/jfr

Op level 4Java 26.3

Starts or stops Java Flight Recorder profiling. Its basic form is /jfr start; it has 2 syntax forms and 0 arguments. Permission: Op level 4.

Who can use it
Op level 4
Syntax forms
2
Arguments
0

/jfr syntax

Game data

Every form the game accepts. Words in <angle brackets> are arguments you fill in; everything else is typed as is.

/jfr start
/jfr stop

Other commands

Data: Minecraft Java Edition 26.3 game files. How we source this

Starts or stops Java Flight Recorder profiling. It has 2 syntax forms and can be run by: Op level 4.

See Also

All commands
🔍

Help us maintain accuracy! If you notice incorrect stats, missing data, or any issues, your feedback directly improves the quality of our data for the entire community.

Report an Issue

/jfr FAQ (Java 26.3)

What does /jfr do in Minecraft?

Starts or stops Java Flight Recorder profiling.

What is the syntax of /jfr?

The basic form is /jfr start. All forms are listed above.

Do you need cheats for /jfr?

Yes: Op level 4. In singleplayer turn on Allow Cheats (or open to LAN with cheats).