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Mon, 29 Sep 2025 19:46:02 -0700 (PDT) From: Jinchao Wang To: Andrew Morton , Masami Hiramatsu , Peter Zijlstra , Mike Rapoport , Alexander Potapenko , Randy Dunlap , Marco Elver , Jonathan Corbet , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. 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Miller" , Mathieu Desnoyers , linux-trace-kernel@vger.kernel.org Cc: Jinchao Wang Subject: [PATCH v6 21/23] tools/ksw: add test script Date: Tue, 30 Sep 2025 10:43:42 +0800 Message-ID: <20250930024402.1043776-22-wangjinchao600@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250930024402.1043776-1-wangjinchao600@gmail.com> References: <20250930024402.1043776-1-wangjinchao600@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 45E51180005 X-Stat-Signature: 3zdn5ucw48srp5fyjc3wu35roaofpyer X-Rspam-User: X-Rspamd-Server: rspam09 X-HE-Tag: 1759200364-259969 X-HE-Meta: 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 L8SIVSfa 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Provide a shell script to trigger test cases. Signed-off-by: Jinchao Wang --- tools/kstackwatch/kstackwatch_test.sh | 52 +++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100755 tools/kstackwatch/kstackwatch_test.sh diff --git a/tools/kstackwatch/kstackwatch_test.sh b/tools/kstackwatch/kstackwatch_test.sh new file mode 100755 index 000000000000..35cad036ecee --- /dev/null +++ b/tools/kstackwatch/kstackwatch_test.sh @@ -0,0 +1,52 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +echo "IMPORTANT: Before running, make sure you have updated the config values!" + +usage() { + echo "Usage: $0 [0-5]" + echo " 0 - test watch fire" + echo " 1 - test canary overflow" + echo " 2 - test recursive depth" + echo " 3 - test silent corruption" + echo " 4 - test multi-threaded silent corruption" + echo " 5 - test multi-threaded overflow" +} + +run_test() { + local test_num=$1 + case "$test_num" in + 0) echo fn=test_watch_fire fo=0x29 wl=8 >/sys/kernel/debug/kstackwatch/config + echo test0 > /sys/kernel/debug/kstackwatch/test + ;; + 1) echo fn=test_canary_overflow fo=0x14 >/sys/kernel/debug/kstackwatch/config + echo test1 >/sys/kernel/debug/kstackwatch/test + ;; + 2) echo fn=test_recursive_depth fo=0x2f dp=3 wl=8 so=0 >/sys/kernel/debug/kstackwatch/config + echo test2 >/sys/kernel/debug/kstackwatch/test + ;; + 3) echo fn=test_mthread_victim fo=0x4c so=64 wl=8 >/sys/kernel/debug/kstackwatch/config + echo test3 >/sys/kernel/debug/kstackwatch/test + ;; + 4) echo fn=test_mthread_victim fo=0x4c so=64 wl=8 >/sys/kernel/debug/kstackwatch/config + echo test4 >/sys/kernel/debug/kstackwatch/test + ;; + 5) echo fn=test_mthread_buggy fo=0x16 so=0x100 wl=8 >/sys/kernel/debug/kstackwatch/config + echo test5 >/sys/kernel/debug/kstackwatch/test + ;; + *) usage + exit 1 ;; + esac + # Reset watch after test + echo >/sys/kernel/debug/kstackwatch/config +} + +# Check root and module +[ "$EUID" -ne 0 ] && echo "Run as root" && exit 1 +for f in /sys/kernel/debug/kstackwatch/config /sys/kernel/debug/kstackwatch/test; do + [ ! -f "$f" ] && echo "$f not found" && exit 1 +done + +# Run +[ -z "$1" ] && { usage; exit 0; } +run_test "$1" -- 2.43.0