/// @date 26 Nov 2008
/// @brief Implementation of the AliHLTGlobalTriggerComponent component class.
///
-/// The AliHLTGlobalTriggerComponentComponent class applies the global HLT trigger to all
+/// The AliHLTGlobalTriggerComponent class applies the global HLT trigger to all
/// trigger information produced by components deriving from AliHLTTrigger.
#include "AliHLTGlobalTriggerComponent.h"
#include "AliCDBManager.h"
#include "AliCDBStorage.h"
#include "AliCDBEntry.h"
+#include "AliRawDataHeader.h"
#include "TUUID.h"
#include "TROOT.h"
#include "TSystem.h"
#include "TDatime.h"
#include "TClass.h"
#include "TNamed.h"
+#include "TRandom3.h"
#include <fstream>
#include <cerrno>
#include <cassert>
fDebugMode(false),
fRuntimeCompile(true),
fDeleteCodeFile(false),
+ fMakeSoftwareTriggers(true),
fCodeFileName(),
fClassName(),
fCTPDecisions(NULL),
fIncludeFiles(TObjString::Class()),
fLibStateAtLoad(),
fBits(0),
- fDataEventsOnly(true)
+ fDataEventsOnly(true),
+ fMonitorPeriod(-1),
+ fUniqueID(0),
+ fSoftwareTrigger(true, "SOFTWARE"),
+ fTotalEventCounter(0),
+ fCDH(NULL)
{
// Default constructor.
fClassName = "";
fCodeFileName = "";
fDeleteCodeFile = false;
+ fMakeSoftwareTriggers = true;
const char* configFileName = NULL;
const char* codeFileName = NULL;
fIncludePaths.Clear();
fIncludeFiles.Clear();
SetBit(kIncludeInput);
fDataEventsOnly = true;
+ UInt_t randomSeed = 0;
+ bool randomSeedSet = false;
+ fCDH = NULL;
for (int i = 0; i < argc; i++)
{
HLTError("The include path was not specified." );
return -EINVAL;
}
- new (fIncludePaths[fIncludePaths.GetEntriesFast()]) TObjString(argv[i+1]);
+ try
+ {
+ new (fIncludePaths[fIncludePaths.GetEntriesFast()]) TObjString(argv[i+1]);
+ }
+ catch (const std::bad_alloc&)
+ {
+ HLTError("Could not allocate more memory for the fIncludePaths array.");
+ return -ENOMEM;
+ }
i++;
continue;
}
HLTError("The include file name was not specified." );
return -EINVAL;
}
- new (fIncludeFiles[fIncludeFiles.GetEntriesFast()]) TObjString(argv[i+1]);
+ try
+ {
+ new (fIncludeFiles[fIncludeFiles.GetEntriesFast()]) TObjString(argv[i+1]);
+ }
+ catch (const std::bad_alloc&)
+ {
+ HLTError("Could not allocate more memory for the fIncludeFiles array.");
+ return -ENOMEM;
+ }
i++;
continue;
}
fDataEventsOnly = false;
continue;
}
+
+ if (strstr(argv[i], "-monitoring") == argv[i])
+ {
+ TString param=argv[i];
+ param.ReplaceAll("-monitoring", "");
+ if (param.IsNull())
+ {
+ // -monitoring
+ // enable monitoring trigger for all events
+ fMonitorPeriod=0;
+ } else {
+ // -monitoring=n
+ // enable monitoring trigger once every n seconds
+ param.ReplaceAll("=", "");
+ if (param.IsDigit()) {
+ fMonitorPeriod=param.Atoi();
+ } else {
+ HLTError("expecting number as parameter for argument '-monitoring=', got %s, skipping monitoring trigger", param.Data());
+ }
+ }
+ continue;
+ }
+
+ if (strcmp(argv[i], "-dont-make-software-triggers") == 0)
+ {
+ fMakeSoftwareTriggers = false;
+ continue;
+ }
+ if (strcmp(argv[i], "-randomseed") == 0)
+ {
+ if (randomSeedSet)
+ {
+ HLTWarning("The random seed was already specified previously with the option -randomseed."
