Commit 7350aa5c authored by Ye Bin's avatar Ye Bin
Browse files

selftests/ftrace: add fprobe test cases for VFS type "%pd" and "%pD" 

mainline inclusion
from mainline-v6.10-rc1
commit ee97e5e135c6fc937c4c81e0341c6513e2e6d44c
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/IAMXDU

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ee97e5e135c6fc937c4c81e0341c6513e2e6d44c

--------------------------------

This patch adds fprobe test cases for new print format type "%pd/%pD".The
test cases test the following items:
1. Test "%pd" type for dput();
2. Test "%pD" type for vfs_read();

This test case require enable CONFIG_HAVE_FUNCTION_ARG_ACCESS_API configuration.

Link: https://lore.kernel.org/all/20240322064308.284457-6-yebin10@huawei.com/



Signed-off-by: default avatarYe Bin <yebin10@huawei.com>
Acked-by: default avatarMasami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: default avatarMasami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: default avatarYe Bin <yebin10@huawei.com>
parent bf27e0a5

tools/testing/selftests/ftrace/test.d/dynevent/fprobe_args_vfs.tc

0 → 100644
+40 −0
Original line number Diff line number Diff line 
#!/bin/sh

# SPDX-License-Identifier: GPL-2.0

# description: Fprobe event VFS type argument

# requires: kprobe_events "%pd/%pD":README



: "Test argument %pd with name for fprobe"

echo 'f:testprobe dput name=$arg1:%pd' > dynamic_events

echo 1 > events/fprobes/testprobe/enable

grep -q "1" events/fprobes/testprobe/enable

echo 0 > events/fprobes/testprobe/enable

grep "dput" trace | grep -q "enable"

echo "" > dynamic_events

echo "" > trace



: "Test argument %pd without name for fprobe"

echo 'f:testprobe dput $arg1:%pd' > dynamic_events

echo 1 > events/fprobes/testprobe/enable

grep -q "1" events/fprobes/testprobe/enable

echo 0 > events/fprobes/testprobe/enable

grep "dput" trace | grep -q "enable"

echo "" > dynamic_events

echo "" > trace



: "Test argument %pD with name for fprobe"

echo 'f:testprobe vfs_read name=$arg1:%pD' > dynamic_events

echo 1 > events/fprobes/testprobe/enable

grep -q "1" events/fprobes/testprobe/enable

echo 0 > events/fprobes/testprobe/enable

grep "vfs_read" trace | grep -q "enable"

echo "" > dynamic_events

echo "" > trace



: "Test argument %pD without name for fprobe"

echo 'f:testprobe vfs_read $arg1:%pD' > dynamic_events

echo 1 > events/fprobes/testprobe/enable

grep -q "1"  events/fprobes/testprobe/enable

echo 0 > events/fprobes/testprobe/enable

grep "vfs_read" trace | grep -q "enable"

echo "" > dynamic_events

echo "" > trace