use of org.osate.contribution.sei.arinc653.Arinc653 in project osate2 by osate.
the class FlowLatencyAnalysisSwitch method mapComponentInstance.
private void mapComponentInstance(final EndToEndFlowInstance etef, final FlowElementInstance flowElementInstance, LatencyReportEntry entry) {
ComponentInstance componentInstance;
final boolean hasLatency = flowElementInstance instanceof FlowSpecificationInstance || flowElementInstance instanceof ConnectionInstance || flowElementInstance instanceof EndToEndFlowInstance || latencyCats.contains(((ComponentInstance) flowElementInstance).getCategory());
final RealRange expected = hasLatency ? PropertyUtils.getScaledRange(org.osate.aadl2.contrib.communication.CommunicationProperties::getLatency, flowElementInstance, TimeUnits.MS).orElse(RealRange.ZEROED) : RealRange.ZEROED;
if (flowElementInstance instanceof FlowSpecificationInstance) {
componentInstance = flowElementInstance.getComponentInstance();
} else {
componentInstance = (ComponentInstance) flowElementInstance;
}
FeatureInstance incomingConnectionFI = FlowLatencyUtil.getIncomingConnectionFeatureInstance(etef, flowElementInstance);
/**
* Get all the relevant properties.
*/
double period = periodCats.contains(componentInstance.getCategory()) ? PropertyUtils.getScaled(TimingProperties::getPeriod, componentInstance, TimeUnits.MS).orElse(0.0) : 0.0;
double deadline = deadlineCats.contains(componentInstance.getCategory()) ? PropertyUtils.getScaled(TimingProperties::getDeadline, componentInstance, TimeUnits.MS).orElse(0.0) : 0.0;
boolean isAssignedDeadline = isAssignedDeadline(componentInstance);
final boolean isThreadOrDevice = InstanceModelUtil.isThread(componentInstance) || InstanceModelUtil.isDevice(componentInstance) || InstanceModelUtil.isAbstract(componentInstance);
final boolean isPeriodic = period > 0 && (isThreadOrDevice ? (!InstanceModelUtil.isSporadicComponent(componentInstance) && !InstanceModelUtil.isTimedComponent(componentInstance) && !InstanceModelUtil.isAperiodicComponent(componentInstance)) : true);
final RealRange responseTime = getResponseTimeInMilliSec(flowElementInstance, componentInstance, isPeriodic);
final RealRange executionTime = getExecutionTimeInMilliSec(flowElementInstance, componentInstance, isPeriodic);
/**
* The component is periodic. Therefore it will sample its input unless we have an immediate connection or delayed connection
*/
boolean checkLastImmediate = false;
if (isPeriodic) {
// we have a periodic component that samples
if (incomingConnectionFI != null) {
// it is not the first component in the ETEF. We need to add sampling latency
if (incomingConnectionFI.getCategory() == FeatureCategory.DATA_PORT || incomingConnectionFI.getCategory() == FeatureCategory.ABSTRACT_FEATURE) {
// sampling incoming data
// period is set, and if thread, abstract, or device needs to be dispatched as periodic
// We sample only data ports. Event and event data ports have queuing latency
LatencyContributorComponent samplingLatencyContributor = new LatencyContributorComponent(componentInstance, flowElementInstance, report.isMajorFrameDelay());
samplingLatencyContributor.setSamplingPeriod(period);
if ((InstanceModelUtil.isThread(componentInstance) || InstanceModelUtil.isDevice(componentInstance)) && !hasAssignedPropertyValue(componentInstance, "Dispatch_Protocol")) {
samplingLatencyContributor.reportInfo("Assume Periodic dispatch because period is set");
}
if (FlowLatencyUtil.isPreviousConnectionDelayed(etef, flowElementInstance)) {
samplingLatencyContributor.setBestCaseMethod(LatencyContributorMethod.DELAYED);
samplingLatencyContributor.setWorstCaseMethod(LatencyContributorMethod.DELAYED);
} else if (FlowLatencyUtil.isPreviousConnectionImmediate(etef, flowElementInstance)) {
// the cumulative does not exceed the deadline of the last.
