[PATCH] RMS scheduler overrun handling example
Kuan Hsun Chen
c0066c at gmail.com
Tue Dec 20 21:53:29 UTC 2016
Hi Gedare,
I want to hold copyright. How should I do?
Best,
Kuan-Hsun
2016-12-20 22:51 GMT+01:00 Gedare Bloom <gedare at rtems.org>:
> On Fri, Dec 9, 2016 at 11:40 AM, Kuan-Hsun Chen <c0066c at gmail.com> wrote:
> > ---
> > testsuites/sptests/Makefile.am | 2 +
> > testsuites/sptests/configure.ac | 1 +
> > testsuites/sptests/sprmsched01/Makefile.am | 21 +++++
> > testsuites/sptests/sprmsched01/init.c | 69 ++++++++++++++++
> > testsuites/sptests/sprmsched01/sprmsched01.doc | 33 ++++++++
> > testsuites/sptests/sprmsched01/sprmsched01.scn | 48 ++++++++++++
> > testsuites/sptests/sprmsched01/system.h | 64 +++++++++++++++
> > testsuites/sptests/sprmsched01/tasks.c | 104
> +++++++++++++++++++++++++
> > 8 files changed, 342 insertions(+)
> > create mode 100644 testsuites/sptests/sprmsched01/Makefile.am
> > create mode 100644 testsuites/sptests/sprmsched01/init.c
> > create mode 100644 testsuites/sptests/sprmsched01/sprmsched01.doc
> > create mode 100644 testsuites/sptests/sprmsched01/sprmsched01.scn
> > create mode 100644 testsuites/sptests/sprmsched01/system.h
> > create mode 100644 testsuites/sptests/sprmsched01/tasks.c
> >
> > diff --git a/testsuites/sptests/Makefile.am
> b/testsuites/sptests/Makefile.am
> > index 54a4de7..4281abb 100644
> > --- a/testsuites/sptests/Makefile.am
> > +++ b/testsuites/sptests/Makefile.am
> > @@ -37,6 +37,7 @@ _SUBDIRS += spfatal29
> > _SUBDIRS += spmutex01
> > _SUBDIRS += spextensions01
> > _SUBDIRS += spsysinit01
> > +_SUBDIRS += sprmsched01
> > if HAS_SMP
> > else
> > _SUBDIRS += sp29
> > @@ -56,6 +57,7 @@ _SUBDIRS += sptimecounter03
> > _SUBDIRS += spatomic01
> > _SUBDIRS += spintrcritical22
> > _SUBDIRS += spsem03
> > +_SUBDIRS += spresource01
> > _SUBDIRS += spmrsp01
> > _SUBDIRS += spscheduler01
> > _SUBDIRS += spprofiling01
> > diff --git a/testsuites/sptests/configure.ac b/testsuites/sptests/
> configure.ac
> > index 76d60e3..8a55aef 100644
> > --- a/testsuites/sptests/configure.ac
> > +++ b/testsuites/sptests/configure.ac
> > @@ -255,5 +255,6 @@ sptimer_err02/Makefile
> > spcpuset01/Makefile
> > spregion_err01/Makefile
> > sppartition_err01/Makefile
> > +sprmsched01/Makefile
> > ])
> > AC_OUTPUT
> > diff --git a/testsuites/sptests/sprmsched01/Makefile.am
> b/testsuites/sptests/sprmsched01/Makefile.am
> > new file mode 100644
> > index 0000000..f837b52
> > --- /dev/null
> > +++ b/testsuites/sptests/sprmsched01/Makefile.am
> > @@ -0,0 +1,21 @@
> > +
> > +rtems_tests_PROGRAMS = sprmsched01
> > +sprmsched01_SOURCES = init.c tasks.c system.h
> > +
> > +dist_rtems_tests_DATA = sprmsched01.scn
> > +dist_rtems_tests_DATA += sprmsched01.doc
> > +
> > +include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP at .cfg
> > +include $(top_srcdir)/../automake/compile.am
> > +include $(top_srcdir)/../automake/leaf.am
> > +
> > +AM_CPPFLAGS += -I$(top_srcdir)/../support/include
> > +
> > +LINK_OBJS = $(sprmsched01_OBJECTS)
> > +LINK_LIBS = $(sprmsched01_LDLIBS)
> > +
> > +sprmsched01$(EXEEXT): $(sprmsched01_OBJECTS) $(sprmsched01_DEPENDENCIES)
> > + @rm -f sprmsched01$(EXEEXT)
> > + $(make-exe)
> > +
> > +include $(top_srcdir)/../automake/local.am
> > diff --git a/testsuites/sptests/sprmsched01/init.c b/testsuites/sptests/
> sprmsched01/init.c
> > new file mode 100644
> > index 0000000..7fd3e87
> > --- /dev/null
> > +++ b/testsuites/sptests/sprmsched01/init.c
> > @@ -0,0 +1,69 @@
> > +/**
> > + * @file sprmsched01/init.c
> > + *
> > + * @brief A init task body for sprmsched01 example.
