Beispiel #1
0
 private static void AddIfNotVisited(Queue <NodeId> queue, NodeId node, VisitationTracker visitedNodes)
 {
     if (visitedNodes.MarkVisited(node))
     {
         queue.Enqueue(node);
     }
 }
Beispiel #2
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        public override int Analyze()
        {
            Console.WriteLine("Starting analysis");
            HashSet <NodeId> sourceNodes = new HashSet <NodeId>();

            foreach (NodeId nodeId in CachedGraph.DirectedGraph.GetSourceNodes())
            {
                if (PipTable.GetPipType(nodeId.ToPipId()) == PipType.HashSourceFile)
                {
                    foreach (var edge in CachedGraph.DirectedGraph.GetOutgoingEdges(nodeId))
                    {
                        sourceNodes.Add(edge.OtherNode);
                    }
                }
                else
                {
                    sourceNodes.Add(nodeId);
                }
            }

            NodeAndCriticalPath[] criticalPaths = new NodeAndCriticalPath[sourceNodes.Count];

            Console.WriteLine("Computing critical paths");
            VisitationTracker visitedNodes = new VisitationTracker(CachedGraph.DirectedGraph);
            int i = 0;

            foreach (var sourceNode in sourceNodes)
            {
                criticalPaths[i] = ComputeCriticalPath(sourceNode, visitedNodes);
                i++;
            }

            Console.WriteLine("Sorting critical paths");
            Array.Sort(criticalPaths, (c1, c2) => - c1.Time.CompareTo(c2.Time));

            Console.WriteLine("Writing critical paths");
            int count = Math.Min(m_criticalPathCount, criticalPaths.Length);

            m_writer.WriteLine("Top {0} critical paths (dependencies first)", count);

            for (int j = 0; j < count; j++)
            {
                var nodeAndCriticalPath = criticalPaths[j];

                m_writer.WriteLine("CRITICAL PATH {0}", j + 1);
                m_writer.WriteLine("TIME: {0} seconds", ToSeconds(nodeAndCriticalPath.Time));
                m_writer.WriteLine();

                m_writer.WriteLine(PrintCriticalPath(nodeAndCriticalPath, GetElapsed, GetKernelTime, GetUserTime, GetCriticalPath, out var criticalpath));
                m_writer.WriteLine();

                criticalPathData.criticalPaths.Add(criticalpath);
            }

            criticalPathData.wallClockTopPips  = PrintQueue("Wall Clock", m_topWallClockPriorityQueue);
            criticalPathData.userTimeTopPips   = PrintQueue("User Time", m_topUserTimePriorityQueue);
            criticalPathData.kernelTimeTopPips = PrintQueue("Kernel Time", m_topKernelTimePriorityQueue);

            return(0);
        }
        private RuntimeCacheMissAnalyzer(
            FingerprintStoreExecutionLogTarget logTarget,
            LoggingContext loggingContext,
            PipExecutionContext context,
            FingerprintStore previousFingerprintStore,
            IReadonlyDirectedGraph graph,
            IDictionary <PipId, RunnablePipPerformanceInfo> runnablePipPerformance,
            IConfiguration configuration,
            string downLoadedPreviousFingerprintStoreSavedPath,
            FingerprintStoreTestHooks testHooks = null)
        {
            m_loggingContext         = loggingContext;
            m_logTarget              = logTarget;
            m_context                = context;
            PreviousFingerprintStore = previousFingerprintStore;
            m_visitor                = new NodeVisitor(graph);
            m_changedPips            = new VisitationTracker(graph);
            m_pipCacheMissesDict     = new ConcurrentDictionary <PipId, PipCacheMissInfo>();
            m_runnablePipPerformance = runnablePipPerformance;

            m_batchLoggingQueue = configuration.Logging.CacheMissBatch ? NagleQueue <JProperty> .Create(
                BatchLogging,
                maxDegreeOfParallelism : 1,
                interval : TimeSpan.FromMinutes(5),
                batchSize : 100) : null;


