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|
SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
copyrights:
- Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de)
enabled-by: true
functional-type: action
links:
- role: requirement-refinement
uid: ../if/group
- role: validation
uid: flush-filter
- role: validation
uid: flush-remove-timer
- role: validation
uid: flush-unblock
post-conditions:
- name: Extract
states:
- name: Nop
test-code: |
/* Event receive */
T_eq_ptr( GetUnblock( ctx, &i )->thread, GetTCB( ctx, TQ_BLOCKER_A ) );
T_eq_ptr( GetPriorityUpdate( ctx, &i ), &T_scheduler_event_null );
text: |
No operation shall be performed.
- name: All
test-code: |
event = GetUnblock( ctx, &i );
T_eq_ptr( event->executing, NULL );
T_eq_ptr( event->thread, GetTCB( ctx, TQ_BLOCKER_D ) );
event = GetUnblock( ctx, &i );
T_eq_ptr( event->executing, NULL );
T_eq_ptr( event->thread, GetTCB( ctx, TQ_BLOCKER_C ) );
if ( ctx->minimum ) {
/*
* This priority update is carried out by
* _Thread_queue_Flush_critical().
*/
event = GetPriorityUpdate( ctx, &i );
T_eq_ptr( event->executing, NULL );
T_eq_ptr( event->thread, GetTCB( ctx, TQ_BLOCKER_A ) );
}
event = GetUnblock( ctx, &i );
T_eq_ptr( event->executing, GetTCB( ctx, TQ_BLOCKER_B ) );
T_eq_ptr( event->thread, GetTCB( ctx, TQ_BLOCKER_B ) );
if ( ctx->minimum && rtems_configuration_get_maximum_processors() > 1 ) {
/*
* This superfluous priority update is carried out by
* _Thread_queue_Enqueue() since TQ_BLOCKER_B would have inherited its
* priority for scheduler B to TQ_BLOCKER_A if it were not flushed from
* the thread queue.
*/
event = GetPriorityUpdate( ctx, &i );
T_eq_ptr( event->executing, GetTCB( ctx, TQ_BLOCKER_B ) );
T_eq_ptr( event->thread, GetTCB( ctx, TQ_BLOCKER_A ) );
}
event = GetPriorityUpdate( ctx, &i );
T_eq_ptr( event, &T_scheduler_event_null );
T_eq_u32(
GetPriority( ctx->tq_ctx->worker_id[ TQ_BLOCKER_A ] ),
PRIO_HIGH
);
text: |
The enqueued threads of the thread queue shall be extracted in
${/glossary/priority:/term} order for each priority queue associated with
a scheduler. The priority queues of the thread queue shall be accessed
in ${/glossary/fifo:/term} order.
test-epilogue: null
test-prologue: |
size_t i;
const T_scheduler_event *event;
i = 0;
- name: PriorityUpdate
states:
- name: 'No'
test-code: |
/* Checked by ``Extract`` post-condition state ``Nop`` */
text: |
The ${/glossary/priority-current:/term} of the owner of the thread queue
shall not be updated by the thread queue flush operation.
- name: 'Yes'
test-code: |
/* Checked by ``Extract`` post-condition state ``All`` */
text: |
The ${/glossary/priority-current:/term} of the owner of the thread queue
shall be updated by the thread queue flush operation to reflect the loss
of inherited priorities of the flushed threads.
test-epilogue: null
test-prologue: null
pre-conditions:
- name: Priority
states:
- name: Minimum
test-code: |
ctx->minimum = true;
text: |
While a minimum priority of the owner of the thread queue is inherited
from a thread enqueued on the thread queue.
- name: NotMinimum
test-code: |
ctx->minimum = false;
text: |
While no minimum priority of the owner of the thread queue is inherited
from a thread enqueued on the thread queue.
test-epilogue: null
test-prologue: null
- name: Queue
states:
- name: Empty
test-code: |
ctx->tq_ctx->how_many = 0;
text: |
While the thread queue is empty.
- name: NonEmpty
test-code: |
ctx->tq_ctx->how_many = 3;
text: |
While the thread queue has at least one enqueued thread.
