[v3,09/19] selftests/resctrl: Convert span to size_t

Message ID	20230605180145.112924-10-ilpo.jarvinen@linux.intel.com (mailing list archive)
State	Accepted
Commit	67a86643db2b12408430d1d627b3dc6208f06765
Headers	show Return-Path: <linux-kselftest-owner@vger.kernel.org> From: =?utf-8?q?Ilpo_J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com> To: linux-kselftest@vger.kernel.org, Reinette Chatre <reinette.chatre@intel.com>, Shuah Khan <shuah@kernel.org>, Shaopeng Tan <tan.shaopeng@jp.fujitsu.com>, Fenghua Yu <fenghua.yu@intel.com>, linux-kernel@vger.kernel.org Cc: =?utf-8?q?Ilpo_J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com> Subject: [PATCH v3 09/19] selftests/resctrl: Convert span to size_t Date: Mon, 5 Jun 2023 21:01:35 +0300 Message-Id: <20230605180145.112924-10-ilpo.jarvinen@linux.intel.com> In-Reply-To: <20230605180145.112924-1-ilpo.jarvinen@linux.intel.com> References: <20230605180145.112924-1-ilpo.jarvinen@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	selftests/resctrl: Fixes and cleanups \| expand [v3,00/19] selftests/resctrl: Fixes and cleanups [v3,01/19] selftests/resctrl: Add resctrl.h into build deps [v3,02/19] selftests/resctrl: Don't leak buffer in fill_cache() [v3,03/19] selftests/resctrl: Unmount resctrl FS if child fails to run benchmark [v3,04/19] selftests/resctrl: Close perf value read fd on errors [v3,05/19] selftests/resctrl: Unmount resctrl FS before starting the first test [v3,06/19] selftests/resctrl: Move resctrl FS mount/umount to higher level [v3,07/19] selftests/resctrl: Refactor remount_resctrl(bool mum_resctrlfs) to mount_resctrl() [v3,08/19] selftests/resctrl: Remove mum_resctrlfs from struct resctrl_val_param [v3,09/19] selftests/resctrl: Convert span to size_t [v3,10/19] selftests/resctrl: Express span internally in bytes [v3,11/19] selftests/resctrl: Remove duplicated preparation for span arg [v3,12/19] selftests/resctrl: Remove "malloc_and_init_memory" param from run_fill_buf() [v3,13/19] selftests/resctrl: Remove unnecessary startptr global from fill_buf [v3,14/19] selftests/resctrl: Improve parameter consistency in fill_buf [v3,15/19] selftests/resctrl: Don't pass test name to fill_buf [v3,16/19] selftests/resctrl: Don't use variable argument list for ->setup() [v3,17/19] selftests/resctrl: Move CAT/CMT test global vars to function they are used in [v3,18/19] selftests/resctrl: Pass the real number of tests to show_cache_info() [v3,19/19] selftests/resctrl: Remove test type checks from cat_val()

