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-rw-r--r--Source/CTest/cmCTestMultiProcessHandler.cxx1224
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diff --git a/Source/CTest/cmCTestMultiProcessHandler.cxx b/Source/CTest/cmCTestMultiProcessHandler.cxx
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+++ b/Source/CTest/cmCTestMultiProcessHandler.cxx
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+/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
+ file Copyright.txt or https://cmake.org/licensing for details. */
+#include "cmCTestMultiProcessHandler.h"
+
+#include "cmAffinity.h"
+#include "cmCTest.h"
+#include "cmCTestRunTest.h"
+#include "cmCTestTestHandler.h"
+#include "cmDuration.h"
+#include "cmListFileCache.h"
+#include "cmRange.h"
+#include "cmSystemTools.h"
+#include "cmWorkingDirectory.h"
+
+#include "cm_jsoncpp_value.h"
+#include "cm_jsoncpp_writer.h"
+#include "cm_uv.h"
+
+#include "cmUVSignalHackRAII.h" // IWYU pragma: keep
+
+#include "cmsys/FStream.hxx"
+#include "cmsys/SystemInformation.hxx"
+
+#include <algorithm>
+#include <chrono>
+#include <cstring>
+#include <iomanip>
+#include <iostream>
+#include <list>
+#include <math.h>
+#include <sstream>
+#include <stack>
+#include <stdlib.h>
+#include <unordered_map>
+#include <utility>
+
+namespace cmsys {
+class RegularExpression;
+}
+
+class TestComparator
+{
+public:
+ TestComparator(cmCTestMultiProcessHandler* handler)
+ : Handler(handler)
+ {
+ }
+
+ // Sorts tests in descending order of cost
+ bool operator()(int index1, int index2) const
+ {
+ return Handler->Properties[index1]->Cost >
+ Handler->Properties[index2]->Cost;
+ }
+
+private:
+ cmCTestMultiProcessHandler* Handler;
+};
+
+cmCTestMultiProcessHandler::cmCTestMultiProcessHandler()
+{
+ this->ParallelLevel = 1;
+ this->TestLoad = 0;
+ this->FakeLoadForTesting = 0;
+ this->Completed = 0;
+ this->RunningCount = 0;
+ this->ProcessorsAvailable = cmAffinity::GetProcessorsAvailable();
+ this->HaveAffinity = this->ProcessorsAvailable.size();
+ this->HasCycles = false;
+ this->SerialTestRunning = false;
+}
+
+cmCTestMultiProcessHandler::~cmCTestMultiProcessHandler() = default;
+
+// Set the tests
+void cmCTestMultiProcessHandler::SetTests(TestMap& tests,
+ PropertiesMap& properties)
+{
+ this->Tests = tests;
+ this->Properties = properties;
+ this->Total = this->Tests.size();
+ // set test run map to false for all
+ for (auto const& t : this->Tests) {
+ this->TestRunningMap[t.first] = false;
+ this->TestFinishMap[t.first] = false;
+ }
+ if (!this->CTest->GetShowOnly()) {
+ this->ReadCostData();
+ this->HasCycles = !this->CheckCycles();
+ if (this->HasCycles) {
+ return;
+ }
+ this->CreateTestCostList();
+ }
+}
+
+// Set the max number of tests that can be run at the same time.
+void cmCTestMultiProcessHandler::SetParallelLevel(size_t level)
+{
+ this->ParallelLevel = level < 1 ? 1 : level;
+}
+
+void cmCTestMultiProcessHandler::SetTestLoad(unsigned long load)
+{
+ this->TestLoad = load;
+
+ std::string fake_load_value;
+ if (cmSystemTools::GetEnv("__CTEST_FAKE_LOAD_AVERAGE_FOR_TESTING",
+ fake_load_value)) {
+ if (!cmSystemTools::StringToULong(fake_load_value.c_str(),
+ &this->FakeLoadForTesting)) {
+ cmSystemTools::Error("Failed to parse fake load value: " +
+ fake_load_value);
+ }
+ }
+}
+
+void cmCTestMultiProcessHandler::RunTests()
+{
+ this->CheckResume();
+ if (this->HasCycles) {
+ return;
+ }
+#ifdef CMAKE_UV_SIGNAL_HACK
+ cmUVSignalHackRAII hackRAII;
+#endif
+ this->TestHandler->SetMaxIndex(this->FindMaxIndex());
+
+ uv_loop_init(&this->Loop);
+ this->StartNextTests();
+ uv_run(&this->Loop, UV_RUN_DEFAULT);
+ uv_loop_close(&this->Loop);
+
+ this->MarkFinished();
+ this->UpdateCostData();
+}
+
+bool cmCTestMultiProcessHandler::StartTestProcess(int test)
+{
+ if (this->HaveAffinity && this->Properties[test]->WantAffinity) {
+ size_t needProcessors = this->GetProcessorsUsed(test);
+ if (needProcessors > this->ProcessorsAvailable.size()) {
+ return false;
+ }
+ std::vector<size_t> affinity;
+ affinity.reserve(needProcessors);
+ for (size_t i = 0; i < needProcessors; ++i) {
+ auto p = this->ProcessorsAvailable.begin();
+ affinity.push_back(*p);
+ this->ProcessorsAvailable.erase(p);
+ }
+ this->Properties[test]->Affinity = std::move(affinity);
+ }
+
+ cmCTestOptionalLog(this->CTest, HANDLER_VERBOSE_OUTPUT,
+ "test " << test << "\n", this->Quiet);
+ this->TestRunningMap[test] = true; // mark the test as running
+ // now remove the test itself
+ this->EraseTest(test);
+ this->RunningCount += GetProcessorsUsed(test);
+
+ cmCTestRunTest* testRun = new cmCTestRunTest(*this);
+ if (this->CTest->GetRepeatUntilFail()) {
+ testRun->SetRunUntilFailOn();
+ testRun->SetNumberOfRuns(this->CTest->GetTestRepeat());
+ }
+ testRun->SetIndex(test);
+ testRun->SetTestProperties(this->Properties[test]);
+
+ // Find any failed dependencies for this test. We assume the more common
+ // scenario has no failed tests, so make it the outer loop.
