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821 lines
22 KiB
821 lines
22 KiB
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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#include "cmCTestMultiProcessHandler.h"
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#include "cmProcess.h"
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#include "cmStandardIncludes.h"
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#include "cmCTest.h"
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#include "cmSystemTools.h"
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#include <stdlib.h>
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#include <stack>
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#include <list>
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#include <float.h>
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#include <cmsys/FStream.hxx>
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class TestComparator
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{
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public:
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TestComparator(cmCTestMultiProcessHandler* handler) : Handler(handler) {}
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~TestComparator() {}
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// Sorts tests in descending order of cost
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bool operator() (int index1, int index2) const
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{
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return Handler->Properties[index1]->Cost >
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Handler->Properties[index2]->Cost;
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}
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private:
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cmCTestMultiProcessHandler* Handler;
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};
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cmCTestMultiProcessHandler::cmCTestMultiProcessHandler()
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{
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this->ParallelLevel = 1;
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this->Completed = 0;
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this->RunningCount = 0;
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this->StopTimePassed = false;
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this->HasCycles = false;
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}
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cmCTestMultiProcessHandler::~cmCTestMultiProcessHandler()
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{
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}
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// Set the tests
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void
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cmCTestMultiProcessHandler::SetTests(TestMap& tests,
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PropertiesMap& properties)
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{
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this->Tests = tests;
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this->Properties = properties;
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this->Total = this->Tests.size();
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// set test run map to false for all
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for(TestMap::iterator i = this->Tests.begin();
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i != this->Tests.end(); ++i)
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{
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this->TestRunningMap[i->first] = false;
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this->TestFinishMap[i->first] = false;
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}
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if(!this->CTest->GetShowOnly())
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{
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this->ReadCostData();
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this->HasCycles = !this->CheckCycles();
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if(this->HasCycles)
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{
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return;
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}
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this->CreateTestCostList();
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}
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}
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// Set the max number of tests that can be run at the same time.
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void cmCTestMultiProcessHandler::SetParallelLevel(size_t level)
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{
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this->ParallelLevel = level < 1 ? 1 : level;
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}
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//---------------------------------------------------------
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void cmCTestMultiProcessHandler::RunTests()
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{
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this->CheckResume();
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if(this->HasCycles)
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{
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return;
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}
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this->TestHandler->SetMaxIndex(this->FindMaxIndex());
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this->StartNextTests();
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while(!this->Tests.empty())
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{
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if(this->StopTimePassed)
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{
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return;
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}
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this->CheckOutput();
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this->StartNextTests();
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}
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// let all running tests finish
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while(this->CheckOutput())
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{
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}
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this->MarkFinished();
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this->UpdateCostData();
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}
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//---------------------------------------------------------
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void cmCTestMultiProcessHandler::StartTestProcess(int test)
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{
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cmCTestOptionalLog(this->CTest, HANDLER_VERBOSE_OUTPUT,
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"test " << test << "\n", this->Quiet);
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this->TestRunningMap[test] = true; // mark the test as running
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// now remove the test itself
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this->EraseTest(test);
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this->RunningCount += GetProcessorsUsed(test);
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cmCTestRunTest* testRun = new cmCTestRunTest(this->TestHandler);
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if(this->CTest->GetRepeatUntilFail())
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{
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testRun->SetRunUntilFailOn();
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testRun->SetNumberOfRuns(this->CTest->GetTestRepeat());
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}
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testRun->SetIndex(test);
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testRun->SetTestProperties(this->Properties[test]);
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std::string current_dir = cmSystemTools::GetCurrentWorkingDirectory();
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cmSystemTools::ChangeDirectory(this->Properties[test]->Directory);
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// Lock the resources we'll be using
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this->LockResources(test);
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if(testRun->StartTest(this->Total))
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{
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this->RunningTests.insert(testRun);
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}
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else if(testRun->IsStopTimePassed())
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{
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this->StopTimePassed = true;
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delete testRun;
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return;
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}
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else
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{
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for(TestMap::iterator j = this->Tests.begin();
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j != this->Tests.end(); ++j)
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{
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j->second.erase(test);
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}
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this->UnlockResources(test);
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this->Completed++;
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this->TestFinishMap[test] = true;
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this->TestRunningMap[test] = false;
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this->RunningCount -= GetProcessorsUsed(test);
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testRun->EndTest(this->Completed, this->Total, false);
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this->Failed->push_back(this->Properties[test]->Name);
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delete testRun;
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}
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cmSystemTools::ChangeDirectory(current_dir);
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}
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//---------------------------------------------------------
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void cmCTestMultiProcessHandler::LockResources(int index)
