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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-07-24 09:54:23 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-07-24 09:54:44 +0000 |
commit | 836b47cb7e99a977c5a23b059ca1d0b5065d310e (patch) | |
tree | 1604da8f482d02effa033c94a84be42bc0c848c3 /web/api/queries/average | |
parent | Releasing debian version 1.44.3-2. (diff) | |
download | netdata-836b47cb7e99a977c5a23b059ca1d0b5065d310e.tar.xz netdata-836b47cb7e99a977c5a23b059ca1d0b5065d310e.zip |
Merging upstream version 1.46.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'web/api/queries/average')
-rw-r--r-- | web/api/queries/average/Makefile.am | 8 | ||||
-rw-r--r-- | web/api/queries/average/README.md | 50 | ||||
-rw-r--r-- | web/api/queries/average/average.c | 4 | ||||
-rw-r--r-- | web/api/queries/average/average.h | 62 |
4 files changed, 0 insertions, 124 deletions
diff --git a/web/api/queries/average/Makefile.am b/web/api/queries/average/Makefile.am deleted file mode 100644 index 161784b8f..000000000 --- a/web/api/queries/average/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/average/README.md b/web/api/queries/average/README.md deleted file mode 100644 index 3a9c53934..000000000 --- a/web/api/queries/average/README.md +++ /dev/null @@ -1,50 +0,0 @@ -<!-- -title: "Average or Mean" -sidebar_label: "Average or Mean" -custom_edit_url: https://github.com/netdata/netdata/edit/master/web/api/queries/average/README.md -learn_status: "Published" -learn_topic_type: "References" -learn_rel_path: "Developers/Web/Api/Queries" ---> - -# Average or Mean - -> This query is available as `average` and `mean`. - -An average is a single number taken as representative of a list of numbers. - -It is calculated as: - -``` -average = sum(numbers) / count(numbers) -``` - -## how to use - -Use it in alerts like this: - -``` - alarm: my_alert - on: my_chart -lookup: average -1m unaligned of my_dimension - warn: $this > 1000 -``` - -`average` 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=average` 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) -- ![](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&value_color=orange) -- ![](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/Average>. - - diff --git a/web/api/queries/average/average.c b/web/api/queries/average/average.c deleted file mode 100644 index f54dcb243..000000000 --- a/web/api/queries/average/average.c +++ /dev/null @@ -1,4 +0,0 @@ -// SPDX-License-Identifier: GPL-3.0-or-later - -#include "average.h" - diff --git a/web/api/queries/average/average.h b/web/api/queries/average/average.h deleted file mode 100644 index 2d77cc571..000000000 --- a/web/api/queries/average/average.h +++ /dev/null @@ -1,62 +0,0 @@ -// SPDX-License-Identifier: GPL-3.0-or-later - -#ifndef NETDATA_API_QUERY_AVERAGE_H -#define NETDATA_API_QUERY_AVERAGE_H - -#include "../query.h" -#include "../rrdr.h" - -// ---------------------------------------------------------------------------- -// average - -struct tg_average { - NETDATA_DOUBLE sum; - size_t count; -}; - -static inline void tg_average_create(RRDR *r, const char *options __maybe_unused) { - r->time_grouping.data = onewayalloc_callocz(r->internal.owa, 1, sizeof(struct tg_average)); -} - -// resets when switches dimensions -// so, clear everything to restart -static inline void tg_average_reset(RRDR *r) { - struct tg_average *g = (struct tg_average *)r->time_grouping.data; - g->sum = 0; - g->count = 0; -} - -static inline void tg_average_free(RRDR *r) { - onewayalloc_freez(r->internal.owa, r->time_grouping.data); - r->time_grouping.data = NULL; -} - -static inline void tg_average_add(RRDR *r, NETDATA_DOUBLE value) { - struct tg_average *g = (struct tg_average *)r->time_grouping.data; - g->sum += value; - g->count++; -} - -static inline NETDATA_DOUBLE tg_average_flush(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr) { - struct tg_average *g = (struct tg_average *)r->time_grouping.data; - - NETDATA_DOUBLE value; - - if(unlikely(!g->count)) { - value = 0.0; - *rrdr_value_options_ptr |= RRDR_VALUE_EMPTY; - } - else { - if(unlikely(r->time_grouping.resampling_group != 1)) - value = g->sum / r->time_grouping.resampling_divisor; - else - value = g->sum / g->count; - } - - g->sum = 0.0; - g->count = 0; - - return value; -} - -#endif //NETDATA_API_QUERY_AVERAGE_H |