linux-kernel - Re: [PATCH v2 07/24] selftests/resctrl: Remove duplicated preparation for span arg

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Message-ID: <fe28574-eb8-28a-1189-7bd470a8bcb@linux.intel.com>
Date:   Mon, 24 Apr 2023 18:41:56 +0300 (EEST)
From:   Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To:     Reinette Chatre <reinette.chatre@...el.com>
cc:     Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
        linux-kselftest@...r.kernel.org, Fenghua Yu <fenghua.yu@...el.com>,
        Shuah Khan <shuah@...nel.org>, linux-kernel@...r.kernel.org,
        Shaopeng Tan <tan.shaopeng@...fujitsu.com>
Subject: Re: [PATCH v2 07/24] selftests/resctrl: Remove duplicated preparation
 for span arg

On Fri, 21 Apr 2023, Reinette Chatre wrote:

> On 4/18/2023 4:44 AM, Ilpo Järvinen wrote:
> > When no benchmark_cmd is given, benchmark_cmd[1] is set to span in
> > main(). There's no need to do it again in run_mba_test().
> > 
> > Remove the duplicated preparation for span argument into
> > benchmark_cmd[1] from run_mba_test(). It enables also removing has_ben
> > argument from run_mba_test() as unnecessary.
> 
> I find the last sentence a bit hard to read. How about
> "After this, the has_ben argument to run_mba_test() can be removed.".
> 
> > 
> > Co-developed-by: Fenghua Yu <fenghua.yu@...el.com>
> > Signed-off-by: Fenghua Yu <fenghua.yu@...el.com>
> > Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
> > ---
> >  tools/testing/selftests/resctrl/resctrl_tests.c | 8 +++-----
> >  1 file changed, 3 insertions(+), 5 deletions(-)
> > 
> > diff --git a/tools/testing/selftests/resctrl/resctrl_tests.c b/tools/testing/selftests/resctrl/resctrl_tests.c
> > index f1ed2c89f228..3c8ec68eb507 100644
> > --- a/tools/testing/selftests/resctrl/resctrl_tests.c
> > +++ b/tools/testing/selftests/resctrl/resctrl_tests.c
> > @@ -99,8 +99,8 @@ static void run_mbm_test(bool has_ben, char **benchmark_cmd, unsigned long span,
> >  	umount_resctrlfs();
> >  }
> >  
> > -static void run_mba_test(bool has_ben, char **benchmark_cmd, unsigned long span,
> > -			 int cpu_no, char *bw_report)
> > +static void run_mba_test(char **benchmark_cmd, unsigned long span, int cpu_no,
> > +			 char *bw_report)
> >  {
> >  	int res;
> >  
> > @@ -117,8 +117,6 @@ static void run_mba_test(bool has_ben, char **benchmark_cmd, unsigned long span,
> >  		goto umount;
> >  	}
> >  
> > -	if (!has_ben)
> > -		sprintf(benchmark_cmd[1], "%lu", span);
> 
> Can "span" also be removed?

Yes.


-- 
 i.