            m_testHooks = testHooks;
            m_testHooks?.InitRuntimeCacheMisses();
            m_configuration = configuration;
            m_downLoadedPreviousFingerprintStoreSavedPath = downLoadedPreviousFingerprintStoreSavedPath;
        }
Beispiel #4
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        private RuntimeCacheMissAnalyzer(
            FingerprintStoreExecutionLogTarget logTarget,
            LoggingContext loggingContext,
            PipExecutionContext context,
            FingerprintStore previousFingerprintStore,
            IReadonlyDirectedGraph graph,
            IDictionary <PipId, RunnablePipPerformanceInfo> runnablePipPerformance,
            CacheMissDiffFormat cacheMissDiffFormat,
            bool cacheMissBatch,
            FingerprintStoreTestHooks testHooks = null)
        {
            m_loggingContext         = loggingContext;
            m_logTarget              = logTarget;
            m_context                = context;
            PreviousFingerprintStore = previousFingerprintStore;
            m_visitor                = new NodeVisitor(graph);
            m_changedPips            = new VisitationTracker(graph);
            m_pipCacheMissesDict     = new ConcurrentDictionary <PipId, PipCacheMissInfo>();
            m_runnablePipPerformance = runnablePipPerformance;
            m_cacheMissDiffFormat    = cacheMissDiffFormat;
            m_maxCacheMissCanPerform = cacheMissBatch ? EngineEnvironmentSettings.MaxNumPipsForCacheMissAnalysis.Value * EngineEnvironmentSettings.MaxMessagesPerBatch : EngineEnvironmentSettings.MaxNumPipsForCacheMissAnalysis.Value;

            m_batchLoggingQueue = cacheMissBatch ? NagleQueue <JProperty> .Create(
                BatchLogging,
                maxDegreeOfParallelism : 1,
                interval : TimeSpan.FromMinutes(1),
                batchSize : EngineEnvironmentSettings.MaxMessagesPerBatch) : null;


            m_testHooks = testHooks;
            m_testHooks?.InitRuntimeCacheMisses();
        }
Beispiel #5
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 public AnalysisModel(CachedGraph graph)
 {
     CachedGraph        = graph;
     ChangedPips        = new VisitationTracker(CachedGraph.DataflowGraph);
     visitor            = new NodeVisitor(graph.DataflowGraph);
     LookupHashFunction = LookupHash;
 }
Beispiel #6
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 public FailedPipInputAnalyzer(AnalysisInput input)
     : base(input)
 {
     nodeVisitor         = new NodeVisitor(DirectedGraph);
     m_failedPipsClosure = new VisitationTracker(DirectedGraph);
     m_cachedPips        = new VisitationTracker(DirectedGraph);
 }
Beispiel #7
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 public FailedPipsDumpAnalyzer(AnalysisInput input)
     : base(input)
 {
     nodeVisitor         = new NodeVisitor(DirectedGraph);
     m_failedPipsClosure = new VisitationTracker(DirectedGraph);
     m_cachedPips        = new VisitationTracker(DirectedGraph);
     m_pipTable          = input.CachedGraph.PipTable;
 }
Beispiel #8
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 public DiffAnalyzer(AnalysisInput input, FailedPipsDumpAnalyzer analyzer)
     : base(input)
 {
     m_failedPipsDumpAnalyzer = analyzer;
     m_failedPipsClosure      = new VisitationTracker(DirectedGraph);
     nodeVisitor         = new NodeVisitor(DirectedGraph);
     m_pipTable          = input.CachedGraph.PipTable;
     m_tokenizeByMounts  = analyzer.TokenizeByMounts;
     InclusionMountNames = analyzer.InclusionMountNames;
 }
Beispiel #9
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 private RuntimeCacheMissAnalyzer(
     FingerprintStoreExecutionLogTarget logTarget,
     LoggingContext loggingContext,
     PipExecutionContext context,
     FingerprintStore previousFingerprintStore,
     IReadonlyDirectedGraph graph,
     IDictionary <PipId, RunnablePipPerformanceInfo> runnablePipPerformance)
 {
     m_loggingContext         = loggingContext;
     m_logTarget              = logTarget;
     m_context                = context;
     PreviousFingerprintStore = previousFingerprintStore;
     m_visitor                = new NodeVisitor(graph);
     m_changedPips            = new VisitationTracker(graph);
     m_pipCacheMissesDict     = new ConcurrentDictionary <PipId, PipCacheMissInfo>();
     m_runnablePipPerformance = runnablePipPerformance;
 }
Beispiel #10
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        private void VisitTransitiveClosure(
            Queue <NodeId> queue,
            VisitationTracker visitedNodes,
            VisitNode visitNodeDependencies,
            VisitNode visitNodeDependents,
            bool dependencies,
            bool dependents)
        {
            Contract.Assert(visitNodeDependencies == null || dependencies);
            Contract.Assert(visitNodeDependents == null || dependents);