test-epilogue: null
test-prologue: null
rationale: null
references: []
requirement-type: functional
skip-reasons: {}
test-action: |
TQSend( ctx->tq_ctx, TQ_BLOCKER_A, TQ_EVENT_ENQUEUE_PREPARE );
if ( ctx->tq_ctx->how_many > 0 ) {
if ( ctx->minimum ) {
if ( rtems_configuration_get_maximum_processors() > 1 ) {
TQSetScheduler( ctx->tq_ctx, TQ_BLOCKER_B, SCHEDULER_B_ID, PRIO_HIGH );
} else {
TQSetScheduler( ctx->tq_ctx, TQ_BLOCKER_B, SCHEDULER_A_ID, PRIO_HIGH );
}
TQSetPriority( ctx->tq_ctx, TQ_BLOCKER_C, PRIO_VERY_HIGH );
TQSetPriority( ctx->tq_ctx, TQ_BLOCKER_D, PRIO_ULTRA_HIGH );
TQSend( ctx->tq_ctx, TQ_BLOCKER_C, TQ_EVENT_ENQUEUE );
TQSend( ctx->tq_ctx, TQ_BLOCKER_D, TQ_EVENT_ENQUEUE );
} else {
TQSetScheduler( ctx->tq_ctx, TQ_BLOCKER_B, SCHEDULER_A_ID, PRIO_HIGH );
TQSetPriority( ctx->tq_ctx, TQ_BLOCKER_C, PRIO_HIGH );
TQSetPriority( ctx->tq_ctx, TQ_BLOCKER_D, PRIO_HIGH );
TQSend( ctx->tq_ctx, TQ_BLOCKER_D, TQ_EVENT_ENQUEUE );
TQSend( ctx->tq_ctx, TQ_BLOCKER_C, TQ_EVENT_ENQUEUE );
}
T_scheduler_set_event_handler( SchedulerEvent, ctx );
TQSendAndWaitForExecutionStop(
ctx->tq_ctx,
TQ_BLOCKER_B,
TQ_EVENT_ENQUEUE
);
} else {
TQSchedulerRecordStart( ctx->tq_ctx );
TQSend( ctx->tq_ctx, TQ_BLOCKER_A, TQ_EVENT_FLUSH_ALL );
}
TQSchedulerRecordStop( ctx->tq_ctx );
TQSend( ctx->tq_ctx, TQ_BLOCKER_A, TQ_EVENT_ENQUEUE_DONE );
test-brief: null
test-cleanup: null
test-context:
- brief: |
This member contains the call within ISR request.
description: null
member: |
CallWithinISRRequest request;
- brief: |
If this member is true, then a minimum priority of the owner of the thread
queue shall be inherited from a thread enqueued on the thread queue.
description: null
member: |
bool minimum
test-context-support: null
test-description: null
test-header:
code: null
freestanding: false
includes: []
local-includes:
- tx-thread-queue.h
run-params:
- description: |
is the thread queue test context.
dir: inout
name: tq_ctx
specifier: TQContext *${.:name}
target: testsuites/validation/tr-tq-flush-priority-inherit.h
test-includes: []
test-local-includes:
- tx-support.h
- tr-tq-flush-priority-inherit.h
test-prepare: null
test-setup:
brief: null
code: |
TQReset( ctx->tq_ctx );
TQSetPriority( ctx->tq_ctx, TQ_BLOCKER_A, PRIO_HIGH );
description: null
test-stop: null
test-support: |
typedef ${.:/test-context-type} Context;
static const T_scheduler_event *GetUnblock( Context *ctx, size_t *index )
{
return TQGetNextUnblock( ctx->tq_ctx, index );
}
static const T_scheduler_event *GetPriorityUpdate( Context *ctx, size_t *index )
{
return T_scheduler_next(
&ctx->tq_ctx->scheduler_log.header,
T_SCHEDULER_UPDATE_PRIORITY,
index
);
}
static const rtems_tcb *GetTCB( Context *ctx, TQWorkerKind worker )
{
return ctx->tq_ctx->worker_tcb[ worker ];
}
static void Flush( void *arg )
{
Context *ctx;
ctx = arg;
TQSchedulerRecordStart( ctx->tq_ctx );
TQFlush( ctx->tq_ctx, true );
}
static void SchedulerEvent(
void *arg,
const T_scheduler_event *event,
T_scheduler_when when
)
{
Context *ctx;
ctx = arg;
if (
when == T_SCHEDULER_BEFORE &&
event->operation == T_SCHEDULER_BLOCK
) {
ctx->request.handler = Flush;
ctx->request.arg = ctx;
CallWithinISRSubmit( &ctx->request );
T_scheduler_set_event_handler( NULL, NULL );
}
}
test-target: testsuites/validation/tr-tq-flush-priority-inherit.c
test-teardown:
brief: null
code: |
TQReset( ctx->tq_ctx );
description: null
text: |
When the ${/glossary/priority:/term} thread queue with support for
${/glossary/priorityinheritance:/term} is flushed.
transition-map:
- enabled-by: true
post-conditions:
Extract: Nop
PriorityUpdate: 'No'
pre-conditions:
Queue:
- Empty
Priority: N/A
- enabled-by: true
post-conditions:
Extract: All
PriorityUpdate: 'No'
pre-conditions:
Queue:
- NonEmpty
Priority:
- NotMinimum
- enabled-by: true
post-conditions:
Extract: All
PriorityUpdate: 'Yes'
pre-conditions:
Queue:
- NonEmpty
Priority:
- Minimum
type: requirement
|