linux-kernel - Re: [PATCH v3 1/4] memblock tests: add user-provided arguments to Makefile

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Date:   Wed, 22 Jun 2022 22:47:55 -0500
From:   Mike Rapoport <rppt@...nel.org>
To:     Rebecca Mckeever <remckee0@...il.com>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        David Hildenbrand <david@...hat.com>
Subject: Re: [PATCH v3 1/4] memblock tests: add user-provided arguments to
 Makefile

Hi Rebecca,

On Wed, Jun 22, 2022 at 04:29:06AM -0500, Rebecca Mckeever wrote:
>
> Subject: memblock tests: add user-provided arguments to Makefile

Please be more specific here, e.g. 

memblock tests: Makefile: add arguments to control verbosity

> Add VERBOSE and MEMBLOCK_DEBUG user-provided arguments. VERBOSE will
> enable verbose output from Memblock simulator. MEMBLOCK_DEBUG will enable
> memblock_dbg() messages.
> 
> Update the help message to include VERBOSE and MEMBLOCK_DEBUG. Update
> the README to include VERBOSE. The README does not include all available
> options and refers to the help message for the remaining options.
> Therefore, omit MEMBLOCK_DEBUG from README.
> 
> Reviewed-by: David Hildenbrand <david@...hat.com>
> Signed-off-by: Rebecca Mckeever <remckee0@...il.com>
> ---
>  tools/testing/memblock/Makefile                 |  4 ++++
>  tools/testing/memblock/README                   | 10 +++++++++-
>  tools/testing/memblock/scripts/Makefile.include | 10 ++++++++++
>  3 files changed, 23 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/testing/memblock/Makefile b/tools/testing/memblock/Makefile
> index a698e24b35e7..9fde49ad73bd 100644
> --- a/tools/testing/memblock/Makefile
> +++ b/tools/testing/memblock/Makefile
> @@ -45,6 +45,10 @@ help:
>  	@echo  '  clean		  - Remove generated files and symlinks in the directory'
>  	@echo  ''
>  	@echo  'Configuration:'
> +	@echo  '  make VERBOSE=1            - enable verbose output, which includes the'
> +	@echo  '                              names of functions being tested and the'
> +	@echo  '                              number of test cases passing'
> +	@echo  '  make MEMBLOCK_DEBUG=1     - enable memblock_dbg() messages'
>  	@echo  '  make NUMA=1               - simulate enabled NUMA'
>  	@echo  '  make MOVABLE_NODE=1       - override `movable_node_is_enabled`'
>  	@echo  '                              definition to simulate movable NUMA nodes'
> diff --git a/tools/testing/memblock/README b/tools/testing/memblock/README
> index ca6afcff013a..058146b528a5 100644
> --- a/tools/testing/memblock/README
> +++ b/tools/testing/memblock/README
> @@ -34,7 +34,15 @@ To run the tests, build the main target and run it:
>  $ make && ./main
>  
>  A successful run produces no output. It is also possible to override different
> -configuration parameters. For example, to simulate enabled NUMA, use:
> +configuration parameters. For example, to include verbose output, specify the
> +VERBOSE flag when building the main target:
> +
> +$ make VERBOSE=1
> +
> +This will print information about which functions are being tested and the
> +number of test cases that passed.
> +
> +To simulate enabled NUMA, use:
>  
>  $ make NUMA=1
>  
> diff --git a/tools/testing/memblock/scripts/Makefile.include b/tools/testing/memblock/scripts/Makefile.include
> index 641569ccb7b0..4401f79bed4c 100644
> --- a/tools/testing/memblock/scripts/Makefile.include
> +++ b/tools/testing/memblock/scripts/Makefile.include
> @@ -17,3 +17,13 @@ ifeq ($(32BIT_PHYS_ADDR_T), 1)
>  	CFLAGS += -m32 -U CONFIG_PHYS_ADDR_T_64BIT
>  	LDFLAGS += -m32
>  endif
> +
> +# Enable verbose testing output
> +ifeq ($(VERBOSE), 1)
> +	CFLAGS += -D VERBOSE
> +endif
> +
> +# Enable memblock_dbg() messages
> +ifeq ($(MEMBLOCK_DEBUG), 1)
> +	CFLAGS += -D MEMBLOCK_DEBUG
> +endif
> -- 
> 2.34.1
> 

-- 
Sincerely yours,
Mike.