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authorSergey Polovko <sergey@polovko.me>2022-02-10 16:47:03 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:47:03 +0300
commit2e714b5ebd40a1f4cc31c27f1ad6e49ca6d895f5 (patch)
treeb83306b6e37edeea782e9eed673d89286c4fef35 /library/cpp/monlib/metrics/histogram_collector_exponential.cpp
parent3e0b762a82514bac89c1dd6ea7211e381d8aa248 (diff)
downloadydb-2e714b5ebd40a1f4cc31c27f1ad6e49ca6d895f5.tar.gz
Restoring authorship annotation for Sergey Polovko <sergey@polovko.me>. Commit 2 of 2.
Diffstat (limited to 'library/cpp/monlib/metrics/histogram_collector_exponential.cpp')
-rw-r--r--library/cpp/monlib/metrics/histogram_collector_exponential.cpp114
1 files changed, 57 insertions, 57 deletions
diff --git a/library/cpp/monlib/metrics/histogram_collector_exponential.cpp b/library/cpp/monlib/metrics/histogram_collector_exponential.cpp
index a6b929e8f3..2f8a50a5f9 100644
--- a/library/cpp/monlib/metrics/histogram_collector_exponential.cpp
+++ b/library/cpp/monlib/metrics/histogram_collector_exponential.cpp
@@ -1,68 +1,68 @@
-#include "histogram_collector.h"
-#include "atomics_array.h"
-
-#include <util/generic/algorithm.h>
-#include <util/generic/vector.h>
-#include <util/generic/yexception.h>
-#include <util/generic/ylimits.h>
-
-namespace NMonitoring {
- ///////////////////////////////////////////////////////////////////////////
- // TExponentialHistogramCollector
- ///////////////////////////////////////////////////////////////////////////
- class TExponentialHistogramCollector: public IHistogramCollector {
- public:
- TExponentialHistogramCollector(ui32 bucketsCount, double base, double scale)
- : Values_(bucketsCount)
- , Base_(base)
- , Scale_(scale)
+#include "histogram_collector.h"
+#include "atomics_array.h"
+
+#include <util/generic/algorithm.h>
+#include <util/generic/vector.h>
+#include <util/generic/yexception.h>
+#include <util/generic/ylimits.h>
+
+namespace NMonitoring {
+ ///////////////////////////////////////////////////////////////////////////
+ // TExponentialHistogramCollector
+ ///////////////////////////////////////////////////////////////////////////
+ class TExponentialHistogramCollector: public IHistogramCollector {
+ public:
+ TExponentialHistogramCollector(ui32 bucketsCount, double base, double scale)
+ : Values_(bucketsCount)
+ , Base_(base)
+ , Scale_(scale)
, MinValue_(scale)
, MaxValue_(scale * std::pow(base, bucketsCount - 2))
- , LogOfBase_(std::log(base))
- {
- }
-
+ , LogOfBase_(std::log(base))
+ {
+ }
+
void Collect(double value, ui32 count) override {
- ui32 index = Max<ui32>();
- if (value <= MinValue_) {
- index = 0;
- } else if (value > MaxValue_) {
- index = Values_.Size() - 1;
- } else {
- double logBase = std::log(value / Scale_) / LogOfBase_;
- index = static_cast<ui32>(std::ceil(logBase));
- }
- Values_.Add(index, count);
- }
-
+ ui32 index = Max<ui32>();
+ if (value <= MinValue_) {
+ index = 0;
+ } else if (value > MaxValue_) {
+ index = Values_.Size() - 1;
+ } else {
+ double logBase = std::log(value / Scale_) / LogOfBase_;
+ index = static_cast<ui32>(std::ceil(logBase));
+ }
+ Values_.Add(index, count);
+ }
+
void Reset() override {
Values_.Reset();
}
- IHistogramSnapshotPtr Snapshot() const override {
- return new TExponentialHistogramSnapshot(Base_, Scale_, Values_.Copy());
- }
-
- private:
- TAtomicsArray Values_;
- double Base_;
- double Scale_;
+ IHistogramSnapshotPtr Snapshot() const override {
+ return new TExponentialHistogramSnapshot(Base_, Scale_, Values_.Copy());
+ }
+
+ private:
+ TAtomicsArray Values_;
+ double Base_;
+ double Scale_;
TBucketBound MinValue_;
TBucketBound MaxValue_;
- double LogOfBase_;
- };
-
- IHistogramCollectorPtr ExponentialHistogram(
- ui32 bucketsCount, double base, double scale)
- {
- Y_ENSURE(bucketsCount >= 2,
- "exponential histogram must contain at least two buckets");
+ double LogOfBase_;
+ };
+
+ IHistogramCollectorPtr ExponentialHistogram(
+ ui32 bucketsCount, double base, double scale)
+ {
+ Y_ENSURE(bucketsCount >= 2,
+ "exponential histogram must contain at least two buckets");
Y_ENSURE(bucketsCount <= HISTOGRAM_MAX_BUCKETS_COUNT,
"buckets count must be <=" << HISTOGRAM_MAX_BUCKETS_COUNT
- << ", but got: " << bucketsCount);
- Y_ENSURE(base > 1.0, "base must be > 1.0, got: " << base);
- Y_ENSURE(scale >= 1.0, "scale must be >= 1.0, got: " << scale);
-
- return MakeHolder<TExponentialHistogramCollector>(bucketsCount, base, scale);
- }
-}
+ << ", but got: " << bucketsCount);
+ Y_ENSURE(base > 1.0, "base must be > 1.0, got: " << base);
+ Y_ENSURE(scale >= 1.0, "scale must be >= 1.0, got: " << scale);
+
+ return MakeHolder<TExponentialHistogramCollector>(bucketsCount, base, scale);
+ }
+}