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{
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this->LockedResources.insert(
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this->Properties[index]->LockedResources.begin(),
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this->Properties[index]->LockedResources.end());
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}
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//---------------------------------------------------------
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void cmCTestMultiProcessHandler::UnlockResources(int index)
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{
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for(std::set<std::string>::iterator i =
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this->Properties[index]->LockedResources.begin();
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i != this->Properties[index]->LockedResources.end(); ++i)
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{
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this->LockedResources.erase(*i);
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}
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}
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//---------------------------------------------------------
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void cmCTestMultiProcessHandler::EraseTest(int test)
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{
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this->Tests.erase(test);
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this->SortedTests.erase(
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std::find(this->SortedTests.begin(), this->SortedTests.end(), test));
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}
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//---------------------------------------------------------
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inline size_t cmCTestMultiProcessHandler::GetProcessorsUsed(int test)
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{
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size_t processors =
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static_cast<int>(this->Properties[test]->Processors);
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//If this is set to run serially, it must run alone.
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//Also, if processors setting is set higher than the -j
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//setting, we default to using all of the process slots.
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if(this->Properties[test]->RunSerial
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|| processors > this->ParallelLevel)
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{
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processors = this->ParallelLevel;
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}
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return processors;
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}
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//---------------------------------------------------------
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bool cmCTestMultiProcessHandler::StartTest(int test)
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{
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//Check for locked resources
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for(std::set<std::string>::iterator i =
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this->Properties[test]->LockedResources.begin();
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i != this->Properties[test]->LockedResources.end(); ++i)
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{
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if(this->LockedResources.find(*i) != this->LockedResources.end())
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{
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return false;
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}
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}
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// if there are no depends left then run this test
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if(this->Tests[test].empty())
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{
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this->StartTestProcess(test);
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return true;
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}
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// This test was not able to start because it is waiting
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// on depends to run
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return false;
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}
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//---------------------------------------------------------
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void cmCTestMultiProcessHandler::StartNextTests()
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{
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size_t numToStart = 0;
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if(this->RunningCount < this->ParallelLevel)
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{
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numToStart = this->ParallelLevel - this->RunningCount;
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}
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if(numToStart == 0)
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{
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return;
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}
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TestList copy = this->SortedTests;
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for(TestList::iterator test = copy.begin(); test != copy.end(); ++test)
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{
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size_t processors = GetProcessorsUsed(*test);
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if(processors <= numToStart && this->StartTest(*test))
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{
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if(this->StopTimePassed)
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{
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return;
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}
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numToStart -= processors;
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}
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else if(numToStart == 0)
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{
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return;
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}
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}
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}
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//---------------------------------------------------------
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bool cmCTestMultiProcessHandler::CheckOutput()
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{
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// no more output we are done
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if(this->RunningTests.empty())
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{
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return false;
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}
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std::vector<cmCTestRunTest*> finished;
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std::string out, err;
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for(std::set<cmCTestRunTest*>::const_iterator i = this->RunningTests.begin();
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i != this->RunningTests.end(); ++i)
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{
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cmCTestRunTest* p = *i;
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if(!p->CheckOutput())
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{
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finished.push_back(p);
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}
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}
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for( std::vector<cmCTestRunTest*>::iterator i = finished.begin();
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i != finished.end(); ++i)
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{
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this->Completed++;
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cmCTestRunTest* p = *i;
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int test = p->GetIndex();
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bool testResult = p->EndTest(this->Completed, this->Total, true);
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if(p->StartAgain())
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{
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this->Completed--; // remove the completed test because run again
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continue;
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}
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if(testResult)
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{
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this->Passed->push_back(p->GetTestProperties()->Name);
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}
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else
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{
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this->Failed->push_back(p->GetTestProperties()->Name);
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}
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for(TestMap::iterator j = this->Tests.begin();
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j != this->Tests.end(); ++j)
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{
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j->second.erase(test);
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}
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this->TestFinishMap[test] = true;
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this->TestRunningMap[test] = false;
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this->RunningTests.erase(p);
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this->WriteCheckpoint(test);
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this->UnlockResources(test);
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this->RunningCount -= GetProcessorsUsed(test);
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delete p;
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}
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return true;
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}
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//---------------------------------------------------------
