Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4# Kselftest framework requirement - SKIP code is 4.
5ksft_skip=4
6
7DBGFS=/sys/kernel/debug/damon
8
9if [ $EUID -ne 0 ];
10then
11 echo "Run as root"
12 exit $ksft_skip
13fi
14
15if [ ! -d "$DBGFS" ]
16then
17 echo "$DBGFS not found"
18 exit $ksft_skip
19fi
20
21for f in attrs target_ids monitor_on
22do
23 if [ ! -f "$DBGFS/$f" ]
24 then
25 echo "$f not found"
26 exit 1
27 fi
28done
29
30permission_error="Operation not permitted"
31for f in attrs target_ids monitor_on
32do
33 status=$( cat "$DBGFS/$f" 2>&1 )
34 if [ "${status#*$permission_error}" != "$status" ]; then
35 echo "Permission for reading $DBGFS/$f denied; maybe secureboot enabled?"
36 exit $ksft_skip
37 fi
38done