linux-kernel - Re: [PATCH v3 3/3] selftests/user_events: Add test cases when event is diabled

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Date:   Thu, 22 Jun 2023 20:27:40 +0000
From:   Beau Belgrave <beaub@...ux.microsoft.com>
To:     sunliming <sunliming@...inos.cn>
Cc:     rostedt@...dmis.org, mhiramat@...nel.org, kelulanainsley@...il.com,
        linux-trace-kernel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 3/3] selftests/user_events: Add test cases when event
 is diabled

On Wed, Jun 21, 2023 at 02:35:02PM +0800, sunliming wrote:
> When user_events are disabled, it's write operation should return zero.
> Add this test cases.
> 
> Signed-off-by: sunliming <sunliming@...inos.cn>

I don't have a problem with the chagne to the test, however, the patch
title has a typo in it for "disabled" that should be corrected. I've
ACK'd the other 2 patches, so you only need to resubmit this one with a
correct title.

Thanks,
-Beau

> ---
>  tools/testing/selftests/user_events/ftrace_test.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/tools/testing/selftests/user_events/ftrace_test.c b/tools/testing/selftests/user_events/ftrace_test.c
> index d33bd31425db..7968d69c3a5c 100644
> --- a/tools/testing/selftests/user_events/ftrace_test.c
> +++ b/tools/testing/selftests/user_events/ftrace_test.c
> @@ -297,6 +297,9 @@ TEST_F(user, write_events) {
>  	io[0].iov_base = &reg.write_index;
>  	io[0].iov_len = sizeof(reg.write_index);
>  
> +	/* Write should return zero when event is not enabled */
> +	ASSERT_EQ(0, writev(self->data_fd, (const struct iovec *)io, 3));
> +
>  	/* Enable event */
>  	self->enable_fd = open(enable_file, O_RDWR);
>  	ASSERT_NE(-1, write(self->enable_fd, "1", sizeof("1")))
> -- 
> 2.25.1