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Message-Id: <20230831110843.26719-4-ilpo.jarvinen@linux.intel.com>
Date: Thu, 31 Aug 2023 14:08:38 +0300
From: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To: Reinette Chatre <reinette.chatre@...el.com>,
Shuah Khan <skhan@...uxfoundation.org>,
linux-kselftest@...r.kernel.org, Shuah Khan <shuah@...nel.org>,
Maciej Wieczor-Retman <maciej.wieczor-retman@...el.com>,
Shaopeng Tan <tan.shaopeng@...fujitsu.com>
Cc: Fenghua Yu <fenghua.yu@...el.com>, Babu Moger <babu.moger@....com>,
LKML <linux-kernel@...r.kernel.org>,
Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Subject: [PATCH v4 3/8] selftests/resctrl: Remove bw_report and bm_type from main()
bw_report is always set to "reads" and bm_type is set to "fill_buf" but
is never used.
Set bw_report directly to "reads" in MBA/MBM test and remove bm_type.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Tested-by: Shaopeng Tan <tan.shaopeng@...fujitsu.com>
Reviewed-by: Reinette Chatre <reinette.chatre@...el.com>
Reviewed-by: Shaopeng Tan <tan.shaopeng@...fujitsu.com>
---
tools/testing/selftests/resctrl/mba_test.c | 4 ++--
tools/testing/selftests/resctrl/mbm_test.c | 4 ++--
tools/testing/selftests/resctrl/resctrl.h | 4 ++--
.../testing/selftests/resctrl/resctrl_tests.c | 18 +++++++-----------
4 files changed, 13 insertions(+), 17 deletions(-)
diff --git a/tools/testing/selftests/resctrl/mba_test.c b/tools/testing/selftests/resctrl/mba_test.c
index 4d2f145804b8..094424d835d0 100644
--- a/tools/testing/selftests/resctrl/mba_test.c
+++ b/tools/testing/selftests/resctrl/mba_test.c
@@ -141,7 +141,7 @@ void mba_test_cleanup(void)
remove(RESULT_FILE_NAME);
}
-int mba_schemata_change(int cpu_no, char *bw_report, char **benchmark_cmd)
+int mba_schemata_change(int cpu_no, char **benchmark_cmd)
{
struct resctrl_val_param param = {
.resctrl_val = MBA_STR,
@@ -149,7 +149,7 @@ int mba_schemata_change(int cpu_no, char *bw_report, char **benchmark_cmd)
.mongrp = "m1",
.cpu_no = cpu_no,
.filename = RESULT_FILE_NAME,
- .bw_report = bw_report,
+ .bw_report = "reads",
.setup = mba_setup
};
int ret;
diff --git a/tools/testing/selftests/resctrl/mbm_test.c b/tools/testing/selftests/resctrl/mbm_test.c
index c7de6f5977f6..3e4a800e0e40 100644
--- a/tools/testing/selftests/resctrl/mbm_test.c
+++ b/tools/testing/selftests/resctrl/mbm_test.c
@@ -109,7 +109,7 @@ void mbm_test_cleanup(void)
remove(RESULT_FILE_NAME);
}
-int mbm_bw_change(size_t span, int cpu_no, char *bw_report, char **benchmark_cmd)
+int mbm_bw_change(size_t span, int cpu_no, char **benchmark_cmd)
{
struct resctrl_val_param param = {
.resctrl_val = MBM_STR,
@@ -118,7 +118,7 @@ int mbm_bw_change(size_t span, int cpu_no, char *bw_report, char **benchmark_cmd
.span = span,
.cpu_no = cpu_no,
.filename = RESULT_FILE_NAME,
- .bw_report = bw_report,
+ .bw_report = "reads",
.setup = mbm_setup
};
int ret;
diff --git a/tools/testing/selftests/resctrl/resctrl.h b/tools/testing/selftests/resctrl/resctrl.h
index 838d1a438f33..f3446ac664c2 100644
--- a/tools/testing/selftests/resctrl/resctrl.h
+++ b/tools/testing/selftests/resctrl/resctrl.h
@@ -98,10 +98,10 @@ int perf_event_open(struct perf_event_attr *hw_event, pid_t pid, int cpu,
int group_fd, unsigned long flags);