> > + *
> > + */
> > +
> > +/*
> > + * COPYRIGHT (c) 2016 Kuan-Hsun Chen, TU Dortmund University (TUDo).
> Please determine whether you hold copyright or your employer
>
> > + *
> > + * The license and distribution terms for this file may be
> > + * found in the file LICENSE in this distribution or at
> > + * http://www.rtems.com/license/LICENSE.
> > + */
> > +
> > +#ifdef HAVE_CONFIG_H
> > +#include "config.h"
> > +#endif
> > +
> > +#define CONFIGURE_INIT
> > +#include "system.h"
> > +
> > +#include <rtems/rtems/tasksimpl.h>
> > +#include <rtems/test.h>
> > +#include <rtems/status-checks.h>
> > +
> > +const char rtems_test_name[] = "Rate Monotonic 01";
> > +
> > +/* Global variables */
> > +rtems_id Task_id[ 2 ]; /* array of task ids */
> > +rtems_name Task_name[ 2 ]; /* array of task names */
> > +uint32_t tick_per_second; /* time reference */
> > +int testnumber = 11; /* stop condition */
> > +
> > +rtems_task_priority Prio[3] = {0, 2, 5};
> > +
> > +rtems_task Init(
> > + rtems_task_argument argument
> > +)
> > +{
> > + rtems_status_code status;
> > + TEST_BEGIN();
> > +
> > +
> > + tick_per_second = rtems_clock_get_ticks_per_second();
> > + printf("\nTicks per second in your system: %" PRIu32 "\n",
> tick_per_second);
> > +
> > + Task_name[ 1 ] = rtems_build_name( 'T', 'A', '1', ' ' );
> > + Task_name[ 2 ] = rtems_build_name( 'T', 'A', '2', ' ' );
> > +
> > + /* Create two tasks */
> > + for ( int index = 1; index <= 2; index++){
> > + status = rtems_task_create(
> > + Task_name[ index ], Prio[index], RTEMS_MINIMUM_STACK_SIZE,
> RTEMS_DEFAULT_MODES,
> > + RTEMS_DEFAULT_ATTRIBUTES, &Task_id[ index ]
> > + );
> > + directive_failed( status, "rtems_task_create loop");
> > + }
> > +
> > +
> > + /* After creating the periods for tasks, start to run them
> sequencially. */
> > + for ( int index = 1; index <= 2; index++){
> > + status = rtems_task_start( Task_id[ index ], Task_1, index);
> > + directive_failed( status, "rtems_task_start loop");
> > + }
> > + status = rtems_task_delete( RTEMS_SELF );
> > + directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
> > +}
> > +
> > diff --git a/testsuites/sptests/sprmsched01/sprmsched01.doc
> b/testsuites/sptests/sprmsched01/sprmsched01.doc
> > new file mode 100644
> > index 0000000..7153af8
> > --- /dev/null
> > +++ b/testsuites/sptests/sprmsched01/sprmsched01.doc
> > @@ -0,0 +1,33 @@
> > +#
> > +# COPYRIGHT (c) 2016 Kuan-Hsun Chen, TU Dortmund University (TUDo).