+ for (std::string const& f : *this->Failed) {
+ if (this->Properties[test]->RequireSuccessDepends.find(f) !=
+ this->Properties[test]->RequireSuccessDepends.end()) {
+ testRun->AddFailedDependency(f);
+ }
+ }
+
+ // Always lock the resources we'll be using, even if we fail to set the
+ // working directory because FinishTestProcess() will try to unlock them
+ this->LockResources(test);
+
+ cmWorkingDirectory workdir(this->Properties[test]->Directory);
+ if (workdir.Failed()) {
+ testRun->StartFailure("Failed to change working directory to " +
+ this->Properties[test]->Directory + " : " +
+ std::strerror(workdir.GetLastResult()));
+ } else {
+ if (testRun->StartTest(this->Completed, this->Total)) {
+ return true;
+ }
+ }
+
+ this->FinishTestProcess(testRun, false);
+ return false;
+}
+
+bool cmCTestMultiProcessHandler::CheckStopTimePassed()
+{
+ if (!this->StopTimePassed) {
+ std::chrono::system_clock::time_point stop_time =
+ this->CTest->GetStopTime();
+ if (stop_time != std::chrono::system_clock::time_point() &&
+ stop_time <= std::chrono::system_clock::now()) {
+ this->SetStopTimePassed();
+ }
+ }
+ return this->StopTimePassed;
+}
+
+void cmCTestMultiProcessHandler::SetStopTimePassed()
+{
+ if (!this->StopTimePassed) {
+ cmCTestLog(this->CTest, ERROR_MESSAGE,
+ "The stop time has been passed. "
+ "Stopping all tests."
+ << std::endl);
+ this->StopTimePassed = true;
+ }
+}
+
+void cmCTestMultiProcessHandler::LockResources(int index)
+{
+ this->LockedResources.insert(
+ this->Properties[index]->LockedResources.begin(),
+ this->Properties[index]->LockedResources.end());
+
+ if (this->Properties[index]->RunSerial) {
+ this->SerialTestRunning = true;
+ }
+}
+
+void cmCTestMultiProcessHandler::UnlockResources(int index)
+{
+ for (std::string const& i : this->Properties[index]->LockedResources) {
+ this->LockedResources.erase(i);
+ }
+ if (this->Properties[index]->RunSerial) {
+ this->SerialTestRunning = false;
+ }
+}
+
+void cmCTestMultiProcessHandler::EraseTest(int test)
+{
+ this->Tests.erase(test);
+ this->SortedTests.erase(
+ std::find(this->SortedTests.begin(), this->SortedTests.end(), test));
+}
+
+inline size_t cmCTestMultiProcessHandler::GetProcessorsUsed(int test)
+{
+ size_t processors = static_cast<int>(this->Properties[test]->Processors);
+ // If processors setting is set higher than the -j
+ // setting, we default to using all of the process slots.
+ if (processors > this->ParallelLevel) {
+ processors = this->ParallelLevel;
+ }
+ // Cap tests that want affinity to the maximum affinity available.