+ "Will replace the previous value of %d with the new one.",
+ randomSeed
+ );
+ }
+ if (argc <= i+1)
+ {
+ HLTError("The number to use as the seed was not specified for the -randomseed option." );
+ return -EINVAL;
+ }
+ TString numstr = argv[i+1];
+ if (not numstr.IsDigit())
+ {
+ HLTError("The number specified in the -randomseed option is not a valid decimal integer." );
+ return -EINVAL;
+ }
+ randomSeed = numstr.Atoi();
+ randomSeedSet = true;
+ i++;
+ continue;
+ }
HLTError("Unknown option '%s'.", argv[i]);
return -EINVAL;
}
if (result != 0) return result;
- fTrigger = AliHLTGlobalTrigger::CreateNew(fClassName.Data());
+ try
+ {
+ fTrigger = AliHLTGlobalTrigger::CreateNew(fClassName.Data());
+ }
+ catch (const std::bad_alloc&)
+ {
+ HLTError("Could not allocate memory for the AliHLTGlobalTrigger instance.");
+ return -ENOMEM;
+ }
if (fTrigger == NULL)
{
HLTError("Could not create a new instance of '%s'.", fClassName.Data());
SetDescription(menu->DefaultDescription());
SetTriggerDomain(menu->DefaultTriggerDomain());
+ // Initialise the random number generator seed value.
+ // NOTE: The GenerateTrigger method called above will set the fUniqueID value
+ // with a random value based on a GUID that should be unique across the system.
+ // This is then used as the seed to the random number generator if the -randomseed
+ // option is not used.
+ if (not randomSeedSet) randomSeed = fUniqueID;
+ gRandom->SetSeed(randomSeed);
+
+ fTotalEventCounter = 0;
return 0;
}
delete fCTPDecisions;
}
fCTPDecisions=NULL;
+ fCDH = NULL;
Int_t result = UnloadTriggerClass(fCodeFileName);
if (result != 0) return result;
AliHLTComponent* AliHLTGlobalTriggerComponent::Spawn()
{
// Creates a new object instance.
-
- return new AliHLTGlobalTriggerComponent;
+ AliHLTComponent* comp = NULL;
+ try
+ {
+ comp = new AliHLTGlobalTriggerComponent;
+ }
+ catch (const std::bad_alloc&)
+ {
+ HLTError("Could not allocate memory for a new instance of AliHLTGlobalTriggerComponent.");
+ return NULL;
+ }
+ return comp;
}
AliHLTUInt32_t eventType=0;
if (!IsDataEvent(&eventType)) {
- if (eventType==gkAliEventTypeEndOfRun) PrintStatistics(fTrigger, kHLTLogImportant, 0);
+ if (eventType==gkAliEventTypeEndOfRun)
+ {
+ PrintStatistics(fTrigger, kHLTLogImportant);
+ }
if (fDataEventsOnly)
{
- IgnoreEvent();
+ IgnoreEvent(); // dont generate any trigger decision.
return 0;
}
}
+
+ fCDH = NULL; // have to reset this in case ExtractTriggerData fails.
+ ExtractTriggerData(*GetTriggerData(), NULL, NULL, &fCDH, NULL);
// Copy the trigger counters in case we need to set them back to their original
// value because the PushBack method fails with ENOSPC.
if (pCTPData) {
AddCTPDecisions(fTrigger, pCTPData, GetTriggerData());
}
-
+
+ bool softwareTriggerIsValid = FillSoftwareTrigger();
+ if (softwareTriggerIsValid)
+ {
+ fTrigger->Add(&fSoftwareTrigger, kAliHLTDataTypeTriggerDecision, kAliHLTVoidDataSpec);
+ }
+
// Calculate the global trigger result and trigger domain, then create and push
// back the new global trigger decision object.
TString description;
AliHLTTriggerDomain triggerDomain;
- bool triggerResult = fTrigger->CalculateTriggerDecision(triggerDomain, description);
+ bool triggerResult = false;
+ bool matchedItems = fTrigger->CalculateTriggerDecision(triggerResult, triggerDomain, description);
if (fTrigger->CallFailed()) return -EPROTO;
AliHLTGlobalTriggerDecision decision(
triggerResult,
// The following will cause the decision to be generated with default values
// (set in fTriggerDomain and fDescription) if the trigger result is false.
- (triggerResult == true) ? triggerDomain : GetTriggerDomain(),
- (triggerResult == true) ? description.Data() : GetDescription()
+ (matchedItems == true) ? triggerDomain : GetTriggerDomain(),
+ (matchedItems == true) ? description.Data() : GetDescription()
);
- // mask the readout list according to the CTP trigger
- // if the classes have been initialized (mask non-zero)
- if (pCTPData && pCTPData->Mask()) {
- AliHLTEventDDL eventDDL=pCTPData->ReadoutList(*GetTriggerData());
- AliHLTReadoutList ctpreadout(eventDDL);
- ctpreadout.Enable(AliHLTReadoutList::kHLT);
- AliHLTReadoutList maskedList=decision.ReadoutList();
- maskedList.AndEq(ctpreadout);
- decision.ReadoutList(maskedList);
- }
-
- decision.SetCounters(fTrigger->GetCounters(), GetEventCount()+1);
+ decision.SetUniqueID(fUniqueID);
+ decision.SetCounters(fTrigger->GetCounters(), fTotalEventCounter+1);
if (fTrigger->CallFailed()) return -EPROTO;
- static UInt_t lastTime=0;
- TDatime time;
- if (time.Get()-lastTime>60) {
- lastTime=time.Get();
- PrintStatistics(fTrigger, kHLTLogImportant);
- }
+ TClonesArray shortInfo(TNamed::Class(), GetNumberOfInputBlocks());
- // Add the input objects used to the global decision.
