Beispiel #1
0
        private void SimulateActual(PipExecutionData data, int actualConcurrency, MultiWriter writers)
        {
            // simulate with actual concurrency
            Console.WriteLine("Simulating actual build");
            SimulationResult actualSimulation = new SimulationResult(data, data.AggregateCosts);

            actualSimulation.Simulate(actualConcurrency);
            Console.WriteLine("Done");
            Console.WriteLine();

            WriteActualAndSimulationResults(data, actualSimulation);


            writers.WriteLine("Edge Count: {0}", data.DirectedGraph.EdgeCount);
            writers.WriteLine("Pip Type Counts:");
            foreach (var pipType in EnumTraits <PipType> .EnumerateValues())
            {
                writers.WriteLine("{0}: {1}", data.PipTypeCounts[(int)pipType].ToString().PadLeft(10), pipType);
            }

            writers.WriteLine("Processes with timing information:{0} ", data.DirectedGraph.Nodes.Where(node => data.GetPipType(node) == PipType.Process && data.StartTimes[node] != 0).Count());

            writers.WriteLine("Actual Total Build Time: {0} min", data.TotalDuration.ToMinutes());
            writers.WriteLine("Actual Concurrency: {0}", data.ActualConcurrency);
            writers.WriteLine("Simulated total build time (using actual concurrency): {0} min", actualSimulation.TotalTime.ToMinutes());

            // write down info for each critical path
            ulong criticalPathCost = WriteCriticalPathToResult(writers, data, actualSimulation);
        }
Beispiel #2
0
        private static ulong WriteCriticalPathToResult(MultiWriter writers, PipExecutionData data, SimulationResult testSimulation)
        {
            int   nameWidth;
            int   count            = 0;
            ulong criticalPathCost = 0;

            foreach (var p in data.GetSortedPips(2, true, n => data.GetPipType(n) == PipType.Process, n => data.AggregateCosts[n]))
            {
                // this is the actual critical path. This is not associated with the simulation as it only correlates to the dgg
                List <NodeId> criticalPath      = new List <NodeId>();
                NodeId        criticalChainNode = p.Node;
                while (criticalChainNode.IsValid)
                {
                    criticalPath.Add(criticalChainNode);
                    criticalChainNode = data.CriticalChain[criticalChainNode];
                }

                p.Priority.Max(ref criticalPathCost);

                writers.WriteLine("Critical Path {0}:", count++);
                writers.WriteLine("Critical Path Cost: {0} min", p.Priority.ToMinutes());
                writers.WriteLine("Critical Path Length: {0}", criticalPath.Count);
                nameWidth = criticalPath.Select(n => data.GetName(n).Length).Max();
                writers.WriteLine("Critical Path:\n    {0}", string.Join(Environment.NewLine + " -> ", criticalPath

                                                                         // .Where(n => data.Durations[n] > 0)
                                                                         .Select(n => string.Format(
                                                                                     "{0} ({1} min) [{2}] <{3}> [{4},{5}]",

                                                                                     // .Select(n => string.Format("{0} ({1} min) [{2}] <{3}>",
                                                                                     data.GetName(n).PadLeft(nameWidth),
                                                                                     data.Durations[n].ToMinutes(),
                                                                                     data.PipIds[n],
                                                                                     data.GetPipType(n),
                                                                                     testSimulation.StartTimes[n].ToMinutes(),
                                                                                     testSimulation.EndTimes[n].ToMinutes()))));

                // data.PipTypes[n]))));
            }

            return(criticalPathCost);
        }
Beispiel #3
0
        public override int Analyze()
        {
            Console.WriteLine("Analyzing");

            var data = m_executionData;

            data.Compute();
            Directory.CreateDirectory(resultsFormat.FormatWith(string.Empty));

            int simulationCount = 24;
            int increment       = 100;

            using (StreamWriter sw = new StreamWriter(resultsFormat.FormatWith("result.txt")))
            {
                int actualConcurrency = data.ActualConcurrency <= 0 ? increment : data.ActualConcurrency;

                // write result.txt
                var writers = new MultiWriter(sw, Console.Out);

                //SimulateActual(data, actualConcurrency, writers);

                // a Pip is a process (entity of invocation) or a target for CB
                int nameWidth = data.LongestRunningPips.Select(n => data.GetName(n.Node).Length).Max();
                writers.WriteLine();
                writers.WriteLine("Top 20 Long Running Pips:");
                foreach (var p in data.LongestRunningPips)
                {
                    writers.WriteLine("{0} [{2}]: {1} min", data.GetName(p.Node).PadLeft(nameWidth), p.Priority.ToMinutes(), data.PipIds[p.Node]);
                }

                writers.WriteLine();
                writers.WriteLine("Bottom 20 Shortest Running Processes:");
                foreach (var p in data.ShortestRunningProcesses)
                {
                    writers.WriteLine("{0} [{2}]: {1} min", data.GetName(p.Node).PadLeft(nameWidth), p.Priority.ToMinutes(), data.PipIds[p.Node]);
                }

                SimulationResult[] results = SimulateBuildWithVaryingThreatCount(data, simulationCount, increment);

                results = results.OrderBy(s => s.Threads.Count).ToArray();

                string format = "{0}, {1}, {2}, {3}, {4}, {5}, {6}, {7}, {8}, {9}";
                writers.WriteLine();
                writers.WriteLine("Results");
                writers.WriteLine(
                    format,
                    "Thread Count",                  // 0
                    "Total Execution Time (min)",    // 1
                    "Critical Path Length",          // 2
                    "Critical Path Tail Pip",        // 3
                    "Critical Path Idle Time (min)", // 4
                    "Total Active time (min)",       // in minutes //5
                    "Total time (min)",              // TotalTime 6
                    "Average Utilization",           // 7
                    "Max Path Length",               // 8
                    "Executed Pips")                 // 9
                ;

                // the thread that took the most time excuting
                // cp in this case is not the actual critical path, but the thread that took the longest or the last to complete
                // even if the cp is 20 minutes, the cp as a thread in this context could be 30 due to limited ressources (machines/cores)
                // in terms of time the thread cp will be the same time as the actual cp
                // this information is per build
                for (int i = 0; i < results.Length; i++)
                {
                    var result = results[i];
                    writers.WriteLine(
                        format,
                        result.Threads.Count,                                                                                     // Thread Count: number of cores that have been used
                        result.TotalTime.ToMinutes(),                                                                             // Total Execution Time (min): minutes that it took for the build
                        result.ThreadWithLatestEndTime.Executions.Count,                                                          // Critical Path Length:
                        result.ThreadWithLatestEndTime.Executions.Last().Id.Value,                                                // Critical Path Tail Pip:
                        result.ThreadWithLatestEndTime.IdleTime.ToMinutes(),                                                      // Critical Path Idle Time (min)
                        result.TotalActiveTime.ToMinutes(),                                                                       // totalactivetime in minutes
                        result.TotalTime.ToMinutes(),                                                                             // result.TotalTime
                        Math.Round((double)result.TotalActiveTime / (double)((ulong)result.Threads.Count * result.TotalTime), 3), // Average Utilization
                        result.Threads.Select(t => t.Executions.Count).Max(),
                        result.Threads.Select(t => t.Executions.Count).Sum());
                }

                // Console.ReadKey();
            }

            return(0);
        }