Man page - llvm-profgen-18(1)

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LLVM-PROFGEN(1) LLVM LLVM-PROFGEN(1)

llvm-profgen - LLVM SPGO profile generation tool

llvm-profgen [commands] [options]

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

At least one of the following commands are required:

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

Path of the input profiled binary files.

Path of the output profile file.

llvm-profgen supports the following options:

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

Print mmap events.

Print disassembled code.

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

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

2003-2025, LLVM Project

2025-06-14 15