diff options
Diffstat (limited to 'web/api/queries/min')
-rw-r--r-- | web/api/queries/min/Makefile.am | 8 | ||||
-rw-r--r-- | web/api/queries/min/README.md | 42 | ||||
-rw-r--r-- | web/api/queries/min/min.c | 7 | ||||
-rw-r--r-- | web/api/queries/min/min.h | 59 |
4 files changed, 0 insertions, 116 deletions
diff --git a/web/api/queries/min/Makefile.am b/web/api/queries/min/Makefile.am deleted file mode 100644 index 161784b8..00000000 --- a/web/api/queries/min/Makefile.am +++ /dev/null @@ -1,8 +0,0 @@ -# SPDX-License-Identifier: GPL-3.0-or-later - -AUTOMAKE_OPTIONS = subdir-objects -MAINTAINERCLEANFILES = $(srcdir)/Makefile.in - -dist_noinst_DATA = \ - README.md \ - $(NULL) diff --git a/web/api/queries/min/README.md b/web/api/queries/min/README.md deleted file mode 100644 index 67f3326e..00000000 --- a/web/api/queries/min/README.md +++ /dev/null @@ -1,42 +0,0 @@ -<!-- -title: "Min" -sidebar_label: "Min" -custom_edit_url: https://github.com/netdata/netdata/edit/master/web/api/queries/min/README.md -learn_status: "Published" -learn_topic_type: "References" -learn_rel_path: "Developers/Web/Api/Queries" ---> - -# Min - -This module finds the min value in the time-frame given. - -## how to use - -Use it in alerts like this: - -``` - alarm: my_alert - on: my_chart -lookup: min -1m unaligned of my_dimension - warn: $this > 1000 -``` - -`min` does not change the units. For example, if the chart units is `requests/sec`, the result -will be again expressed in the same units. - -It can also be used in APIs and badges as `&group=min` in the URL. - -## Examples - -Examining last 1 minute `successful` web server responses: - -- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=min&after=-60&label=min&value_color=orange) -- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=average&after=-60&label=average) -- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=max&after=-60&label=max) - -## References - -- <https://en.wikipedia.org/wiki/Sample_maximum_and_minimum>. - - diff --git a/web/api/queries/min/min.c b/web/api/queries/min/min.c deleted file mode 100644 index cefa7cf3..00000000 --- a/web/api/queries/min/min.c +++ /dev/null @@ -1,7 +0,0 @@ -// SPDX-License-Identifier: GPL-3.0-or-later - -#include "min.h" - -// ---------------------------------------------------------------------------- -// min - diff --git a/web/api/queries/min/min.h b/web/api/queries/min/min.h deleted file mode 100644 index 3c53dfd1..00000000 --- a/web/api/queries/min/min.h +++ /dev/null @@ -1,59 +0,0 @@ -// SPDX-License-Identifier: GPL-3.0-or-later - -#ifndef NETDATA_API_QUERY_MIN_H -#define NETDATA_API_QUERY_MIN_H - -#include "../query.h" -#include "../rrdr.h" - -struct tg_min { - NETDATA_DOUBLE min; - size_t count; -}; - -static inline void tg_min_create(RRDR *r, const char *options __maybe_unused) { - r->time_grouping.data = onewayalloc_callocz(r->internal.owa, 1, sizeof(struct tg_min)); -} - -// resets when switches dimensions -// so, clear everything to restart -static inline void tg_min_reset(RRDR *r) { - struct tg_min *g = (struct tg_min *)r->time_grouping.data; - g->min = 0; - g->count = 0; -} - -static inline void tg_min_free(RRDR *r) { - onewayalloc_freez(r->internal.owa, r->time_grouping.data); - r->time_grouping.data = NULL; -} - -static inline void tg_min_add(RRDR *r, NETDATA_DOUBLE value) { - struct tg_min *g = (struct tg_min *)r->time_grouping.data; - - if(!g->count || fabsndd(value) < fabsndd(g->min)) { - g->min = value; - g->count++; - } -} - -static inline NETDATA_DOUBLE tg_min_flush(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr) { - struct tg_min *g = (struct tg_min *)r->time_grouping.data; - - NETDATA_DOUBLE value; - - if(unlikely(!g->count)) { - value = 0.0; - *rrdr_value_options_ptr |= RRDR_VALUE_EMPTY; - } - else { - value = g->min; - } - - g->min = 0.0; - g->count = 0; - - return value; -} - -#endif //NETDATA_API_QUERY_MIN_H |