1 files changed, 0 insertions, 165 deletions
diff --git a/src/node/performance/histogram.js b/src/node/performance/histogram.js
deleted file mode 100644
index a03f2c13a2..0000000000
--- a/src/node/performance/histogram.js
+++ /dev/null
@@ -1,165 +0,0 @@
-/*
- *
- * Copyright 2015 gRPC authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-/**
- * Histogram module. Exports the Histogram class
- * @module
- */
-
-'use strict';
-
-/**
- * Histogram class. Collects data and exposes a histogram and other statistics.
- * This data structure is taken directly from src/core/support/histogram.c, but
- * pared down to the statistics needed for client stats in
- * test/proto/benchmarks/stats.proto.
- * @constructor
- * @param {number} resolution The histogram's bucket resolution. Must be positive
- * @param {number} max_possible The maximum allowed value. Must be greater than 1
- */
-function Histogram(resolution, max_possible) {
-  this.resolution = resolution;
-  this.max_possible = max_possible;
-
-  this.sum = 0;
-  this.sum_of_squares = 0;
-  this.multiplier = 1 + resolution;
-  this.count = 0;
-  this.min_seen = max_possible;
-  this.max_seen = 0;
-  this.buckets = [];
-  for (var i = 0; i < this.bucketFor(max_possible) + 1; i++) {
-    this.buckets[i] = 0;
-  }
-}
-
-/**
- * Get the bucket index for a given value.
- * @param {number} value The value to check
- * @return {number} The bucket index
- */
-Histogram.prototype.bucketFor = function(value) {
-  return Math.floor(Math.log(value) / Math.log(this.multiplier));
-};
-
-/**
- * Get the minimum value for a given bucket index
- * @param {number} The bucket index to check
- * @return {number} The minimum value for that bucket
- */
-Histogram.prototype.bucketStart = function(index) {
-  return Math.pow(this.multiplier, index);
-};
-
-/**
- * Add a value to the histogram. This updates all statistics with the new
- * value. Those statistics should not be modified except with this function
- * @param {number} value The value to add
- */
-Histogram.prototype.add = function(value) {
-  // Ensure value is a number
-  value = +value;
-  this.sum += value;
-  this.sum_of_squares += value * value;
-  this.count++;
-  if (value < this.min_seen) {
-    this.min_seen = value;
-  }
-  if (value > this.max_seen) {
-    this.max_seen = value;
-  }
-  this.buckets[this.bucketFor(value)]++;
-};
-
-/**
- * Get the mean of all added values
- * @return {number} The mean
- */
-Histogram.prototype.mean = function() {
-  return this.sum / this.count;
-};
-
-/**
- * Get the variance of all added values. Used to calulate the standard deviation
- * @return {number} The variance
- */
-Histogram.prototype.variance = function() {
-  if (this.count == 0) {
-    return 0;
-  }
-  return (this.sum_of_squares * this.count - this.sum * this.sum) /
-      (this.count * this.count);
-};
-
-/**
- * Get the standard deviation of all added values
- * @return {number} The standard deviation
- */
-Histogram.prototype.stddev = function() {
-  return Math.sqrt(this.variance);
-};
-
-/**
- * Get the maximum among all added values
- * @return {number} The maximum
- */
-Histogram.prototype.maximum = function() {
-  return this.max_seen;
-};
-
-/**
- * Get the minimum among all added values
- * @return {number} The minimum
- */
-Histogram.prototype.minimum = function() {
-  return this.min_seen;
-};
-
-/**
- * Get the number of all added values
- * @return {number} The count
- */
-Histogram.prototype.getCount = function() {
-  return this.count;
-};
-
-/**
- * Get the sum of all added values
- * @return {number} The sum
- */
-Histogram.prototype.getSum = function() {
-  return this.sum;
-};
-
-/**
- * Get the sum of squares of all added values
- * @return {number} The sum of squares
- */
-Histogram.prototype.sumOfSquares = function() {
-  return this.sum_of_squares;
-};
-
-/**
- * Get the raw histogram as a list of bucket sizes
- * @return {Array.<number>} The buckets
- */
-Histogram.prototype.getContents = function() {
-  return this.buckets;
-};
-
-module.exports = Histogram;