/* sema_b.c */ /* * Copyright (c) 1997-2010, 2013-2015 Wind River Systems, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1) Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2) Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3) Neither the name of Wind River Systems nor the names of its contributors * may be used to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include "master.h" #ifdef SEMA_BENCH /******************************************************************************* * * sema_test - semaphore signal speed test * * RETURNS: N/A * * \NOMANUAL */ void sema_test(void) { uint32_t et; /* elapsed Time */ int i; PRINT_STRING(dashline, output_file); et = BENCH_START(); for (i = 0; i < NR_OF_SEMA_RUNS; i++) { task_sem_give(SEM0); } et = TIME_STAMP_DELTA_GET(et); check_result(); PRINT_F(output_file, FORMAT, "signal semaphore", SYS_CLOCK_HW_CYCLES_TO_NS_AVG(et, NR_OF_SEMA_RUNS)); task_sem_reset(SEM1); task_sem_give(STARTRCV); et = BENCH_START(); for (i = 0; i < NR_OF_SEMA_RUNS; i++) { task_sem_give(SEM1); } et = TIME_STAMP_DELTA_GET(et); check_result(); PRINT_F(output_file, FORMAT, "signal to waiting high pri task", SYS_CLOCK_HW_CYCLES_TO_NS_AVG(et, NR_OF_SEMA_RUNS)); et = BENCH_START(); for (i = 0; i < NR_OF_SEMA_RUNS; i++) { task_sem_give(SEM1); } et = TIME_STAMP_DELTA_GET(et); check_result(); PRINT_F(output_file, FORMAT, "signal to waiting high pri task, with timeout", SYS_CLOCK_HW_CYCLES_TO_NS_AVG(et, NR_OF_SEMA_RUNS)); et = BENCH_START(); for (i = 0; i < NR_OF_SEMA_RUNS; i++) { task_sem_give(SEM2); } et = TIME_STAMP_DELTA_GET(et); check_result(); PRINT_F(output_file, FORMAT, "signal to waitm (2)", SYS_CLOCK_HW_CYCLES_TO_NS_AVG(et, NR_OF_SEMA_RUNS)); et = BENCH_START(); for (i = 0; i < NR_OF_SEMA_RUNS; i++) { task_sem_give(SEM2); } et = TIME_STAMP_DELTA_GET(et); check_result(); PRINT_F(output_file, FORMAT, "signal to waitm (2), with timeout", SYS_CLOCK_HW_CYCLES_TO_NS_AVG(et, NR_OF_SEMA_RUNS)); et = BENCH_START(); for (i = 0; i < NR_OF_SEMA_RUNS; i++) { task_sem_give(SEM3); } et = TIME_STAMP_DELTA_GET(et); check_result(); PRINT_F(output_file, FORMAT, "signal to waitm (3)", SYS_CLOCK_HW_CYCLES_TO_NS_AVG(et, NR_OF_SEMA_RUNS)); et = BENCH_START(); for (i = 0; i < NR_OF_SEMA_RUNS; i++) { task_sem_give(SEM3); } et = TIME_STAMP_DELTA_GET(et); check_result(); PRINT_F(output_file, FORMAT, "signal to waitm (3), with timeout", SYS_CLOCK_HW_CYCLES_TO_NS_AVG(et, NR_OF_SEMA_RUNS)); et = BENCH_START(); for (i = 0; i < NR_OF_SEMA_RUNS; i++) { task_sem_give(SEM4); } et = TIME_STAMP_DELTA_GET(et); check_result(); PRINT_F(output_file, FORMAT, "signal to waitm (4)", SYS_CLOCK_HW_CYCLES_TO_NS_AVG(et, NR_OF_SEMA_RUNS)); et = BENCH_START(); for (i = 0; i < NR_OF_SEMA_RUNS; i++) { task_sem_give(SEM4); } et = TIME_STAMP_DELTA_GET(et); check_result(); PRINT_F(output_file, FORMAT, "signal to waitm (4), with timeout", SYS_CLOCK_HW_CYCLES_TO_NS_AVG(et, NR_OF_SEMA_RUNS)); } #endif /* SEMA_BENCH */