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FiveM Performance Profiling Tools & Optimization Guide

Optimize FiveM server performance with built-in CPU, client, and network profiling tools. Learn to identify bottlenecks, fix FPS drops, and monitor resource usage.

3 min read

FiveM Performance Profiling

FiveM provides built-in profiling tools to measure CPU usage, identify performance bottlenecks, and optimize server resources. These tools help diagnose lag, FPS drops, and network issues through server console commands and client-side utilities.

Types of Profilers

Profiler Type Purpose Scope
Resource Time Profiler Measures CPU usage per resource Server-side
Client Profiler Profiles scripts causing FPS drops Client-side
Network Profiler Monitors bandwidth usage and event spam Network traffic

Prerequisites

  • Active FiveM server with console access
  • Server console (txAdmin) or RCON access
  • For client profiling: F8 developer console access and appropriate permissions

Server-Side CPU Profiling

1. Start the Profiler

To profile all resources:

profile start

To profile a specific resource:

profile start <resourceName>

2. Data Collection

Allow the server to run for 30-60 seconds during normal gameplay or testing conditions.

3. Stop Profiling

profile stop

4. View Results

profile view

The output displays:

  • Resource name
  • Average execution time (ms)
  • Total function calls
  • CPU percentage usage

Resources with high average or total times indicate performance issues requiring optimization.

Client-Side Performance Profiling

1. Initialize Client Profiler

  1. Press F8 to open the developer console
  2. Execute: profiler record

2. Performance Testing

Perform actions that typically cause performance issues or frame drops.

3. Stop and Review

profiler stop
profiler view

4. Export Data (Optional)

profiler save <filename>

The exported file can be analyzed using Chrome's Performance Viewer at chrome://tracing.

Network Profiling

Real-Time Network Monitor

netgraph 1

Displays per-client network usage overlay similar to GTA Online's development tools.

Detailed Network Tracing

nettrace start

(perform network-intensive operations)

nettrace stop

Review logs for excessive event transmission or large data transfers.

Profiling Example

To diagnose inventory script performance:

  1. Execute profile start inventory
  2. Have players interact with inventory systems for 1-2 minutes
  3. Run profile stop followed by profile view
  4. If average tick time exceeds 2ms, the resource requires optimization

Best Practices

  • Conduct profiling during typical server load (10-20 players)
  • Avoid profiling during server restarts or idle periods
  • Investigate resources with >2-3ms average tick times
  • Use resmon 1 for real-time performance monitoring overlay

Command Reference

Command Function
resmon 1 Enable real-time resource monitor overlay
profile start [resource] Begin CPU profiling (all or specific resource)
profile stop End profiling session
profile view Display profiling results
profiler record Start client-side performance profiling
profiler stop End client-side profiling
profiler save <name> Export profiling data to file
nettrace start/stop Control network traffic profiling
netgraph 1 Display network usage overlay

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