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authorDaniel Baumann <daniel.baumann@progress-linux.org>2023-05-08 16:27:08 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2023-05-08 16:27:08 +0000
commit81581f9719bc56f01d5aa08952671d65fda9867a (patch)
tree0f5c6b6138bf169c23c9d24b1fc0a3521385cb18 /web/api/queries/median/median.c
parentReleasing debian version 1.38.1-1. (diff)
downloadnetdata-81581f9719bc56f01d5aa08952671d65fda9867a.tar.xz
netdata-81581f9719bc56f01d5aa08952671d65fda9867a.zip
Merging upstream version 1.39.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'web/api/queries/median/median.c')
-rw-r--r--web/api/queries/median/median.c134
1 files changed, 0 insertions, 134 deletions
diff --git a/web/api/queries/median/median.c b/web/api/queries/median/median.c
index 40fd4ec3..9865b485 100644
--- a/web/api/queries/median/median.c
+++ b/web/api/queries/median/median.c
@@ -4,137 +4,3 @@
// ----------------------------------------------------------------------------
// median
-
-struct grouping_median {
- size_t series_size;
- size_t next_pos;
- NETDATA_DOUBLE percent;
-
- NETDATA_DOUBLE *series;
-};
-
-void grouping_create_median_internal(RRDR *r, const char *options, NETDATA_DOUBLE def) {
- long entries = r->group;
- if(entries < 10) entries = 10;
-
- struct grouping_median *g = (struct grouping_median *)onewayalloc_callocz(r->internal.owa, 1, sizeof(struct grouping_median));
- g->series = onewayalloc_mallocz(r->internal.owa, entries * sizeof(NETDATA_DOUBLE));
- g->series_size = (size_t)entries;
-
- g->percent = def;
- if(options && *options) {
- g->percent = str2ndd(options, NULL);
- if(!netdata_double_isnumber(g->percent)) g->percent = 0.0;
- if(g->percent < 0.0) g->percent = 0.0;
- if(g->percent > 50.0) g->percent = 50.0;
- }
-
- g->percent = g->percent / 100.0;
- r->internal.grouping_data = g;
-}
-
-void grouping_create_median(RRDR *r, const char *options) {
- grouping_create_median_internal(r, options, 0.0);
-}
-void grouping_create_trimmed_median1(RRDR *r, const char *options) {
- grouping_create_median_internal(r, options, 1.0);
-}
-void grouping_create_trimmed_median2(RRDR *r, const char *options) {
- grouping_create_median_internal(r, options, 2.0);
-}
-void grouping_create_trimmed_median3(RRDR *r, const char *options) {
- grouping_create_median_internal(r, options, 3.0);
-}
-void grouping_create_trimmed_median5(RRDR *r, const char *options) {
- grouping_create_median_internal(r, options, 5.0);
-}
-void grouping_create_trimmed_median10(RRDR *r, const char *options) {
- grouping_create_median_internal(r, options, 10.0);
-}
-void grouping_create_trimmed_median15(RRDR *r, const char *options) {
- grouping_create_median_internal(r, options, 15.0);
-}
-void grouping_create_trimmed_median20(RRDR *r, const char *options) {
- grouping_create_median_internal(r, options, 20.0);
-}
-void grouping_create_trimmed_median25(RRDR *r, const char *options) {
- grouping_create_median_internal(r, options, 25.0);
-}
-
-// resets when switches dimensions
-// so, clear everything to restart
-void grouping_reset_median(RRDR *r) {
- struct grouping_median *g = (struct grouping_median *)r->internal.grouping_data;
- g->next_pos = 0;
-}
-
-void grouping_free_median(RRDR *r) {
- struct grouping_median *g = (struct grouping_median *)r->internal.grouping_data;
- if(g) onewayalloc_freez(r->internal.owa, g->series);
-
- onewayalloc_freez(r->internal.owa, r->internal.grouping_data);
- r->internal.grouping_data = NULL;
-}
-
-void grouping_add_median(RRDR *r, NETDATA_DOUBLE value) {
- struct grouping_median *g = (struct grouping_median *)r->internal.grouping_data;
-
- if(unlikely(g->next_pos >= g->series_size)) {
- g->series = onewayalloc_doublesize( r->internal.owa, g->series, g->series_size * sizeof(NETDATA_DOUBLE));
- g->series_size *= 2;
- }
-
- g->series[g->next_pos++] = value;
-}
-
-NETDATA_DOUBLE grouping_flush_median(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr) {
- struct grouping_median *g = (struct grouping_median *)r->internal.grouping_data;
-
- size_t available_slots = g->next_pos;
- NETDATA_DOUBLE value;
-
- if(unlikely(!available_slots)) {
- value = 0.0;
- *rrdr_value_options_ptr |= RRDR_VALUE_EMPTY;
- }
- else if(available_slots == 1) {
- value = g->series[0];
- }
- else {
- sort_series(g->series, available_slots);
-
- size_t start_slot = 0;
- size_t end_slot = available_slots - 1;
-
- if(g->percent > 0.0) {
- NETDATA_DOUBLE min = g->series[0];
- NETDATA_DOUBLE max = g->series[available_slots - 1];
- NETDATA_DOUBLE delta = (max - min) * g->percent;
-
- NETDATA_DOUBLE wanted_min = min + delta;
- NETDATA_DOUBLE wanted_max = max - delta;
-
- for (start_slot = 0; start_slot < available_slots; start_slot++)
- if (g->series[start_slot] >= wanted_min) break;
-
- for (end_slot = available_slots - 1; end_slot > start_slot; end_slot--)
- if (g->series[end_slot] <= wanted_max) break;
- }
-
- if(start_slot == end_slot)
- value = g->series[start_slot];
- else
- value = median_on_sorted_series(&g->series[start_slot], end_slot - start_slot + 1);
- }
-
- if(unlikely(!netdata_double_isnumber(value))) {
- value = 0.0;
- *rrdr_value_options_ptr |= RRDR_VALUE_EMPTY;
- }
-
- //log_series_to_stderr(g->series, g->next_pos, value, "median");
-
- g->next_pos = 0;
-
- return value;
-}