From a836a244a3d2bdd4da1ee2641e3e957850668cea Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 8 May 2023 18:27:04 +0200 Subject: Adding upstream version 1.39.0. Signed-off-by: Daniel Baumann --- web/api/queries/percentile/README.md | 4 + web/api/queries/percentile/percentile.c | 163 ----------------------------- web/api/queries/percentile/percentile.h | 175 +++++++++++++++++++++++++++++--- 3 files changed, 166 insertions(+), 176 deletions(-) (limited to 'web/api/queries/percentile') diff --git a/web/api/queries/percentile/README.md b/web/api/queries/percentile/README.md index 70afc7420..19ec81ed6 100644 --- a/web/api/queries/percentile/README.md +++ b/web/api/queries/percentile/README.md @@ -1,7 +1,11 @@ # Percentile diff --git a/web/api/queries/percentile/percentile.c b/web/api/queries/percentile/percentile.c index 88f8600dd..da3b32696 100644 --- a/web/api/queries/percentile/percentile.c +++ b/web/api/queries/percentile/percentile.c @@ -4,166 +4,3 @@ // ---------------------------------------------------------------------------- // median - -struct grouping_percentile { - size_t series_size; - size_t next_pos; - NETDATA_DOUBLE percent; - - NETDATA_DOUBLE *series; -}; - -static void grouping_create_percentile_internal(RRDR *r, const char *options, NETDATA_DOUBLE def) { - long entries = r->group; - if(entries < 10) entries = 10; - - struct grouping_percentile *g = (struct grouping_percentile *)onewayalloc_callocz(r->internal.owa, 1, sizeof(struct grouping_percentile)); - 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 > 100.0) g->percent = 100.0; - } - - g->percent = g->percent / 100.0; - r->internal.grouping_data = g; -} - -void grouping_create_percentile25(RRDR *r, const char *options) { - grouping_create_percentile_internal(r, options, 25.0); -} -void grouping_create_percentile50(RRDR *r, const char *options) { - grouping_create_percentile_internal(r, options, 50.0); -} -void grouping_create_percentile75(RRDR *r, const char *options) { - grouping_create_percentile_internal(r, options, 75.0); -} -void grouping_create_percentile80(RRDR *r, const char *options) { - grouping_create_percentile_internal(r, options, 80.0); -} -void grouping_create_percentile90(RRDR *r, const char *options) { - grouping_create_percentile_internal(r, options, 90.0); -} -void grouping_create_percentile95(RRDR *r, const char *options) { - grouping_create_percentile_internal(r, options, 95.0); -} -void grouping_create_percentile97(RRDR *r, const char *options) { - grouping_create_percentile_internal(r, options, 97.0); -} -void grouping_create_percentile98(RRDR *r, const char *options) { - grouping_create_percentile_internal(r, options, 98.0); -} -void grouping_create_percentile99(RRDR *r, const char *options) { - grouping_create_percentile_internal(r, options, 99.0); -} - -// resets when switches dimensions -// so, clear everything to restart -void grouping_reset_percentile(RRDR *r) { - struct grouping_percentile *g = (struct grouping_percentile *)r->internal.grouping_data; - g->next_pos = 0; -} - -void grouping_free_percentile(RRDR *r) { - struct grouping_percentile *g = (struct grouping_percentile *)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_percentile(RRDR *r, NETDATA_DOUBLE value) { - struct grouping_percentile *g = (struct grouping_percentile *)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_percentile(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr) { - struct grouping_percentile *g = (struct grouping_percentile *)r->internal.grouping_data; - - NETDATA_DOUBLE value; - size_t available_slots = g->next_pos; - - 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); - - NETDATA_DOUBLE min = g->series[0]; - NETDATA_DOUBLE max = g->series[available_slots - 1]; - - if (min != max) { - size_t slots_to_use = (size_t)((NETDATA_DOUBLE)available_slots * g->percent); - if(!slots_to_use) slots_to_use = 1; - - NETDATA_DOUBLE percent_to_use = (NETDATA_DOUBLE)slots_to_use / (NETDATA_DOUBLE)available_slots; - NETDATA_DOUBLE percent_delta = g->percent - percent_to_use; - - NETDATA_DOUBLE percent_interpolation_slot = 0.0; - NETDATA_DOUBLE percent_last_slot = 0.0; - if(percent_delta > 0.0) { - NETDATA_DOUBLE percent_to_use_plus_1_slot = (NETDATA_DOUBLE)(slots_to_use + 1) / (NETDATA_DOUBLE)available_slots; - NETDATA_DOUBLE percent_1slot = percent_to_use_plus_1_slot - percent_to_use; - - percent_interpolation_slot = percent_delta / percent_1slot; - percent_last_slot = 1 - percent_interpolation_slot; - } - - int start_slot, stop_slot, step, last_slot, interpolation_slot; - if(min >= 0.0 && max >= 0.0) { - start_slot = 0; - stop_slot = start_slot + (int)slots_to_use; - last_slot = stop_slot - 1; - interpolation_slot = stop_slot; - step = 1; - } - else { - start_slot = (int)available_slots - 1; - stop_slot = start_slot - (int)slots_to_use; - last_slot = stop_slot + 1; - interpolation_slot = stop_slot; - step = -1; - } - - value = 0.0; - for(int slot = start_slot; slot != stop_slot ; slot += step) - value += g->series[slot]; - - size_t counted = slots_to_use; - if(percent_interpolation_slot > 0.0 && interpolation_slot >= 0 && interpolation_slot < (int)available_slots) { - value += g->series[interpolation_slot] * percent_interpolation_slot; - value += g->series[last_slot] * percent_last_slot; - counted++; - } - - value = value / (NETDATA_DOUBLE)counted; - } - else - value = min; - } - - 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, "percentile"); - - g->next_pos = 0; - - return value; -} diff --git a/web/api/queries/percentile/percentile.h b/web/api/queries/percentile/percentile.h index 65e335c11..0532f9d3f 100644 --- a/web/api/queries/percentile/percentile.h +++ b/web/api/queries/percentile/percentile.h @@ -6,18 +6,167 @@ #include "../query.h" #include "../rrdr.h" -void grouping_create_percentile25(RRDR *r, const char *options); -void grouping_create_percentile50(RRDR *r, const char *options); -void grouping_create_percentile75(RRDR *r, const char *options); -void grouping_create_percentile80(RRDR *r, const char *options); -void grouping_create_percentile90(RRDR *r, const char *options); -void grouping_create_percentile95(RRDR *r, const char *options); -void grouping_create_percentile97(RRDR *r, const char *options); -void grouping_create_percentile98(RRDR *r, const char *options); -void grouping_create_percentile99(RRDR *r, const char *options ); -void grouping_reset_percentile(RRDR *r); -void grouping_free_percentile(RRDR *r); -void grouping_add_percentile(RRDR *r, NETDATA_DOUBLE value); -NETDATA_DOUBLE grouping_flush_percentile(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr); +struct tg_percentile { + size_t series_size; + size_t next_pos; + NETDATA_DOUBLE percent; + + NETDATA_DOUBLE *series; +}; + +static inline void tg_percentile_create_internal(RRDR *r, const char *options, NETDATA_DOUBLE def) { + long entries = r->view.group; + if(entries < 10) entries = 10; + + struct tg_percentile *g = (struct tg_percentile *)onewayalloc_callocz(r->internal.owa, 1, sizeof(struct tg_percentile)); + 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 > 100.0) g->percent = 100.0; + } + + g->percent = g->percent / 100.0; + r->time_grouping.data = g; +} + +static inline void tg_percentile_create_25(RRDR *r, const char *options) { + tg_percentile_create_internal(r, options, 25.0); +} +static inline void tg_percentile_create_50(RRDR *r, const char *options) { + tg_percentile_create_internal(r, options, 50.0); +} +static inline void tg_percentile_create_75(RRDR *r, const