            while (queue.Count != 0)
            {
                var node = queue.Dequeue();

                if (dependencies)
                {
                    if (visitNodeDependencies == null || visitNodeDependencies(node))
                    {
                        foreach (Edge inEdge in m_dataflowGraph.GetIncomingEdges(node))
                        {
                            if (visitedNodes.MarkVisited(inEdge.OtherNode))
                            {
                                queue.Enqueue(inEdge.OtherNode);
                            }
                        }
                    }
                }

                if (dependents)
                {
                    if (visitNodeDependents == null || visitNodeDependents(node))
                    {
                        foreach (Edge outEdge in m_dataflowGraph.GetOutgoingEdges(node))
                        {
                            if (visitedNodes.MarkVisited(outEdge.OtherNode))
                            {
                                queue.Enqueue(outEdge.OtherNode);
                            }
                        }
                    }
                }
            }
        }
Beispiel #11
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        /// <summary>
        /// Visits the transitive dependencies of the node
        /// </summary>
        public void VisitTransitiveDependencies(
            NodeId startNode,
            VisitationTracker visitedNodes,
            VisitNode visitNode)
        {
            using (var queueWrapper = m_nodeQueuePool.GetInstance())
            {
                var queue = queueWrapper.Instance;
                AddIfNotVisited(queue, startNode, visitedNodes);

                VisitTransitiveClosure(
                    queue,
                    visitedNodes,
                    visitNodeDependents: null,
                    visitNodeDependencies: visitNode,
                    dependencies: true,
                    dependents: false);
            }
        }
Beispiel #12
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        /// <summary>
        /// Visits the transitive reachable nodes of the given nodes
        /// </summary>
        public void VisitTransitiveReachableNodes(
            IEnumerable <NodeId> startNodes,
            VisitationTracker visitedNodes,
            VisitNode visitNodeDependencies,
            VisitNode visitNodeDependents)
        {
            using (var queueWrapper = m_nodeQueuePool.GetInstance())
            {
                var queue = queueWrapper.Instance;
                AddIfNotVisited(queue, startNodes, visitedNodes);

                VisitTransitiveClosure(
                    queue,
                    visitedNodes,
                    visitNodeDependencies: visitNodeDependencies,
                    visitNodeDependents: visitNodeDependents,
                    dependencies: true,
                    dependents: true);
            }
        }
Beispiel #13
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        private NodeAndCriticalPath ComputeCriticalPath(NodeId node, VisitationTracker visitedNodes)
        {
            var criticalPath = GetCriticalPath(node);

            if (criticalPath.Node.IsValid)
            {
                return(criticalPath);
            }

            criticalPath = new NodeAndCriticalPath()
            {
                Node = node,
                Time = GetElapsed(node),
            };

            if (!visitedNodes.MarkVisited(node))
            {
                return(criticalPath);
            }

            NodeAndCriticalPath maxDependencyCriticalPath = default(NodeAndCriticalPath);

            foreach (var dependency in CachedGraph.DirectedGraph.GetOutgoingEdges(node))
            {
                var dependencyCriticalPath = ComputeCriticalPath(dependency.OtherNode, visitedNodes);
                if (dependencyCriticalPath.Time > maxDependencyCriticalPath.Time)
                {
                    maxDependencyCriticalPath = dependencyCriticalPath;
                }
            }

            criticalPath.Next  = maxDependencyCriticalPath.Node;
            criticalPath.Time += maxDependencyCriticalPath.Time;

