ static inline void statsd_reset_metric(STATSD_METRIC *m) { m->count = 0; } +static inline int value_is_zinit(const char *value) { + return (value && *value == 'z' && *++value == 'i' && *++value == 'n' && *++value == 'i' && *++value == 't' && *++value == '\0'); +} + static inline void statsd_process_gauge(STATSD_METRIC *m, const char *value, const char *sampling) { if(unlikely(!value || !*value)) { error("STATSD: metric '%s' of type gauge, with empty value is ignored.", m->name); @@ -437,13 +466,18 @@ static inline void statsd_process_gauge(STATSD_METRIC *m, const char *value, con statsd_reset_metric(m); } - if(unlikely(*value == '+' || *value == '-')) - m->gauge.value += statsd_parse_float(value, 1.0) / statsd_parse_float(sampling, 1.0); - else - m->gauge.value = statsd_parse_float(value, 1.0) / statsd_parse_float(sampling, 1.0); + if(unlikely(value_is_zinit(value))) { + // magic loading of metric, without affecting anything + } + else { + if (unlikely(*value == '+' || *value == '-')) + m->gauge.value += statsd_parse_float(value, 1.0) / statsd_parse_float(sampling, 1.0); + else + m->gauge.value = statsd_parse_float(value, 1.0) / statsd_parse_float(sampling, 1.0); - m->events++; - m->count++; + m->events++; + m->count++; + } } static inline void statsd_process_counter(STATSD_METRIC *m, const char *value, const char *sampling) { @@ -451,10 +485,15 @@ static inline void statsd_process_counter(STATSD_METRIC *m, const char *value, c if(unlikely(m->reset)) statsd_reset_metric(m); - m->counter.value += llrintl((long double)statsd_parse_int(value, 1) / statsd_parse_float(sampling, 1.0)); + if(unlikely(value_is_zinit(value))) { + // magic loading of metric, without affecting anything + } + else { + m->counter.value += llrintl((LONG_DOUBLE) statsd_parse_int(value, 1) / statsd_parse_float(sampling, 1.0)); - m->events++; - m->count++; + m->events++; + m->count++; + } } static inline void statsd_process_meter(STATSD_METRIC *m, const char *value, const char *sampling) { @@ -473,17 +512,22 @@ static inline void statsd_process_histogram(STATSD_METRIC *m, const char *value, statsd_reset_metric(m); } - if(unlikely(m->histogram.ext->used == m->histogram.ext->size)) { - netdata_mutex_lock(&m->histogram.ext->mutex); - m->histogram.ext->size += statsd.histogram_increase_step; - m->histogram.ext->values = reallocz(m->histogram.ext->values, sizeof(long double) * m->histogram.ext->size); - netdata_mutex_unlock(&m->histogram.ext->mutex); + if(unlikely(value_is_zinit(value))) { + // magic loading of metric, without affecting anything } + else { + if (unlikely(m->histogram.ext->used == m->histogram.ext->size)) { + netdata_mutex_lock(&m->histogram.ext->mutex); + m->histogram.ext->size += statsd.histogram_increase_step; + m->histogram.ext->values = reallocz(m->histogram.ext->values, sizeof(LONG_DOUBLE) * m->histogram.ext->size); + netdata_mutex_unlock(&m->histogram.ext->mutex); + } - m->histogram.ext->values[m->histogram.ext->used++] = statsd_parse_float(value, 1.0) / statsd_parse_float(sampling, 1.0); + m->histogram.ext->values[m->histogram.ext->used++] = statsd_parse_float(value, 1.0) / statsd_parse_float(sampling, 1.0); - m->events++; - m->count++; + m->events++; + m->count++; + } } static inline void statsd_process_timer(STATSD_METRIC *m, const char *value, const char *sampling) { @@ -510,19 +554,24 @@ static inline void statsd_process_set(STATSD_METRIC *m, const char *value) { statsd_reset_metric(m); } - if(unlikely(!m->set.dict)) { - m->set.dict = dictionary_create(STATSD_DICTIONARY_OPTIONS|DICTIONARY_FLAG_VALUE_LINK_DONT_CLONE); + if (unlikely(!m->set.dict)) { + m->set.dict = dictionary_create(STATSD_DICTIONARY_OPTIONS | DICTIONARY_FLAG_VALUE_LINK_DONT_CLONE); m->set.unique = 0; } - void *t = dictionary_get(m->set.dict, value); - if(unlikely(!t)) { - dictionary_set(m->set.dict, value, NULL, 1); - m->set.unique++; + if(unlikely(value_is_zinit(value))) { + // magic loading of metric, without affecting anything } + else { + void *t = dictionary_get(m->set.dict, value); + if (unlikely(!t)) { + dictionary_set(m->set.dict, value, NULL, 1); + m->set.unique++; + } - m->events++; - m->count++; + m->events++; + m->count++; + } } @@ -678,6 +727,7 @@ struct statsd_tcp { #ifdef HAVE_RECVMMSG struct statsd_udp { + int *running; STATSD_SOCKET_DATA_TYPE type; size_t size; struct iovec *iovecs; @@ -685,54 +735,58 @@ struct statsd_udp { }; #else struct statsd_udp { + int *running; STATSD_SOCKET_DATA_TYPE type; char buffer[STATSD_UDP_BUFFER_SIZE]; }; #endif // new TCP client connected -static void *statsd_add_callback(int fd, int socktype, short int *events) { - (void)fd; - (void)socktype; +static void *statsd_add_callback(POLLINFO *pi, short int *events, void *data) { + (void)pi; + (void)data; + *events = POLLIN; - struct statsd_tcp *data = (struct statsd_tcp *)callocz(sizeof(struct statsd_tcp) + STATSD_TCP_BUFFER_SIZE, 1); - data->type = STATSD_SOCKET_DATA_TYPE_TCP; - data->size = STATSD_TCP_BUFFER_SIZE - 1; + struct statsd_tcp *t = (struct statsd_tcp *)callocz(sizeof(struct statsd_tcp) + STATSD_TCP_BUFFER_SIZE, 1); + t->type = STATSD_SOCKET_DATA_TYPE_TCP; + t->size = STATSD_TCP_BUFFER_SIZE - 1; + statsd.tcp_socket_connects++; + statsd.tcp_socket_connected++; - return data; + return t; } // TCP client disconnected -static void statsd_del_callback(int fd, int socktype, void *data) { - (void)fd; - (void)socktype; +static void statsd_del_callback(POLLINFO *pi) { + struct statsd_tcp *t = pi->data; - if(data) { - struct statsd_tcp *t = data; + if(likely(t)) { if(t->type == STATSD_SOCKET_DATA_TYPE_TCP) { if(t->len != 0) { statsd.socket_errors++; error("STATSD: client is probably sending unterminated metrics. Closed socket left with '%s'. Trying to process it.", t->buffer); statsd_process(t->buffer, t->len, 0); } + statsd.tcp_socket_disconnects++; + statsd.tcp_socket_connected--; } else error("STATSD: internal error: received socket data type is %d, but expected %d", (int)t->type, (int)STATSD_SOCKET_DATA_TYPE_TCP); - freez(data); + freez(t); } - - return; } // Receive data -static int statsd_rcv_callback(int fd, int socktype, void *data, short int *events) { +static int statsd_rcv_callback(POLLINFO *pi, short int *events) { *events = POLLIN; - switch(socktype) { + int fd = pi->fd; + + switch(pi->socktype) { case SOCK_STREAM: { - struct statsd_tcp *d = (struct statsd_tcp *)data; + struct statsd_tcp *d = (struct statsd_tcp *)pi->data; if(unlikely(!d)) { error("STATSD: internal error: expected TCP data pointer is NULL"); statsd.socket_errors++; @@ -784,7 +838,7 @@ static int statsd_rcv_callback(int fd, int socktype, void *data, short int *even } case SOCK_DGRAM: { - struct statsd_udp *d = (struct statsd_udp *)data; + struct statsd_udp *d = (struct statsd_udp *)pi->data; if(unlikely(!d)) { error("STATSD: internal error: expected UDP data pointer is NULL"); statsd.socket_errors++; @@ -849,7 +903,7 @@ static int statsd_rcv_callback(int fd, int socktype, void *data, short int *even } default: { - error("STATSD: internal error: unknown socktype %d on socket %d", socktype, fd); + error("STATSD: internal error: unknown socktype %d on socket %d", pi->socktype, fd); statsd.socket_errors++; return -1; } @@ -858,21 +912,27 @@ static int statsd_rcv_callback(int fd, int socktype, void *data, short int *even return 0; } -static int statsd_snd_callback(int fd, int socktype, void *data, short int *events) { - (void)fd; - (void)socktype; - (void)data; +static int statsd_snd_callback(POLLINFO *pi, short int *events) { + (void)pi; (void)events; error("STATSD: snd_callback() called, but we never requested to send data to statsd clients."); return -1; } +static void statsd_timer_callback(void *timer_data) { + struct collection_thread_status *status = timer_data; + getrusage(RUSAGE_THREAD, &status->rusage); +} + // -------------------------------------------------------------------------------------------------------------------- // statsd child thread to collect metrics from network void statsd_collector_thread_cleanup(void *data) { struct statsd_udp *d = data; + *d->running = 0; + + info("cleaning up..."); #ifdef HAVE_RECVMMSG size_t i; @@ -887,18 +947,15 @@ void statsd_collector_thread_cleanup(void *data) { } void *statsd_collector_thread(void *ptr) { - int id = *((int *)ptr); - - info("STATSD collector thread No %d created with task id %d", id + 1, gettid()); + struct collection_thread_status *status = ptr; + status->status = 1; - if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0) - error("Cannot set pthread cancel type to DEFERRED."); - - if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0) - error("Cannot set pthread cancel state to ENABLE."); + info("STATSD collector thread started with taskid %d", gettid()); struct statsd_udp *d = callocz(sizeof(struct statsd_udp), 1); - pthread_cleanup_push(statsd_collector_thread_cleanup, d); + d->running = &status->status; + + netdata_thread_cleanup_push(statsd_collector_thread_cleanup, d); #ifdef HAVE_RECVMMSG d->type = STATSD_SOCKET_DATA_TYPE_UDP; @@ -920,14 +977,17 @@ void *statsd_collector_thread(void *ptr) { , statsd_del_callback , statsd_rcv_callback , statsd_snd_callback + , statsd_timer_callback , NULL , (void *)d + , 0 // tcp request timeout, 0 = disabled + , statsd.tcp_idle_timeout // tcp idle timeout, 0 = disabled + , statsd.update_every * 1000 + , ptr // timer_data + , status->max_sockets ); - pthread_cleanup_pop(1); - - debug(D_WEB_CLIENT, "STATSD: exit!"); - pthread_exit(NULL); + netdata_thread_cleanup_pop(1); return NULL; } @@ -977,6 +1037,7 @@ static STATSD_APP_CHART_DIM *add_dimension_to_app_chart( , const char *dim_name , collected_number multiplier , collected_number divisor + , RRDDIM_FLAGS flags , STATSD_APP_CHART_DIM_VALUE_TYPE value_type ) { STATSD_APP_CHART_DIM *dim = callocz(sizeof(STATSD_APP_CHART_DIM), 1); @@ -988,6 +1049,7 @@ static STATSD_APP_CHART_DIM *add_dimension_to_app_chart( dim->multiplier = multiplier; dim->divisor = divisor; dim->value_type = value_type; + dim->flags = flags; if(!dim->multiplier) dim->multiplier = 1; @@ -1014,23 +1076,23 @@ static STATSD_APP_CHART_DIM *add_dimension_to_app_chart( return dim; } -int statsd_readfile(const char *path, const char *filename) { +static int statsd_readfile(const char *path, const char *filename, STATSD_APP *app, STATSD_APP_CHART *chart, DICTIONARY *dict) { debug(D_STATSD, "STATSD configuration reading file '%s/%s'", path, filename); - char buffer[STATSD_CONF_LINE_MAX + 1]; + char *buffer = mallocz(STATSD_CONF_LINE_MAX + 1); + + if(filename[0] == '/') + strncpyz(buffer, filename, STATSD_CONF_LINE_MAX); + else + snprintfz(buffer, STATSD_CONF_LINE_MAX, "%s/%s", path, filename); - FILE *fp = NULL; - snprintfz(buffer, STATSD_CONF_LINE_MAX, "%s/%s", path, filename); - fp = fopen(buffer, "r"); + FILE *fp = fopen(buffer, "r"); if(!fp) { error("STATSD: cannot open file '%s'.", buffer); + freez(buffer); return -1; } - STATSD_APP *app = NULL; - STATSD_APP_CHART *chart = NULL; - DICTIONARY *dict = NULL; - size_t line = 0; char *s; while(fgets(buffer, STATSD_CONF_LINE_MAX, fp) != NULL) { @@ -1042,8 +1104,19 @@ int statsd_readfile(const char *path, const char *filename) { debug(D_STATSD, "STATSD: ignoring line %zu of file '%s/%s', it is empty.", line, path, filename); continue; } + debug(D_STATSD, "STATSD: processing line %zu of file '%s/%s': %s", line, path, filename, buffer); + if(*s == 'i' && strncmp(s, "include", 7) == 0) { + s = trim(&s[7]); + if(s && *s) + statsd_readfile(path, s, app, chart, dict); + else + error("STATSD: ignoring line %zu of file '%s/%s', include filename is empty", line, path, s); + + continue; + } + int len = (int) strlen(s); if (*s == '[' && s[len - 1] == ']') { // new section @@ -1061,6 +1134,12 @@ int statsd_readfile(const char *path, const char *filename) { statsd.apps = app; chart = NULL; dict = NULL; + + { + char lineandfile[FILENAME_MAX + 1]; + snprintfz(lineandfile, FILENAME_MAX, "%zu@%s", line, filename); + app->source = strdupz(lineandfile); + } } else if(app) { if(!strcmp(s, "dictionary")) { @@ -1086,6 +1165,12 @@ int statsd_readfile(const char *path, const char *filename) { chart->next = app->charts; app->charts = chart; + + { + char lineandfile[FILENAME_MAX + 1]; + snprintfz(lineandfile, FILENAME_MAX, "%zu@%s", line, filename); + chart->source = strdupz(lineandfile); + } } } else @@ -1135,7 +1220,7 @@ int statsd_readfile(const char *path, const char *filename) { } else if (!strcmp(name, "metrics")) { simple_pattern_free(app->metrics); - app->metrics = simple_pattern_create(value, SIMPLE_PATTERN_EXACT); + app->metrics = simple_pattern_create(value, NULL, SIMPLE_PATTERN_EXACT); } else if (!strcmp(name, "private charts")) { if (!strcmp(value, "yes") || !strcmp(value, "on")) @@ -1209,6 +1294,14 @@ int statsd_readfile(const char *path, const char *filename) { char *type = words[i++]; char *multipler = words[i++]; char *divisor = words[i++]; + char *options = words[i++]; + + RRDDIM_FLAGS flags = RRDDIM_FLAG_NONE; + if(options && *options) { + if(strstr(options, "hidden") != NULL) flags |= RRDDIM_FLAG_HIDDEN; + if(strstr(options, "noreset") != NULL) flags |= RRDDIM_FLAG_DONT_DETECT_RESETS_OR_OVERFLOWS; + if(strstr(options, "nooverflow") != NULL) flags |= RRDDIM_FLAG_DONT_DETECT_RESETS_OR_OVERFLOWS; + } if(!pattern) { if(app->dict) { @@ -1232,11 +1325,12 @@ int statsd_readfile(const char *path, const char *filename) { , dim_name , (multipler && *multipler)?str2l(multipler):1 , (divisor && *divisor)?str2l(divisor):1 + , flags , string2valuetype(type, line, path, filename) ); if(pattern) - dim->metric_pattern = simple_pattern_create(dim->metric, SIMPLE_PATTERN_EXACT); + dim->metric_pattern = simple_pattern_create(dim->metric, NULL, SIMPLE_PATTERN_EXACT); } else { error("STATSD: ignoring line %zu ('%s') of file '%s/%s'. Unknown keyword for the [%s] section.", line, name, path, filename, chart->id); @@ -1245,6 +1339,7 @@ int statsd_readfile(const char *path, const char *filename) { } } + freez(buffer); fclose(fp); return 0; } @@ -1285,7 +1380,7 @@ static void statsd_readdir(const char *path) { else if((de->d_type == DT_LNK || de->d_type == DT_REG || de->d_type == DT_UNKNOWN) && len > 5 && !strcmp(&de->d_name[len - 5], ".conf")) { - statsd_readfile(path, de->d_name); + statsd_readfile(path, de->d_name, NULL, NULL, NULL); } else debug(D_STATSD, "STATSD: ignoring file '%s'", de->d_name); @@ -1351,7 +1446,7 @@ static inline RRDSET *statsd_private_rrdset_create( , title // title , units // units , "statsd" // plugin - , NULL // module + , "private_chart" // module , priority // priority , update_every // update every , chart_type // chart type @@ -1359,6 +1454,10 @@ static inline RRDSET *statsd_private_rrdset_create( , history // history ); rrdset_flag_set(st, RRDSET_FLAG_STORE_FIRST); + + if(statsd.private_charts_hidden) + rrdset_flag_set(st, RRDSET_FLAG_HIDDEN); + // rrdset_flag_set(st, RRDSET_FLAG_DEBUG); return st; } @@ -1370,14 +1469,20 @@ static inline void statsd_private_chart_gauge(STATSD_METRIC *m) { char type[RRD_ID_LENGTH_MAX + 1], id[RRD_ID_LENGTH_MAX + 1]; statsd_get_metric_type_and_id(m, type, id, "gauge", RRD_ID_LENGTH_MAX); + char context[RRD_ID_LENGTH_MAX + 1]; + snprintfz(context, RRD_ID_LENGTH_MAX, "statsd_gauge.%s", m->name); + + char title[RRD_ID_LENGTH_MAX + 1]; + snprintfz(title, RRD_ID_LENGTH_MAX, "statsd private chart for gauge %s", m->name); + m->st = statsd_private_rrdset_create( m , type , id , NULL // name , "gauges" // family (submenu) - , m->name // context - , m->name // title + , context // context + , title // title , "value" // units , STATSD_CHART_PRIORITY , statsd.update_every @@ -1406,14 +1511,20 @@ static inline void statsd_private_chart_counter_or_meter(STATSD_METRIC *m, const char type[RRD_ID_LENGTH_MAX + 1], id[RRD_ID_LENGTH_MAX + 1]; statsd_get_metric_type_and_id(m, type, id, dim, RRD_ID_LENGTH_MAX); + char context[RRD_ID_LENGTH_MAX + 1]; + snprintfz(context, RRD_ID_LENGTH_MAX, "statsd_%s.%s", dim, m->name); + + char title[RRD_ID_LENGTH_MAX + 1]; + snprintfz(title, RRD_ID_LENGTH_MAX, "statsd private chart for %s %s", dim, m->name); + m->st = statsd_private_rrdset_create( m , type , id , NULL // name , family // family (submenu) - , m->name // context - , m->name // title + , context // context + , title // title , "events/s" // units , STATSD_CHART_PRIORITY , statsd.update_every @@ -1442,14 +1553,20 @@ static inline void statsd_private_chart_set(STATSD_METRIC *m) { char type[RRD_ID_LENGTH_MAX + 1], id[RRD_ID_LENGTH_MAX + 1]; statsd_get_metric_type_and_id(m, type, id, "set", RRD_ID_LENGTH_MAX); + char context[RRD_ID_LENGTH_MAX + 1]; + snprintfz(context, RRD_ID_LENGTH_MAX, "statsd_set.%s", m->name); + + char title[RRD_ID_LENGTH_MAX + 1]; + snprintfz(title, RRD_ID_LENGTH_MAX, "statsd private chart for set %s", m->name); + m->st = statsd_private_rrdset_create( m , type , id , NULL // name , "sets" // family (submenu) - , m->name // context - , m->name // title + , context // context + , title // title , "entries" // units , STATSD_CHART_PRIORITY , statsd.update_every @@ -1478,14 +1595,20 @@ static inline void statsd_private_chart_timer_or_histogram(STATSD_METRIC *m, con char type[RRD_ID_LENGTH_MAX + 1], id[RRD_ID_LENGTH_MAX + 1]; statsd_get_metric_type_and_id(m, type, id, dim, RRD_ID_LENGTH_MAX); + char context[RRD_ID_LENGTH_MAX + 1]; + snprintfz(context, RRD_ID_LENGTH_MAX, "statsd_%s.%s", dim, m->name); + + char title[RRD_ID_LENGTH_MAX + 1]; + snprintfz(title, RRD_ID_LENGTH_MAX, "statsd private chart for %s %s", dim, m->name); + m->st = statsd_private_rrdset_create( m , type , id , NULL // name , family // family (submenu) - , m->name // context - , m->name // title + , context // context + , title // title , units // units , STATSD_CHART_PRIORITY , statsd.update_every @@ -1599,7 +1722,7 @@ static inline void statsd_flush_timer_or_histogram(STATSD_METRIC *m, const char int updated = 0; if(m->count && !m->reset && m->histogram.ext->used > 0) { size_t len = m->histogram.ext->used; - long double *series = m->histogram.ext->values; + LONG_DOUBLE *series = m->histogram.ext->values; sort_series(series, len); m->histogram.ext->last_min = (collected_number)roundl(series[0] * statsd.decimal_detail); @@ -1779,6 +1902,7 @@ static