cables_dev/cables/src/core/core_profiler.js

import { now } from "./timer.js";

class Profiler
{
    constructor(patch)
    {
        this.startFrame = patch.getFrameNum();
        this.items = {};
        this.currentId = null;
        this.currentStart = 0;
        this._patch = patch;
    }

    getItems()
    {
        return this.items;
    }

    clear()
    {
        if (this.paused) return;
        this.items = {};
    }

    togglePause()
    {
        this.paused = !this.paused;
        if (!this.paused)
        {
            this.items = {};
            this.currentStart = performance.now();
        }
    }

    add(type, object)
    {
        if (this.paused) return;

        if (this.currentId !== null)
        {
            if (!object || object.id != this.currentId)
            {
                if (this.items[this.currentId])
                {
                    this.items[this.currentId].timeUsed += performance.now() - this.currentStart;

                    if (!this.items[this.currentId].peakTime || now() - this.items[this.currentId].peakTime > 5000)
                    {
                        this.items[this.currentId].peak = 0;
                        this.items[this.currentId].peakTime = now();
                    }
                    this.items[this.currentId].peak = Math.max(this.items[this.currentId].peak, performance.now() - this.currentStart);
                }
            }
        }

        if (object !== null)
        {
            if (!this.items[object.id])
            {
                this.items[object.id] = {
                    "numTriggers": 0,
                    "timeUsed": 0,
                };
            }

            if (this.items[object.id].lastFrame != this._patch.getFrameNum()) this.items[object.id].numTriggers = 0;

            this.items[object.id].lastFrame = this._patch.getFrameNum();
            this.items[object.id].numTriggers++;
            this.items[object.id].opid = object.op.id;
            this.items[object.id].title = object.op.name + "." + object.name;
            this.items[object.id].subPatch = object.op.uiAttribs.subPatch;

            this.currentId = object.id;
            this.currentStart = performance.now();
        }
        else
        {
            this.currentId = null;
        }
    }

    print()
    {
        console.log("--------");
        for (const i in this.items)
        {
            console.log(this.items[i].title + ": " + this.items[i].numTriggers + " / " + this.items[i].timeUsed);
        }
    }
}

export { Profiler };