            SetCriticalPath(node, criticalPath);
            return(criticalPath);
        }
 public ComputationContext(MutableDirectedGraph graph)
 {
     Dependencies = new VisitationTracker(graph);
     Dependents   = new VisitationTracker(graph);
     Visitor      = new NodeVisitor(graph);
 }
Beispiel #15
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        private IEnumerable<NodeId> GetNodesToSchedule(
            HashSet<NodeId> nodesToSchedule,
            VisitationTracker transitiveDependencyNodeFilter,
            ForceSkipDependenciesMode forceSkipDepsMode,
            bool scheduleMetaPips,
            HashSet<NodeId> mustExecute,
            BuildSetCalculatorStats stats,
            ref int metaPipCount)
        {
            if (forceSkipDepsMode == ForceSkipDependenciesMode.Disabled)
            {
                ScheduleDependenciesUntilCleanAndMaterialized(nodesToSchedule, transitiveDependencyNodeFilter, stats);
            }
            else
            {
                int numExplicitlySelectedProcesses, numScheduledProcesses, numExecutedProcesses, numExecutedProcessesWithoutDirty = 0;
                Func<NodeId, bool> isProcess = (node) => GetPipType(node) == PipType.Process;

                using (m_counters.StartStopwatch(PipExecutorCounter.ForceSkipDependenciesScheduleDependenciesUntilInputsPresentDuration))
                {
                    numExplicitlySelectedProcesses = nodesToSchedule.Count(isProcess);

                    // Calculate how many process pips are in the transitive dependency closure of the filtered pips
                    foreach (var node in m_graph.Nodes)
                    {
                        if (transitiveDependencyNodeFilter.WasVisited(node) && isProcess(node))
                        {
                            numExecutedProcessesWithoutDirty++;
                        }
                    }

                    ScheduleDependenciesUntilRequiredInputsPresent(nodesToSchedule, transitiveDependencyNodeFilter, mustExecute, forceSkipDepsMode);

                    numScheduledProcesses = nodesToSchedule.Where(isProcess).Count();
                    numExecutedProcesses = mustExecute.Where(isProcess).Count();
                }

                Logger.Log.DirtyBuildStats(
                    m_loggingContext,
                    (long)m_counters.GetElapsedTime(PipExecutorCounter.ForceSkipDependenciesScheduleDependenciesUntilInputsPresentDuration).TotalMilliseconds,
                    forceSkipDepsMode == ForceSkipDependenciesMode.Module,
                    numExplicitlySelectedProcesses,
                    numScheduledProcesses,
                    numExecutedProcesses,
                    numExecutedProcessesWithoutDirty - numExecutedProcesses);
            }

            int scheduledMetaPipCount = 0;

            if (scheduleMetaPips)
            {
                using (m_counters.StartStopwatch(PipExecutorCounter.BuildSetCalculatorComputeAffectedMetaPips))
                {
                    // We compute the affected meta pips from the scheduled nodes. Simply traversing the graph from
                    // the scheduled nodes is expensive, so we split the process by first computing the meta-pip frontiers,
                    // i.e., the meta-pips that directly depend on a scheduled node. This computation can be done in parallel.
                    // Assumption: the dependents of meta pips are always meta pips.

                    // (1) Compute the meta-pips frontiers from the scheduled nodes.
                    VisitationTracker visitedNodes = new VisitationTracker(m_graph);
                    ConcurrentDictionary<NodeId, Unit> metaPipFrontier = new ConcurrentDictionary<NodeId, Unit>();

                    Parallel.ForEach(
                        nodesToSchedule,
                        node =>
                        {
                            foreach (var oe in m_graph.GetOutgoingEdges(node))
                            {
                                if (GetPipType(oe.OtherNode).IsMetaPip())
                                {
                                    metaPipFrontier.TryAdd(oe.OtherNode, Unit.Void);
                                }
                            }
                        });

                    // (2) Traverse the graph from the frontiers.
                    m_visitor.VisitTransitiveDependents(
                        metaPipFrontier.Keys,
                        visitedNodes,
                        node =>
                        {
                            nodesToSchedule.Add(node);
                            ++scheduledMetaPipCount;
                            return true;
                        });
                }

                metaPipCount = scheduledMetaPipCount;
            }

            return nodesToSchedule;
        }
Beispiel #16
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        private void ScheduleDependenciesUntilCleanAndMaterialized(
            HashSet<NodeId> nodesToSchedule,
            VisitationTracker buildCone,
            BuildSetCalculatorStats stats)
        {
            int initialNodesToScheduleCount = nodesToSchedule.Count;
            int initialProcessesToScheduleCount = nodesToSchedule.Count(IsProcess);
            int nodesAddedDueToNotCleanMaterializedCount = 0;
            int processesAddedDueToNotCleanMaterializedCount = 0;
            int nodesAddedDueToCollateralDirtyCount = 0;
            int processesAddedDueToCollateralDirtyCount = 0;