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void cmCTestMultiProcessHandler::UpdateCostData()
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{
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std::string fname = this->CTest->GetCostDataFile();
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std::string tmpout = fname + ".tmp";
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cmsys::ofstream fout;
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fout.open(tmpout.c_str());
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PropertiesMap temp = this->Properties;
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if(cmSystemTools::FileExists(fname.c_str()))
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{
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cmsys::ifstream fin;
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fin.open(fname.c_str());
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std::string line;
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while(std::getline(fin, line))
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{
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if(line == "---") break;
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std::vector<cmsys::String> parts =
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cmSystemTools::SplitString(line, ' ');
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//Format: <name> <previous_runs> <avg_cost>
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if(parts.size() < 3) break;
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std::string name = parts[0];
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int prev = atoi(parts[1].c_str());
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float cost = static_cast<float>(atof(parts[2].c_str()));
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int index = this->SearchByName(name);
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if(index == -1)
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{
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// This test is not in memory. We just rewrite the entry
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fout << name << " " << prev << " " << cost << "\n";
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}
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else
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{
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// Update with our new average cost
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fout << name << " " << this->Properties[index]->PreviousRuns << " "
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<< this->Properties[index]->Cost << "\n";
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temp.erase(index);
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}
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}
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fin.close();
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cmSystemTools::RemoveFile(fname);
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}
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// Add all tests not previously listed in the file
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for(PropertiesMap::iterator i = temp.begin(); i != temp.end(); ++i)
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{
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fout << i->second->Name << " " << i->second->PreviousRuns << " "
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<< i->second->Cost << "\n";
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}
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// Write list of failed tests
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fout << "---\n";
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for(std::vector<std::string>::iterator i = this->Failed->begin();
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i != this->Failed->end(); ++i)
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{
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fout << i->c_str() << "\n";
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}
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fout.close();
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cmSystemTools::RenameFile(tmpout.c_str(), fname.c_str());
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}
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//---------------------------------------------------------
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void cmCTestMultiProcessHandler::ReadCostData()
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{
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std::string fname = this->CTest->GetCostDataFile();
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if(cmSystemTools::FileExists(fname.c_str(), true))
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{
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cmsys::ifstream fin;
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fin.open(fname.c_str());
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std::string line;
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while(std::getline(fin, line))
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{
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if(line == "---") break;
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std::vector<cmsys::String> parts =
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cmSystemTools::SplitString(line, ' ');
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// Probably an older version of the file, will be fixed next run
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if(parts.size() < 3)
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{
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fin.close();
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return;
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}
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std::string name = parts[0];
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int prev = atoi(parts[1].c_str());
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float cost = static_cast<float>(atof(parts[2].c_str()));
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int index = this->SearchByName(name);
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if(index == -1) continue;
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this->Properties[index]->PreviousRuns = prev;
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// When not running in parallel mode, don't use cost data
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if(this->ParallelLevel > 1 &&
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this->Properties[index] &&
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this->Properties[index]->Cost == 0)
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{
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this->Properties[index]->Cost = cost;
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}
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}
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// Next part of the file is the failed tests
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while(std::getline(fin, line))
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{
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if(line != "")
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{
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this->LastTestsFailed.push_back(line);
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}
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}
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fin.close();
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}
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}
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//---------------------------------------------------------
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int cmCTestMultiProcessHandler::SearchByName(std::string name)
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{
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int index = -1;
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for(PropertiesMap::iterator i = this->Properties.begin();
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i != this->Properties.end(); ++i)
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{
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if(i->second->Name == name)
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{
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index = i->first;
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}
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}
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return index;
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}
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//---------------------------------------------------------
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void cmCTestMultiProcessHandler::CreateTestCostList()
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{
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if(this->ParallelLevel > 1)
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{
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CreateParallelTestCostList();
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}
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else
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{
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CreateSerialTestCostList();
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}
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}
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//---------------------------------------------------------
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void cmCTestMultiProcessHandler::CreateParallelTestCostList()
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{
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TestSet alreadySortedTests;
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std::list<TestSet> priorityStack;
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priorityStack.push_back(TestSet());
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TestSet &topLevel = priorityStack.back();
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// In parallel test runs add previously failed tests to the front
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// of the cost list and queue other tests for further sorting
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for(TestMap::const_iterator i = this->Tests.begin();
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i != this->Tests.end(); ++i)
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{
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if(std::find(this->LastTestsFailed.begin(), this->LastTestsFailed.end(),
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this->Properties[i->first]->Name) != this->LastTestsFailed.end())
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{
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//If the test failed last time, it should be run first.
