@oaklean/profiler-core
Version:
Part of the @oaklean suite. It provides all basic functions to work with the `.oak` file format. It allows parsing the `.oak` file format as well as tools for analyzing the measurement values. It also provides all necessary capabilities required for prec
83 lines • 6.73 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.PowerMetricsData = void 0;
const BaseMetricsData_1 = require("./BaseMetricsData");
const TimeHelper_1 = require("../../helper/TimeHelper");
class PowerMetricsData extends BaseMetricsData_1.BaseMetricsData {
constructor(data) {
super();
this._data = data;
this._energyImpactPerTask = undefined;
this.timeDelta = TimeHelper_1.TimeHelper.getTimeDelta();
}
toJSON() {
return {
data: Object.assign(Object.assign({}, this._data), { timestamp: this._data.timestamp.toUTCString() }),
timeDelta: this.timeDelta.toString()
};
}
static fromJSON(json,
// eslint-disable-next-line @typescript-eslint/no-explicit-any,@typescript-eslint/no-unused-vars
...args) {
let data;
if (typeof json === 'string') {
data = JSON.parse(json);
}
else {
data = json;
}
const result = new PowerMetricsData(Object.assign(Object.assign({}, data.data), { timestamp: new Date(data.data.timestamp) }));
result.timeDelta = BigInt(data.timeDelta);
return result;
}
get duration() {
return BigInt(this._data.elapsed_ns);
}
get startTime() {
return TimeHelper_1.TimeHelper.timestampToHighResolutionTime(this._data.timestamp.getTime(), this.timeDelta);
}
get endTime() {
return BigInt(this.startTime + this.duration);
}
energyImpactPerTask() {
if (this._energyImpactPerTask === undefined) {
const energyImpactPerTask = new Map();
for (const task of this._data.tasks) {
energyImpactPerTask.set(task.pid, task.energy_impact);
}
this._energyImpactPerTask = energyImpactPerTask;
}
return this._energyImpactPerTask;
}
totalEnergyImpact() {
if (this._totalEnergyImpact === undefined) {
let totalEnergyImpact = 0;
// eslint-disable-next-line @typescript-eslint/no-unused-vars
for (const [_, energyImpact] of this.energyImpactPerTask().entries()) {
totalEnergyImpact += energyImpact;
}
this._totalEnergyImpact = totalEnergyImpact;
}
return this._totalEnergyImpact;
}
processIsPresent(pid) {
return this.energyImpactPerTask().has(pid);
}
energyPortionOfProcess(pid) {
const energyImpactOfProcess = this.energyImpactPerTask().get(pid);
if (energyImpactOfProcess === undefined) {
throw new Error('Processes energy could not be found in the PowerMetrics measurements');
}
return energyImpactOfProcess / this.totalEnergyImpact();
}
cpuEnergy() {
const power = this._data.processor.cpu_power; // in mW = 1e-3 W
const time = this._data.elapsed_ns; // in ns = 1e-9 s
return ((power * time) / 1e9); // (1e-3 W)*(1e-9 s) = 1e-12 J = 1e-9 mJ
}
ramEnergy() {
return 0; // sensor interface does not support ram energy measurements
}
}
exports.PowerMetricsData = PowerMetricsData;
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