- TClonesArray* pShortInfo=NULL;
- if (TestBit(kIncludeShort)) {
- pShortInfo=new TClonesArray(TNamed::Class(), GetNumberOfInputBlocks());
- }
+ // Add the input objects used to make the global decision.
obj = GetFirstInputObject();
while (obj != NULL)
{
- if (TestBit(kForwardInput)) {
- Forward(obj);
- }
- if (TestBit(kIncludeInput)) {
- if (obj->IsA() == AliHLTTriggerDecision::Class())
+ const AliHLTTriggerDecision* intrig = dynamic_cast<const AliHLTTriggerDecision*>(obj);
+
+ if (TestBit(kForwardInput)) Forward(obj);
+
+ if (TestBit(kIncludeInput))
{
- decision.AddTriggerInput( *static_cast<const AliHLTTriggerDecision*>(obj) );
+ if (intrig != NULL)
+ {
+ decision.AddTriggerInput(*intrig);
+ }
+ else
+ {
+ // The const_cast should be safe in this case because the list of inputObjects
+ // will be added to the global decision with AddInputObjectRef, which only
+ // modifies the kCanDelete bit and nothing else.
+ // This is necessary since GetFirstInputObject only returns const objects.
+ decision.AddInputObjectRef( const_cast<TObject*>(obj) );
+ }
}
- else
+
+ if (TestBit(kIncludeShort))
{
- decision.AddInputObject(obj);
- }
- }
-
- if (TestBit(kIncludeShort)) {
- int entries=pShortInfo->GetEntriesFast();
- new ((*pShortInfo)[entries]) TNamed(obj->GetName(), obj->GetTitle());
- if (obj->IsA() == AliHLTTriggerDecision::Class()) {
- (*pShortInfo)[entries]->SetBit(BIT(16)); // indicate that this is a trigger decision
- (*pShortInfo)[entries]->SetBit(BIT(15), ((AliHLTTriggerDecision*)obj)->Result());
+ int entries = shortInfo.GetEntriesFast();
+ try
+ {
+ new (shortInfo[entries]) TNamed(obj->GetName(), obj->GetTitle());
+ }
+ catch (const std::bad_alloc&)
+ {
+ HLTError("Could not allocate more memory for the short list of input objects.");
+ return -ENOMEM;
+ }
+ if (intrig != NULL)
+ {
+ shortInfo[entries]->SetBit(BIT(16)); // indicate that this is a trigger decision
+ shortInfo[entries]->SetBit(BIT(15), intrig->Result());
}
}
obj = GetNextInputObject();
}
- if (pShortInfo) {
- decision.AddInputObject(pShortInfo);
- pShortInfo->Delete();
- delete pShortInfo;
- pShortInfo=NULL;
+ if (TestBit(kIncludeShort)) decision.AddInputObjectRef(&shortInfo);
+
+ // The const_cast should be safe in this case because AddInputObjectRef just
+ // modifies the kCanDelete bit and nothing else.
+ if (!TestBit(kSkipCTP) && CTPData()) decision.AddInputObjectRef(const_cast<AliHLTCTPData*>(CTPData()));
+
+ if (softwareTriggerIsValid and TestBit(kIncludeInput)) decision.AddTriggerInput(fSoftwareTrigger);
+
+ static UInt_t lastTime=0;
+ TDatime time;
+ if (time.Get()-lastTime>60)
+ {
+ lastTime=time.Get();
+ PrintStatistics(fTrigger, kHLTLogImportant);
}
+
+ // add readout filter to event done data
+ CreateEventDoneReadoutFilter(decision.TriggerDomain(), 3);
- if (!TestBit(kSkipCTP) && CTPData()) decision.AddInputObject(CTPData());
+ // add monitoring filter to event done data if enabled by setting
+ // a monitoring period >=0: -1 means off, 0 means for every event
+ // configured by argument '-monitoring[=n]'
+ if (fMonitorPeriod>=0) {
+ static UInt_t lastMonitorEvent=0;
+
+ AliHLTTriggerDomain monitoringFilter(decision.TriggerDomain());
+ if (decision.Result() &&
+ int(time.Get()-lastMonitorEvent)>fMonitorPeriod) {
+ lastMonitorEvent=time.Get();
+ // add monitoring event command for triggered events
+ CreateEventDoneReadoutFilter(decision.TriggerDomain(), 5);
+ } else {
+ // empty filter list if events are not triggered
+ // or within the monitoring interval
+ monitoringFilter.Clear();
+ }
+ // add monitoring filter list
+ CreateEventDoneReadoutFilter(monitoringFilter, 4);
+ }
+
+ // Mask the readout list according to the CTP trigger
+ // if the classes have been initialized (mask non-zero).
