llvm-profgen - LLVM SPGO profile generation tool ================================================ .. program:: llvm-profgen SYNOPSIS -------- :program:`llvm-profgen` [*commands*] [*options*] DESCRIPTION ----------- The :program:`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: .. option:: --perfscript= Path of perf-script trace created by Linux perf tool with `script` command(the raw perf.data should be profiled with -b). .. option:: --binary= Path of the input profiled binary files. .. option:: --output= Path of the output profile file. OPTIONS ------- :program:`llvm-profgen` supports the following options: .. option:: --format=[text|binary|extbinary|compbinary|gcc] Specify the format of the generated profile. Supported are `text`, `binary`, `extbinary`, `compbinary`, `gcc`, see `llvm-profdata` for more descriptions of the format. .. option:: --show-mmap-events Print mmap events. .. option:: --show-disassembly Print disassembled code. .. option:: --x86-asm-syntax=[att|intel] Specify whether to print assembly code in AT&T syntax (the default) or Intel syntax.