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this->SortedTests.push_back(i->first);
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alreadySortedTests.insert(i->first);
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}
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else
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{
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topLevel.insert(i->first);
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}
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}
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|
|
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// In parallel test runs repeatedly move dependencies of the tests on
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// the current dependency level to the next level until no
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// further dependencies exist.
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while(priorityStack.back().size())
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{
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TestSet &previousSet = priorityStack.back();
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priorityStack.push_back(TestSet());
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TestSet ¤tSet = priorityStack.back();
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|
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for(TestSet::const_iterator i = previousSet.begin();
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i != previousSet.end(); ++i)
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{
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TestSet const& dependencies = this->Tests[*i];
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currentSet.insert(dependencies.begin(), dependencies.end());
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}
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for(TestSet::const_iterator i = currentSet.begin();
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i != currentSet.end(); ++i)
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{
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previousSet.erase(*i);
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}
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|
}
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|
|
// Remove the empty dependency level
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priorityStack.pop_back();
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|
|
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// Reverse iterate over the different dependency levels (deepest first).
|
|
// Sort tests within each level by COST and append them to the cost list.
|
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for(std::list<TestSet>::reverse_iterator i = priorityStack.rbegin();
|
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i != priorityStack.rend(); ++i)
|
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{
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TestSet const& currentSet = *i;
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TestComparator comp(this);
|
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|
|
TestList sortedCopy;
|
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sortedCopy.insert(sortedCopy.end(),
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currentSet.begin(), currentSet.end());
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std::stable_sort(sortedCopy.begin(), sortedCopy.end(), comp);
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for(TestList::const_iterator j = sortedCopy.begin();
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j != sortedCopy.end(); ++j)
|
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{
|
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if(alreadySortedTests.find(*j) == alreadySortedTests.end())
|
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{
|
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this->SortedTests.push_back(*j);
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alreadySortedTests.insert(*j);