+ // If we are dealing with a software trigger on the other hand then
+ // mask with the participating detector list.
+ // In both cases we must make sure that HLT is part of the readout mask.
+ if (CTPData() != NULL and CTPData()->Mask() != 0x0)
+ {
+ AliHLTReadoutList readoutlist = decision.ReadoutList();
+ AliHLTReadoutList ctpreadout = CTPData()->ReadoutList(*GetTriggerData());
+ ctpreadout.Enable(AliHLTReadoutList::kHLT);
+ readoutlist.AndEq(ctpreadout);
+ decision.ReadoutList(readoutlist); // override the readout list with the masked one.
+ }
+ else if (softwareTriggerIsValid)
+ {
+ assert(fCDH != NULL);
+ AliHLTReadoutList readoutlist = decision.ReadoutList();
+ UInt_t detectors = fCDH->GetSubDetectors();
+ AliHLTReadoutList softwareReadout(Int_t(detectors | AliHLTReadoutList::kHLT));
+ readoutlist.AndEq(softwareReadout);
+ decision.ReadoutList(readoutlist); // override the readout list with the masked one.
+ }
- CreateEventDoneReadoutFilter(decision.TriggerDomain(), 3);
- CreateEventDoneReadoutFilter(decision.TriggerDomain(), 4);
- if (TriggerEvent(&decision) == -ENOSPC)
+ if (TriggerEvent(&decision, kAliHLTDataTypeGlobalTrigger) == -ENOSPC)
{
// Increase the estimated buffer space required if the PushBack methods in TriggerEvent
// returned the "no buffer space" error code. Also remember to set the trigger counters
if (fTrigger->CallFailed()) return -EPROTO;
return -ENOSPC;
}
+
+ ++fTotalEventCounter;
return 0;
}
result = GenerateTrigger(menu, className, codeFileName, fIncludePaths, fIncludeFiles);
if (result != 0) return result;
- AliHLTGlobalTrigger* trigger = AliHLTGlobalTrigger::CreateNew(className.Data());
+ AliHLTGlobalTrigger* trigger = NULL;
+ try
+ {
+ trigger = AliHLTGlobalTrigger::CreateNew(className.Data());
+ }
+ catch (const std::bad_alloc&)
+ {
+ HLTError("Could not allocate memory for the AliHLTGlobalTrigger instance.");
+ return -ENOMEM;
+ }
if (trigger == NULL)
{
HLTError("Could not create a new instance of '%s'.", className.Data());
return -EIO;
}
Int_t version = store->GetLatestVersion(cdbPath, GetRunNo());
+ if (version < 0)
+ {
+ HLTError("Could not find an entry in the CDB for \"%s\".", cdbPath);
+ return -EIO;
+ }
Int_t subVersion = store->GetLatestSubVersion(cdbPath, GetRunNo(), version);
AliCDBEntry* entry = AliCDBManager::Instance()->Get(cdbPath, GetRunNo(), version, subVersion);
if (entry == NULL)
}
+void AliHLTGlobalTriggerComponent::GenerateFileName(TString& name, TString& filename)
+{
+ // Creates a unique file name for the generated code.
+
+ TUUID guid = GenerateGUID();
+ union
+ {
+ UChar_t buf[16];
+ UInt_t bufAsInt[4];
+ };
+ guid.GetUUID(buf);
+ fUniqueID = bufAsInt[0];
+ TString guidstr = guid.AsString();
+ // Replace '-' with '_' in string.
+ for (int i = 0; i < guidstr.Length(); ++i)
+ {
+ if (guidstr[i] == '-') guidstr[i] = '_';
+ }
+ name = "AliHLTGlobalTriggerImpl_";
+ name += guidstr;
+ filename = name + ".cxx";
+
+ // For good measure, check that the file names are not used. If they are then regenerate.