+ if (this->HaveAffinity && processors > this->HaveAffinity &&
+ this->Properties[test]->WantAffinity) {
+ processors = this->HaveAffinity;
+ }
+ return processors;
+}
+
+std::string cmCTestMultiProcessHandler::GetName(int test)
+{
+ return this->Properties[test]->Name;
+}
+
+bool cmCTestMultiProcessHandler::StartTest(int test)
+{
+ // Check for locked resources
+ for (std::string const& i : this->Properties[test]->LockedResources) {
+ if (this->LockedResources.find(i) != this->LockedResources.end()) {
+ return false;
+ }
+ }
+
+ // if there are no depends left then run this test
+ if (this->Tests[test].empty()) {
+ return this->StartTestProcess(test);
+ }
+ // This test was not able to start because it is waiting
+ // on depends to run
+ return false;
+}
+
+void cmCTestMultiProcessHandler::StartNextTests()
+{
+ if (this->TestLoadRetryTimer.get() != nullptr) {
+ // This timer may be waiting to call StartNextTests again.
+ // Since we have been called it is no longer needed.
+ uv_timer_stop(this->TestLoadRetryTimer);
+ }
+
+ if (this->Tests.empty()) {
+ this->TestLoadRetryTimer.reset();
+ return;
+ }
+
+ if (this->CheckStopTimePassed()) {
+ return;
+ }
+
+ size_t numToStart = 0;
+
+ if (this->RunningCount < this->ParallelLevel) {
+ numToStart = this->ParallelLevel - this->RunningCount;
+ }
+
+ if (numToStart == 0) {
+ return;
+ }
+
+ // Don't start any new tests if one with the RUN_SERIAL property
+ // is already running.
+ if (this->SerialTestRunning) {
+ return;
+ }
+
+ bool allTestsFailedTestLoadCheck = false;
+ size_t minProcessorsRequired = this->ParallelLevel;
+ std::string testWithMinProcessors;
+
+ cmsys::SystemInformation info;
+
+ unsigned long systemLoad = 0;
+ size_t spareLoad = 0;
+ if (this->TestLoad > 0) {
+ // Activate possible wait.
+ allTestsFailedTestLoadCheck = true;
+
+ // Check for a fake load average value used in testing.
+ if (this->FakeLoadForTesting > 0) {
+ systemLoad = this->FakeLoadForTesting;
+ // Drop the fake load for the next iteration to a value low enough
+ // that the next iteration will start tests.
+ this->FakeLoadForTesting = 1;
+ }
+ // If it's not set, look up the true load average.
+ else {
+ systemLoad = static_cast<unsigned long>(ceil(info.GetLoadAverage()));
+ }
+ spareLoad =
+ (this->TestLoad > systemLoad ? this->TestLoad - systemLoad : 0);
+
+ // Don't start more tests than the spare load can support.
+ if (numToStart > spareLoad) {
+ numToStart = spareLoad;
+ }
+ }
+
+ TestList copy = this->SortedTests;
+ for (auto const& test : copy) {
+ // Take a nap if we're currently performing a RUN_SERIAL test.
+ if (this->SerialTestRunning) {
+ break;
+ }
+ // We can only start a RUN_SERIAL test if no other tests are also running.
+ if (this->Properties[test]->RunSerial && this->RunningCount > 0) {
+ continue;
+ }
+
+ size_t processors = GetProcessorsUsed(test);
+ bool testLoadOk = true;
+ if (this->TestLoad > 0) {
+ if (processors <= spareLoad) {
+ cmCTestLog(this->CTest, DEBUG,
+ "OK to run " << GetName(test) << ", it requires "
+ << processors << " procs & system load is: "
+ << systemLoad << std::endl);
+ allTestsFailedTestLoadCheck = false;
+ } else {
+ testLoadOk = false;
+ }
+ }
+
+ if (processors <= minProcessorsRequired) {
+ minProcessorsRequired = processors;
+ testWithMinProcessors = GetName(test);
+ }
+
+ if (testLoadOk && processors <= numToStart && this->StartTest(test)) {
+ numToStart -= processors;
+ } else if (numToStart == 0) {
+ break;
+ }
+ }
+
+ if (allTestsFailedTestLoadCheck) {
+ // Find out whether there are any non RUN_SERIAL tests left, so that the
+ // correct warning may be displayed.
+ bool onlyRunSerialTestsLeft = true;
+ for (auto const& test : copy) {
+ if (!this->Properties[test]->RunSerial) {
+ onlyRunSerialTestsLeft = false;
+ }
+ }
+ cmCTestLog(this->CTest, HANDLER_OUTPUT, "***** WAITING, ");
+
+ if (this->SerialTestRunning) {
+ cmCTestLog(this->CTest, HANDLER_OUTPUT,
+ "Waiting for RUN_SERIAL test to finish.");
+ } else if (onlyRunSerialTestsLeft) {
+ cmCTestLog(this->CTest, HANDLER_OUTPUT,
+ "Only RUN_SERIAL tests remain, awaiting available slot.");
+ } else {
+ /* clang-format off */
+ cmCTestLog(this->CTest, HANDLER_OUTPUT,
+ "System Load: " << systemLoad << ", "
+ "Max Allowed Load: " << this->TestLoad << ", "
+ "Smallest test " << testWithMinProcessors <<
+ " requires " << minProcessorsRequired);
+ /* clang-format on */
+ }
+ cmCTestLog(this->CTest, HANDLER_OUTPUT, "*****" << std::endl);
+
+ // Wait between 1 and 5 seconds before trying again.