if (!FlowLatencyUtil.isNextConnectionImmediate(etef, flowElementInstance)) {
checkLastImmediate = true;
}
} else {
// sampled. We may under sample
ComponentInstance prevComp = FlowLatencyUtil.getPreviousComponent(etef, flowElementInstance);
double prevPeriod = prevComp != null ? PropertyUtils.getScaled(TimingProperties::getPeriod, prevComp, TimeUnits.MS).orElse(0.0) : 0;
if (period > 0 && prevPeriod > 0 && period % prevPeriod == 0.0) {
samplingLatencyContributor.setSamplingPeriod(prevPeriod);
} else {
samplingLatencyContributor.setSamplingPeriod(period);
}
samplingLatencyContributor.setBestCaseMethod(LatencyContributorMethod.SAMPLED);
samplingLatencyContributor.setWorstCaseMethod(LatencyContributorMethod.SAMPLED);
}
entry.addContributor(samplingLatencyContributor);
} else {
// queuing latency handled later
// do nothing here
}
} else {
// The periodic component is the first component in the ETEF
// record fact that first element is periodic so we can process synchronous behavior correctly
LatencyContributorComponent samplingLatencyContributor = new LatencyContributorComponent(componentInstance, flowElementInstance, report.isMajorFrameDelay());
samplingLatencyContributor.setBestCaseMethod(LatencyContributorMethod.FIRST_PERIODIC);
samplingLatencyContributor.setWorstCaseMethod(LatencyContributorMethod.FIRST_PERIODIC);
entry.addContributor(samplingLatencyContributor);
}
} else {
// the component is not executing periodically
if (entry.getContributors().isEmpty()) {
// insert first partition sampling for the aperiodic case. For other partitions it is inserted by connection processing
ComponentInstance firstPartition = FlowLatencyUtil.getPartition(componentInstance);
if (firstPartition != null) {
double partitionLatency = FlowLatencyUtil.getPartitionPeriod(firstPartition);
List<ScheduleWindow> schedule = FlowLatencyUtil.getModuleSchedule(firstPartition);
double partitionDuration = FlowLatencyUtil.getPartitionDuration(firstPartition, schedule);
LatencyContributorComponent platencyContributor = new LatencyContributorComponent(firstPartition, flowElementInstance, report.isMajorFrameDelay());
if (!FlowLatencyUtil.isInSchedule(firstPartition, schedule)) {
platencyContributor.reportWarning("Partition not found in ARINC653 schedule of processor " + FlowLatencyUtil.getModule(firstPartition).getName());
}
if (partitionDuration > 0) {
platencyContributor.setSamplingPeriod(partitionLatency);
double frameOffset = FlowLatencyUtil.getPartitionFrameOffset(firstPartition, schedule);
platencyContributor.setPartitionOffset(frameOffset);
platencyContributor.setPartitionDuration(partitionDuration);
platencyContributor.setWorstCaseMethod(LatencyContributorMethod.PARTITION_SCHEDULE);
platencyContributor.setBestCaseMethod(LatencyContributorMethod.PARTITION_SCHEDULE);
entry.addContributor(platencyContributor);
} else {
platencyContributor.setSamplingPeriod(partitionLatency);
platencyContributor.setWorstCaseMethod(LatencyContributorMethod.PARTITION_FRAME);
platencyContributor.setBestCaseMethod(LatencyContributorMethod.PARTITION_FRAME);
entry.addContributor(platencyContributor);
}
}
}
}
/**
* Selection of the worst case value, generic case.
*/
LatencyContributorMethod bestmethod;
LatencyContributorMethod worstmethod;
double worstCaseValue = 0.0;
double bestCaseValue = 0.0;
worstmethod = LatencyContributorMethod.UNKNOWN;
LatencyContributorComponent processingLatencyContributor = new LatencyContributorComponent(componentInstance, flowElementInstance, report.isMajorFrameDelay());
if (responseTime.getMaximum() != 0.0) {
worstCaseValue = responseTime.getMaximum();
worstmethod = LatencyContributorMethod.RESPONSE_TIME;
} else if (executionTime.getMaximum() != 0.0) {
if (!report.isWorstCaseDeadline()) {
// Use execution time for worst-case if preferences specify not deadline or no deadline is specified
worstCaseValue = executionTime.getMaximum();
worstmethod = LatencyContributorMethod.PROCESSING_TIME;
} else if (!isAssignedDeadline) {
worstCaseValue = executionTime.getMaximum();
worstmethod = LatencyContributorMethod.PROCESSING_TIME;
processingLatencyContributor.reportInfo("Using execution time as deadline was not set");
}
}
if ((worstCaseValue == 0.0) && isAssignedDeadline && report.isWorstCaseDeadline()) {
// use deadline if no execution time and deadline was explicitly assigned
worstCaseValue = deadline;
worstmethod = LatencyContributorMethod.DEADLINE;
}
if ((worstCaseValue == 0.0) && (expected.getMaximum() != 0.0)) {
// use flow latency if neither deadline nor execution time
worstCaseValue = expected.getMaximum();
worstmethod = LatencyContributorMethod.SPECIFIED;
} else if (worstCaseValue == 0.0 && deadline != 0.0) {
// if no flow spec value then use default deadline == period
worstCaseValue = deadline;
worstmethod = LatencyContributorMethod.DEADLINE;
processingLatencyContributor.reportInfo("Using deadline as execution time was not set");
}
/**
* Selection of the best case value, generic cases.