            // TODO: If this method turns out to be the bottleneck, we can make it parallel later.
            var cleanMaterializedNodes = new HashSet<NodeId>();

            using (m_counters.StartStopwatch(PipExecutorCounter.BuildSetCalculatorScheduleDependenciesUntilCleanAndMaterialized))
            {
                // Add all dirty nodes from nodesToSchedule. From those dirty nodes, we try to add to nodesToSchedule
                // their dependencies that need to be built.
                // Nodes that are not materialized should have been marked dirty by CalculateDirtyNodes.
                nodesToSchedule.RemoveWhere(node => !IsNodeDirty(node));

                var nodeQueue = new Queue<NodeId>(nodesToSchedule);

                Action<NodeId> addNode =
                    markedNode =>
                    {
                        if (buildCone.WasVisited(markedNode) && !GetPipType(markedNode).IsMetaPip() &&
                            nodesToSchedule.Add(markedNode))
                        {
                            // Node is in the build cone, and has not been scheduled yet.
                            nodeQueue.Enqueue(markedNode);
                            ++nodesAddedDueToCollateralDirtyCount;

                            if (IsProcess(markedNode))
                            {
                                ++processesAddedDueToCollateralDirtyCount;
                            }
                        }
                    };

                Action<NodeId> scheduleDependencyNode =
                    node =>
                    {
                        if (buildCone.WasVisited(node))
                        {
                            // The node is in the build cone.
                            var pipType = GetPipType(node);

                            // The node is clean if it's (1) marked as clean and materialized and (2) none of its outputs are rewritten.
                            // Condition (2) is conservative, and is needed for correctness in the presence of rewritten files.
                            bool isCleanMaterialized = IsNodeCleanAndMaterialized(node) && !IsRewrittenPip(node);

                            if (!isCleanMaterialized && nodesToSchedule.Add(node))
                            {
                                // (1) Node is dirty or has not materialized its outputs.
                                // (2) Node has not been scheduled yet.

                                // Mark process node dirty, and add its dependents so that the dependencies of its dependents can be added later.
                                MarkProcessNodeDirtyAndAddItsDependents(node, addNode);
                                ++nodesAddedDueToNotCleanMaterializedCount;

                                if (pipType != PipType.HashSourceFile)
                                {
                                    nodeQueue.Enqueue(node);
                                }

                                if (IsProcess(node))
                                {
                                    ++processesAddedDueToNotCleanMaterializedCount;
                                }
                            }

                            if (isCleanMaterialized)
                            {
                                cleanMaterializedNodes.Add(node);
                            }
                        }
                    };

                while (nodeQueue.Count > 0)
                {
                    NodeId node = nodeQueue.Dequeue();

                    foreach (Edge inEdge in m_graph.GetIncomingEdges(node))
                    {
                        scheduleDependencyNode(inEdge.OtherNode);
                    }
                }

                nodesToSchedule.UnionWith(cleanMaterializedNodes);
            }

            stats.CleanMaterializedNodeFrontierCount = cleanMaterializedNodes.Count;
            stats.CleanMaterializedProcessFrontierCount = cleanMaterializedNodes.Count(IsProcess);