+ unsigned int milliseconds = (cmSystemTools::RandomSeed() % 5 + 1) * 1000;
+ if (this->FakeLoadForTesting) {
+ milliseconds = 10;
+ }
+ if (this->TestLoadRetryTimer.get() == nullptr) {
+ this->TestLoadRetryTimer.init(this->Loop, this);
+ }
+ this->TestLoadRetryTimer.start(
+ &cmCTestMultiProcessHandler::OnTestLoadRetryCB, milliseconds, 0);
+ }
+}
+
+void cmCTestMultiProcessHandler::OnTestLoadRetryCB(uv_timer_t* timer)
+{
+ auto self = static_cast<cmCTestMultiProcessHandler*>(timer->data);
+ self->StartNextTests();
+}
+
+void cmCTestMultiProcessHandler::FinishTestProcess(cmCTestRunTest* runner,
+ bool started)
+{
+ this->Completed++;
+
+ int test = runner->GetIndex();
+ auto properties = runner->GetTestProperties();
+
+ bool testResult = runner->EndTest(this->Completed, this->Total, started);
+ if (runner->TimedOutForStopTime()) {
+ this->SetStopTimePassed();
+ }
+ if (started) {
+ if (!this->StopTimePassed && runner->StartAgain(this->Completed)) {
+ this->Completed--; // remove the completed test because run again
+ return;
+ }
+ }
+
+ if (testResult) {
+ this->Passed->push_back(properties->Name);
+ } else if (!properties->Disabled) {
+ this->Failed->push_back(properties->Name);
+ }
+
+ for (auto& t : this->Tests) {
+ t.second.erase(test);
+ }
+
+ this->TestFinishMap[test] = true;
+ this->TestRunningMap[test] = false;
+ this->WriteCheckpoint(test);
+ this->UnlockResources(test);
+ this->RunningCount -= GetProcessorsUsed(test);
+
+ for (auto p : properties->Affinity) {
+ this->ProcessorsAvailable.insert(p);
+ }
+ properties->Affinity.clear();
+
+ delete runner;
+ if (started) {
+ this->StartNextTests();
+ }
+}
+
+void cmCTestMultiProcessHandler::UpdateCostData()
+{
+ std::string fname = this->CTest->GetCostDataFile();
+ std::string tmpout = fname + ".tmp";
+ cmsys::ofstream fout;
+ fout.open(tmpout.c_str());
+
+ PropertiesMap temp = this->Properties;
+
+ if (cmSystemTools::FileExists(fname)) {
+ cmsys::ifstream fin;
+ fin.open(fname.c_str());
+
+ std::string line;
+ while (std::getline(fin, line)) {
+ if (line == "---") {
+ break;
+ }
+ std::vector<std::string> parts = cmSystemTools::SplitString(line, ' ');
+ // Format: <name> <previous_runs> <avg_cost>
+ if (parts.size() < 3) {
+ break;
+ }
+
+ std::string name = parts[0];
+ int prev = atoi(parts[1].c_str());
+ float cost = static_cast<float>(atof(parts[2].c_str()));
+
+ int index = this->SearchByName(name);
+ if (index == -1) {
+ // This test is not in memory. We just rewrite the entry
+ fout << name << " " << prev << " " << cost << "\n";
+ } else {
+ // Update with our new average cost
+ fout << name << " " << this->Properties[index]->PreviousRuns << " "
+ << this->Properties[index]->Cost << "\n";
+ temp.erase(index);
+ }
+ }
+ fin.close();
+ cmSystemTools::RemoveFile(fname);
+ }
+
+ // Add all tests not previously listed in the file
+ for (auto const& i : temp) {
+ fout << i.second->Name << " " << i.second->PreviousRuns << " "
+ << i.second->Cost << "\n";
+ }
+
+ // Write list of failed tests
+ fout << "---\n";
+ for (std::string const& f : *this->Failed) {
+ fout << f << "\n";
+ }
+ fout.close();
+ cmSystemTools::RenameFile(tmpout, fname);
+}
+
+void cmCTestMultiProcessHandler::ReadCostData()
+{
+ std::string fname = this->CTest->GetCostDataFile();
+
+ if (cmSystemTools::FileExists(fname, true)) {
+ cmsys::ifstream fin;
+ fin.open(fname.c_str());
+ std::string line;
+ while (std::getline(fin, line)) {
+ if (line == "---") {
+ break;
+ }
+
+ std::vector<std::string> parts = cmSystemTools::SplitString(line, ' ');
+
+ // Probably an older version of the file, will be fixed next run
+ if (parts.size() < 3) {
+ fin.close();
+ return;
+ }
+
+ std::string name = parts[0];
+ int prev = atoi(parts[1].c_str());
+ float cost = static_cast<float>(atof(parts[2].c_str()));
+
+ int index = this->SearchByName(name);
+ if (index == -1) {
+ continue;
+ }
+