> > +#
> > +# The license and distribution terms for this file may be
> > +# found in the file LICENSE in this distribution or at
> > +# http://www.rtems.com/license/LICENSE.
> > +#
> > +
> > +This file describes the directives and concepts tested by this test set.
> > +
> > +test set name: sprmsched01
> > +
> > +directives:
> > +
> > + - rtems_rate_monotonic_report_statistics()
> > + - rtems_rate_monotonic_period()
> > + - rtems_rate_monotonic_Postponed_num()
> > + - _Rate_monotonic_Timeout()
> > + - _Rate_monotonic_Renew_deadline()
> > + - _Rate_monotonic_Release_postponedjob()
> > + - _Rate_monotonic_Block_while_expired()
> > +
> > +
> > +concepts:
> > +
> > + - Verify that watchdog deadline is renewed on time without shift via
> > + _Rate_monotonic_Renew_deadline().
> > + - Verify that postponed jobs are released with a correct number via
> > + _Rate_monotonic_Release_postponedjob().
> > + - Verify that rtems_rate_monotonic_report_statistics() reports
> correct number
> > + of deadline misses.
> > + - Verify that rtems_rate_monotonic_period() and
> > + _Rate_monotonic_Block_while_expired() are operational.
> > diff --git a/testsuites/sptests/sprmsched01/sprmsched01.scn
> b/testsuites/sptests/sprmsched01/sprmsched01.scn
> > new file mode 100644
> > index 0000000..3d3d2d9
> > --- /dev/null
> > +++ b/testsuites/sptests/sprmsched01/sprmsched01.scn
> > @@ -0,0 +1,48 @@
> > +
> > +
> > +*** BEGIN OF TEST Rate Monotonic 01 ***
> > +
> > +Ticks per second in your system: 1000
> > +Job 1 Task 1 starts at tick 13.
> > + Job 1 Task 1 ends at tick 6021.
> > +Job 1 Task 2 starts at tick 6022.
> > + Job 1 Task 2 ends at tick 7024.
> > +Job 2 Task 2 starts at tick 8022.
> > + Job 2 Task 2 ends at tick 9023.
> > +Job 2 Task 1 starts at tick 10013.
> > + Job 2 Task 1 ends at tick 16021.
> > +Job 3 Task 2 starts at tick 16023.
> > + Job 3 Task 2 ends at tick 17024.
> > +Job 4 Task 2 starts at tick 17025.
> > + Job 4 Task 2 ends at tick 18026.
> > +Job 5 Task 2 starts at tick 18026.
> > + Job 5 Task 2 ends at tick 19027.
> > +Job 6 Task 2 starts at tick 19028.
> > + Job 6 Task 2 ends at tick 20029.
> > +Job 7 Task 2 starts at tick 20029.
> > + Job 7 Task 2 ends at tick 21031.
> > +Job 8 Task 2 starts at tick 21031.
> > + Job 8 Task 2 ends at tick 22033.
> > +Job 9 Task 2 starts at tick 22033.
> > + Job 9 Task 2 ends at tick 23035.
> > +Job 10 Task 2 starts at tick 24022.
> > + Job 10 Task 2 ends at tick
> 25023.
> > +Job 11 Task 2 starts at tick 26022.
> > + Job 11 Task 2 ends at tick
> 27024.
> > +Job 12 Task 2 starts at tick 28022.
> > + Job 12 Task 2 ends at tick
> 29024.
> > +Job 13 Task 2 starts at tick 30022.
> > + Job 13 Task 2 ends at tick
> 31023.
> > +Job 14 Task 2 starts at tick 32022.
> > + Job 14 Task 2 ends at tick
> 33023.
> > +Job 15 Task 2 starts at tick 34022.
> > + Job 15 Task 2 ends at tick
> 35023.
> > +Job 16 Task 2 starts at tick 36022.
> > + Job 16 Task 2 ends at tick
> 37023.