*/
bestmethod = LatencyContributorMethod.UNKNOWN;
if (responseTime.getMinimum() != 0.0) {
bestCaseValue = responseTime.getMinimum();
bestmethod = LatencyContributorMethod.RESPONSE_TIME;
} else if (executionTime.getMinimum() != 0.0) {
bestCaseValue = executionTime.getMinimum();
bestmethod = LatencyContributorMethod.PROCESSING_TIME;
}
if ((bestCaseValue == 0.0) && (expected.getMinimum() != 0.0)) {
bestCaseValue = expected.getMinimum();
bestmethod = LatencyContributorMethod.SPECIFIED;
}
// take into account queuing delay
if (incomingConnectionFI != null) {
double qs = 0;
LatencyContributorComponent ql = new LatencyContributorComponent(componentInstance, flowElementInstance, report.isMajorFrameDelay());
if (hasAssignedPropertyValue(incomingConnectionFI, org.osate.xtext.aadl2.properties.util.CommunicationProperties.QUEUE_SIZE)) {
qs = CommunicationProperties.getQueueSize(incomingConnectionFI).orElse(0);
} else if (incomingConnectionFI.getCategory() == FeatureCategory.DATA_PORT && isThreadOrDevice && (InstanceModelUtil.isSporadicComponent(componentInstance) || InstanceModelUtil.isTimedComponent(componentInstance) || InstanceModelUtil.isAperiodicComponent(componentInstance))) {
// treat data port as a port of queue size 1 when not a sampling thread
qs = 1;
ql.reportInfo("Data port as queue size 1 for sporadic, aperiodic, timed dispatch");
}
if (qs != 0) {
// take into account queuing delay on event and event data ports.
double dl = 0.0;
if (InstanceModelUtil.isSporadicComponent(componentInstance) || InstanceModelUtil.isPeriodicComponent(componentInstance)) {
dl = period;
ql.reportInfo("Sporadic or periodic has period delay per queue element");
} else {
dl = worstCaseValue;
}
double queuingDelay = qs * dl;
ql.setMaximum(queuingDelay);
if (report.isBestcaseEmptyQueue()) {
ql.setMinimum(0.0);
ql.reportInfo("Assume best case empty queue");
} else {
double mindl = (InstanceModelUtil.isSporadicComponent(componentInstance) || InstanceModelUtil.isPeriodicComponent(componentInstance) ? period : bestCaseValue);
ql.setMinimum(qs * mindl);
ql.reportInfo("Assume best case full queue");
}
ql.setWorstCaseMethod(LatencyContributorMethod.QUEUED);
ql.setBestCaseMethod(LatencyContributorMethod.QUEUED);
entry.addContributor(ql);
}
}
processingLatencyContributor.setWorstCaseMethod(worstmethod);
processingLatencyContributor.setBestCaseMethod(bestmethod);
processingLatencyContributor.setMaximum(worstCaseValue);
processingLatencyContributor.setMinimum(bestCaseValue);
processingLatencyContributor.setExpectedMaximum(expected.getMaximum());
processingLatencyContributor.setExpectedMinimum(expected.getMinimum());
if (checkLastImmediate && deadline > 0.0) {
processingLatencyContributor.setImmediateDeadline(deadline);
}
processingLatencyContributor.checkConsistency();
entry.addContributor(processingLatencyContributor);
}
use of org.osate.contribution.sei.arinc653.Arinc653 in project osate2 by osate.
the class FlowLatencyUtil method getModuleSchedule.
public static List<ScheduleWindow> getModuleSchedule(final ComponentInstance partition) {
if (partition == null) {
return null;
} else {
final ComponentInstance module = getModule(partition);
if (module == null) {
return null;
} else {
final ComponentCategory moduleCategory = module.getCategory();
if (moduleCategory == ComponentCategory.PROCESSOR || moduleCategory == ComponentCategory.VIRTUAL_PROCESSOR || moduleCategory == ComponentCategory.ABSTRACT) {
/* Only keep those windows that have a partition specified */
final List<ScheduleWindow> windows = Arinc653.getModuleSchedule(module).orElse(Collections.emptyList());
windows.removeIf(sw -> !sw.getPartition().isPresent());
return windows;
} else {
return Collections.emptyList();
}
}
}
}
use of org.osate.contribution.sei.arinc653.Arinc653 in project osate2 by osate.
the class FlowLatencyUtil method getPartitionPeriod.
