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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2023-05-08 16:27:08 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2023-05-08 16:27:08 +0000 |
commit | 81581f9719bc56f01d5aa08952671d65fda9867a (patch) | |
tree | 0f5c6b6138bf169c23c9d24b1fc0a3521385cb18 /web/api/queries/median/median.c | |
parent | Releasing debian version 1.38.1-1. (diff) | |
download | netdata-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.c | 134 |
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; -} |