1 .\" Copyright (C) 1994, 1995, Daniel Quinlan <quinlan@yggdrasil.com>
2 .\" Copyright (C) 2002-2008, 2017, Michael Kerrisk <mtk.manpages@gmail.com>
3 .\" Copyright (C) 2023, Alejandro Colomar <alx@kernel.org>
5 .\" SPDX-License-Identifier: GPL-3.0-or-later
7 .TH proc_profile 5 (date) "Linux man-pages (unreleased)"
9 /proc/profile \- kernel profiling
12 .IR /proc/profile " (since Linux 2.4)"
13 This file is present only if the kernel was booted with the
16 It exposes kernel profiling information in a binary format for use by
18 Writing (e.g., an empty string) to this file resets the profiling counters;
19 on some architectures,
20 writing a binary integer "profiling multiplier" of size
22 sets the profiling interrupt frequency.