/**
* get the partition period, either from the virtual processor representing the partition, or from the major frame of the ARINC653 specification of a processor
* @return partition period as latency contributor
*/
public static double getPartitionPeriod(final ComponentInstance part) {
// first look for major frame value on processor
final ComponentInstance module = getModule(part);
final ComponentCategory moduleCategory = module != null ? module.getCategory() : null;
double result = 0.0;
if (moduleCategory == ComponentCategory.PROCESSOR || moduleCategory == ComponentCategory.VIRTUAL_PROCESSOR || moduleCategory == ComponentCategory.ABSTRACT) {
result = PropertyUtils.getScaled(Arinc653::getModuleMajorFrame, module, TimeUnits.MS).orElse(0.0);
}
if (result == 0.0) {
// look for period on partition
result = PropertyUtils.getScaled(TimingProperties::getPeriod, part, TimeUnits.MS).orElse(0.0);
if (result == 0.0) {
// look for major frame value on virtual processor (partition)
result = PropertyUtils.getScaled(Arinc653::getModuleMajorFrame, part, TimeUnits.MS).orElse(0.0);
}
}
return result;
}
use of org.osate.contribution.sei.arinc653.Arinc653 in project osate2 by osate.
the class FlowLatencyAnalysisSwitch method mapConnectionInstance.
private void mapConnectionInstance(final EndToEndFlowInstance etef, final FlowElementInstance flowElementInstance, LatencyReportEntry entry) {
ConnectionInstance connectionInstance = (ConnectionInstance) flowElementInstance;
final RealRange expected = PropertyUtils.getScaledRange(org.osate.aadl2.contrib.communication.CommunicationProperties::getLatency, flowElementInstance, TimeUnits.MS).orElse(RealRange.ZEROED);
ComponentInstance componentInstanceSource = InstanceModelUtil.getRelatedComponentSource(connectionInstance);
ComponentInstance componentInstanceDestination = InstanceModelUtil.getRelatedComponentDestination(connectionInstance);
ComponentInstance srcHW = InstanceModelUtil.getHardwareComponent(componentInstanceSource);
ComponentInstance dstHW = InstanceModelUtil.getHardwareComponent(componentInstanceDestination);
ComponentInstance srcPartition = FlowLatencyUtil.getPartition(componentInstanceSource);
ComponentInstance dstPartition = FlowLatencyUtil.getPartition(componentInstanceDestination);
// if we exit a partition then we may have I/O Delay until the end of the partition window or the end of the major frame
if (srcPartition != null && srcPartition != dstPartition) {
double partitionLatency = FlowLatencyUtil.getPartitionPeriod(srcPartition);
List<ScheduleWindow> schedule = FlowLatencyUtil.getModuleSchedule(srcPartition);
double partitionDuration = FlowLatencyUtil.getPartitionDuration(srcPartition, schedule);
if (partitionDuration > 0) {
LatencyContributor ioLatencyContributor = new LatencyContributorComponent(srcPartition, flowElementInstance, report.isMajorFrameDelay());
if (!FlowLatencyUtil.isInSchedule(srcPartition, schedule)) {
ioLatencyContributor.reportWarning("Partition not found in ARINC653 schedule of processor " + FlowLatencyUtil.getModule(srcPartition).getName());
}
ioLatencyContributor.setWorstCaseMethod(LatencyContributorMethod.PARTITION_OUTPUT);
ioLatencyContributor.setBestCaseMethod(LatencyContributorMethod.PARTITION_OUTPUT);
if (partitionLatency == 0) {
ioLatencyContributor.setSamplingPeriod(partitionDuration);
ioLatencyContributor.reportInfo("No partition period/rate. Using partition duration");
} else {
ioLatencyContributor.setSamplingPeriod(partitionLatency);
}
double frameOffset = FlowLatencyUtil.getPartitionFrameOffset(srcPartition, schedule);
ioLatencyContributor.setPartitionOffset(frameOffset);
ioLatencyContributor.setPartitionDuration(partitionDuration);
entry.addContributor(ioLatencyContributor);
}
}
// now we deal with communication latency
LatencyContributor latencyContributor = new LatencyContributorConnection(connectionInstance, report.isMajorFrameDelay());
