ecs-pf/dist/inference/performance-tracker.js

CLI for port-forwarding to RDS via AWS ECS

export class PerformanceTracker {
    metrics = [];
    currentStep = null;
    stepStartTime = null;
    startStep(step) {
        if (this.currentStep) {
            this.endStep();
        }
        this.currentStep = step;
        this.stepStartTime = performance.now();
    }
    endStep() {
        if (this.currentStep && this.stepStartTime !== null) {
            const endTime = performance.now();
            this.metrics.push({
                step: this.currentStep,
                startTime: this.stepStartTime,
                endTime,
                duration: endTime - this.stepStartTime,
            });
            this.currentStep = null;
            this.stepStartTime = null;
        }
    }
    getMetrics() {
        if (this.currentStep) {
            this.endStep();
        }
        return [...this.metrics];
    }
    getTotalDuration() {
        return this.metrics.reduce((total, metric) => total + metric.duration, 0);
    }
    getReport() {
        const metrics = this.getMetrics();
        const total = this.getTotalDuration();
        const reportLines = ["\n🕐 Performance Report\n", `${"=".repeat(50)}\n`];
        for (const metric of metrics) {
            const percentage = total > 0 ? ((metric.duration / total) * 100).toFixed(1) : "0.0";
            reportLines.push(`${metric.step.padEnd(30)} ${metric.duration.toFixed(0).padStart(6)}ms (${percentage}%)\n`);
        }
        reportLines.push(`${"=".repeat(50)}\n`, `${"Total".padEnd(30)} ${total.toFixed(0).padStart(6)}ms (100.0%)\n`);
        if (total > 3000) {
            reportLines.push("\nWarning: Total time exceeds 3 seconds threshold\n");
        }
        else {
            reportLines.push("\nPerformance within acceptable range (<3s)\n");
        }
        const report = reportLines.join("");
        return report;
    }
}