            Logger.Log.BuildSetCalculatorScheduleDependenciesUntilCleanAndMaterializedStats(
                m_loggingContext,
                initialNodesToScheduleCount,
                initialProcessesToScheduleCount,
                nodesAddedDueToNotCleanMaterializedCount,
                processesAddedDueToNotCleanMaterializedCount,
                nodesAddedDueToCollateralDirtyCount,
                processesAddedDueToCollateralDirtyCount,
                stats.CleanMaterializedNodeFrontierCount,
                stats.CleanMaterializedProcessFrontierCount,
                (int)m_counters.GetElapsedTime(PipExecutorCounter.BuildSetCalculatorScheduleDependenciesUntilCleanAndMaterialized).TotalMilliseconds);
        }
Beispiel #17
0
 private static void AddIfNotVisited(Queue <NodeId> queue, IEnumerable <NodeId> nodes, VisitationTracker visitedNodes)
 {
     foreach (var node in nodes)
     {
         if (visitedNodes.MarkVisited(node))
         {
             queue.Enqueue(node);
         }
     }
 }
Beispiel #18
0
        /// <summary>
        /// Gets nodes to schedule.
        /// </summary>
        /// <param name="scheduleDependents">If true, then include all transitive dependents of the explicitly scheduled nodes.</param>
        /// <param name="explicitlyScheduledNodes">Explicitly scheduled nodes.</param>
        /// <param name="forceSkipDepsMode">If not disabled, then skip dependencies. This corresponds to "dirty" build.</param>
        /// <param name="scheduleMetaPips">If true, metapips will be scheduled</param>
        /// <returns>Nodes to schedule.</returns>
        public GetScheduledNodesResult GetNodesToSchedule(
            bool scheduleDependents,
            IEnumerable<NodeId> explicitlyScheduledNodes,
            ForceSkipDependenciesMode forceSkipDepsMode,
            bool scheduleMetaPips)
        {
            int explicitlySelectedNodeCount;
            int explicitlySelectedProcessCount;
            int dirtyNodeCount;
            int dirtyProcessCount;
            int nonMaterializedNodeCount;
            int nonMaterializedProcessCount;
            int processesInBuildCone = 0;

            HashSet<NodeId> nodesToSchedule;
            VisitationTracker transitiveDependencyNodeFilter;

            using (m_counters.StartStopwatch(PipExecutorCounter.BuildSetCalculatorComputeBuildCone))
            {
                var visitedNodes = new VisitationTracker(m_graph);
                nodesToSchedule = new HashSet<NodeId>(explicitlyScheduledNodes);
                explicitlySelectedNodeCount = nodesToSchedule.Count;
                explicitlySelectedProcessCount = nodesToSchedule.Count(IsProcess);

                // 1. Calculate dirty nodes.
                // The filter-passing set may include nodes which are dirty/clean and schedulable/not-schedulable (w.r.t. state).
                // We want stats on dirty vs. not-dirty, and want to drop anything not schedulable.
                // This step also marks dirty non-materialized nodes.
                CalculateDirtyNodes(
                    nodesToSchedule,
                    out dirtyNodeCount,
                    out dirtyProcessCount,
                    out nonMaterializedNodeCount,
                    out nonMaterializedProcessCount);

                if (dirtyNodeCount == 0)
                {
                    int duration = (int) m_counters.GetElapsedTime(PipExecutorCounter.BuildSetCalculatorComputeBuildCone).TotalMilliseconds;

                    // Build cone is the same as the explicitly selected processes.
                    Logger.Log.BuildSetCalculatorProcessStats(
                        m_loggingContext,
                        m_graph.Nodes.Count(IsProcess),
                        explicitlySelectedProcessCount,
                        explicitlySelectedProcessCount,
                        explicitlySelectedProcessCount,
                        0,
                        duration);
                    Logger.Log.BuildSetCalculatorStats(
                        m_loggingContext,
                        0,
                        0,
                        explicitlySelectedNodeCount,
                        explicitlySelectedProcessCount,
                        nonMaterializedNodeCount,
                        nonMaterializedProcessCount,
                        duration,
                        0,
                        0,
                        0,
                        0);
                    return GetScheduledNodesResult.CreateForNoOperationBuild(explicitlySelectedProcessCount);
                }

                // 2. Add transitive dependents of explicitly scheduled nodes (if requested).
                if (scheduleDependents)
                {
                    m_visitor.VisitTransitiveDependents(
                        nodesToSchedule,
                        visitedNodes,
                        node =>
                        {
                            // Don't schedule dependents that are meta pips. These may artificially connect unrequested
                            // pips since we will later schedule their dependencies. For example, this would cause
                            // everything referenced by a spec file pip to be scheduled as a single unit.
                            PipType pipType = GetPipType(node);
                            if (!pipType.IsMetaPip())
                            {
                                nodesToSchedule.Add(node);

                                if (pipType == PipType.Process)
                                {
                                    ++processesInBuildCone;
                                }

