diff options
Diffstat (limited to 'tools/testing/selftests/resctrl/resctrl_tests.c')
-rw-r--r-- | tools/testing/selftests/resctrl/resctrl_tests.c | 83 |
1 files changed, 57 insertions, 26 deletions
diff --git a/tools/testing/selftests/resctrl/resctrl_tests.c b/tools/testing/selftests/resctrl/resctrl_tests.c index 9b9751206e1c..d511daeb6851 100644 --- a/tools/testing/selftests/resctrl/resctrl_tests.c +++ b/tools/testing/selftests/resctrl/resctrl_tests.c @@ -70,60 +70,81 @@ void tests_cleanup(void) cat_test_cleanup(); } -static void run_mbm_test(bool has_ben, char **benchmark_cmd, int span, +static void run_mbm_test(char **benchmark_cmd, size_t span, int cpu_no, char *bw_report) { int res; ksft_print_msg("Starting MBM BW change ...\n"); + res = mount_resctrlfs(); + if (res) { + ksft_exit_fail_msg("Failed to mount resctrl FS\n"); + return; + } + if (!validate_resctrl_feature_request(MBM_STR) || (get_vendor() != ARCH_INTEL)) { ksft_test_result_skip("Hardware does not support MBM or MBM is disabled\n"); - return; + goto umount; } - if (!has_ben) - sprintf(benchmark_cmd[5], "%s", MBA_STR); res = mbm_bw_change(span, cpu_no, bw_report, 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"); + +umount: + umount_resctrlfs(); } -static void run_mba_test(bool has_ben, char **benchmark_cmd, int span, - int cpu_no, char *bw_report) +static void run_mba_test(char **benchmark_cmd, int cpu_no, char *bw_report) { int res; ksft_print_msg("Starting MBA Schemata change ...\n"); + res = mount_resctrlfs(); + if (res) { + ksft_exit_fail_msg("Failed to mount resctrl FS\n"); + return; + } + if (!validate_resctrl_feature_request(MBA_STR) || (get_vendor() != ARCH_INTEL)) { ksft_test_result_skip("Hardware does not support MBA or MBA is disabled\n"); - return; + goto umount; } - if (!has_ben) - sprintf(benchmark_cmd[1], "%d", span); res = mba_schemata_change(cpu_no, bw_report, benchmark_cmd); ksft_test_result(!res, "MBA: schemata change\n"); + +umount: + umount_resctrlfs(); } -static void run_cmt_test(bool has_ben, char **benchmark_cmd, int cpu_no) +static void run_cmt_test(char **benchmark_cmd, int cpu_no) { int res; ksft_print_msg("Starting CMT test ...\n"); + + res = mount_resctrlfs(); + if (res) { + ksft_exit_fail_msg("Failed to mount resctrl FS\n"); + return; + } + if (!validate_resctrl_feature_request(CMT_STR)) { ksft_test_result_skip("Hardware does not support CMT or CMT is disabled\n"); - return; + goto umount; } - if (!has_ben) - sprintf(benchmark_cmd[5], "%s", CMT_STR); res = cmt_resctrl_val(cpu_no, 5, benchmark_cmd); ksft_test_result(!res, "CMT: test\n"); if ((get_vendor() == ARCH_INTEL) && res) ksft_print_msg("Intel CMT may be inaccurate when Sub-NUMA Clustering is enabled. Check BIOS configuration.\n"); + +umount: + umount_resctrlfs(); } static void run_cat_test(int cpu_no, int no_of_bits) @@ -132,22 +153,32 @@ static void run_cat_test(int cpu_no, int no_of_bits) ksft_print_msg("Starting CAT test ...\n"); + res = mount_resctrlfs(); + if (res) { + ksft_exit_fail_msg("Failed to mount resctrl FS\n"); + return; + } + if (!validate_resctrl_feature_request(CAT_STR)) { ksft_test_result_skip("Hardware does not support CAT or CAT is disabled\n"); - return; + goto umount; } res = cat_perf_miss_val(cpu_no, no_of_bits, "L3"); ksft_test_result(!res, "CAT: test\n"); + +umount: + umount_resctrlfs(); } int main(int argc, char **argv) { bool has_ben = false, mbm_test = true, mba_test = true, cmt_test = true; - int c, cpu_no = 1, span = 250, argc_new = argc, i, no_of_bits = 0; 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; int ben_ind, ben_count, tests = 0; + size_t span = 250 * MB; bool cat_test = true; for (i = 0; i < argc; i++) { @@ -232,16 +263,15 @@ int main(int argc, char **argv) benchmark_cmd[ben_count] = NULL; } else { /* If no benchmark is given by "-b" argument, use fill_buf. */ - for (i = 0; i < 6; i++) + for (i = 0; i < 5; i++) benchmark_cmd[i] = benchmark_cmd_area[i]; strcpy(benchmark_cmd[0], "fill_buf"); - sprintf(benchmark_cmd[1], "%d", span); + sprintf(benchmark_cmd[1], "%zu", span); strcpy(benchmark_cmd[2], "1"); - strcpy(benchmark_cmd[3], "1"); - strcpy(benchmark_cmd[4], "0"); - strcpy(benchmark_cmd[5], ""); - benchmark_cmd[6] = NULL; + strcpy(benchmark_cmd[3], "0"); + strcpy(benchmark_cmd[4], "false"); + benchmark_cmd[5] = NULL; } sprintf(bw_report, "reads"); @@ -250,23 +280,24 @@ int main(int argc, char **argv) if (!check_resctrlfs_support()) return ksft_exit_skip("resctrl FS does not exist. Enable X86_CPU_RESCTRL config option.\n"); + if (umount_resctrlfs()) + return ksft_exit_skip("resctrl FS unmount failed.\n"); + filter_dmesg(); ksft_set_plan(tests ? : 4); if (mbm_test) - run_mbm_test(has_ben, benchmark_cmd, span, cpu_no, bw_report); + run_mbm_test(benchmark_cmd, span, cpu_no, bw_report); if (mba_test) - run_mba_test(has_ben, benchmark_cmd, span, cpu_no, bw_report); + run_mba_test(benchmark_cmd, cpu_no, bw_report); if (cmt_test) - run_cmt_test(has_ben, benchmark_cmd, cpu_no); + run_cmt_test(benchmark_cmd, cpu_no); if (cat_test) run_cat_test(cpu_no, no_of_bits); - umount_resctrlfs(); - ksft_finished(); } |