NET-Web-API-w-Angular/my-app/node_modules/hdr-histogram-percentiles-obj/index.js

84 lines
1.6 KiB
JavaScript
Raw Normal View History

2024-02-09 00:38:41 +00:00
'use strict'
const percentiles = module.exports.percentiles = [
0.001,
0.01,
0.1,
1,
2.5,
10,
25,
50,
75,
90,
97.5,
99,
99.9,
99.99,
99.999
]
module.exports.histAsObj = function (hist, total) {
const mean = Math.ceil(getMean(hist) * 100) / 100
const result = {
average: mean, // added for backward compat with wrk
mean: mean,
stddev: Math.ceil(getStdDeviation(hist) * 100) / 100,
min: getMin(hist),
max: getMax(hist)
}
if (typeof total === 'number') {
result.total = total
}
return result
}
module.exports.addPercentiles = function (hist, result) {
percentiles.forEach(function (perc) {
const key = ('p' + perc).replace('.', '_')
if (typeof hist.percentile === 'function') {
result[key] = hist.percentile(perc)
} else if (typeof hist.getValueAtPercentile === 'function') {
result[key] = hist.getValueAtPercentile(perc)
}
})
return result
}
function getMean (hist) {
if (typeof hist.mean === 'function') {
return hist.mean()
}
if (typeof hist.getMean === 'function') {
return hist.getMean()
}
return hist.mean
}
function getMin (hist) {
if (typeof hist.min === 'function') {
return hist.min()
}
return hist.minNonZeroValue
}
function getMax (hist) {
if (typeof hist.max === 'function') {
return hist.max()
}
return hist.maxValue
}
function getStdDeviation (hist) {
if (typeof hist.stddev === 'function') {
return hist.stddev()
}
if (typeof hist.getStdDeviation === 'function') {
return hist.getStdDeviation()
}
return hist.stdDeviation
}