+ fstream file(filename.Data(), ios_base::in);
+ if (file.good())
+ {
+ file.close();
+ GenerateFileName(name, filename);
+ }
+}
+
+
int AliHLTGlobalTriggerComponent::GenerateTrigger(
const AliHLTTriggerMenu* menu, TString& name, TString& filename,
const TClonesArray& includePaths, const TClonesArray& includeFiles
// Generates the global trigger class that will implement the specified trigger menu.
// See header for more details.
- HLTDebug("Generating custom HLT trigger class named %s using trigger menu %p.", ((void*)menu), name.Data());
-
- // Create a new UUID and replace the '-' characters with '_' to make it a valid
- // C++ symbol name.
- TUUID uuid;
- TString uuidstr = uuid.AsString();
- for (Int_t i = 0; i < uuidstr.Length(); i++)
- {
- if (uuidstr[i] == '-') uuidstr[i] = '_';
- }
-
- // Create the name of the new class.
- name = "AliHLTGlobalTriggerImpl_";
- name += uuidstr;
- filename = name + ".cxx";
+ GenerateFileName(name, filename);
+ HLTDebug("Generating custom HLT trigger class named %s, in file %s, using trigger menu %p.",
+ name.Data(), filename.Data(), ((void*)menu)
+ );
// Open a text file to write the code and generate the new class.
fstream code(filename.Data(), ios_base::out | ios_base::trunc);
code << "#if !defined(__CINT__) || defined(__MAKECINT__)" << endl;
code << "#include <cstring>" << endl;
+ code << "#include \"TClass.h\"" << endl;
code << "#include \"TString.h\"" << endl;
code << "#include \"TClonesArray.h\"" << endl;
+ code << "#include \"TRandom3.h\"" << endl;
code << "#include \"AliHLTLogging.h\"" << endl;
code << "#include \"AliHLTGlobalTrigger.h\"" << endl;
code << "#include \"AliHLTGlobalTriggerDecision.h\"" << endl;
code << " }" << endl;
}
code << " }" << endl;
+ // The following is an optimisation where symbols without any assignment operators
+ // are treated as constant and only initialised in FillFromMenu rather than reseting
+ // them in the NewEvent method.
+ // Note: we putting this initialisation into the constructor can lead to seg faults
+ // under CINT interpretation. Thus we must put it into the FillFromMenu method instead.
+ for (Int_t i = 0; i < symbols.GetEntriesFast(); i++)
+ {
+ AliHLTTriggerMenuSymbol* symbol = static_cast<AliHLTTriggerMenuSymbol*>( symbols.UncheckedAt(i) );
+ if (TString(symbol->AssignExpression()) != "") continue;
+ if (strcmp(symbol->ObjectClass(), "AliHLTTriggerDecision") == 0) continue;
+ // CINT has problems with the implicit equals operator for complex types, so if
+ // the type has an equals operater we need to write the operator call explicitly.
+ TClass* clas = TClass::GetClass(symbol->Type());
+ if (clas != NULL and clas->GetMethodAny("operator=") != NULL)
+ {
+ code << " " << symbol->Name() << ".operator = (" << symbol->DefaultValue() << ");" << endl;
+ }
+ else
+ {
+ code << " " << symbol->Name() << " = " << symbol->DefaultValue() << ";" << endl;
+ }
+ }
if (fDebugMode)
{
code << " HLTDebug(Form(\"Finished filling domain entries from trigger menu symbols.\"));" << endl;
for (Int_t i = 0; i < symbols.GetEntriesFast(); i++)
{
AliHLTTriggerMenuSymbol* symbol = static_cast<AliHLTTriggerMenuSymbol*>( symbols.UncheckedAt(i) );
+ // The following is an optimisation. If the symbol does not have an assignment expression
+ // then it is effectively a constant symbol and can be initialised earlier and only once.
+ // In this case we initialise it in the FillFromMenu method instead.
+ if (TString(symbol->AssignExpression()) == "") continue;
// CINT has problems with the implicit equals operator for complex types, so if
- // the type has a equals operater we need to write the operator call explicitly.
+ // the type has an equals operater we need to write the operator call explicitly.
TClass* clas = TClass::GetClass(symbol->Type());
if (clas != NULL and clas->GetMethodAny("operator=") != NULL)
{
code << " }" << endl;
// Generate the Add method.
- code << " virtual void Add(const TObject* _object_, const AliHLTComponentDataType& _type_, AliHLTUInt32_t _spec_) {" << endl;
+ bool haveAssignments = false;
+ for (Int_t i = 0; i < symbols.GetEntriesFast(); i++)
+ {
+ // First check if we have any symbols with assignment expressions.