+ this->Properties[index]->PreviousRuns = prev;
+ // When not running in parallel mode, don't use cost data
+ if (this->ParallelLevel > 1 && this->Properties[index] &&
+ this->Properties[index]->Cost == 0) {
+ this->Properties[index]->Cost = cost;
+ }
+ }
+ // Next part of the file is the failed tests
+ while (std::getline(fin, line)) {
+ if (!line.empty()) {
+ this->LastTestsFailed.push_back(line);
+ }
+ }
+ fin.close();
+ }
+}
+
+int cmCTestMultiProcessHandler::SearchByName(std::string const& name)
+{
+ int index = -1;
+
+ for (auto const& p : this->Properties) {
+ if (p.second->Name == name) {
+ index = p.first;
+ }
+ }
+ return index;
+}
+
+void cmCTestMultiProcessHandler::CreateTestCostList()
+{
+ if (this->ParallelLevel > 1) {
+ CreateParallelTestCostList();
+ } else {
+ CreateSerialTestCostList();
+ }
+}
+
+void cmCTestMultiProcessHandler::CreateParallelTestCostList()
+{
+ TestSet alreadySortedTests;
+
+ std::list<TestSet> priorityStack;
+ priorityStack.emplace_back();
+ TestSet& topLevel = priorityStack.back();
+
+ // In parallel test runs add previously failed tests to the front
+ // of the cost list and queue other tests for further sorting
+ for (auto const& t : this->Tests) {
+ if (std::find(this->LastTestsFailed.begin(), this->LastTestsFailed.end(),
+ this->Properties[t.first]->Name) !=
+ this->LastTestsFailed.end()) {
+ // If the test failed last time, it should be run first.
+ this->SortedTests.push_back(t.first);
+ alreadySortedTests.insert(t.first);
+ } else {
+ topLevel.insert(t.first);
+ }
+ }
+
+ // In parallel test runs repeatedly move dependencies of the tests on
+ // the current dependency level to the next level until no
+ // further dependencies exist.
+ while (!priorityStack.back().empty()) {
+ TestSet& previousSet = priorityStack.back();
+ priorityStack.emplace_back();
+ TestSet& currentSet = priorityStack.back();
+
+ for (auto const& i : previousSet) {
+ TestSet const& dependencies = this->Tests[i];
+ currentSet.insert(dependencies.begin(), dependencies.end());
+ }
+
+ for (auto const& i : currentSet) {
+ previousSet.erase(i);
+ }
+ }
+
+ // Remove the empty dependency level
+ priorityStack.pop_back();
+
+ // Reverse iterate over the different dependency levels (deepest first).
+ // Sort tests within each level by COST and append them to the cost list.
+ for (TestSet const& currentSet : cmReverseRange(priorityStack)) {
+ TestComparator comp(this);
+
+ TestList sortedCopy;
+
+ sortedCopy.insert(sortedCopy.end(), currentSet.begin(), currentSet.end());
+
+ std::stable_sort(sortedCopy.begin(), sortedCopy.end(), comp);
+
+ for (auto const& j : sortedCopy) {
+ if (alreadySortedTests.find(j) == alreadySortedTests.end()) {
+ this->SortedTests.push_back(j);
+ alreadySortedTests.insert(j);
+ }
+ }
+ }
+}
+
+void cmCTestMultiProcessHandler::GetAllTestDependencies(int test,
+ TestList& dependencies)
+{
+ TestSet const& dependencySet = this->Tests[test];
+ for (int i : dependencySet) {
+ GetAllTestDependencies(i, dependencies);
+ dependencies.push_back(i);
+ }
+}
+
+void cmCTestMultiProcessHandler::CreateSerialTestCostList()
+{
+ TestList presortedList;
+
+ for (auto const& i : this->Tests) {
+ presortedList.push_back(i.first);
+ }
+
+ TestComparator comp(this);
+ std::stable_sort(presortedList.begin(), presortedList.end(), comp);
+
+ TestSet alreadySortedTests;
+
+ for (int test : presortedList) {
+ if (alreadySortedTests.find(test) != alreadySortedTests.end()) {
+ continue;
+ }
+
+ TestList dependencies;
+ GetAllTestDependencies(test, dependencies);
+
+ for (int testDependency : dependencies) {
+ 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);
+}
+
+static Json::Value DumpToJsonArray(const std::set<std::string>& values)
+{
+ Json::Value jsonArray = Json::arrayValue;
+ for (auto& it : values) {
+ jsonArray.append(it);
+ }
+ return jsonArray;
+}
+
