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/?i...
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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: Ye Bin yebin10@huawei.com Acked-by: Masami Hiramatsu (Google) mhiramat@kernel.org Signed-off-by: Masami Hiramatsu (Google) mhiramat@kernel.org Signed-off-by: Ye Bin yebin10@huawei.com --- .../ftrace/test.d/dynevent/fprobe_args_vfs.tc | 40 +++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 tools/testing/selftests/ftrace/test.d/dynevent/fprobe_args_vfs.tc
diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/fprobe_args_vfs.tc b/tools/testing/selftests/ftrace/test.d/dynevent/fprobe_args_vfs.tc new file mode 100644 index 000000000000..49a833bf334c --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/dynevent/fprobe_args_vfs.tc @@ -0,0 +1,40 @@ +#!/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