linux-kernel - Re: [PATCH 1/2] selftests/ftrace: Fix to check required event file

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Date: Fri, 24 May 2024 21:27:39 -0700
From: Muhammad Usama Anjum <usama.anjum@...labora.com>
To: "Masami Hiramatsu (Google)" <mhiramat@...nel.org>,
 Steven Rostedt <rostedt@...dmis.org>, Shuah Khan <shuah@...nel.org>
Cc: Muhammad Usama Anjum <usama.anjum@...labora.com>,
 linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
 linux-kselftest@...r.kernel.org
Subject: Re: [PATCH 1/2] selftests/ftrace: Fix to check required event file

On 5/20/24 5:00 PM, Masami Hiramatsu (Google) wrote:
> From: Masami Hiramatsu (Google) <mhiramat@...nel.org>
> 
> The dynevent/test_duplicates.tc test case uses `syscalls/sys_enter_openat`
> event for defining eprobe on it. Since this `syscalls` events depend on
> CONFIG_FTRACE_SYSCALLS=y, if it is not set, the test will fail.
> 
> Add the event file to `required` line so that the test will return
> `unsupported` result.
> 
> Fixes: 297e1dcdca3d ("selftests/ftrace: Add selftest for testing duplicate eprobes and kprobes")
> Signed-off-by: Masami Hiramatsu (Google) <mhiramat@...nel.org>
LGTM
Reviewed-by: Muhammad Usama Anjum <usama.anjum@...labora.com>

> ---
>  .../ftrace/test.d/dynevent/test_duplicates.tc      |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/test_duplicates.tc b/tools/testing/selftests/ftrace/test.d/dynevent/test_duplicates.tc
> index d3a79da215c8..5f72abe6fa79 100644
> --- a/tools/testing/selftests/ftrace/test.d/dynevent/test_duplicates.tc
> +++ b/tools/testing/selftests/ftrace/test.d/dynevent/test_duplicates.tc
> @@ -1,7 +1,7 @@
>  #!/bin/sh
>  # SPDX-License-Identifier: GPL-2.0
>  # description: Generic dynamic event - check if duplicate events are caught
> -# requires: dynamic_events "e[:[<group>/][<event>]] <attached-group>.<attached-event> [<args>]":README
> +# requires: dynamic_events "e[:[<group>/][<event>]] <attached-group>.<attached-event> [<args>]":README events/syscalls/sys_enter_openat
>  
>  echo 0 > events/enable
>  
> 
> 

-- 
BR,
Muhammad Usama Anjum