+ // This is needed to get rid of the on the fly compilation warning about '_object_' not being used.
+ AliHLTTriggerMenuSymbol* symbol = static_cast<AliHLTTriggerMenuSymbol*>( symbols.UncheckedAt(i) );
+ TString expr = symbol->AssignExpression();
+ if (expr == "") continue; // Skip entries that have no assignment expression.
+ haveAssignments = true;
+ break;
+ }
+ if (haveAssignments or fDebugMode)
+ {
+ code << " virtual void Add(const TObject* _object_, const AliHLTComponentDataType& _type_, AliHLTUInt32_t _spec_) {" << endl;
+ }
+ else
+ {
+ code << " virtual void Add(const TObject* /*_object_*/, const AliHLTComponentDataType& _type_, AliHLTUInt32_t _spec_) {" << endl;
+ }
if (fDebugMode)
{
code << "#ifdef __CINT__" << endl;
// 30 Oct 2009 - CINT sometimes evaluates the dynamic_cast incorrectly.
// Have to use the TClass system for extra protection.
code << " const " << symbol->ObjectClass() << "* " << symbol->Name() << "_object_ = NULL;" << endl;
- code << " if (_object_->IsA() == " << symbol->ObjectClass() << "::Class()) " << symbol->Name()
+ code << " if (_object_->InheritsFrom(" << symbol->ObjectClass() << "::Class())) " << symbol->Name()
<< "_object_ = dynamic_cast<const " << symbol->ObjectClass()
<< "*>(_object_);" << endl;
code << " if (" << symbol->Name() << "_object_ != NULL && ";
// positive results. Again, if no trailing operators are used in the individual
// merging expressions then the default domain operator is placed between two
// expression fragments.
- code << " virtual bool CalculateTriggerDecision(AliHLTTriggerDomain& _domain_, TString& _description_) {" << endl;
+ code << " virtual bool CalculateTriggerDecision(bool& _trigger_result_, AliHLTTriggerDomain& _domain_, TString& _description_) {" << endl;
if (fDebugMode)
{
code << "#ifdef __CINT__" << endl;
code << " if (" << triggerCondition << ") {" << endl;
code << " ++fCounter[" << i << "];" << endl;
const char* indentation = "";
- if (item->PreScalar() != 0)
+ // Generate the code to handle the prescalar and scale-down
+ bool havePrescalar = item->PreScalar() != 0;
+ bool haveScaledown = item->ScaleDown() < 1;
+ if (havePrescalar or haveScaledown)
{
indentation = " ";
- code << " if ((fCounter[" << i << "] % " << item->PreScalar() << ") == 1) {" << endl;
+ code << " if (";
+ if (havePrescalar) code << "(fCounter[" << i << "] % " << item->PreScalar() << ") == 1";
+ if (havePrescalar and haveScaledown) code << " && ";
+ if (haveScaledown)
+ {
+ std::streamsize oldprecision = code.precision(17);
+ code << "gRandom->Rndm() < " << item->ScaleDown();
+ code.precision(oldprecision);
+ }
+ code << ") {" << endl;
}
code << indentation << " _item_result_ = true;" << endl;
if (fDebugMode)
code << indentation << " HLTDebug(Form(\"Matched trigger condition " << i
<< " (Description = '%s').\", fMenuItemDescription" << i << ".Data()));" << endl;
}
- if (item->PreScalar() != 0)
+ if (havePrescalar or haveScaledown)
{
code << " }" << endl;
}
code << " HLTDebug(Form(\"Matched triggers in trigger priority group " << priorities[n] << ".\"));" << endl;
}
}
+ bool methodReturnResult = true;
+ if (priorityGroup[n].size() > 0)
+ {
+ const AliHLTTriggerMenuItem* item = menu->Item(priorityGroup[n][0]);
+ methodReturnResult = item->DefaultResult();
+ }
+ // Check to see if the items of the group all have the same default result.
+ // If not then warn the user since only the first item's value will be used.
+ for (size_t m = 1; m < priorityGroup[n].size(); m++)
+ {
+ const AliHLTTriggerMenuItem* item = menu->Item(priorityGroup[n][m]);
+ if (item->DefaultResult() != methodReturnResult)
+ {
+ HLTWarning("Found items with different default results set for priority group %d."
