| /* fifo_b.c */ |
| |
| /* |
| * Copyright (c) 1997-2010, 2013-2014 Wind River Systems, Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "master.h" |
| |
| #ifdef FIFO_BENCH |
| |
| /** |
| * |
| * @brief Queue transfer speed test |
| * |
| * @return N/A |
| */ |
| void queue_test(void) |
| { |
| uint32_t et; /* elapsed time */ |
| int i; |
| |
| PRINT_STRING(dashline, output_file); |
| et = BENCH_START(); |
| for (i = 0; i < NR_OF_FIFO_RUNS; i++) { |
| task_fifo_put(DEMOQX1, data_bench, TICKS_UNLIMITED); |
| } |
| et = TIME_STAMP_DELTA_GET(et); |
| |
| PRINT_F(output_file, FORMAT, "enqueue 1 byte msg in FIFO", |
| SYS_CLOCK_HW_CYCLES_TO_NS_AVG(et, NR_OF_FIFO_RUNS)); |
| |
| et = BENCH_START(); |
| for (i = 0; i < NR_OF_FIFO_RUNS; i++) { |
| task_fifo_get(DEMOQX1, data_bench, TICKS_UNLIMITED); |
| } |
| et = TIME_STAMP_DELTA_GET(et); |
| check_result(); |
| |
| PRINT_F(output_file, FORMAT, "dequeue 1 byte msg in FIFO", |
| SYS_CLOCK_HW_CYCLES_TO_NS_AVG(et, NR_OF_FIFO_RUNS)); |
| |
| et = BENCH_START(); |
| for (i = 0; i < NR_OF_FIFO_RUNS; i++) { |
| task_fifo_put(DEMOQX4, data_bench, TICKS_UNLIMITED); |
| } |
| et = TIME_STAMP_DELTA_GET(et); |
| check_result(); |
| |
| PRINT_F(output_file, FORMAT, "enqueue 4 bytes msg in FIFO", |
| SYS_CLOCK_HW_CYCLES_TO_NS_AVG(et, NR_OF_FIFO_RUNS)); |
| |
| et = BENCH_START(); |
| for (i = 0; i < NR_OF_FIFO_RUNS; i++) { |
| task_fifo_get(DEMOQX4, data_bench, TICKS_UNLIMITED); |
| } |
| et = TIME_STAMP_DELTA_GET(et); |
| check_result(); |
| |
| PRINT_F(output_file, FORMAT, "dequeue 4 bytes msg in FIFO", |
| SYS_CLOCK_HW_CYCLES_TO_NS_AVG(et, NR_OF_FIFO_RUNS)); |
| |
| task_sem_give(STARTRCV); |
| |
| et = BENCH_START(); |
| for (i = 0; i < NR_OF_FIFO_RUNS; i++) { |
| task_fifo_put(DEMOQX1, data_bench, TICKS_UNLIMITED); |
| } |
| et = TIME_STAMP_DELTA_GET(et); |
| check_result(); |
| |
| PRINT_F(output_file, FORMAT, |
| "enqueue 1 byte msg in FIFO to a waiting higher priority task", |
| SYS_CLOCK_HW_CYCLES_TO_NS_AVG(et, NR_OF_FIFO_RUNS)); |
| |
| et = BENCH_START(); |
| for (i = 0; i < NR_OF_FIFO_RUNS; i++) { |
| task_fifo_put(DEMOQX4, data_bench, TICKS_UNLIMITED); |
| } |
| et = TIME_STAMP_DELTA_GET(et); |
| check_result(); |
| |
| PRINT_F(output_file, FORMAT, |
| "enqueue 4 bytes in FIFO to a waiting higher priority task", |
| SYS_CLOCK_HW_CYCLES_TO_NS_AVG(et, NR_OF_FIFO_RUNS)); |
| } |
| |
| #endif /* FIFO_BENCH */ |