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Date:	Thu, 27 Nov 2014 14:45:11 +0900
From:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
To:	Shuah Khan <shuahkh@....samsung.com>
Cc:	gregkh@...uxfoundation.org, akpm@...ux-foundation.org,
	mmarek@...e.cz, davem@...emloft.net, keescook@...omium.org,
	tranmanphong@...il.com, dh.herrmann@...il.com, hughd@...gle.com,
	bobby.prani@...il.com, ebiederm@...ssion.com,
	serge.hallyn@...ntu.com, linux-kbuild@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-api@...r.kernel.org,
	netdev@...r.kernel.org,
	"yrl.pp-manager.tt@...achi.com" <yrl.pp-manager.tt@...achi.com>
Subject: Re: [PATCH v2 03/19] selftests: add install target to enable installing
 selftests

(2014/11/12 5:27), Shuah Khan wrote:
> Add a new make target to enable installing selftests. This
> new target will call install targets for the tests that are
> specified in INSTALL_TARGETS. During install, a script is
> generated to run tests that are installed. This script will
> be installed in the selftest install directory. Individual
> test Makefiles are changed to add to the script. This will
> allow new tests to add install and run test commands to the
> generated kselftest script. run_tests target runs the
> generated kselftest script to run tests when it is initiated
> from from "make kselftest" from top level source directory.
> 
> Approach:
> 
> make kselftest_target:
> -- exports kselftest INSTALL_KSFT_PATH
>    default $(INSTALL_MOD_PATH)/lib/kselftest/$(KERNELRELEASE)
> -- exports path for ksefltest.sh
> -- runs selftests make install target:
> 
> selftests make install target
> -- creates kselftest.sh script in install install dir
> -- runs install targets for all INSTALL_TARGETS
>    (Note: ftrace and powerpc aren't included in INSTALL_TARGETS,
>           to not add more content to patch v1 series. This work
>           will happen soon. In this series these two targets are
>           run after running the generated kselftest script, without
>           any regression in the way these tests are run with
>           "make kselftest" prior to this work.)
> -- install target can be run only from top level source dir.
> 
> Individual test make install targets:
> -- install test programs and/or scripts in install dir
> -- append to the ksefltest.sh file to add commands to run test
> -- install target can be run only from top level source dir.
> 
> Adds the following new ways to initiate selftests:
> -- Installing and running kselftest from install directory
>    by running  "make kselftest"
> -- Running kselftest script from install directory
> 
> Maintains the following ways to run tests:
> -- make -C tools/testing/selftests run_tests
> -- make -C tools/testing/selftests TARGETS=target run_tests
>    Ability specify targets: e.g TARGETS=net
> -- make run_tests from tools/testing/selftests
> -- make run_tests from individual test directories:
>    e.g: make run_tests in tools/testing/selftests/breakpoints
> 
> Signed-off-by: Shuah Khan <shuahkh@....samsung.com>
> ---
>  tools/testing/selftests/Makefile | 31 ++++++++++++++++++++++++++++++-
>  1 file changed, 30 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
> index 45f145c..b9bdc1d 100644
> --- a/tools/testing/selftests/Makefile
> +++ b/tools/testing/selftests/Makefile
> @@ -16,6 +16,10 @@ TARGETS += sysctl
>  TARGETS += firmware
>  TARGETS += ftrace
>  
> +INSTALL_TARGETS = breakpoints cpu-hotplug efivarfs firmware ipc
> +INSTALL_TARGETS += kcmp memfd memory-hotplug mqueue mount net
> +INSTALL_TARGETS += ptrace sysctl timers user vm
> +
>  TARGETS_HOTPLUG = cpu-hotplug
>  TARGETS_HOTPLUG += memory-hotplug
>  

I think KSELFTEST itself should be defined here, since that is not
a parameter.

> @@ -24,10 +28,35 @@ all:
>  		make -C $$TARGET; \
>  	done;
>  
> -run_tests: all
> +install:
> +ifdef INSTALL_KSFT_PATH
> +	make all
> +	@echo #!/bin/sh\n# Kselftest Run Tests .... >> $(KSELFTEST)
> +	@echo # This file is generated during kselftest_install >> $(KSELFTEST)
> +	@echo # Please don't change it !!\n  >> $(KSELFTEST)
> +	@echo echo ============================== >> $(KSELFTEST)
> +	for TARGET in $(INSTALL_TARGETS); do \
> +		echo Installing $$TARGET; \
> +		make -C $$TARGET install; \

Please pass O= option and others here.

> +	done;
> +	chmod +x $(KSELFTEST)
> +else
> +	@echo Run make kselftest_install in top level source directory
> +endif
> +
> +run_tests:
> +ifdef INSTALL_KSFT_PATH
> +	@cd $(INSTALL_KSFT_PATH); ./kselftest.sh; cd -

We'd better use some macro instead of ./kselftest.sh?

Thank you,

> +# TODO: include ftrace and powerpc in install targets
> +	for TARGET in ftrace powerpc; do \
> +		make -C $$TARGET run_tests; \
> +	done;
> +else
> +	make all
>  	for TARGET in $(TARGETS); do \
>  		make -C $$TARGET run_tests; \
>  	done;
> +endif
>  
>  hotplug:
>  	for TARGET in $(TARGETS_HOTPLUG); do \
> 


-- 
Masami HIRAMATSU
Software Platform Research Dept. Linux Technology Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu.pt@...achi.com


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