+ "Will only use the value from the first item.",
+ item->Priority()
+ );
+ break;
+ }
+ }
+ code << " _trigger_result_ = " << (methodReturnResult ? "true" : "false") << ";" << endl;
code << " return true;" << endl;
code << " }" << endl;
}
code << " _domain_.Clear();" << endl;
code << " _description_ = \"\";" << endl;
+ code << " _trigger_result_ = " << (menu->DefaultResult() ? "true" : "false") << ";" << endl;
code << " return false;" << endl;
code << " }" << endl;
}
+namespace
+{
+ /**
+ * Helper routine to compare two trigger menu symbols to see if b is a subset of a.
+ * \returns true if b is a subset of a or they are unrelated.
+ */
+ bool AliHLTCheckForContainment(const AliHLTTriggerMenuSymbol* a, const AliHLTTriggerMenuSymbol* b)
+ {
+ TString bstr = b->Name();
+ return bstr.Contains(a->Name());
+ }
+
+} // end of namespace
+
+
int AliHLTGlobalTriggerComponent::BuildSymbolList(const AliHLTTriggerMenu* menu, TClonesArray& list)
{
// Builds the list of symbols to use in the custom global trigger menu
HLTError("Multiple symbols with the name '%s' defined in the trigger menu.", symbol->Name());
return -EIO;
}
- new (list[list.GetEntriesFast()]) AliHLTTriggerMenuSymbol(*symbol);
+ try
+ {
+ new (list[list.GetEntriesFast()]) AliHLTTriggerMenuSymbol(*symbol);
+ }
+ catch (const std::bad_alloc&)
+ {
+ HLTError("Could not allocate more memory for the symbols list when adding a trigger menu symbol.");
+ return -ENOMEM;
+ }
}
+ Int_t initialEntryCount = list.GetEntriesFast();
- TRegexp exp("[_a-zA-Z][-_a-zA-Z0-9]*");
- TRegexp hexexp("x[a-fA-F0-9]+");
+ // Note: the \\. must not be the first element in the character class, otherwise
+ // it is interpreted as an "any character" dot symbol.
+ TRegexp exp("[_a-zA-Z][-\\._a-zA-Z0-9]*");
for (UInt_t i = 0; i < menu->NumberOfItems(); i++)
{
const AliHLTTriggerMenuItem* item = menu->Item(i);
// Ignore iso646.h and other keywords.
continue;
}
+
+ // We need to handle the special case where the symbol contains a dot.
+ // In C++ this is a dereferencing operator. So we need to check if the
+ // current symbol we are handling starts with the same string as any of
+ // the existing symbols defined manually in the symbols table.
+ // If we do find such a case then revert to treating the dot as an operator
+ // rather than part of the symbol name. i.e. skip adding the automatic symbol.
+ bool dereferencedSymbol = false;
+ for (int j = 0; j < initialEntryCount; j++)
+ {
+ const AliHLTTriggerMenuSymbol* symbol = dynamic_cast<const AliHLTTriggerMenuSymbol*>( list.UncheckedAt(j) );
+ if (symbol == NULL) continue;
+ TString symstr = symbol->Name();
+ symstr += ".";
+ if (s.BeginsWith(symstr))
+ {
+ dereferencedSymbol = true;
+ break;
+ }
+ }
+ if (dereferencedSymbol) continue;
// Need to create the symbols first and check if its name is in the list
// before actually adding it to the symbols list.
newSymbol.DefaultValue("false");
if (FindSymbol(newSymbol.Name(), list) == -1)
{
- new (list[list.GetEntriesFast()]) AliHLTTriggerMenuSymbol(newSymbol);
+ try
+ {
+ new (list[list.GetEntriesFast()]) AliHLTTriggerMenuSymbol(newSymbol);
+ }
+ catch (const std::bad_alloc&)
+ {
+ HLTError("Could not allocate more memory for the symbols list when adding a trigger name symbol.");
+ return -ENOMEM;
+ }
}
}
while (start < str.Length());
}
+ // This last part is necessary to make sure that symbols are replaced in the
+ // trigger condition and domain merging expressions in a greedy manner.
+ // I.e. we need to make sure that if one symbol's string representation is
+ // contained inside another (string subset) that the longer symbol name is
+ // always first in the symbols list.
+ // This will work because the symbol table is traversed from first to last
+ // element and TString::ReplaceAll is used to replace the substrings inside
+ // the AliHLTGlobalTriggerComponent::GenerateTrigger method.
+ std::vector<AliHLTTriggerMenuSymbol*> orderedList;
+ for (Int_t i = 0; i < list.GetEntriesFast(); i++)
+ {
+ orderedList.push_back( static_cast<AliHLTTriggerMenuSymbol*>(list.UncheckedAt(i)) );
+ }
+ std::sort(orderedList.begin(), orderedList.end(), AliHLTCheckForContainment);
+ //std::sort(orderedList.begin(), orderedList.end());
+ // Now swap values around according to the orderedList.