char *options) { + tg_percentile_create_internal(r, options, 75.0); +} +static inline void tg_percentile_create_80(RRDR *r, const char *options) { + tg_percentile_create_internal(r, options, 80.0); +} +static inline void tg_percentile_create_90(RRDR *r, const char *options) { + tg_percentile_create_internal(r, options, 90.0); +} +static inline void tg_percentile_create_95(RRDR *r, const char *options) { + tg_percentile_create_internal(r, options, 95.0); +} +static inline void tg_percentile_create_97(RRDR *r, const char *options) { + tg_percentile_create_internal(r, options, 97.0); +} +static inline void tg_percentile_create_98(RRDR *r, const char *options) { + tg_percentile_create_internal(r, options, 98.0); +} +static inline void tg_percentile_create_99(RRDR *r, const char *options) { + tg_percentile_create_internal(r, options, 99.0); +} + +// resets when switches dimensions +// so, clear everything to restart +static inline void tg_percentile_reset(RRDR *r) { + struct tg_percentile *g = (struct tg_percentile *)r->time_grouping.data; + g->next_pos = 0; +} + +static inline void tg_percentile_free(RRDR *r) { + struct tg_percentile *g = (struct tg_percentile *)r->time_grouping.data; + if(g) onewayalloc_freez(r->internal.owa, g->series); + + onewayalloc_freez(r->internal.owa, r->time_grouping.data); + r->time_grouping.data = NULL; +} + +static inline void tg_percentile_add(RRDR *r, NETDATA_DOUBLE value) { + struct tg_percentile *g = (struct tg_percentile *)r->time_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; +} + +static inline NETDATA_DOUBLE tg_percentile_flush(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr) { + struct tg_percentile *g = (struct tg_percentile *)r->time_grouping.data; + + NETDATA_DOUBLE value; + size_t available_slots = g->next_pos; + + 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); + + NETDATA_DOUBLE min = g->series[0]; + NETDATA_DOUBLE max = g->series[available_slots - 1]; + + if (min != max) { + size_t slots_to_use = (size_t)((NETDATA_DOUBLE)available_slots * g->percent); + if(!slots_to_use) slots_to_use = 1; + + NETDATA_DOUBLE percent_to_use = (NETDATA_DOUBLE)slots_to_use / (NETDATA_DOUBLE)available_slots; + NETDATA_DOUBLE percent_delta = g->percent - percent_to_use; + + NETDATA_DOUBLE percent_interpolation_slot = 0.0; + NETDATA_DOUBLE percent_last_slot = 0.0; + if(percent_delta > 0.0) { + NETDATA_DOUBLE percent_to_use_plus_1_slot = (NETDATA_DOUBLE)(slots_to_use + 1) / (NETDATA_DOUBLE)available_slots; + NETDATA_DOUBLE percent_1slot = percent_to_use_plus_1_slot - percent_to_use; + + percent_interpolation_slot = percent_delta / percent_1slot; + percent_last_slot = 1 - percent_interpolation_slot; + } + + int start_slot, stop_slot, step, last_slot, interpolation_slot; + if(min >= 0.0 && max >= 0.0) { + start_slot = 0; + stop_slot = start_slot + (int)slots_to_use; + last_slot = stop_slot - 1; + interpolation_slot = stop_slot; + step = 1; + } + else { + start_slot = (int)available_slots - 1; + stop_slot = start_slot - (int)slots_to_use; + last_slot = stop_slot + 1; + interpolation_slot = stop_slot; + step = -1; + } + + value = 0.0; + for(int slot = start_slot; slot != stop_slot ; slot += step) + value += g->series[slot]; + + size_t counted = slots_to_use; + if(percent_interpolation_slot > 0.0 && interpolation_slot >= 0 && interpolation_slot < (int)available_slots) { + value += g->series[interpolation_slot] * percent_interpolation_slot; + value += g->series[last_slot] * percent_last_slot; + counted++; + } + + value = value / (NETDATA_DOUBLE)counted; + } + else + value = min; + } + + 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, "percentile"); + + g->next_pos = 0; + + return value; +} #endif //NETDATA_API_QUERIES_PERCENTILE_H -- cgit v1.2.3