+static Json::Value DumpToJsonArray(const std::vector<std::string>& values)
+{
+ Json::Value jsonArray = Json::arrayValue;
+ for (auto& it : values) {
+ jsonArray.append(it);
+ }
+ return jsonArray;
+}
+
+static Json::Value DumpRegExToJsonArray(
+ const std::vector<std::pair<cmsys::RegularExpression, std::string>>& values)
+{
+ Json::Value jsonArray = Json::arrayValue;
+ for (auto& it : values) {
+ jsonArray.append(it.second);
+ }
+ return jsonArray;
+}
+
+static Json::Value DumpMeasurementToJsonArray(
+ const std::map<std::string, std::string>& values)
+{
+ Json::Value jsonArray = Json::arrayValue;
+ for (auto& it : values) {
+ Json::Value measurement = Json::objectValue;
+ measurement["measurement"] = it.first;
+ measurement["value"] = it.second;
+ jsonArray.append(measurement);
+ }
+ return jsonArray;
+}
+
+static Json::Value DumpTimeoutAfterMatch(
+ cmCTestTestHandler::cmCTestTestProperties& testProperties)
+{
+ Json::Value timeoutAfterMatch = Json::objectValue;
+ timeoutAfterMatch["timeout"] = testProperties.AlternateTimeout.count();
+ timeoutAfterMatch["regex"] =
+ DumpRegExToJsonArray(testProperties.TimeoutRegularExpressions);
+ return timeoutAfterMatch;
+}
+
+static Json::Value DumpCTestProperty(std::string const& name,
+ Json::Value value)
+{
+ Json::Value property = Json::objectValue;
+ property["name"] = name;
+ property["value"] = std::move(value);
+ return property;
+}
+
+static Json::Value DumpCTestProperties(
+ cmCTestTestHandler::cmCTestTestProperties& testProperties)
+{
+ Json::Value properties = Json::arrayValue;
+ if (!testProperties.AttachOnFail.empty()) {
+ properties.append(DumpCTestProperty(
+ "ATTACHED_FILES_ON_FAIL", DumpToJsonArray(testProperties.AttachOnFail)));
+ }
+ if (!testProperties.AttachedFiles.empty()) {
+ properties.append(DumpCTestProperty(
+ "ATTACHED_FILES", DumpToJsonArray(testProperties.AttachedFiles)));
+ }
+ if (testProperties.Cost != 0.0f) {
+ properties.append(
+ DumpCTestProperty("COST", static_cast<double>(testProperties.Cost)));
+ }
+ if (!testProperties.Depends.empty()) {
+ properties.append(
+ DumpCTestProperty("DEPENDS", DumpToJsonArray(testProperties.Depends)));
+ }
+ if (testProperties.Disabled) {
+ properties.append(DumpCTestProperty("DISABLED", testProperties.Disabled));
+ }
+ if (!testProperties.Environment.empty()) {
+ properties.append(DumpCTestProperty(
+ "ENVIRONMENT", DumpToJsonArray(testProperties.Environment)));
+ }
+ if (!testProperties.ErrorRegularExpressions.empty()) {
+ properties.append(DumpCTestProperty(
+ "FAIL_REGULAR_EXPRESSION",
+ DumpRegExToJsonArray(testProperties.ErrorRegularExpressions)));
+ }
+ if (!testProperties.FixturesCleanup.empty()) {
+ properties.append(DumpCTestProperty(
+ "FIXTURES_CLEANUP", DumpToJsonArray(testProperties.FixturesCleanup)));
+ }
+ if (!testProperties.FixturesRequired.empty()) {
+ properties.append(DumpCTestProperty(
+ "FIXTURES_REQUIRED", DumpToJsonArray(testProperties.FixturesRequired)));
+ }
+ if (!testProperties.FixturesSetup.empty()) {
+ properties.append(DumpCTestProperty(
+ "FIXTURES_SETUP", DumpToJsonArray(testProperties.FixturesSetup)));
+ }
+ if (!testProperties.Labels.empty()) {
+ properties.append(
+ DumpCTestProperty("LABELS", DumpToJsonArray(testProperties.Labels)));
+ }
+ if (!testProperties.Measurements.empty()) {
+ properties.append(DumpCTestProperty(
+ "MEASUREMENT", DumpMeasurementToJsonArray(testProperties.Measurements)));
+ }
+ if (!testProperties.RequiredRegularExpressions.empty()) {
+ properties.append(DumpCTestProperty(
+ "PASS_REGULAR_EXPRESSION",
+ DumpRegExToJsonArray(testProperties.RequiredRegularExpressions)));
+ }
+ if (testProperties.WantAffinity) {
+ properties.append(
+ DumpCTestProperty("PROCESSOR_AFFINITY", testProperties.WantAffinity));
+ }
+ if (testProperties.Processors != 1) {
+ properties.append(
+ DumpCTestProperty("PROCESSORS", testProperties.Processors));
+ }