diff --git a/tools/testing/selftests/resctrl/cache.c b/tools/testing/selftests/resctrl/cache.c index ced47b445d1e..f2c7d322bd76 100644 --- a/tools/testing/selftests/resctrl/cache.c +++ b/tools/testing/selftests/resctrl/cache.c @@ -282,7 +282,7 @@ int cat_val(struct resctrl_val_param *param) * Return: 0 on success. non-zero on failure. */ int show_cache_info(unsigned long sum_llc_val, int no_of_bits, - unsigned long cache_span, unsigned long max_diff, + size_t cache_span, unsigned long max_diff, unsigned long max_diff_percent, unsigned long num_of_runs, bool platform, bool cmt) { @@ -304,7 +304,7 @@ int show_cache_info(unsigned long sum_llc_val, int no_of_bits, ksft_print_msg("Percent diff=%d\n", abs((int)diff_percent)); ksft_print_msg("Number of bits: %d\n", no_of_bits); ksft_print_msg("Average LLC val: %lu\n", avg_llc_val); - ksft_print_msg("Cache span (%s): %lu\n", cmt ? "bytes" : "lines", + ksft_print_msg("Cache span (%s): %zu\n", cmt ? "bytes" : "lines", cache_span); return ret; diff --git a/tools/testing/selftests/resctrl/cmt_test.c b/tools/testing/selftests/resctrl/cmt_test.c index d31e28416bb7..beb0f0687c6d 100644 --- a/tools/testing/selftests/resctrl/cmt_test.c +++ b/tools/testing/selftests/resctrl/cmt_test.c @@ -121,7 +121,7 @@ int cmt_resctrl_val(int cpu_no, int n, char **benchmark_cmd) }; if (strcmp(benchmark_cmd[0], "fill_buf") == 0) - sprintf(benchmark_cmd[1], "%lu", param.span); + sprintf(benchmark_cmd[1], "%zu", param.span); remove(RESULT_FILE_NAME); diff --git a/tools/testing/selftests/resctrl/fill_buf.c b/tools/testing/selftests/resctrl/fill_buf.c index 3b328c844896..785cbd8d0148 100644 --- a/tools/testing/selftests/resctrl/fill_buf.c +++ b/tools/testing/selftests/resctrl/fill_buf.c @@ -139,7 +139,7 @@ static int fill_cache_write(unsigned char *start_ptr, unsigned char *end_ptr, } static int -fill_cache(unsigned long long buf_size, int malloc_and_init, int memflush, +fill_cache(size_t buf_size, int malloc_and_init, int memflush, int op, char *resctrl_val) { unsigned char *start_ptr, *end_ptr; @@ -188,10 +188,10 @@ fill_cache(unsigned long long buf_size, int malloc_and_init, int memflush, return 0; } -int run_fill_buf(unsigned long span, int malloc_and_init_memory, - int memflush, int op, char *resctrl_val) +int run_fill_buf(size_t span, int malloc_and_init_memory, int memflush, int op, + char *resctrl_val) { - unsigned long long cache_size = span; + size_t cache_size = span; int ret; ret = fill_cache(cache_size, malloc_and_init_memory, memflush, op, diff --git a/tools/testing/selftests/resctrl/mbm_test.c b/tools/testing/selftests/resctrl/mbm_test.c index 24326cb7bc21..fd116158d008 100644 --- a/tools/testing/selftests/resctrl/mbm_test.c +++ b/tools/testing/selftests/resctrl/mbm_test.c @@ -15,7 +15,7 @@ #define NUM_OF_RUNS 5 static int -show_bw_info(unsigned long *bw_imc, unsigned long *bw_resc, int span) +show_bw_info(unsigned long *bw_imc, unsigned long *bw_resc, size_t span) { unsigned long avg_bw_imc = 0, avg_bw_resc = 0; unsigned long sum_bw_imc = 0, sum_bw_resc = 0; @@ -40,14 +40,14 @@ show_bw_info(unsigned long *bw_imc, unsigned long *bw_resc, int span) ksft_print_msg("%s Check MBM diff within %d%%\n", ret ? "Fail:" : "Pass:", MAX_DIFF_PERCENT); ksft_print_msg("avg_diff_per: %d%%\n", avg_diff_per); - ksft_print_msg("Span (MB): %d\n", span); + ksft_print_msg("Span (MB): %zu\n", span); ksft_print_msg("avg_bw_imc: %lu\n", avg_bw_imc); ksft_print_msg("avg_bw_resc: %lu\n", avg_bw_resc); return ret; } -static int check_results(int span) +static int check_results(size_t span) { unsigned long bw_imc[NUM_OF_RUNS], bw_resc[NUM_OF_RUNS]; char temp[1024], *token_array[8]; @@ -115,7 +115,7 @@ void