[PATCH] RMS scheduler overrun handling example
Kuan Hsun Chen
c0066c at gmail.com
Tue Dec 20 21:59:08 UTC 2016
Hello Gedare,
Thanks, I will check the content of the patches again.
Best,
Kuan-Hsun
2016-12-20 22:57 GMT+01:00 Gedare Bloom <gedare at rtems.org>:
> On Tue, Dec 20, 2016 at 4:53 PM, Kuan Hsun Chen <c0066c at gmail.com> wrote:
> > Hi Gedare,
> >
> > I want to hold copyright. How should I do?
> >
> This depends on the policy of your employer/university. You should ask
> your supervisor/advisor about the issue, and look for relevant
> policies regarding copyright and/or open-source software.
>
> Then, you should just list yourself in the copyright line if you are
> allowed to hold the copyright, or you need to list your employer.
>
> > 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
> >
> >
>
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