linux-kernel - Re: [PATCH] selftests: x86: conform test to TAP format output

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Date: Mon, 22 Apr 2024 17:38:02 +0500
From: Muhammad Usama Anjum <usama.anjum@...labora.com>
To: Shuah Khan <shuah@...nel.org>
Cc: Muhammad Usama Anjum <usama.anjum@...labora.com>, kernel@...labora.com,
 linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] selftests: x86: conform test to TAP format output

Reminder

On 4/14/24 6:21 PM, Muhammad Usama Anjum wrote:
> Soft reminder for this patch
> 
> On 3/7/24 11:37 PM, Muhammad Usama Anjum wrote:
>> Conform the layout, informational and status messages to TAP. No
>> functional change is intended other than the layout of output messages.
>>
>> Signed-off-by: Muhammad Usama Anjum <usama.anjum@...labora.com>
>> ---
>>  tools/testing/selftests/x86/vdso_restorer.c | 29 +++++++++------------
>>  1 file changed, 12 insertions(+), 17 deletions(-)
>>
>> diff --git a/tools/testing/selftests/x86/vdso_restorer.c b/tools/testing/selftests/x86/vdso_restorer.c
>> index fe99f24341554..f621167424a9c 100644
>> --- a/tools/testing/selftests/x86/vdso_restorer.c
>> +++ b/tools/testing/selftests/x86/vdso_restorer.c
>> @@ -21,6 +21,7 @@
>>  #include <unistd.h>
>>  #include <syscall.h>
>>  #include <sys/syscall.h>
>> +#include "../kselftest.h"
>>  
>>  /* Open-code this -- the headers are too messy to easily use them. */
>>  struct real_sigaction {
>> @@ -44,17 +45,19 @@ static void handler_without_siginfo(int sig)
>>  
>>  int main()
>>  {
>> -	int nerrs = 0;
>>  	struct real_sigaction sa;
>>  
>> +	ksft_print_header();
>> +	ksft_set_plan(2);
>> +
>>  	void *vdso = dlopen("linux-vdso.so.1",
>>  			    RTLD_LAZY | RTLD_LOCAL | RTLD_NOLOAD);
>>  	if (!vdso)
>>  		vdso = dlopen("linux-gate.so.1",
>>  			      RTLD_LAZY | RTLD_LOCAL | RTLD_NOLOAD);
>>  	if (!vdso) {
>> -		printf("[SKIP]\tFailed to find vDSO.  Tests are not expected to work.\n");
>> -		return 0;
>> +		ksft_print_msg("[SKIP]\tFailed to find vDSO. Tests are not expected to work.\n");
>> +		return KSFT_SKIP;
>>  	}
>>  
>>  	memset(&sa, 0, sizeof(sa));
>> @@ -62,21 +65,16 @@ int main()
>>  	sa.flags = SA_SIGINFO;
>>  	sa.restorer = NULL;	/* request kernel-provided restorer */
>>  
>> -	printf("[RUN]\tRaise a signal, SA_SIGINFO, sa.restorer == NULL\n");
>> +	ksft_print_msg("Raise a signal, SA_SIGINFO, sa.restorer == NULL\n");
>>  
>>  	if (syscall(SYS_rt_sigaction, SIGUSR1, &sa, NULL, 8) != 0)
>>  		err(1, "raw rt_sigaction syscall");
>>  
>>  	raise(SIGUSR1);
>>  
>> -	if (handler_called) {
>> -		printf("[OK]\tSA_SIGINFO handler returned successfully\n");
>> -	} else {
>> -		printf("[FAIL]\tSA_SIGINFO handler was not called\n");
>> -		nerrs++;
>> -	}
>> +	ksft_test_result(handler_called, "SA_SIGINFO handler returned\n");
>>  
>> -	printf("[RUN]\tRaise a signal, !SA_SIGINFO, sa.restorer == NULL\n");
>> +	ksft_print_msg("Raise a signal, !SA_SIGINFO, sa.restorer == NULL\n");
>>  
>>  	sa.flags = 0;
>>  	sa.handler = handler_without_siginfo;
>> @@ -86,10 +84,7 @@ int main()
>>  
>>  	raise(SIGUSR1);
>>  
>> -	if (handler_called) {
>> -		printf("[OK]\t!SA_SIGINFO handler returned successfully\n");
>> -	} else {
>> -		printf("[FAIL]\t!SA_SIGINFO handler was not called\n");
>> -		nerrs++;
>> -	}
>> +	ksft_test_result(handler_called, "SA_SIGINFO handler returned\n");
>> +
>> +	ksft_finished();
>>  }
> 

-- 
BR,
Muhammad Usama Anjum