llvm-profgen-14 (1) Linux Manual Page
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.