processActualConnectionBindingsSampling(connectionInstance, latencyContributor);
ComponentClassifier relatedConnectionData = (ComponentClassifier) FlowLatencyUtil.getConnectionData(connectionInstance);
processActualConnectionBindingsTransmission(connectionInstance, relatedConnectionData == null ? 0.0 : AadlContribUtils.getDataSize(relatedConnectionData, SizeUnits.BYTES), latencyContributor);
if (expected.getMaximum() > 0) {
latencyContributor.setWorstCaseMethod(LatencyContributorMethod.SPECIFIED);
latencyContributor.setExpectedMaximum(expected.getMaximum());
}
if (expected.getMinimum() > 0) {
latencyContributor.setBestCaseMethod(LatencyContributorMethod.SPECIFIED);
latencyContributor.setExpectedMinimum(expected.getMinimum());
}
if (latencyContributor.getSubContributors().isEmpty()) {
if (expected.getMaximum() > 0) {
latencyContributor.setMaximum(expected.getMaximum());
}
if (expected.getMinimum() > 0) {
latencyContributor.setMinimum(expected.getMinimum());
}
} else {
latencyContributor.reportInfo("Adding latency subtotal from protocols and hardware - shown with ()");
}
// set synchronous if on same processor
if (srcHW != null && dstHW != null) {
// we have two hardware components. One or both could be a device
ComponentInstance srcTime = (ComponentInstance) TimingProperties.getReferenceTime(srcHW).orElse(null);
ComponentInstance dstTime = (ComponentInstance) TimingProperties.getReferenceTime(dstHW).orElse(null);
if (srcHW == dstHW) {
latencyContributor.setSynchronous();
} else if (srcTime != null && dstTime != null) {
if (srcTime == dstTime) {
latencyContributor.setSynchronous();
} else {
latencyContributor.setAsynchronous();
}
} else {
latencyContributor.setSyncUnknown();
}
} else {
// set synchronous if in same partition. This may be the case if the partitions are not bound yet to a processor
if (dstPartition != null && srcPartition != null) {
if (srcPartition == dstPartition) {
latencyContributor.setSynchronous();
} else {
// no else part: partitions are unbound so we want to have both a sync and async analysis
latencyContributor.setSyncUnknown();
}
}
}
entry.addContributor(latencyContributor);
if (dstPartition != null && srcPartition != dstPartition) {
// add partition latency if the destination is a partition and it is different from the source partition (or null)
double partitionLatency = FlowLatencyUtil.getPartitionPeriod(dstPartition);
List<ScheduleWindow> schedule = FlowLatencyUtil.getModuleSchedule(dstPartition);
double partitionDuration = FlowLatencyUtil.getPartitionDuration(dstPartition, schedule);
LatencyContributorComponent platencyContributor = new LatencyContributorComponent(dstPartition, flowElementInstance, report.isMajorFrameDelay());
if (!FlowLatencyUtil.isInSchedule(dstPartition, schedule)) {
platencyContributor.reportWarning("Partition not found in ARINC653 schedule of processor " + FlowLatencyUtil.getModule(dstPartition).getName());
}
if (partitionDuration > 0) {
double frameOffset = FlowLatencyUtil.getPartitionFrameOffset(dstPartition, schedule);
platencyContributor.setPartitionOffset(frameOffset);
if (partitionLatency == 0) {
platencyContributor.setSamplingPeriod(partitionDuration);
platencyContributor.reportInfo("No partition period. Using partition duration");
} else {
platencyContributor.setSamplingPeriod(partitionLatency);
}
platencyContributor.setPartitionDuration(partitionDuration);
platencyContributor.setWorstCaseMethod(LatencyContributorMethod.PARTITION_SCHEDULE);
platencyContributor.setBestCaseMethod(LatencyContributorMethod.PARTITION_SCHEDULE);
entry.addContributor(platencyContributor);
} else {
platencyContributor.setSamplingPeriod(partitionLatency);
platencyContributor.setWorstCaseMethod(LatencyContributorMethod.PARTITION_FRAME);
platencyContributor.setBestCaseMethod(LatencyContributorMethod.PARTITION_FRAME);
entry.addContributor(platencyContributor);
}
}
}
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