forked from Imagelibrary/rtems
validation: Test rtems_cpu_usage_reset()
The test source code is generated from specification items by the "./spec2modules.py" script contained in the git://git.rtems.org/rtems-central.git Git repository. Please read the "How-To" section in the "Software Requirements Engineering" chapter of the RTEMS Software Engineering manual to get more information about the process. Update #3716.
This commit is contained in:
Sebastian Huber
151
testsuites/validation/tc-cpuuse.c
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151
testsuites/validation/tc-cpuuse.c
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/* SPDX-License-Identifier: BSD-2-Clause */
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/**
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* @file
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*
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* @ingroup RTEMSTestCaseRtemsCpuuseValCpuuse
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*/
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/*
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* Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de)
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* This file is part of the RTEMS quality process and was automatically
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* generated. If you find something that needs to be fixed or
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* worded better please post a report or patch to an RTEMS mailing list
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* or raise a bug report:
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*
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* https://www.rtems.org/bugs.html
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*
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* For information on updating and regenerating please refer to the How-To
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* section in the Software Requirements Engineering chapter of the
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* RTEMS Software Engineering manual. The manual is provided as a part of
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* a release. For development sources please refer to the online
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* documentation at:
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*
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* https://docs.rtems.org
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <rtems/cpuuse.h>
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#include <rtems/score/threadimpl.h>
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#include "tx-support.h"
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#include <rtems/test.h>
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/**
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* @defgroup RTEMSTestCaseRtemsCpuuseValCpuuse spec:/rtems/cpuuse/val/cpuuse
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*
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* @ingroup RTEMSTestSuiteTestsuitesValidationNoClock0
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*
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* @brief Tests the CPU usage reporting and reset.
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*
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* This test case performs the following actions:
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*
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* - Create a worker thread. Generate some CPU usage.
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*
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* - Check that we have a non-zero CPU usage. Reset the CPU usage. Check
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* that it was cleared to zero.
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*
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* - Clean up all used resources.
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*
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* @{
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*/
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static void Worker( rtems_task_argument arg )
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{
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(void) arg;
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while ( true ) {
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Yield();
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}
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}
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/**
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* @brief Create a worker thread. Generate some CPU usage.
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*/
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static void RtemsCpuuseValCpuuse_Action_0( void )
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{
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rtems_id id;
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Thread_Control *self;
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Thread_Control *other;
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Timestamp_Control cpu_usage_self;
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Timestamp_Control cpu_usage_other;
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id = CreateTask( "WORK", GetSelfPriority() );
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StartTask( id, Worker, NULL );
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self = GetThread( RTEMS_SELF );
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other = GetThread( id );
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Yield();
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Yield();
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/*
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* Check that we have a non-zero CPU usage. Reset the CPU usage. Check that
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* it was cleared to zero.
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*/
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TimecounterTick();
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cpu_usage_self = _Thread_Get_CPU_time_used( self );
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cpu_usage_other = _Thread_Get_CPU_time_used( other );
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T_gt_i64( _Thread_Get_CPU_time_used_after_last_reset( self ), 0 );
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T_gt_i64( _Thread_Get_CPU_time_used_after_last_reset( other ), 0 );
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rtems_cpu_usage_reset();
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/*
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* Our CPU usage after the last reset is now exactly one tick of the
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* software timecounter.
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*/
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T_eq_i64( _Thread_Get_CPU_time_used_after_last_reset( self ), 4295 );
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T_eq_i64(
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_Thread_Get_CPU_time_used( self ),
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cpu_usage_self + 12885 + rtems_scheduler_get_processor_maximum() * 4295
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);
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T_eq_i64( _Thread_Get_CPU_time_used_after_last_reset( other ), 0 );
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T_eq_i64( _Thread_Get_CPU_time_used( other ), cpu_usage_other );
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/*
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* Clean up all used resources.
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*/
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DeleteTask( id );
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}
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/**
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* @fn void T_case_body_RtemsCpuuseValCpuuse( void )
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*/
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T_TEST_CASE( RtemsCpuuseValCpuuse )
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{
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RtemsCpuuseValCpuuse_Action_0();
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}
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/** @} */
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