llvm-profgen-14 (1) Linux Manual Page
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
2003-2022, LLVM Project