Man1 - 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:

–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.

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.

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

2003-2021, LLVM Project