+ for (Int_t i = 0; i < list.GetEntriesFast(); i++)
+ {
+ AliHLTTriggerMenuSymbol* target = static_cast<AliHLTTriggerMenuSymbol*>(list.UncheckedAt(i));
+ AliHLTTriggerMenuSymbol tmp = *target;
+ *target = *orderedList[i];
+ *orderedList[i] = tmp;
+ }
+
return 0;
}
}
+bool AliHLTGlobalTriggerComponent::FillSoftwareTrigger()
+{
+ // Fills the fSoftwareTrigger structure.
+
+ if (fCDH == NULL) return false;
+ UChar_t l1msg = fCDH->GetL1TriggerMessage();
+ if ((l1msg & 0x1) == 0x0) return false; // skip physics events.
+ // From here on everything must be a software trigger.
+ if (((l1msg >> 2) & 0xF) == 0xE)
+ {
+ fSoftwareTrigger.Name("START_OF_DATA");
+ fSoftwareTrigger.Description("Generated internal start of data trigger.");
+ }
+ else if (((l1msg >> 2) & 0xF) == 0xF)
+ {
+ fSoftwareTrigger.Name("END_OF_DATA");
+ fSoftwareTrigger.Description("Generated internal end of data trigger.");
+ }
+ else if (((l1msg >> 6) & 0x1) == 0x1)
+ {
+ fSoftwareTrigger.Name("CALIBRATION");
+ fSoftwareTrigger.Description("Generated internal calibration trigger.");
+ }
+ else
+ {
+ fSoftwareTrigger.Name("SOFTWARE");
+ fSoftwareTrigger.Description("Generated internal software trigger.");
+ }
+ UInt_t detectors = fCDH->GetSubDetectors();
+ fSoftwareTrigger.ReadoutList( AliHLTReadoutList(Int_t(detectors)) );
+ return true;
+}
+
+
int AliHLTGlobalTriggerComponent::PrintStatistics(const AliHLTGlobalTrigger* pTrigger, AliHLTComponentLogSeverity level, int offset) const
{
// print some statistics
- int totalEvents=GetEventCount()+offset;
+ int totalEvents=fTotalEventCounter+offset;
const TArrayL64& counters = pTrigger->GetCounters();
if (pTrigger->CallFailed()) return -EPROTO;
for (int i = 0; i < counters.GetSize(); i++) {
AliHLTUInt64_t triggerMask=pCTPData->Mask();
AliHLTUInt64_t bit0=0x1;
if (!fCTPDecisions) {
- fCTPDecisions=new TClonesArray(AliHLTTriggerDecision::Class(), gkNCTPTriggerClasses);
+ try
+ {
+ fCTPDecisions=new TClonesArray(AliHLTTriggerDecision::Class(), gkNCTPTriggerClasses);
+ }
+ catch (const std::bad_alloc&)
+ {
+ HLTError("Could not allocate memory for the CTP decisions array.");
+ return -ENOMEM;
+ }
if (!fCTPDecisions) return -ENOMEM;
- fCTPDecisions->ExpandCreate(gkNCTPTriggerClasses);
+ try
+ {
+ fCTPDecisions->ExpandCreate(gkNCTPTriggerClasses);
+ }
+ catch (const std::bad_alloc&)
+ {
+ HLTError("Could not allocate more memory for the CTP decisions array.");
+ return -ENOMEM;
+ }
for (int i=0; i<gkNCTPTriggerClasses; i++) {
const char* name=pCTPData->Name(i);
if (triggerMask&(bit0<<i) && name) {
if (!pDecision) return -ENOENT;
bool result=false;
- if (trigData) result=pCTPData->EvaluateCTPTriggerClass(name, *trigData);
- else result=pCTPData->EvaluateCTPTriggerClass(name);
+ // 13 March 2010 - Optimisation:
+ // Dont use the EvaluateCTPTriggerClass method, which uses slow TFormula objects.
+ AliHLTUInt64_t triggers = 0;
+ if (trigData) triggers = pCTPData->ActiveTriggers(*trigData);
+ else triggers = pCTPData->Triggers();
+ result = (triggers&((AliHLTUInt64_t)0x1<<i)) ? true : false;
+ //if (trigData) result=pCTPData->EvaluateCTPTriggerClass(name, *trigData);
+ //else result=pCTPData->EvaluateCTPTriggerClass(name);
pDecision->Result(result);
pDecision->TriggerDomain().Clear();
if (trigData) pDecision->TriggerDomain().Add(pCTPData->ReadoutList(*trigData));
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff