linux-kernel - Re: [PATCH 3/3] selftests: silence test output by default

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Date:   Mon, 18 Sep 2017 11:46:18 -0600
From:   Shuah Khan <shuah@...nel.org>
To:     josef@...icpanda.com
Cc:     Josef Bacik <jbacik@...com>,
        "David S. Miller" <davem@...emloft.net>,
        linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        netdev@...r.kernel.org, shuah Khan <shuahkh@....samsung.com>
Subject: Re: [PATCH 3/3] selftests: silence test output by default

On 09/18/2017 11:37 AM, josef@...icpanda.com wrote:
> From: Josef Bacik <jbacik@...com>
> 
> Some of the networking tests are very noisy and make it impossible to
> see if we actually passed the tests as they run.  Default to suppressing
> the output from any tests run in order to make it easier to track what
> failed.
> 
> Signed-off-by: Josef Bacik <jbacik@...com>
> --

This change suppresses pass/fail wrapper output for all tests, not just the
networking tests.

Could you please send me before and after results for what you are trying
to fix.

>  tools/testing/selftests/lib.mk | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk
> index 693616651da5..223234cd98e9 100644
> --- a/tools/testing/selftests/lib.mk
> +++ b/tools/testing/selftests/lib.mk
> @@ -24,7 +24,7 @@ define RUN_TESTS
>  			echo "selftests: Warning: file $$BASENAME_TEST is not executable, correct this.";\
>  			echo "not ok 1..$$test_num selftests: $$BASENAME_TEST [FAIL]"; \
>  		else					\
> -			cd `dirname $$TEST` > /dev/null; (./$$BASENAME_TEST && echo "ok 1..$$test_num selftests: $$BASENAME_TEST [PASS]") || echo "not ok 1..$$test_num selftests:  $$BASENAME_TEST [FAIL]"; cd - > /dev/null;\
> +			cd `dirname $$TEST` > /dev/null; (./$$BASENAME_TEST > /dev/null 2>&1 && echo "ok 1..$$test_num selftests: $$BASENAME_TEST [PASS]") || echo "not ok 1..$$test_num selftests:  $$BASENAME_TEST [FAIL]"; cd - > /dev/null;\
>  		fi;					\
>  	done;
>  endef
> @@ -55,7 +55,7 @@ endif
>  define EMIT_TESTS
>  	@for TEST in $(TEST_GEN_PROGS) $(TEST_PROGS); do \
>  		BASENAME_TEST=`basename $$TEST`;	\
> -		echo "(./$$BASENAME_TEST && echo \"selftests: $$BASENAME_TEST [PASS]\") || echo \"selftests: $$BASENAME_TEST [FAIL]\""; \
> +		echo "(./$$BASENAME_TEST > /dev/null 2>&1 && echo \"selftests: $$BASENAME_TEST [PASS]\") || echo \"selftests: $$BASENAME_TEST [FAIL]\""; \
>  	done;
>  endef
>  
> 

thanks,
-- Shuah