> > +Period information by period
> > +--- CPU times are in seconds ---
> > +--- Wall times are in seconds ---
> > + ID OWNER COUNT MISSED CPU TIME WALL
> TIME
> > + MIN/MAX/AVG
> MIN/MAX/AVG
> > +0x42010002 TA2 15 6 1.001686/7.012146/2.404131
> 1.001698/13.013378/5.204723
> > +*** END OF TEST Rate Monotonic 01 ***
> > diff --git a/testsuites/sptests/sprmsched01/system.h
> b/testsuites/sptests/sprmsched01/system.h
> > new file mode 100644
> > index 0000000..e4c6ade
> > --- /dev/null
> > +++ b/testsuites/sptests/sprmsched01/system.h
> > @@ -0,0 +1,64 @@
> > +/**
> > + * @file sprmsched01/system.h
> > + *
> > + * @brief sprmsched01 example header
> > + */
> > +
> > +/*
> > + * COPYRIGHT (c) 1989-2007.
> > + * On-Line Applications Research Corporation (OAR).
> > + *
> > + * COPYRIGHT (c) 2016 Kuan-Hsun Chen, TU Dortmund University (TUDo).
> > + *
> > + * The license and distribution terms for this file may be
> > + * found in the file LICENSE in this distribution or at
> > + * http://www.rtems.com/license/LICENSE.
> > + */
> > +
> > +
> > +#include <inttypes.h>
> > +#include <rtems.h>
> > +
> > +#include <tmacros.h>
> > +
> > +/* function prototypes */
> > +
> > +rtems_task Init(
> > + rtems_task_argument argument
> > +);
> > +
> > +rtems_task Task_1(
> > + rtems_task_argument argument
> > +);
> > +
> > +rtems_task Task_2(
> > + rtems_task_argument argument
> > +);
> > +
> > +/*
> > + * Keep the names and IDs in global variables so another task can use
> them.
> > + */
> > +
> > +extern rtems_id Task_id[ 2 ]; /* array of task ids */
> > +extern rtems_name Task_name[ 2 ]; /* array of task names */
> > +extern uint32_t tick_per_second; /* time reference */
> > +extern int testnumber; /* stop condition */
> > +
> > +/* configuration information */
> > +
> > +#include <bsp.h> /* for device driver prototypes */
> > +
> > +#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
> > +#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
> > +#define CONFIGURE_MICROSECONDS_PER_TICK 1000 // NB: 10 and lower
> gives system failure for erc32 simulator
> > +#define CONFIGURE_MAXIMUM_TASKS 3
> > +#define CONFIGURE_MAXIMUM_SEMAPHORES 1
> > +#define CONFIGURE_MAXIMUM_PRIORITY 15
> > +#define CONFIGURE_EXTRA_TASK_STACKS (20 *
> RTEMS_MINIMUM_STACK_SIZE)
> > +#define CONFIGURE_MAXIMUM_PERIODS 3
> > +
> > +#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
> > +
> > +#include <rtems/confdefs.h>
> > +
> > +/* end of include file */
> > diff --git a/testsuites/sptests/sprmsched01/tasks.c
> b/testsuites/sptests/sprmsched01/tasks.c
> > new file mode 100644
> > index 0000000..8cb06e6
> > --- /dev/null
> > +++ b/testsuites/sptests/sprmsched01/tasks.c
> > @@ -0,0 +1,104 @@
> > +/**
> > + * @file sprmsched01/tasks.c
> > + *
> > + * @brief A heuristic example to demonstrate how the postponed jobs are
> handled.
> > + *
> > + * Given two tasks with implicit deadline under fixed-priority
> scheudling.
> > + * Task 1 has (6, 10) and task 2 has (1, 2), where (execution time,
> deadline/period).
> > + * To force deadline misses, we reverse the rate-monotonic priority
> assignment
> > + * and only execute the highest priority task twice.
> > + * In the original implementation in v4.11, no matter how many periods
> are
> > + * expired, RMS manager only releases a job with a shifted deadline
> assignment
> > + * in the watchdog.
