linux-kernel - Re: [PATCH v2 08/13] selftests/resctrl: Add ->init() callback into resctrl_val

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Date: Thu, 14 Mar 2024 18:09:48 +0200 (EET)
From: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To: Maciej Wieczor-Retman <maciej.wieczor-retman@...el.com>
cc: linux-kselftest@...r.kernel.org, 
    Reinette Chatre <reinette.chatre@...el.com>, Shuah Khan <shuah@...nel.org>, 
    Babu Moger <babu.moger@....com>, Fenghua Yu <fenghua.yu@...el.com>, 
    LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 08/13] selftests/resctrl: Add ->init() callback into
 resctrl_val_param

On Thu, 14 Mar 2024, Maciej Wieczor-Retman wrote:
> On 2024-03-11 at 15:52:25 +0200, Ilpo Järvinen wrote:
> >diff --git a/tools/testing/selftests/resctrl/mbm_test.c b/tools/testing/selftests/resctrl/mbm_test.c
> >index 17398cd3aace..ffbfcecf9bd6 100644
> >--- a/tools/testing/selftests/resctrl/mbm_test.c
> >+++ b/tools/testing/selftests/resctrl/mbm_test.c
> >@@ -8,12 +8,19 @@
> >  *    Sai Praneeth Prakhya <sai.praneeth.prakhya@...el.com>,
> >  *    Fenghua Yu <fenghua.yu@...el.com>
> >  */
> >+#include <limits.h>
> >+
> > #include "resctrl.h"
> > 
> > #define RESULT_FILE_NAME	"result_mbm"
> > #define MAX_DIFF_PERCENT	8
> > #define NUM_OF_RUNS		5
> > 
> >+#define CON_MON_MBM_LOCAL_BYTES_PATH \
> >+	"%s/%s/mon_groups/%s/mon_data/mon_L3_%02d/mbm_local_bytes"
> >+
> >+static char mbm_total_path[PATH_MAX];
> >+
> > static int
> > show_bw_info(unsigned long *bw_imc, unsigned long *bw_resc, size_t span)
> > {
> >@@ -86,6 +93,20 @@ static int check_results(size_t span)
> > 	return ret;
> > }
> > 
> >+static int set_mbm_path(const struct resctrl_val_param *param, int domain_id)
> >+{
> >+	int ret;
> >+
> >+	ret = initialize_mem_bw_imc();
> 
> I just noticed this. Since there is not only path stuff here but also some imc
> logic maybe the function names could be changed? Something like
> 
> 	set_mbm_path -> init_mbm
> 
> The same could apply for all these init functions or at least the mba one.

Ah yes, I'll rename them.

-- 
 i.