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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:22:31 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:22:31 +0000 |
commit | 8d4f58e49b9dc7d3545651023a36729de773ad86 (patch) | |
tree | 7bc7be4a8e9e298daa1349348400aa2a653866f2 /web/api/formatters/value/value.c | |
parent | Initial commit. (diff) | |
download | netdata-upstream.tar.xz netdata-upstream.zip |
Adding upstream version 1.12.0.upstream/1.12.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | web/api/formatters/value/value.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/web/api/formatters/value/value.c b/web/api/formatters/value/value.c new file mode 100644 index 0000000..aea6c16 --- /dev/null +++ b/web/api/formatters/value/value.c @@ -0,0 +1,94 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#include "value.h" + + +inline calculated_number rrdr2value(RRDR *r, long i, RRDR_OPTIONS options, int *all_values_are_null) { + rrdset_check_rdlock(r->st); + + long c; + RRDDIM *d; + + calculated_number *cn = &r->v[ i * r->d ]; + RRDR_VALUE_FLAGS *co = &r->o[ i * r->d ]; + + calculated_number sum = 0, min = 0, max = 0, v; + int all_null = 1, init = 1; + + calculated_number total = 1; + int set_min_max = 0; + if(unlikely(options & RRDR_OPTION_PERCENTAGE)) { + total = 0; + for(c = 0, d = r->st->dimensions; d && c < r->d ;c++, d = d->next) { + calculated_number n = cn[c]; + + if(likely((options & RRDR_OPTION_ABSOLUTE) && n < 0)) + n = -n; + + total += n; + } + // prevent a division by zero + if(total == 0) total = 1; + set_min_max = 1; + } + + // for each dimension + for(c = 0, d = r->st->dimensions; d && c < r->d ;c++, d = d->next) { + if(unlikely(r->od[c] & RRDR_DIMENSION_HIDDEN)) continue; + if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_DIMENSION_NONZERO))) continue; + + calculated_number n = cn[c]; + + if(likely((options & RRDR_OPTION_ABSOLUTE) && n < 0)) + n = -n; + + if(unlikely(options & RRDR_OPTION_PERCENTAGE)) { + n = n * 100 / total; + + if(unlikely(set_min_max)) { + r->min = r->max = n; + set_min_max = 0; + } + + if(n < r->min) r->min = n; + if(n > r->max) r->max = n; + } + + if(unlikely(init)) { + if(n > 0) { + min = 0; + max = n; + } + else { + min = n; + max = 0; + } + init = 0; + } + + if(likely(!(co[c] & RRDR_VALUE_EMPTY))) { + all_null = 0; + sum += n; + } + + if(n < min) min = n; + if(n > max) max = n; + } + + if(unlikely(all_null)) { + if(likely(all_values_are_null)) + *all_values_are_null = 1; + return 0; + } + else { + if(likely(all_values_are_null)) + *all_values_are_null = 0; + } + + if(options & RRDR_OPTION_MIN2MAX) + v = max - min; + else + v = sum; + + return v; +} |