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Message-Id: <20230713131932.133258-17-ilpo.jarvinen@linux.intel.com>
Date: Thu, 13 Jul 2023 16:19:29 +0300
From: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To: linux-kselftest@...r.kernel.org,
Reinette Chatre <reinette.chatre@...el.com>,
Shuah Khan <shuah@...nel.org>,
Shaopeng Tan <tan.shaopeng@...fujitsu.com>,
Fenghua Yu <fenghua.yu@...el.com>, linux-kernel@...r.kernel.org
Cc: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Subject: [PATCH v4 16/19] selftests/resctrl: Don't use variable argument list for ->setup()
struct resctrl_val_param has ->setup() function that accepts variable
argument list. All test cases use only 1 argument as input and it's
the struct resctrl_val_param pointer.
Instead of variable argument list, directly pass struct
resctrl_val_param pointer as the only parameter to ->setup().
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/cache.c | 2 +-
tools/testing/selftests/resctrl/cat_test.c | 8 +-------
tools/testing/selftests/resctrl/cmt_test.c | 9 +--------
tools/testing/selftests/resctrl/mba_test.c | 8 +-------
tools/testing/selftests/resctrl/mbm_test.c | 8 +-------
tools/testing/selftests/resctrl/resctrl.h | 3 +--
tools/testing/selftests/resctrl/resctrl_val.c | 2 +-
7 files changed, 7 insertions(+), 33 deletions(-)
diff --git a/tools/testing/selftests/resctrl/cache.c b/tools/testing/selftests/resctrl/cache.c
index bf758f2e5578..385c01dd3ec6 100644
--- a/tools/testing/selftests/resctrl/cache.c
+++ b/tools/testing/selftests/resctrl/cache.c
@@ -237,7 +237,7 @@ int cat_val(struct resctrl_val_param *param)
/* Test runs until the callback setup() tells the test to stop. */
while (1) {
if (!strncmp(resctrl_val, CAT_STR, sizeof(CAT_STR))) {
- ret = param->setup(1, param);
+ ret = param->setup(param);
if (ret == END_OF_TESTS) {
ret = 0;
break;
diff --git a/tools/testing/selftests/resctrl/cat_test.c b/tools/testing/selftests/resctrl/cat_test.c
index 480db0dc4e0e..42e35269d8b6 100644
--- a/tools/testing/selftests/resctrl/cat_test.c
+++ b/tools/testing/selftests/resctrl/cat_test.c
@@ -27,17 +27,11 @@ static unsigned long cache_size;
* con_mon grp, mon_grp in resctrl FS.
* Run 5 times in order to get average values.
*/
-static int cat_setup(int num, ...)
+static int cat_setup(struct resctrl_val_param *p)
{
- struct resctrl_val_param *p;
char schemata[64];
- va_list param;
int ret = 0;
- va_start(param, num);
- p = va_arg(param, struct resctrl_val_param *);
- va_end(param);
-
/* Run NUM_OF_RUNS times */
if (p->num_of_runs >= NUM_OF_RUNS)
return END_OF_TESTS;
diff --git a/tools/testing/selftests/resctrl/cmt_test.c b/tools/testing/selftests/resctrl/cmt_test.c
index beb0f0687c6d..7214aefb55ed 100644
--- a/tools/testing/selftests/resctrl/cmt_test.c
+++ b/tools/testing/selftests/resctrl/cmt_test.c
@@ -21,15 +21,8 @@ static char cbm_mask[256];
static unsigned long long_mask;
static unsigned long cache_size;
-static int cmt_setup(int num, ...)
+static int cmt_setup(struct resctrl_val_param *p)
{
- struct resctrl_val_param *p;
- va_list param;
-
- va_start(param, num);
- p = va_arg(param, struct resctrl_val_param *);
- va_end(param);
-
/* Run NUM_OF_RUNS times */
if (p->num_of_runs >= NUM_OF_RUNS)
return END_OF_TESTS;
diff --git a/tools/testing/selftests/resctrl/mba_test.c b/tools/testing/selftests/resctrl/mba_test.c
index 3d53c6c9b9ce..4d2f145804b8 100644
--- a/tools/testing/selftests/resctrl/mba_test.c
+++ b/tools/testing/selftests/resctrl/mba_test.c
@@ -22,18 +22,12 @@
* con_mon grp, mon_grp in resctrl FS.
* For each allocation, run 5 times in order to get average values.
*/
-static int mba_setup(int num, ...)
+static int mba_setup(struct resctrl_val_param *p)
{
static int runs_per_allocation, allocation = 100;
- struct resctrl_val_param *p;
char allocation_str[64];
- va_list param;
int ret;
- va_start(param, num);
- p = va_arg(param, struct resctrl_val_param *);
- va_end(param);
-
if (runs_per_allocation >= NUM_OF_RUNS)
runs_per_allocation = 0;
diff --git a/tools/testing/selftests/resctrl/mbm_test.c b/tools/testing/selftests/resctrl/mbm_test.c
index 2d58d4b8a918..c7de6f5977f6 100644
--- a/tools/testing/selftests/resctrl/mbm_test.c
+++ b/tools/testing/selftests/resctrl/mbm_test.c
@@ -86,16 +86,10 @@ static int check_results(size_t span)
return ret;
}
-static int mbm_setup(int num, ...)
+static int mbm_setup(struct resctrl_val_param *p)
{
- struct resctrl_val_param *p;
- va_list param;
int ret = 0;
- va_start(param, num);
- p = va_arg(param, struct resctrl_val_param *);
- va_end(param);
-
/* Run NUM_OF_RUNS times */
if (p->num_of_runs >= NUM_OF_RUNS)
return END_OF_TESTS;
diff --git a/tools/testing/selftests/resctrl/resctrl.h b/tools/testing/selftests/resctrl/resctrl.h
index 645ad407bd8d..838d1a438f33 100644
--- a/tools/testing/selftests/resctrl/resctrl.h
+++ b/tools/testing/selftests/resctrl/resctrl.h
@@ -3,7 +3,6 @@
#ifndef RESCTRL_H
#define RESCTRL_H
#include <stdio.h>
-#include <stdarg.h>
#include <math.h>
#include <errno.h>
#include <sched.h>
@@ -68,7 +67,7 @@ struct resctrl_val_param {
char *bw_report;
unsigned long mask;
int num_of_runs;
- int (*setup)(int num, ...);
+ int (*setup)(struct resctrl_val_param *param);
};
#define MBM_STR "mbm"
diff --git a/tools/testing/selftests/resctrl/resctrl_val.c b/tools/testing/selftests/resctrl/resctrl_val.c
index e8f1e6a59f4a..f0f6c5f6e98b 100644
--- a/tools/testing/selftests/resctrl/resctrl_val.c
+++ b/tools/testing/selftests/resctrl/resctrl_val.c
@@ -759,7 +759,7 @@ int resctrl_val(char **benchmark_cmd, struct resctrl_val_param *param)
/* Test runs until the callback setup() tells the test to stop. */
while (1) {
- ret = param->setup(1, param);
+ ret = param->setup(param);
if (ret == END_OF_TESTS) {
ret = 0;
break;
--
2.30.2
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