LLVM-PROFGEN(1)

okay so bestie 💖 welcome to the LLVM-PROFGEN(1) page in the LLVM manual — manual name folded in right here so we can skip the boring header line. slay.

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✨ 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). periodt. 💅

💖 COMMANDS 💖

At least one of the following commands are required — not a suggestion, bestie:

• --perfscript=<string[,string,...]> — Path of the perf-script trace created by the Linux perf tool with its 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> values are text, binary, extbinary, compbinary, and 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 🍓

2003-2025, LLVM Project

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mwah 💋 that's it — the LLVM-PROFGEN(1) page, LLVM source/version, page 19, dated 2025-01-17. byeee bestie 🫶💜