                                return true;
                            }

                            return false;
                        });
                }

                // At this point nodesToSchedule contains
                // (1) all nodes that are explicitly scheduled (explicitlyScheduledNodes), and
                // (2) if scheduleDependents is true, all dependents of (1) transitively.
                transitiveDependencyNodeFilter = visitedNodes;

                // 3. Collect/visit transitive dependencies, but don't put it in nodesToSchedule.
                transitiveDependencyNodeFilter.UnsafeReset();

                // The code below essentially does m_visitor.VisitTransitiveDependencies(nodesToSchedule, transitiveDependencyNodeFilter, node => true), but in parallel.
                foreach (var nodeId in nodesToSchedule)
                {
                    if (transitiveDependencyNodeFilter.MarkVisited(nodeId))
                    {
                        if (IsProcess(nodeId))
                        {
                            ++processesInBuildCone;
                        }
                    }
                }

                ParallelAlgorithms.WhileNotEmpty(
                    nodesToSchedule,
                    (node, add) =>
                    {
                        foreach (Edge inEdge in m_graph.GetIncomingEdges(node))
                        {
                            if (visitedNodes.MarkVisited(inEdge.OtherNode))
                            {
                                add(inEdge.OtherNode);
                                if (IsProcess(inEdge.OtherNode))
                                {
                                    Interlocked.Increment(ref processesInBuildCone);
                                }
                            }
                        }
                    });

                // At this point nodesToSchedule hasn't change from step 2.
                // But now, transitiveDependencyNodeFilter have already marked all nodes in nodesToSchedule, plus
                // their dependencies transitively.
            }

            IEnumerable<NodeId> scheduledNodes;
            var mustExecute = new HashSet<NodeId>();
            var stats = new BuildSetCalculatorStats();
            var metaPipCount = 0;

            using (m_counters.StartStopwatch(PipExecutorCounter.BuildSetCalculatorGetNodesToSchedule))
            {
                scheduledNodes = GetNodesToSchedule(
                    nodesToSchedule,
                    transitiveDependencyNodeFilter,
                    forceSkipDepsMode,
                    scheduleMetaPips,
                    mustExecute,
                    stats,
                    ref metaPipCount);
            }

            int buildConeDuration = (int) m_counters.GetElapsedTime(PipExecutorCounter.BuildSetCalculatorComputeBuildCone).TotalMilliseconds;
            int getScheduledNodesDuration = (int) m_counters.GetElapsedTime(PipExecutorCounter.BuildSetCalculatorGetNodesToSchedule).TotalMilliseconds;
            int scheduledProcessCount = scheduledNodes.Count(IsProcess);

            Logger.Log.BuildSetCalculatorProcessStats(
                m_loggingContext,
                m_graph.Nodes.Count(IsProcess),
                explicitlySelectedProcessCount,
                processesInBuildCone,
                (processesInBuildCone - scheduledProcessCount) + stats.CleanMaterializedProcessFrontierCount,
                scheduledProcessCount,
                buildConeDuration + getScheduledNodesDuration);

            Logger.Log.BuildSetCalculatorStats(
                m_loggingContext,
                dirtyNodeCount,
                dirtyProcessCount,
                explicitlySelectedNodeCount,
                explicitlySelectedProcessCount,
                nonMaterializedNodeCount,
                nonMaterializedProcessCount,
                buildConeDuration,
                scheduledNodes.Count(),
                scheduledProcessCount,
                metaPipCount,
                getScheduledNodesDuration);

            int incrementalSchedulingCacheHits = forceSkipDepsMode == ForceSkipDependenciesMode.Disabled
                ? (processesInBuildCone - scheduledProcessCount + stats.CleanMaterializedProcessFrontierCount)
                : 0;

            return new GetScheduledNodesResult(
                scheduledNodes: scheduledNodes,
                mustExecuteNodes: mustExecute,
                incrementalSchedulingCacheHitProcesses: incrementalSchedulingCacheHits,
                cleanMaterializedProcessFrontierCount: forceSkipDepsMode == ForceSkipDependenciesMode.Disabled ? stats.CleanMaterializedProcessFrontierCount : 0);
        }
Beispiel #19
0
 public CodexAnalyzer(AnalysisInput input, string outputDirectory)
     : base(input)
 {
     m_executedPipsTracker = new VisitationTracker(input.CachedGraph.DirectedGraph);
     OutputDirectory       = outputDirectory;
 }