> > + *
> > + */
> > +
> > +/*
> > + * COPYRIGHT (c) 2016 Kuan-Hsun Chen, TU Dortmund University (TUDo).
> > + *
> > + * The license and distribution terms for this file may be
> > + * found in the file LICENSE in this distribution or at
> > + * http://www.rtems.com/license/LICENSE.
> > + */
> > +
> > +#ifdef HAVE_CONFIG_H
> > +#include "config.h"
> > +#endif
> > +
> > +#include "system.h"
> > +
> > +/* CPU usage and Rate monotonic manger statistics */
> > +#include "rtems/cpuuse.h"
> > +#include "rtems/counter.h"
> > +
> > +/* Periods for the various tasks [ticks] */
> > +uint32_t Periods[3] = {0, 10000, 2000};
> > +uint32_t Iterations[3] = {0, 6000, 1000};
> > +uint32_t tsk_counter[3] = {0, 0, 0};
> > +
> > +/**
> > + * @brief Task 1 body
> > + */
> > +rtems_task Task_1(
> > + rtems_task_argument argument
> > +)
> > +{
> > + rtems_status_code status;
> > + rtems_id RM_period;
> > + rtems_id selfid=rtems_task_self();
> > + int start, end, flag=0;
> > + rtems_counter_ticks t0;
> > + t0 = rtems_counter_nanoseconds_to_ticks(1000000); //1ms ticks counter
> > + /*create period*/
> > + status = rtems_rate_monotonic_create( argument, &RM_period );
> > + directive_failed( status, "rtems_rate_monotonic_create" );
> > +
> > + switch ( argument ) {
> > + case 1:
> > + case 2:
> > + while ( FOREVER ) {
> > + status = rtems_rate_monotonic_period( RM_period,
> Periods[argument]);
> > + //directive_failed( status, "rtems_rate_monotonic_period" );
> let TIMEOUT pass
> > + if(argument == 2 && flag == 0 && status == RTEMS_TIMEOUT){
> > + flag = 1;
> > + printf("RTEMS_TIMEOUT\n");
> > + }else if(flag == 1 && status == RTEMS_SUCCESSFUL){
> > + flag = 0;
> > + printf("RTEMS_SUCCESSFUL\n");
> > + }
> > +
> > + start = rtems_clock_get_ticks_since_boot();
> > + if (argument == 2)
> > + printf("Job %d Task %d starts at tick %d.\n",
> tsk_counter[argument]+1, argument, start);
> > + else
> > + printf("Task %d starts at tick %d.\n", argument, start);
> > + for(int i=0; i<Iterations[argument]; i++){
> > + rtems_counter_delay_ticks(t0);
> > + }
> > + end = rtems_clock_get_ticks_since_boot();
> > + printf(" Job %d Task %d
> ends at tick %d.\n", tsk_counter[argument]+1, argument, end);
> > + if( argument == 2 ){
> > + if(tsk_counter[ argument ] == testnumber){
> > + //rtems_rate_monotonic_report_statistics();
> > + TEST_END();
> > + status = rtems_rate_monotonic_delete(RM_period);
> > + directive_failed( status, "rtems_rate_monotonic_delete" );
> > + rtems_test_exit(0);
> > + }
> > + }
> > +
> > + tsk_counter[ argument ]+=1;
> > + if ( argument == 1 ){
> > + if( tsk_counter[ argument ] == 2 ){
> > + status = rtems_rate_monotonic_delete(
> RM_period);
> > + directive_failed( status, "rtems_rate_monotonic_delete" );
> > + status = rtems_task_delete(selfid);
> > + directive_failed( status, "rtems_task_delete" );
> > + }
> > + }
> > + }
> > + break;
> > +
> > + }
> > +}
> > +
> > --
> > 1.9.1
> >
> > _______________________________________________
> > devel mailing list
> > devel at rtems.org
> > http://lists.rtems.org/mailman/listinfo/devel
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.rtems.org/pipermail/devel/attachments/20161220/03b4c2b5/attachment-0001.html>
More information about the devel
mailing list