---
name: "llvm-profgen-16"
section: "1"
platform: "linux"
package: "llvm-16"
version: "1:16.0.6-15~deb12u1"
release: "Debian 12 (Bookworm)"
platforms: ["linux"]
url: "https://new.carta.tech/llvm-profgen-16"
---

# llvm-profgen-16(1)

LLVM SPGO profile generation tool

## NAME

llvm-profgen - LLVM SPGO profile generation tool

## SYNOPSIS

**llvm-profgen** \[*commands*\] \[*options*\]

## DESCRIPTION

The **llvm-profgen** utility generates a profile data file from given perf script data files for sample-based profile guided optimization(SPGO).

## COMMANDS

At least one of the following commands are required:

- **--perfscript=\<string\[,string,...\]\>**

  Path of perf-script trace created by Linux perf tool with *script* command(the raw perf.data should be profiled with -b).

- **--binary=\<string\[,string,...\]\>**

  Path of the input profiled binary files.

- **--output=\<string\>**

  Path of the output profile file.

## OPTIONS

**llvm-profgen** supports the following options:

- **--format=\[text\|binary\|extbinary\|compbinary\|gcc\]**

  Specify the format of the generated profile. Supported \<format\>  are *text*, *binary*, *extbinary*, *compbinary*, *gcc*, see *llvm-profdata* for more descriptions of the format.

- **--show-mmap-events**

  Print mmap events.

- **--show-disassembly**

  Print disassembled code.

- **--x86-asm-syntax=\[att\|intel\]**

  Specify whether to print assembly code in AT&T syntax (the default) or Intel syntax.

## AUTHOR

Maintained by the LLVM Team (https://llvm.org/).

## COPYRIGHT

2003-2023, LLVM Project