inline void check_if_metric_is_for_app(STATSD_INDEX *index, STATSD_METRIC , final_name , dim->multiplier , dim->divisor + , dim->flags , dim->value_type ); @@ -1834,10 +1958,12 @@ static inline RRDDIM *statsd_add_dim_to_app_chart(STATSD_APP *app, STATSD_APP_CH } dim->rd = rrddim_add(chart->st, metric, dim->name, dim->multiplier, dim->divisor, dim->algorithm); + if(dim->flags != RRDDIM_FLAG_NONE) dim->rd->flags |= dim->flags; return dim->rd; } dim->rd = rrddim_add(chart->st, dim->metric, dim->name, dim->multiplier, dim->divisor, dim->algorithm); + if(dim->flags != RRDDIM_FLAG_NONE) dim->rd->flags |= dim->flags; return dim->rd; } @@ -1855,7 +1981,7 @@ static inline void statsd_update_app_chart(STATSD_APP *app, STATSD_APP_CHART *ch , chart->title // title , chart->units // units , "statsd" // plugin - , NULL // module + , chart->source // module , chart->priority // priority , statsd.update_every // update every , chart->chart_type // chart type @@ -1903,10 +2029,23 @@ static inline void statsd_update_all_app_charts(void) { // debug(D_STATSD, "completed update of app charts"); } +const char *statsd_metric_type_string(STATSD_METRIC_TYPE type) { + switch(type) { + case STATSD_METRIC_TYPE_COUNTER: return "counter"; + case STATSD_METRIC_TYPE_GAUGE: return "gauge"; + case STATSD_METRIC_TYPE_HISTOGRAM: return "histogram"; + case STATSD_METRIC_TYPE_METER: return "meter"; + case STATSD_METRIC_TYPE_SET: return "set"; + case STATSD_METRIC_TYPE_TIMER: return "timer"; + default: return "unknown"; + } +} + static inline void statsd_flush_index_metrics(STATSD_INDEX *index, void (*flush_metric)(STATSD_METRIC *)) { STATSD_METRIC *m; for(m = index->first; m ; m = m->next) { if(unlikely(!(m->options & STATSD_METRIC_OPTION_CHECKED_IN_APPS))) { + log_access("NEW STATSD METRIC '%s': '%s'", statsd_metric_type_string(m->type), m->name); check_if_metric_is_for_app(index, m); m->options |= STATSD_METRIC_OPTION_CHECKED_IN_APPS; } @@ -1938,30 +2077,37 @@ static inline void statsd_flush_index_metrics(STATSD_INDEX *index, void (*flush_ // -------------------------------------------------------------------------------------- // statsd main thread -int statsd_listen_sockets_setup(void) { +static int statsd_listen_sockets_setup(void) { return listen_sockets_setup(&statsd.sockets); } -void statsd_main_cleanup(void *data) { - pthread_t *threads = data; - - int i; - for(i = 0; i < statsd.threads ;i++) - pthread_cancel(threads[i]); +static void statsd_main_cleanup(void *data) { + struct netdata_static_thread *static_thread = (struct netdata_static_thread *)data; + static_thread->enabled = NETDATA_MAIN_THREAD_EXITING; + info("cleaning up..."); + + if (statsd.collection_threads_status) { + int i; + for (i = 0; i < statsd.threads; i++) { + if(statsd.collection_threads_status[i].status) { + info("STATSD: stopping data collection thread %d...", i + 1); + netdata_thread_cancel(statsd.collection_threads_status[i].thread); + } + else { + info("STATSD: data collection thread %d found stopped.", i + 1); + } + } + } + info("STATSD: closing sockets..."); listen_sockets_close(&statsd.sockets); + + info("STATSD: cleanup completed."); + static_thread->enabled = NETDATA_MAIN_THREAD_EXITED; } void *statsd_main(void *ptr) { - (void)ptr; - - info("STATSD main thread created with task id %d", gettid()); - - if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0) - error("Cannot set pthread cancel type to DEFERRED."); - - if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0) - error("Cannot set pthread cancel state to ENABLE."); + netdata_thread_cleanup_push(statsd_main_cleanup, ptr); // ---------------------------------------------------------------------------------------------------------------- // statsd configuration @@ -1979,12 +2125,14 @@ void *statsd_main(void *ptr) { statsd.recvmmsg_size = (size_t)config_get_number(CONFIG_SECTION_STATSD, "udp messages to process at once", (long long)statsd.recvmmsg_size); #endif - statsd.charts_for = simple_pattern_create(config_get(CONFIG_SECTION_STATSD, "create private charts for metrics matching", "*"), SIMPLE_PATTERN_EXACT); + statsd.charts_for = simple_pattern_create(config_get(CONFIG_SECTION_STATSD, "create private charts for metrics matching", "*"), NULL, SIMPLE_PATTERN_EXACT); statsd.max_private_charts = (size_t)config_get_number(CONFIG_SECTION_STATSD, "max private charts allowed", (long long)statsd.max_private_charts); statsd.max_private_charts_hard = (size_t)config_get_number(CONFIG_SECTION_STATSD, "max private charts hard limit", (long long)statsd.max_private_charts * 5); statsd.private_charts_memory_mode = rrd_memory_mode_id(config_get(CONFIG_SECTION_STATSD, "private charts memory mode", rrd_memory_mode_name(default_rrd_memory_mode))); statsd.private_charts_rrd_history_entries = (int)config_get_number(CONFIG_SECTION_STATSD, "private charts history", default_rrd_history_entries); statsd.decimal_detail = (size_t)config_get_number(CONFIG_SECTION_STATSD, "decimal detail", (long long int)statsd.decimal_detail); + statsd.tcp_idle_timeout = (size_t) config_get_number(CONFIG_SECTION_STATSD, "disconnect idle tcp clients after seconds", (long long int)statsd.tcp_idle_timeout); + statsd.private_charts_hidden = (int)config_get_boolean(CONFIG_SECTION_STATSD, "private charts hidden", statsd.private_charts_hidden); statsd.histogram_percentile = (double)config_get_float(CONFIG_SECTION_STATSD, "histograms and timers percentile (percentThreshold)", statsd.histogram_percentile); if(isless(statsd.histogram_percentile, 0) || isgreater(statsd.histogram_percentile, 100)) { @@ -2024,6 +2172,8 @@ void *statsd_main(void *ptr) { if(config_get_boolean(CONFIG_SECTION_STATSD, "gaps on timers (deleteTimers)", 0)) statsd.timers.default_options |= STATSD_METRIC_OPTION_SHOW_GAPS_WHEN_NOT_COLLECTED; + size_t max_sockets = (size_t)config_get_number(CONFIG_SECTION_STATSD, "statsd server max TCP sockets", (long long int)(rlimit_nofile.rlim_cur / 4)); + #ifdef STATSD_MULTITHREADED statsd.threads = (int)config_get_number(CONFIG_SECTION_STATSD, "threads", processors); if(statsd.threads < 1) { @@ -2050,22 +2200,19 @@ void *statsd_main(void *ptr) { statsd_listen_sockets_setup(); if(!statsd.sockets.opened) { error("STATSD: No statsd sockets to listen to. statsd will be disabled."); - pthread_exit(NULL); + goto cleanup; } - pthread_t threads[statsd.threads]; - int i; + statsd.collection_threads_status = callocz((size_t)statsd.threads, sizeof(struct collection_thread_status)); + int i; for(i = 0; i < statsd.threads ;i++) { - if(pthread_create(&threads[i], NULL, statsd_collector_thread, &i)) - error("STATSD: failed to create child thread."); - - else if(pthread_detach(threads[i])) - error("STATSD: cannot request detach of child thread."); + statsd.collection_threads_status[i].max_sockets = max_sockets / statsd.threads; + char tag[NETDATA_THREAD_TAG_MAX + 1]; + snprintfz(tag, NETDATA_THREAD_TAG_MAX, "STATSD_COLLECTOR[%d]", i + 1); + netdata_thread_create(&statsd.collection_threads_status[i].thread, tag, NETDATA_THREAD_OPTION_DEFAULT, statsd_collector_thread, &statsd.collection_threads_status[i]); } - pthread_cleanup_push(statsd_main_cleanup, &threads); - // ---------------------------------------------------------------------------------------------------------------- // statsd monitoring charts @@ -2077,9 +2224,9 @@ void *statsd_main(void *ptr) { , NULL , "Metrics in the netdata statsd database" , "metrics" - , "netdata" + , "statsd" , "stats" - , 132000 + , 132010 , statsd.update_every , RRDSET_TYPE_STACKED ); @@ -2098,9 +2245,9 @@ void *statsd_main(void *ptr) { , NULL , "Events processed by the netdata statsd server" , "events/s" - , "netdata" + , "statsd" , "stats" - , 132001 + , 132011 , statsd.update_every , RRDSET_TYPE_STACKED ); @@ -2121,9 +2268,9 @@ void *statsd_main(void *ptr) { , NULL , "Read operations made by the netdata statsd server" , "reads/s" - , "netdata" + , "statsd" , "stats" - , 132002 + , 132012 , statsd.update_every , RRDSET_TYPE_STACKED ); @@ -2140,7 +2287,7 @@ void *statsd_main(void *ptr) { , "kilobits/s" , "netdata" , "stats" - , 132003 + , 132013 , statsd.update_every , RRDSET_TYPE_STACKED ); @@ -2157,13 +2304,46 @@ void *statsd_main(void *ptr) { , "packets/s" , "netdata" , "stats" - , 132004 + , 132014 , statsd.update_every , RRDSET_TYPE_STACKED ); RRDDIM *rd_packets_tcp = rrddim_add(st_packets, "tcp", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); RRDDIM *rd_packets_udp = rrddim_add(st_packets, "udp", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); + RRDSET *st_tcp_connects = rrdset_create_localhost( + "netdata" + , "tcp_connects" + , NULL + , "statsd" + , NULL + , "statsd server TCP connects and disconnects" + , "events" + , "statsd" + , "stats" + , 132015 + , statsd.update_every + , RRDSET_TYPE_LINE + ); + RRDDIM *rd_tcp_connects = rrddim_add(st_tcp_connects, "connects", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); + RRDDIM *rd_tcp_disconnects = rrddim_add(st_tcp_connects, "disconnects", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL); + + RRDSET *st_tcp_connected = rrdset_create_localhost( + "netdata" + , "tcp_connected" + , NULL + , "statsd" + , NULL + , "statsd server TCP connected sockets" + , "connected" + , "statsd" + , "stats" + , 132016 + , statsd.update_every + , RRDSET_TYPE_LINE + ); + RRDDIM *rd_tcp_connected = rrddim_add(st_tcp_connected, "connected", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); + RRDSET *st_pcharts = rrdset_create_localhost( "netdata" , "private_charts" @@ -2172,27 +2352,68 @@ void *statsd_main(void *ptr) { , NULL , "Private metric charts created by the netdata statsd server" , "charts" - , "netdata" + , "statsd" , "stats" - , 132010 + , 132020 , statsd.update_every , RRDSET_TYPE_AREA ); RRDDIM *rd_pcharts = rrddim_add(st_pcharts, "charts", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); + RRDSET *stcpu_thread = rrdset_create_localhost( + "netdata" + , "plugin_statsd_charting_cpu" + , NULL + , "statsd" + , "netdata.statsd_cpu" + , "NetData statsd charting thread CPU usage" + , "milliseconds/s" + , "statsd" + , "stats" + , 132001 + , statsd.update_every + , RRDSET_TYPE_STACKED + ); - // ---------------------------------------------------------------------------------------------------------------- + RRDDIM *rd_user = rrddim_add(stcpu_thread, "user", NULL, 1, 1000, RRD_ALGORITHM_INCREMENTAL); + RRDDIM *rd_system = rrddim_add(stcpu_thread, "system", NULL, 1, 1000, RRD_ALGORITHM_INCREMENTAL); + struct rusage thread; + + for(i = 0; i < statsd.threads ;i++) { + char id[100 + 1]; + char title[100 + 1]; + + snprintfz(id, 100, "plugin_statsd_collector%d_cpu", i + 1); + snprintfz(title, 100, "NetData statsd collector thread No %d CPU usage", i + 1); + + statsd.collection_threads_status[i].st_cpu = rrdset_create_localhost( + "netdata" + , id + , NULL + , "statsd" + , "netdata.statsd_cpu" + , title + , "milliseconds/s" + , "statsd" + , "stats" + , 132002 + i + , statsd.update_every + , RRDSET_TYPE_STACKED + ); + + statsd.collection_threads_status[i].rd_user = rrddim_add(statsd.collection_threads_status[i].st_cpu, "user", NULL, 1, 1000, RRD_ALGORITHM_INCREMENTAL); + statsd.collection_threads_status[i].rd_system = rrddim_add(statsd.collection_threads_status[i].st_cpu, "system", NULL, 1, 1000, RRD_ALGORITHM_INCREMENTAL); + } + + // ---------------------------------------------------------------------------------------------------------------- // statsd thread to turn metrics into charts usec_t step = statsd.update_every * USEC_PER_SEC; heartbeat_t hb; heartbeat_init(&hb); - for(;;) { + while(!netdata_exit) { usec_t hb_dt = heartbeat_next(&hb, step); - if(unlikely(netdata_exit)) - break; - statsd_flush_index_metrics(&statsd.gauges, statsd_flush_gauge); statsd_flush_index_metrics(&statsd.counters, statsd_flush_counter); statsd_flush_index_metrics(&statsd.meters, statsd_flush_meter); @@ -2202,61 +2423,77 @@ void *statsd_main(void *ptr) { statsd_update_all_app_charts(); + getrusage(RUSAGE_THREAD, &thread); + if(unlikely(netdata_exit)) break; - if(hb_dt) { + if(likely(hb_dt)) { rrdset_next(st_metrics); rrdset_next(st_events); rrdset_next(st_reads); rrdset_next(st_bytes); rrdset_next(st_packets); + rrdset_next(st_tcp_connects); + rrdset_next(st_tcp_connected); rrdset_next(st_pcharts); + rrdset_next(stcpu_thread); + for(i = 0; i < statsd.threads ;i++) + rrdset_next(statsd.collection_threads_status[i].st_cpu); } - rrddim_set_by_pointer(st_metrics, rd_metrics_gauge, (collected_number)statsd.gauges.metrics); - rrddim_set_by_pointer(st_metrics, rd_metrics_counter, (collected_number)statsd.counters.metrics); - rrddim_set_by_pointer(st_metrics, rd_metrics_timer, (collected_number)statsd.timers.metrics); - rrddim_set_by_pointer(st_metrics, rd_metrics_meter, (collected_number)statsd.meters.metrics); - rrddim_set_by_pointer(st_metrics, rd_metrics_histogram, (collected_number)statsd.histograms.metrics); - rrddim_set_by_pointer(st_metrics, rd_metrics_set, (collected_number)statsd.sets.metrics); + rrddim_set_by_pointer(st_metrics, rd_metrics_gauge, (collected_number)statsd.gauges.metrics); + rrddim_set_by_pointer(st_metrics, rd_metrics_counter, (collected_number)statsd.counters.metrics); + rrddim_set_by_pointer(st_metrics, rd_metrics_timer, (collected_number)statsd.timers.metrics); + rrddim_set_by_pointer(st_metrics, rd_metrics_meter, (collected_number)statsd.meters.metrics); + rrddim_set_by_pointer(st_metrics, rd_metrics_histogram, (collected_number)statsd.histograms.metrics); + rrddim_set_by_pointer(st_metrics, rd_metrics_set, (collected_number)statsd.sets.metrics); + rrdset_done(st_metrics); - rrddim_set_by_pointer(st_events, rd_events_gauge, (collected_number)statsd.gauges.events); - rrddim_set_by_pointer(st_events, rd_events_counter, (collected_number)statsd.counters.events); - rrddim_set_by_pointer(st_events, rd_events_timer, (collected_number)statsd.timers.events); - rrddim_set_by_pointer(st_events, rd_events_meter, (collected_number)statsd.meters.events); - rrddim_set_by_pointer(st_events, rd_events_histogram, (collected_number)statsd.histograms.events); - rrddim_set_by_pointer(st_events, rd_events_set, (collected_number)statsd.sets.events); - rrddim_set_by_pointer(st_events, rd_events_unknown, (collected_number)statsd.unknown_types); - rrddim_set_by_pointer(st_events, rd_events_errors, (collected_number)statsd.socket_errors); + rrddim_set_by_pointer(st_events, rd_events_gauge, (collected_number)statsd.gauges.events); + rrddim_set_by_pointer(st_events, rd_events_counter, (collected_number)statsd.counters.events); + rrddim_set_by_pointer(st_events, rd_events_timer, (collected_number)statsd.timers.events); + rrddim_set_by_pointer(st_events, rd_events_meter, (collected_number)statsd.meters.events); + rrddim_set_by_pointer(st_events, rd_events_histogram, (collected_number)statsd.histograms.events); + rrddim_set_by_pointer(st_events, rd_events_set, (collected_number)statsd.sets.events); + rrddim_set_by_pointer(st_events, rd_events_unknown, (collected_number)statsd.unknown_types); + rrddim_set_by_pointer(st_events, rd_events_errors, (collected_number)statsd.socket_errors); + rrdset_done(st_events); - rrddim_set_by_pointer(st_reads, rd_reads_tcp, (collected_number)statsd.tcp_socket_reads); - rrddim_set_by_pointer(st_reads, rd_reads_udp, (collected_number)statsd.udp_socket_reads); + rrddim_set_by_pointer(st_reads, rd_reads_tcp, (collected_number)statsd.tcp_socket_reads); + rrddim_set_by_pointer(st_reads, rd_reads_udp, (collected_number)statsd.udp_socket_reads); + rrdset_done(st_reads); - rrddim_set_by_pointer(st_bytes, rd_bytes_tcp, (collected_number)statsd.tcp_bytes_read); - rrddim_set_by_pointer(st_bytes, rd_bytes_udp, (collected_number)statsd.udp_bytes_read); + rrddim_set_by_pointer(st_bytes, rd_bytes_tcp, (collected_number)statsd.tcp_bytes_read); + rrddim_set_by_pointer(st_bytes, rd_bytes_udp, (collected_number)statsd.udp_bytes_read); + rrdset_done(st_bytes); - rrddim_set_by_pointer(st_packets, rd_packets_tcp, (collected_number)statsd.tcp_packets_received); - rrddim_set_by_pointer(st_packets, rd_packets_udp, (collected_number)statsd.udp_packets_received); + rrddim_set_by_pointer(st_packets, rd_packets_tcp, (collected_number)statsd.tcp_packets_received); + rrddim_set_by_pointer(st_packets, rd_packets_udp, (collected_number)statsd.udp_packets_received); + rrdset_done(st_packets); - rrddim_set_by_pointer(st_pcharts, rd_pcharts, (collected_number)statsd.private_charts); + rrddim_set_by_pointer(st_tcp_connects, rd_tcp_connects, (collected_number)statsd.tcp_socket_connects); + rrddim_set_by_pointer(st_tcp_connects, rd_tcp_disconnects, (collected_number)statsd.tcp_socket_disconnects); + rrdset_done(st_tcp_connects); - if(unlikely(netdata_exit)) - break; + rrddim_set_by_pointer(st_tcp_connected, rd_tcp_connected, (collected_number)statsd.tcp_socket_connected); + rrdset_done(st_tcp_connected); - rrdset_done(st_metrics); - rrdset_done(st_events); - rrdset_done(st_reads); - rrdset_done(st_bytes); - rrdset_done(st_packets); + rrddim_set_by_pointer(st_pcharts, rd_pcharts, (collected_number)statsd.private_charts); rrdset_done(st_pcharts); - if(unlikely(netdata_exit)) - break; - } + rrddim_set_by_pointer(stcpu_thread, rd_user, thread.ru_utime.tv_sec * 1000000ULL + thread.ru_utime.tv_usec); + rrddim_set_by_pointer(stcpu_thread, rd_system, thread.ru_stime.tv_sec * 1000000ULL + thread.ru_stime.tv_usec); + rrdset_done(stcpu_thread); - pthread_cleanup_pop(1); + for(i = 0; i < statsd.threads ;i++) { + rrddim_set_by_pointer(statsd.collection_threads_status[i].st_cpu, statsd.collection_threads_status[i].rd_user, statsd.collection_threads_status[i].rusage.ru_utime.tv_sec * 1000000ULL + statsd.collection_threads_status[i].rusage.ru_utime.tv_usec); + rrddim_set_by_pointer(statsd.collection_threads_status[i].st_cpu, statsd.collection_threads_status[i].rd_system, statsd.collection_threads_status[i].rusage.ru_stime.tv_sec * 1000000ULL + statsd.collection_threads_status[i].rusage.ru_stime.tv_usec); + rrdset_done(statsd.collection_threads_status[i].st_cpu); + } + } - pthread_exit(NULL); +cleanup: ; // added semi-colon to prevent older gcc error: label at end of compound statement + netdata_thread_cleanup_pop(1); return NULL; } |