mbm_test_cleanup(void) remove(RESULT_FILE_NAME); } -int mbm_bw_change(int span, int cpu_no, char *bw_report, char **benchmark_cmd) +int mbm_bw_change(size_t span, int cpu_no, char *bw_report, char **benchmark_cmd) { struct resctrl_val_param param = { .resctrl_val = MBM_STR, diff --git a/tools/testing/selftests/resctrl/resctrl.h b/tools/testing/selftests/resctrl/resctrl.h index 99678d688a80..52068ceea956 100644 --- a/tools/testing/selftests/resctrl/resctrl.h +++ b/tools/testing/selftests/resctrl/resctrl.h @@ -63,7 +63,7 @@ struct resctrl_val_param { char ctrlgrp[64]; char mongrp[64]; int cpu_no; - unsigned long span; + size_t span; char filename[64]; char *bw_report; unsigned long mask; @@ -97,10 +97,10 @@ int write_bm_pid_to_resctrl(pid_t bm_pid, char *ctrlgrp, char *mongrp, char *resctrl_val); 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(unsigned long span, int malloc_and_init_memory, int memflush, - int op, char *resctrl_va); +int run_fill_buf(size_t span, int malloc_and_init_memory, int memflush, int op, + char *resctrl_va); int resctrl_val(char **benchmark_cmd, struct resctrl_val_param *param); -int mbm_bw_change(int span, int cpu_no, char *bw_report, char **benchmark_cmd); +int mbm_bw_change(size_t span, int cpu_no, char *bw_report, 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); @@ -119,7 +119,7 @@ void cmt_test_cleanup(void); int get_core_sibling(int cpu_no); int measure_cache_vals(struct resctrl_val_param *param, int bm_pid); int show_cache_info(unsigned long sum_llc_val, int no_of_bits, - unsigned long cache_span, unsigned long max_diff, + size_t cache_span, unsigned long max_diff, unsigned long max_diff_percent, unsigned long num_of_runs, bool platform, bool cmt); diff --git a/tools/testing/selftests/resctrl/resctrl_tests.c b/tools/testing/selftests/resctrl/resctrl_tests.c index 048ea8ae1e28..1c1fbcfcd086 100644 --- a/tools/testing/selftests/resctrl/resctrl_tests.c +++ b/tools/testing/selftests/resctrl/resctrl_tests.c @@ -70,7 +70,7 @@ 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(bool has_ben, char **benchmark_cmd, size_t span, int cpu_no, char *bw_report) { int res; @@ -99,7 +99,7 @@ static void run_mbm_test(bool has_ben, char **benchmark_cmd, int span, umount_resctrlfs(); } -static void run_mba_test(bool has_ben, char **benchmark_cmd, int span, +static void run_mba_test(bool has_ben, char **benchmark_cmd, size_t span, int cpu_no, char *bw_report) { int res; @@ -118,7 +118,7 @@ static void run_mba_test(bool has_ben, char **benchmark_cmd, int span, } if (!has_ben) - sprintf(benchmark_cmd[1], "%d", span); + sprintf(benchmark_cmd[1], "%zu", span); res = mba_schemata_change(cpu_no, bw_report, benchmark_cmd); ksft_test_result(!res, "MBA: schemata change\n"); @@ -181,11 +181,12 @@ 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; - 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; bool cat_test = true; + size_t span = 250; for (i = 0; i < argc; i++) { if (strcmp(argv[i], "-b") == 0) { @@ -275,7 +276,7 @@ int main(int argc, char **argv) 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"); diff --git a/tools/testing/selftests/resctrl/resctrlfs.c b/tools/testing/selftests/resctrl/resctrlfs.c index f622245adafe..8be5b745226d 100644 --- a/tools/testing/selftests/resctrl/resctrlfs.c +++ b/tools/testing/selftests/resctrl/resctrlfs.c @@ -298,7 +298,7 @@ int taskset_benchmark(pid_t bm_pid, int cpu_no) void run_benchmark(int signum, siginfo_t *info, void *ucontext) { int operation, ret, malloc_and_init_memory, memflush; - unsigned long span, buffer_span; + size_t span, buffer_span; char **benchmark_cmd; char resctrl_val[64]; FILE *fp;

[v3,09/19] selftests/resctrl: Convert span to size_t

Commit Message

Patch