6.6-stable review patch. If anyone has any objections, please let me know.
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From: Ilpo Järvinen ilpo.jarvinen@linux.intel.com
[ Upstream commit 47e36f16c7846bf3627ff68525e02555c53dc99e ]
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@linux.intel.com Tested-by: Shaopeng Tan tan.shaopeng@jp.fujitsu.com Reviewed-by: Reinette Chatre reinette.chatre@intel.com Reviewed-by: Shaopeng Tan tan.shaopeng@jp.fujitsu.com Reviewed-by: "Wieczor-Retman, Maciej" maciej.wieczor-retman@intel.com Signed-off-by: Shuah Khan skhan@linuxfoundation.org Stable-dep-of: 3aff51464455 ("selftests/resctrl: Extend signal handler coverage to unmount on receiving signal") Signed-off-by: Sasha Levin sashal@kernel.org --- 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 c7d1ec6d81ea8..c5c0588779d2b 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 d0c26a5e89fb9..724412186d636 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 9e46fa90e7be7..df75c89060329 100644 --- a/tools/testing/selftests/resctrl/resctrl.h +++ b/tools/testing/selftests/resctrl/resctrl.h @@ -93,10 +93,10 @@ 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 59a361660d8c8..116f67d833f75 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;
@@ -90,7 +89,7 @@ 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"); @@ -99,7 +98,7 @@ 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;
@@ -118,7 +117,7 @@ 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: @@ -179,9 +178,9 @@ 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; @@ -284,9 +283,6 @@ 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");
@@ -298,10 +294,10 @@ 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);