testsuites/validation/tc-score-smp-per-cpu-jobs.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup ScoreSmpValPerCpuJobs
0007  */
0008
0009 /*
0010  * Copyright (C) 2021 embedded brains GmbH & Co. KG
0011  *
0012  * Redistribution and use in source and binary forms, with or without
0013  * modification, are permitted provided that the following conditions
0014  * are met:
0015  * 1. Redistributions of source code must retain the above copyright
0016  *    notice, this list of conditions and the following disclaimer.
0017  * 2. Redistributions in binary form must reproduce the above copyright
0018  *    notice, this list of conditions and the following disclaimer in the
0019  *    documentation and/or other materials provided with the distribution.
0020  *
0021  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0022  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0023  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0024  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0025  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0026  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0027  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0028  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0029  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0030  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0031  * POSSIBILITY OF SUCH DAMAGE.
0032  */
0033
0034 /*
0035  * This file is part of the RTEMS quality process and was automatically
0036  * generated.  If you find something that needs to be fixed or
0037  * worded better please post a report or patch to an RTEMS mailing list
0038  * or raise a bug report:
0039  *
0040  * https://www.rtems.org/bugs.html
0041  *
0042  * For information on updating and regenerating please refer to the How-To
0043  * section in the Software Requirements Engineering chapter of the
0044  * RTEMS Software Engineering manual.  The manual is provided as a part of
0045  * a release.  For development sources please refer to the online
0046  * documentation at:
0047  *
0048  * https://docs.rtems.org
0049  */
0050
0051 #ifdef HAVE_CONFIG_H
0052 #include "config.h"
0053 #endif
0054
0055 #include <rtems.h>
0056 #include <rtems/score/atomic.h>
0057 #include <rtems/score/percpu.h>
0058
0059 #include <rtems/test.h>
0060
0061 /**
0062  * @defgroup ScoreSmpValPerCpuJobs spec:/score/smp/val/per-cpu-jobs
0063  *
0064  * @ingroup TestsuitesValidationSmpOnly0
0065  *
0066  * @brief Tests the processing order of per-processor jobs.
0067  *
0068  * This test case performs the following actions:
0069  *
0070  * - Issue two jobs on the current processor with interrupts disabled.  Wait
0071  *   for completion of the second job.
0072  *
0073  *   - Check that the first job was processed firstly.
0074  *
0075  *   - Check that the second job was processed secondly.
0076  *
0077  * @{
0078  */
0079
0080 static Atomic_Uint job_counter;
0081
0082 static void Increment( void *arg )
0083 {
0084   unsigned int *value;
0085
0086   value = (unsigned int *) arg;
0087   *value =
0088     _Atomic_Fetch_add_uint( &job_counter, 1, ATOMIC_ORDER_RELAXED ) + 1;
0089 }
0090
0091 static unsigned int counter_0;
0092
0093 static const Per_CPU_Job_context job_context_0 = {
0094   .handler = Increment,
0095   .arg = &counter_0
0096 };
0097
0098 Per_CPU_Job job_0 = {
0099   .context = &job_context_0
0100 };
0101
0102 static unsigned int counter_1;
0103
0104 static const Per_CPU_Job_context job_context_1 = {
0105   .handler = Increment,
0106   .arg = &counter_1
0107 };
0108
0109 Per_CPU_Job job_1 = {
0110   .context = &job_context_1,
0111 };
0112
0113 /**
0114  * @brief Issue two jobs on the current processor with interrupts disabled.
0115  *   Wait for completion of the second job.
0116  */
0117 static void ScoreSmpValPerCpuJobs_Action_0( void )
0118 {
0119   rtems_interrupt_level level;
0120   Per_CPU_Control      *cpu;
0121
0122   rtems_interrupt_local_disable(level);
0123   cpu = _Per_CPU_Get();
0124   _Per_CPU_Add_job( cpu, &job_0 );
0125   _Per_CPU_Submit_job( cpu, &job_1 );
0126   rtems_interrupt_local_enable(level);
0127
0128   _Per_CPU_Wait_for_job( cpu, &job_1 );
0129
0130   /*
0131    * Check that the first job was processed firstly.
0132    */
0133   T_step_eq_int( 0, counter_0, 1 );
0134
0135   /*
0136    * Check that the second job was processed secondly.
0137    */
0138   T_step_eq_int( 1, counter_1, 2 );
0139 }
0140
0141 /**
0142  * @fn void T_case_body_ScoreSmpValPerCpuJobs( void )
0143  */
0144 T_TEST_CASE( ScoreSmpValPerCpuJobs )
0145 {
0146   T_plan( 2 );
0147
0148   ScoreSmpValPerCpuJobs_Action_0();
0149 }
0150
0151 /** @} */