diff options
| -rw-r--r-- | tools/testing/selftests/resctrl/fill_buf.c | 28 | ||||
| -rw-r--r-- | tools/testing/selftests/resctrl/resctrl.h | 2 | ||||
| -rw-r--r-- | tools/testing/selftests/resctrl/resctrl_tests.c | 5 | ||||
| -rw-r--r-- | tools/testing/selftests/resctrl/resctrl_val.c | 5 |
4 files changed, 9 insertions, 31 deletions
diff --git a/tools/testing/selftests/resctrl/fill_buf.c b/tools/testing/selftests/resctrl/fill_buf.c index 854f0108d8e6..e4f1cea317f1 100644 --- a/tools/testing/selftests/resctrl/fill_buf.c +++ b/tools/testing/selftests/resctrl/fill_buf.c @@ -88,18 +88,6 @@ static int fill_one_span_read(unsigned char *buf, size_t buf_size) return sum; } -static void fill_one_span_write(unsigned char *buf, size_t buf_size) -{ - unsigned char *end_ptr = buf + buf_size; - unsigned char *p; - - p = buf; - while (p < end_ptr) { - *p = '1'; - p += (CL_SIZE / 2); - } -} - void fill_cache_read(unsigned char *buf, size_t buf_size, bool once) { int ret = 0; @@ -114,15 +102,6 @@ void fill_cache_read(unsigned char *buf, size_t buf_size, bool once) *value_sink = ret; } -static void fill_cache_write(unsigned char *buf, size_t buf_size, bool once) -{ - while (1) { - fill_one_span_write(buf, buf_size); - if (once) - break; - } -} - unsigned char *alloc_buffer(size_t buf_size, int memflush) { void *buf = NULL; @@ -151,7 +130,7 @@ unsigned char *alloc_buffer(size_t buf_size, int memflush) return buf; } -int run_fill_buf(size_t buf_size, int memflush, int op) +int run_fill_buf(size_t buf_size, int memflush) { unsigned char *buf; @@ -159,10 +138,7 @@ int run_fill_buf(size_t buf_size, int memflush, int op) if (!buf) return -1; - if (op == 0) - fill_cache_read(buf, buf_size, false); - else - fill_cache_write(buf, buf_size, false); + fill_cache_read(buf, buf_size, false); free(buf); diff --git a/tools/testing/selftests/resctrl/resctrl.h b/tools/testing/selftests/resctrl/resctrl.h index 51f5f4b25e06..ba1ce1b35699 100644 --- a/tools/testing/selftests/resctrl/resctrl.h +++ b/tools/testing/selftests/resctrl/resctrl.h @@ -142,7 +142,7 @@ int perf_event_open(struct perf_event_attr *hw_event, pid_t pid, int cpu, unsigned char *alloc_buffer(size_t buf_size, int memflush); void mem_flush(unsigned char *buf, size_t buf_size); void fill_cache_read(unsigned char *buf, size_t buf_size, bool once); -int run_fill_buf(size_t buf_size, int memflush, int op); +int run_fill_buf(size_t buf_size, int memflush); int initialize_mem_bw_imc(void); int measure_mem_bw(const struct user_params *uparams, struct resctrl_val_param *param, pid_t bm_pid, diff --git a/tools/testing/selftests/resctrl/resctrl_tests.c b/tools/testing/selftests/resctrl/resctrl_tests.c index e7878077883f..0f91c475b255 100644 --- a/tools/testing/selftests/resctrl/resctrl_tests.c +++ b/tools/testing/selftests/resctrl/resctrl_tests.c @@ -265,13 +265,16 @@ last_arg: ksft_exit_fail_msg("Out of memory!\n"); uparams.benchmark_cmd[1] = span_str; uparams.benchmark_cmd[2] = "1"; - uparams.benchmark_cmd[3] = "0"; /* + * Third parameter was previously used for "operation" + * (read/write) of which only (now default) "read"/"0" + * works. * Fourth parameter was previously used to indicate * how long "fill_buf" should run for, with "false" * ("fill_buf" will keep running until terminated) * the only option that works. */ + uparams.benchmark_cmd[3] = NULL; uparams.benchmark_cmd[4] = NULL; } diff --git a/tools/testing/selftests/resctrl/resctrl_val.c b/tools/testing/selftests/resctrl/resctrl_val.c index b0f3c594c4da..113ca18d67c1 100644 --- a/tools/testing/selftests/resctrl/resctrl_val.c +++ b/tools/testing/selftests/resctrl/resctrl_val.c @@ -622,8 +622,8 @@ close_fp: */ static void run_benchmark(int signum, siginfo_t *info, void *ucontext) { - int operation, ret, memflush; char **benchmark_cmd; + int ret, memflush; size_t span; FILE *fp; @@ -643,9 +643,8 @@ static void run_benchmark(int signum, siginfo_t *info, void *ucontext) /* Execute default fill_buf benchmark */ span = strtoul(benchmark_cmd[1], NULL, 10); memflush = atoi(benchmark_cmd[2]); - operation = atoi(benchmark_cmd[3]); - if (run_fill_buf(span, memflush, operation)) + if (run_fill_buf(span, memflush)) fprintf(stderr, "Error in running fill buffer\n"); } else { /* Execute specified benchmark */ |