|
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}
|
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}
|
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}
|
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}
|
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|
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//---------------------------------------------------------
|
|
void cmCTestMultiProcessHandler::GetAllTestDependencies(
|
|
int test, TestList& dependencies)
|
|
{
|
|
TestSet const& dependencySet = this->Tests[test];
|
|
for(TestSet::const_iterator i = dependencySet.begin();
|
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i != dependencySet.end(); ++i)
|
|
{
|
|
GetAllTestDependencies(*i, dependencies);
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dependencies.push_back(*i);
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|
}
|
|
}
|
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|
|
//---------------------------------------------------------
|
|
void cmCTestMultiProcessHandler::CreateSerialTestCostList()
|
|
{
|
|
TestList presortedList;
|
|
|
|
for(TestMap::iterator i = this->Tests.begin();
|
|
i != this->Tests.end(); ++i)
|
|
{
|
|
presortedList.push_back(i->first);
|
|
}
|
|
|
|
TestComparator comp(this);
|
|
std::stable_sort(presortedList.begin(), presortedList.end(), comp);
|
|
|
|
TestSet alreadySortedTests;
|
|
|
|
for(TestList::const_iterator i = presortedList.begin();
|
|
i != presortedList.end(); ++i)
|
|
{
|
|
int test = *i;
|
|
|
|
if(alreadySortedTests.find(test) != alreadySortedTests.end())
|
|
{
|
|
continue;
|
|
}
|
|
|
|
TestList dependencies;
|
|
GetAllTestDependencies(test, dependencies);
|
|
|
|
for(TestList::const_iterator j = dependencies.begin();
|
|
j != dependencies.end(); ++j)
|
|
{
|
|
int testDependency = *j;
|
|
|
|
if(alreadySortedTests.find(testDependency) == alreadySortedTests.end())
|
|
{
|
|
alreadySortedTests.insert(testDependency);
|
|
this->SortedTests.push_back(testDependency);
|
|
}
|
|
}
|
|
|
|
alreadySortedTests.insert(test);
|
|
this->SortedTests.push_back(test);
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
void cmCTestMultiProcessHandler::WriteCheckpoint(int index)
|
|
{
|
|
std::string fname = this->CTest->GetBinaryDir()
|
|
+ "/Testing/Temporary/CTestCheckpoint.txt";
|
|
cmsys::ofstream fout;
|
|
fout.open(fname.c_str(), std::ios::app);
|
|
fout << index << "\n";
|
|
fout.close();
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
void cmCTestMultiProcessHandler::MarkFinished()
|
|
{
|
|
std::string fname = this->CTest->GetBinaryDir()
|
|
+ "/Testing/Temporary/CTestCheckpoint.txt";
|
|
cmSystemTools::RemoveFile(fname);
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
//For ShowOnly mode
|
|
void cmCTestMultiProcessHandler::PrintTestList()
|
|
{
|
|
this->TestHandler->SetMaxIndex(this->FindMaxIndex());
|
|
int count = 0;
|
|
|
|
for (PropertiesMap::iterator it = this->Properties.begin();
|
|
it != this->Properties.end(); ++it)
|
|
{
|
|
count++;
|
|
cmCTestTestHandler::cmCTestTestProperties& p = *it->second;
|
|
|
|
//push working dir
|
|
std::string current_dir = cmSystemTools::GetCurrentWorkingDirectory();
|
|
cmSystemTools::ChangeDirectory(p.Directory);
|
|
|
|
cmCTestRunTest testRun(this->TestHandler);
|
|
testRun.SetIndex(p.Index);
|
|
testRun.SetTestProperties(&p);
|
|
testRun.ComputeArguments(); //logs the command in verbose mode
|
|
|
|
if(!p.Labels.empty()) //print the labels
|
|
{
|
|
cmCTestOptionalLog(this->CTest, HANDLER_VERBOSE_OUTPUT, "Labels:",
|
|
this->Quiet);
|
|
}
|
|
for(std::vector<std::string>::iterator label = p.Labels.begin();
|
|
label != p.Labels.end(); ++label)
|
|
{
|
|
cmCTestOptionalLog(this->CTest, HANDLER_VERBOSE_OUTPUT, " " << *label,
|
|
this->Quiet);
|
|
}
|
|
if(!p.Labels.empty()) //print the labels
|
|
{
|
|
cmCTestOptionalLog(this->CTest, HANDLER_VERBOSE_OUTPUT, std::endl,
|
|
this->Quiet);
|
|
}
|
|
|
|
if (this->TestHandler->MemCheck)
|
|
{
|
|
cmCTestOptionalLog(this->CTest, HANDLER_OUTPUT, " Memory Check",
|
|
this->Quiet);
|
|
}
|
|
else
|
|
{
|
|