+ if (!testProperties.RequiredFiles.empty()) {
+ properties["REQUIRED_FILES"] =
+ DumpToJsonArray(testProperties.RequiredFiles);
+ }
+ if (!testProperties.LockedResources.empty()) {
+ properties.append(DumpCTestProperty(
+ "RESOURCE_LOCK", DumpToJsonArray(testProperties.LockedResources)));
+ }
+ if (testProperties.RunSerial) {
+ properties.append(
+ DumpCTestProperty("RUN_SERIAL", testProperties.RunSerial));
+ }
+ if (testProperties.SkipReturnCode != -1) {
+ properties.append(
+ DumpCTestProperty("SKIP_RETURN_CODE", testProperties.SkipReturnCode));
+ }
+ if (testProperties.ExplicitTimeout) {
+ properties.append(
+ DumpCTestProperty("TIMEOUT", testProperties.Timeout.count()));
+ }
+ if (!testProperties.TimeoutRegularExpressions.empty()) {
+ properties.append(DumpCTestProperty(
+ "TIMEOUT_AFTER_MATCH", DumpTimeoutAfterMatch(testProperties)));
+ }
+ if (testProperties.WillFail) {
+ properties.append(DumpCTestProperty("WILL_FAIL", testProperties.WillFail));
+ }
+ if (!testProperties.Directory.empty()) {
+ properties.append(
+ DumpCTestProperty("WORKING_DIRECTORY", testProperties.Directory));
+ }
+ return properties;
+}
+
+class BacktraceData
+{
+ std::unordered_map<std::string, Json::ArrayIndex> CommandMap;
+ std::unordered_map<std::string, Json::ArrayIndex> FileMap;
+ std::unordered_map<cmListFileContext const*, Json::ArrayIndex> NodeMap;
+ Json::Value Commands = Json::arrayValue;
+ Json::Value Files = Json::arrayValue;
+ Json::Value Nodes = Json::arrayValue;
+
+ Json::ArrayIndex AddCommand(std::string const& command)
+ {
+ auto i = this->CommandMap.find(command);
+ if (i == this->CommandMap.end()) {
+ i = this->CommandMap.emplace(command, this->Commands.size()).first;
+ this->Commands.append(command);
+ }
+ return i->second;
+ }
+
+ Json::ArrayIndex AddFile(std::string const& file)
+ {
+ auto i = this->FileMap.find(file);
+ if (i == this->FileMap.end()) {
+ i = this->FileMap.emplace(file, this->Files.size()).first;
+ this->Files.append(file);
+ }
+ return i->second;
+ }
+
+public:
+ bool Add(cmListFileBacktrace const& bt, Json::ArrayIndex& index);
+ Json::Value Dump();
+};
+
+bool BacktraceData::Add(cmListFileBacktrace const& bt, Json::ArrayIndex& index)
+{
+ if (bt.Empty()) {
+ return false;
+ }
+ cmListFileContext const* top = &bt.Top();
+ auto found = this->NodeMap.find(top);
+ if (found != this->NodeMap.end()) {
+ index = found->second;
+ return true;
+ }
+ Json::Value entry = Json::objectValue;
+ entry["file"] = this->AddFile(top->FilePath);
+ if (top->Line) {
+ entry["line"] = static_cast<int>(top->Line);
+ }
+ if (!top->Name.empty()) {
+ entry["command"] = this->AddCommand(top->Name);
+ }
+ Json::ArrayIndex parent;
+ if (this->Add(bt.Pop(), parent)) {
+ entry["parent"] = parent;
+ }
+ index = this->NodeMap[top] = this->Nodes.size();
+ this->Nodes.append(std::move(entry)); // NOLINT(*)
+ return true;
+}
+
+Json::Value BacktraceData::Dump()
+{
+ Json::Value backtraceGraph;
+ this->CommandMap.clear();
+ this->FileMap.clear();
+ this->NodeMap.clear();
+ backtraceGraph["commands"] = std::move(this->Commands);
+ backtraceGraph["files"] = std::move(this->Files);
+ backtraceGraph["nodes"] = std::move(this->Nodes);
+ return backtraceGraph;
+}
+
+static void AddBacktrace(BacktraceData& backtraceGraph, Json::Value& object,
+ cmListFileBacktrace const& bt)
+{
+ Json::ArrayIndex backtrace;
+ if (backtraceGraph.Add(bt, backtrace)) {
+ object["backtrace"] = backtrace;
+ }
+}
+
+static Json::Value DumpCTestInfo(
+ cmCTestRunTest& testRun,
+ cmCTestTestHandler::cmCTestTestProperties& testProperties,
+ BacktraceData& backtraceGraph)
+{
+ Json::Value testInfo = Json::objectValue;
+ // test name should always be present
+ testInfo["name"] = testProperties.Name;
+ std::string const& config = testRun.GetCTest()->GetConfigType();
+ if (!config.empty()) {
+ testInfo["config"] = config;
+ }
+ std::string const& command = testRun.GetActualCommand();