int run_fill_buf(size_t span, int memflush, int op, bool once);
int resctrl_val(char **benchmark_cmd, struct resctrl_val_param *param);
-int mbm_bw_change(size_t span, int cpu_no, char *bw_report, char **benchmark_cmd);
+int mbm_bw_change(size_t span, int cpu_no, char **benchmark_cmd);
void tests_cleanup(void);
void mbm_test_cleanup(void);
-int mba_schemata_change(int cpu_no, char *bw_report, char **benchmark_cmd);
+int mba_schemata_change(int cpu_no, char **benchmark_cmd);
void mba_test_cleanup(void);
int get_cbm_mask(char *cache_type, char *cbm_mask);
int get_cache_size(int cpu_no, char *cache_type, unsigned long *cache_size);
diff --git a/tools/testing/selftests/resctrl/resctrl_tests.c b/tools/testing/selftests/resctrl/resctrl_tests.c
index ca973532e8e6..7028ff1b8f41 100644
--- a/tools/testing/selftests/resctrl/resctrl_tests.c
+++ b/tools/testing/selftests/resctrl/resctrl_tests.c
@@ -70,8 +70,7 @@ void tests_cleanup(void)
cat_test_cleanup();
}
-static void run_mbm_test(char **benchmark_cmd, size_t span,
- int cpu_no, char *bw_report)
+static void run_mbm_test(char **benchmark_cmd, size_t span, int cpu_no)
{
int res;
@@ -88,7 +87,7 @@ static void run_mbm_test(char **benchmark_cmd, size_t span,
goto umount;
}
- res = mbm_bw_change(span, cpu_no, bw_report, benchmark_cmd);
+ res = mbm_bw_change(span, cpu_no, benchmark_cmd);
ksft_test_result(!res, "MBM: bw change\n");
if ((get_vendor() == ARCH_INTEL) && res)
ksft_print_msg("Intel MBM may be inaccurate when Sub-NUMA Clustering is enabled. Check BIOS configuration.\n");
@@ -97,7 +96,7 @@ static void run_mbm_test(char **benchmark_cmd, size_t span,
umount_resctrlfs();
}
-static void run_mba_test(char **benchmark_cmd, int cpu_no, char *bw_report)
+static void run_mba_test(char **benchmark_cmd, int cpu_no)
{
int res;
@@ -114,7 +113,7 @@ static void run_mba_test(char **benchmark_cmd, int cpu_no, char *bw_report)
goto umount;
}
- res = mba_schemata_change(cpu_no, bw_report, benchmark_cmd);
+ res = mba_schemata_change(cpu_no, benchmark_cmd);
ksft_test_result(!res, "MBA: schemata change\n");
umount:
@@ -174,9 +173,9 @@ static void run_cat_test(int cpu_no, int no_of_bits)
int main(int argc, char **argv)
{
bool has_ben = false, mbm_test = true, mba_test = true, cmt_test = true;
- char *benchmark_cmd[BENCHMARK_ARGS], bw_report[64], bm_type[64];
char benchmark_cmd_area[BENCHMARK_ARGS][BENCHMARK_ARG_SIZE];
int c, cpu_no = 1, argc_new = argc, i, no_of_bits = 0;
+ char *benchmark_cmd[BENCHMARK_ARGS];
int ben_ind, ben_count, tests = 0;
size_t span = 250 * MB;
bool cat_test = true;
@@ -279,9 +278,6 @@ int main(int argc, char **argv)
benchmark_cmd[5] = NULL;
}
- sprintf(bw_report, "reads");
- sprintf(bm_type, "fill_buf");
-
if (!check_resctrlfs_support())
return ksft_exit_skip("resctrl FS does not exist. Enable X86_CPU_RESCTRL config option.\n");
@@ -293,10 +289,10 @@ int main(int argc, char **argv)
ksft_set_plan(tests ? : 4);
if (mbm_test)
- run_mbm_test(benchmark_cmd, span, cpu_no, bw_report);
+ run_mbm_test(benchmark_cmd, span, cpu_no);
if (mba_test)
- run_mba_test(benchmark_cmd, cpu_no, bw_report);
+ run_mba_test(benchmark_cmd, cpu_no);
if (cmt_test)
run_cmt_test(benchmark_cmd, cpu_no);
--
2.30.2
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