cmCTestOptionalLog(this->CTest, HANDLER_OUTPUT, " Test", this->Quiet);
|
|
}
|
|
std::ostringstream indexStr;
|
|
indexStr << " #" << p.Index << ":";
|
|
cmCTestOptionalLog(this->CTest, HANDLER_OUTPUT,
|
|
std::setw(3 + getNumWidth(this->TestHandler->GetMaxIndex()))
|
|
<< indexStr.str(), this->Quiet);
|
|
cmCTestOptionalLog(this->CTest, HANDLER_OUTPUT, " ", this->Quiet);
|
|
cmCTestOptionalLog(this->CTest, HANDLER_OUTPUT,
|
|
p.Name.c_str() << std::endl, this->Quiet);
|
|
//pop working dir
|
|
cmSystemTools::ChangeDirectory(current_dir);
|
|
}
|
|
|
|
cmCTestOptionalLog(this->CTest, HANDLER_OUTPUT, std::endl << "Total Tests: "
|
|
<< this->Total << std::endl, this->Quiet);
|
|
}
|
|
|
|
void cmCTestMultiProcessHandler::PrintLabels()
|
|
{
|
|
std::set<std::string> allLabels;
|
|
for (PropertiesMap::iterator it = this->Properties.begin();
|
|
it != this->Properties.end(); ++it)
|
|
{
|
|
cmCTestTestHandler::cmCTestTestProperties& p = *it->second;
|
|
allLabels.insert(p.Labels.begin(), p.Labels.end());
|
|
}
|
|
|
|
if(!allLabels.empty())
|
|
{
|
|
cmCTestOptionalLog(this->CTest, HANDLER_OUTPUT,
|
|
"All Labels:" << std::endl, this->Quiet);
|
|
}
|
|
else
|
|
{
|
|
cmCTestOptionalLog(this->CTest, HANDLER_OUTPUT,
|
|
"No Labels Exist" << std::endl, this->Quiet);
|
|
}
|
|
for(std::set<std::string>::iterator label = allLabels.begin();
|
|
label != allLabels.end(); ++label)
|
|
{
|
|
cmCTestOptionalLog(this->CTest, HANDLER_OUTPUT,
|
|
" " << *label << std::endl, this->Quiet);
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
void cmCTestMultiProcessHandler::CheckResume()
|
|
{
|
|
std::string fname = this->CTest->GetBinaryDir()
|
|
+ "/Testing/Temporary/CTestCheckpoint.txt";
|
|
if(this->CTest->GetFailover())
|
|
{
|
|
if(cmSystemTools::FileExists(fname.c_str(), true))
|
|
{
|
|
*this->TestHandler->LogFile << "Resuming previously interrupted test set"
|
|
<< std::endl
|
|
<< "----------------------------------------------------------"
|
|
<< std::endl;
|
|
|
|
cmsys::ifstream fin;
|
|
fin.open(fname.c_str());
|
|
std::string line;
|
|
while(std::getline(fin, line))
|
|
{
|
|
int index = atoi(line.c_str());
|
|
this->RemoveTest(index);
|
|
}
|
|
fin.close();
|
|
}
|
|
}
|
|
else if(cmSystemTools::FileExists(fname.c_str(), true))
|
|
{
|
|
cmSystemTools::RemoveFile(fname);
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
void cmCTestMultiProcessHandler::RemoveTest(int index)
|
|
{
|
|
this->EraseTest(index);
|
|
this->Properties.erase(index);
|
|
this->TestRunningMap[index] = false;
|
|
this->TestFinishMap[index] = true;
|
|
this->Completed++;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
int cmCTestMultiProcessHandler::FindMaxIndex()
|
|
{
|
|
int max = 0;
|
|
cmCTestMultiProcessHandler::TestMap::iterator i = this->Tests.begin();
|
|
for(; i != this->Tests.end(); ++i)
|
|
{
|
|
if(i->first > max)
|
|
{
|
|
max = i->first;
|
|
}
|
|
}
|
|
return max;
|
|
}
|
|
|
|
//Returns true if no cycles exist in the dependency graph
|
|
bool cmCTestMultiProcessHandler::CheckCycles()
|
|
{
|
|
cmCTestOptionalLog(this->CTest, HANDLER_VERBOSE_OUTPUT,
|
|
"Checking test dependency graph..." << std::endl, this->Quiet);
|
|
for(TestMap::iterator it = this->Tests.begin();
|
|
it != this->Tests.end(); ++it)
|
|
{
|
|
//DFS from each element to itself
|
|
int root = it->first;
|
|
std::set<int> visited;
|
|
std::stack<int> s;
|
|
s.push(root);
|
|
while(!s.empty())
|
|
{
|
|
int test = s.top();
|
|
s.pop();
|
|
if(visited.insert(test).second)
|
|
{
|
|
for(TestSet::iterator d = this->Tests[test].begin();
|
|
d != this->Tests[test].end(); ++d)
|
|
{
|
|
if(*d == root)
|
|
{
|
|
//cycle exists
|
|
cmCTestLog(this->CTest, ERROR_MESSAGE,
|
|
"Error: a cycle exists in the test dependency graph "
|
|
"for the test \"" << this->Properties[root]->Name <<
|
|
"\".\nPlease fix the cycle and run ctest again.\n");
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
s.push(*d);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
cmCTestOptionalLog(this->CTest, HANDLER_VERBOSE_OUTPUT,
|
|
"Checking test dependency graph end" << std::endl, this->Quiet);
|
|
return true;
|
|
}
|