+ if (!command.empty()) {
+ std::vector<std::string> commandAndArgs;
+ commandAndArgs.push_back(command);
+ const std::vector<std::string>& args = testRun.GetArguments();
+ if (!args.empty()) {
+ commandAndArgs.reserve(args.size() + 1);
+ commandAndArgs.insert(commandAndArgs.end(), args.begin(), args.end());
+ }
+ testInfo["command"] = DumpToJsonArray(commandAndArgs);
+ }
+ Json::Value properties = DumpCTestProperties(testProperties);
+ if (!properties.empty()) {
+ testInfo["properties"] = properties;
+ }
+ if (!testProperties.Backtrace.Empty()) {
+ AddBacktrace(backtraceGraph, testInfo, testProperties.Backtrace);
+ }
+ return testInfo;
+}
+
+static Json::Value DumpVersion(int major, int minor)
+{
+ Json::Value version = Json::objectValue;
+ version["major"] = major;
+ version["minor"] = minor;
+ return version;
+}
+
+void cmCTestMultiProcessHandler::PrintOutputAsJson()
+{
+ this->TestHandler->SetMaxIndex(this->FindMaxIndex());
+
+ Json::Value result = Json::objectValue;
+ result["kind"] = "ctestInfo";
+ result["version"] = DumpVersion(1, 0);
+
+ BacktraceData backtraceGraph;
+ Json::Value tests = Json::arrayValue;
+ for (auto& it : this->Properties) {
+ cmCTestTestHandler::cmCTestTestProperties& p = *it.second;
+
+ // Don't worry if this fails, we are only showing the test list, not
+ // running the tests
+ cmWorkingDirectory workdir(p.Directory);
+ cmCTestRunTest testRun(*this);
+ testRun.SetIndex(p.Index);
+ testRun.SetTestProperties(&p);
+ testRun.ComputeArguments();
+
+ // Skip tests not available in this configuration.
+ if (p.Args.size() >= 2 && p.Args[1] == "NOT_AVAILABLE") {
+ continue;
+ }
+
+ Json::Value testInfo = DumpCTestInfo(testRun, p, backtraceGraph);
+ tests.append(testInfo);
+ }
+ result["backtraceGraph"] = backtraceGraph.Dump();
+ result["tests"] = std::move(tests);
+
+ Json::StreamWriterBuilder builder;
+ builder["indentation"] = " ";
+ std::unique_ptr<Json::StreamWriter> jout(builder.newStreamWriter());
+ jout->write(result, &std::cout);
+}
+
+// For ShowOnly mode
+void cmCTestMultiProcessHandler::PrintTestList()
+{
+ if (this->CTest->GetOutputAsJson()) {
+ PrintOutputAsJson();
+ return;
+ }
+
+ this->TestHandler->SetMaxIndex(this->FindMaxIndex());
+ int count = 0;
+
+ for (auto& it : this->Properties) {
+ count++;
+ cmCTestTestHandler::cmCTestTestProperties& p = *it.second;
+
+ // Don't worry if this fails, we are only showing the test list, not
+ // running the tests
+ cmWorkingDirectory workdir(p.Directory);
+
+ cmCTestRunTest testRun(*this);
+ 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::string const& label : p.Labels) {
+ 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, " " << p.Name,
+ this->Quiet);
+ if (p.Disabled) {
+ cmCTestOptionalLog(this->CTest, HANDLER_OUTPUT, " (Disabled)",
+ this->Quiet);
+ }
+ cmCTestOptionalLog(this->CTest, HANDLER_OUTPUT, std::endl, this->Quiet);
+ }
+
+ cmCTestOptionalLog(this->CTest, HANDLER_OUTPUT,
+ std::endl
+ << "Total Tests: " << this->Total << std::endl,
+ this->Quiet);
+}
+
+void cmCTestMultiProcessHandler::PrintLabels()
+{
+ std::set<std::string> allLabels;
+ for (auto& it : this->Properties) {
+ 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::string const& label : allLabels) {
+ 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, 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, 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;
+ for (auto const& i : this->Tests) {
+ 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 (auto const& it : this->Tests) {
+ // 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 (auto const& d : this->Tests[test]) {
+ 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;
+ }
+ s.push(d);
+ }
+ }
+ }
+ }
+ cmCTestOptionalLog(this->CTest, HANDLER_VERBOSE_OUTPUT,
+ "Checking test dependency graph end" << std::endl,
+ this->Quiet);
+ return true;
+}