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selftests: livepatch: use canonical ftrace path

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Since v4.1 kernel, a new interface for ftrace called "tracefs" was
introduced, which is usually mounted in /sys/kernel/tracing. Therefore,
tracing files can now be accessed via either the legacy path
/sys/kernel/debug/tracing or the newer path /sys/kernel/tracing.

Signed-off-by: Fushuai Wang <wangfushuai@baidu.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Tested-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
This commit is contained in:
Fushuai Wang
2025-10-10 20:07:27 +08:00
committed by Petr Mladek
parent 139560e8b9
commit 5cb5575308
1 changed files with 5 additions and 1 deletions
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6
tools/testing/selftests/livepatch/functions.sh
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@@ -10,7 +10,11 @@ SYSFS_KERNEL_DIR="/sys/kernel"
SYSFS_KLP_DIR="$SYSFS_KERNEL_DIR/livepatch"
SYSFS_DEBUG_DIR="$SYSFS_KERNEL_DIR/debug"
SYSFS_KPROBES_DIR="$SYSFS_DEBUG_DIR/kprobes"
SYSFS_TRACING_DIR="$SYSFS_DEBUG_DIR/tracing"
if [[ -e /sys/kernel/tracing/trace ]]; then
SYSFS_TRACING_DIR="$SYSFS_KERNEL_DIR/tracing"
else
SYSFS_TRACING_DIR="$SYSFS_DEBUG_DIR/tracing"
fi
# Kselftest framework requirement - SKIP code is 4
ksft_skip=4