linux-kernel - Re: [PATCH 02/12] selftests/hid: vmtest.sh: allow finer control on the build steps

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Date:   Fri, 1 Dec 2023 15:34:52 +1000
From:   Peter Hutterer <peter.hutterer@...-t.net>
To:     Benjamin Tissoires <bentiss@...nel.org>
Cc:     Jiri Kosina <jikos@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Shuah Khan <shuah@...nel.org>, linux-input@...r.kernel.org,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 02/12] selftests/hid: vmtest.sh: allow finer control on
 the build steps

On Wed, Nov 29, 2023 at 04:24:27PM +0100, Benjamin Tissoires wrote:
> vmtest.sh works great for a one shot test, but not so much for CI where
> I want to build (with different configs) the bzImage in a separate
> job than the one I am running it.
> 
> Add a "build_only" option to specify whether we need to boot the currently
> built kernel in the vm.
> 
> Signed-off-by: Benjamin Tissoires <bentiss@...nel.org>
> ---
>  tools/testing/selftests/hid/vmtest.sh | 42 ++++++++++++++++++++---------------
>  1 file changed, 24 insertions(+), 18 deletions(-)
> 
> diff --git a/tools/testing/selftests/hid/vmtest.sh b/tools/testing/selftests/hid/vmtest.sh
> index 301b4e162336..52ada972833b 100755
> --- a/tools/testing/selftests/hid/vmtest.sh
> +++ b/tools/testing/selftests/hid/vmtest.sh
> @@ -32,7 +32,7 @@ DEFAULT_COMMAND="pip3 install hid-tools; make -C tools/testing/selftests TARGETS
>  usage()
>  {
>  	cat <<EOF
> -Usage: $0 [-i] [-s] [-d <output_dir>] -- [<command>]
> +Usage: $0 [-j N] [-s] [-b] [-d <output_dir>] -- [<command>]
>  
>  <command> is the command you would normally run when you are in
>  the source kernel direcory. e.g:
> @@ -55,6 +55,7 @@ Options:
>  
>  	-u)		Update the boot2container script to a newer version.
>  	-d)		Update the output directory (default: ${OUTPUT_DIR})
> +	-b)		Run the only build steps for the kernel and the selftests

typo: "run only the"

Cheers,
  Peter


>  	-j)		Number of jobs for compilation, similar to -j in make
>  			(default: ${NUM_COMPILE_JOBS})
>  	-s)		Instead of powering off the VM, start an interactive
> @@ -191,8 +192,9 @@ main()
>  	local command="${DEFAULT_COMMAND}"
>  	local update_b2c="no"
>  	local debug_shell="no"
> +	local build_only="no"
>  
> -	while getopts ':hsud:j:' opt; do
> +	while getopts ':hsud:j:b' opt; do
>  		case ${opt} in
>  		u)
>  			update_b2c="yes"
> @@ -207,6 +209,9 @@ main()
>  			command="/bin/sh"
>  			debug_shell="yes"
>  			;;
> +		b)
> +			build_only="yes"
> +			;;
>  		h)
>  			usage
>  			exit 0
> @@ -226,8 +231,7 @@ main()
>  	shift $((OPTIND -1))
>  
>  	# trap 'catch "$?"' EXIT
> -
> -	if [[ "${debug_shell}" == "no" ]]; then
> +	if [[ "${build_only}" == "no" && "${debug_shell}" == "no" ]]; then
>  		if [[ $# -eq 0 ]]; then
>  			echo "No command specified, will run ${DEFAULT_COMMAND} in the vm"
>  		else
> @@ -267,24 +271,26 @@ main()
>  	update_kconfig "${kernel_checkout}" "${kconfig_file}"
>  
>  	recompile_kernel "${kernel_checkout}" "${make_command}"
> +	update_selftests "${kernel_checkout}" "${make_command}"
>  
> -	if [[ "${update_b2c}" == "no" && ! -f "${b2c}" ]]; then
> -		echo "vm2c script not found in ${b2c}"
> -		update_b2c="yes"
> -	fi
> +	if [[ "${build_only}" == "no" ]]; then
> +		if [[ "${update_b2c}" == "no" && ! -f "${b2c}" ]]; then
> +			echo "vm2c script not found in ${b2c}"
> +			update_b2c="yes"
> +		fi
>  
> -	if [[ "${update_b2c}" == "yes" ]]; then
> -		download $B2C_URL $b2c
> -		chmod +x $b2c
> -	fi
> +		if [[ "${update_b2c}" == "yes" ]]; then
> +			download $B2C_URL $b2c
> +			chmod +x $b2c
> +		fi
>  
> -	update_selftests "${kernel_checkout}" "${make_command}"
> -	run_vm "${kernel_checkout}" $b2c "${kernel_bzimage}" "${command}"
> -	if [[ "${debug_shell}" != "yes" ]]; then
> -		echo "Logs saved in ${OUTPUT_DIR}/${LOG_FILE}"
> -	fi
> +		run_vm "${kernel_checkout}" $b2c "${kernel_bzimage}" "${command}"
> +		if [[ "${debug_shell}" != "yes" ]]; then
> +			echo "Logs saved in ${OUTPUT_DIR}/${LOG_FILE}"
> +		fi
>  
> -	exit $(cat ${OUTPUT_DIR}/${EXIT_STATUS_FILE})
> +		exit $(cat ${OUTPUT_DIR}/${EXIT_STATUS_FILE})
> +	fi
>  }
>  
>  main "$@"
> 
> -- 
> 2.41.0
>