llvm-profgen
LLVM SPGO profile generation tool
- Provided by: llvm-21 (Version: 1:21.1.8-6ubuntu1)
- Source: llvm-toolchain-21
- Report a bug
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
2003-2026, LLVM Project