linux-kernel - Re: [PATCH 2/3] ktest: check parent options for a repeated test

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Date:	Fri, 18 Nov 2011 10:38:57 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Rabin Vincent <rabin@....in>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] ktest: check parent options for a repeated test

On Fri, 2011-11-18 at 17:05 +0530, Rabin Vincent wrote:
> Let's say we have "OUTPUT_DIR = build/${TEST_NAME}", and we're iterating
> a test.  In the second iteration of a test, the TEST_NAME of the test
> we're repeating is not used.  Instead, ${TEST_NAME} appears literally:
> 
>    touch /home/rabin/kernel/test/build/${TEST_NAME}/.config ... SUCCESS
> 
> Fix this by making __eval_option() check the parent test options
> for a repeated test.

Nice catch! I missed this. I'll give it a test run, and if all is fine,
I'll pull it in. Thanks.

This looks like a bug fix, so I may even push this to Linus now.

Thanks!

-- Steve

> Signed-off-by: Rabin Vincent <rabin@....in>
> ---
>  tools/testing/ktest/ktest.pl |   16 ++++++++++++++++
>  1 files changed, 16 insertions(+), 0 deletions(-)
> 
> diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
> index 3185e0a..e93c21c 100755
> --- a/tools/testing/ktest/ktest.pl
> +++ b/tools/testing/ktest/ktest.pl
> @@ -748,6 +748,18 @@ sub __eval_option {
>      # Add space to evaluate the character before $
>      $option = " $option";
>      my $retval = "";
> +    my $repeated = 0;
> +    my $parent = 0;
> +
> +    foreach my $test (keys %repeat_tests) {
> +	if ($i >= $test &&
> +	    $i < $test + $repeat_tests{$test}) {
> +
> +	    $repeated = 1;
> +	    $parent = $test;
> +	    last;
> +	}
> +    }
>  
>      while ($option =~ /(.*?[^\\])\$\{(.*?)\}(.*)/) {
>  	my $start = $1;
> @@ -761,10 +773,14 @@ sub __eval_option {
>  	# otherwise see if the default OPT (without [$i]) exists.
>  
>  	my $o = "$var\[$i\]";
> +	my $parento = "$var\[$parent\]";
>  
>  	if (defined($opt{$o})) {
>  	    $o = $opt{$o};
>  	    $retval = "$retval$o";
> +	} elsif ($repeated && defined($opt{$parento})) {
> +	    $o = $opt{$parento};
> +	    $retval = "$retval$o";
>  	} elsif (defined($opt{$var})) {
>  	    $o = $opt{$var};
>  	    $retval = "$retval$o";


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