internal static ExecutionResult ExecuteLocalActions(List<Action> InLocalActions, Dictionary<Action, ActionThread> InActionThreadDictionary, int TotalNumJobs)
{
// Time to sleep after each iteration of the loop in order to not busy wait.
const float LoopSleepTime = 0.1f;
ExecutionResult LocalActionsResult = ExecutionResult.TasksSucceeded;
while (true)
{
// Count the number of pending and still executing actions.
int NumUnexecutedActions = 0;
int NumExecutingActions = 0;
foreach (Action Action in InLocalActions)
{
ActionThread ActionThread = null;
bool bFoundActionProcess = InActionThreadDictionary.TryGetValue(Action, out ActionThread);
if (bFoundActionProcess == false)
{
NumUnexecutedActions++;
}
else if (ActionThread != null)
{
if (ActionThread.bComplete == false)
{
NumUnexecutedActions++;
NumExecutingActions++;
}
}
}
// If there aren't any pending actions left, we're done executing.
if (NumUnexecutedActions == 0)
{
break;
}
// If there are fewer actions executing than the maximum, look for pending actions that don't have any outdated
// prerequisites.
foreach (Action Action in InLocalActions)
{
ActionThread ActionProcess = null;
bool bFoundActionProcess = InActionThreadDictionary.TryGetValue(Action, out ActionProcess);
if (bFoundActionProcess == false)
{
if (NumExecutingActions < Math.Max(1, MaxActionsToExecuteInParallel))
{
// Determine whether there are any prerequisites of the action that are outdated.
bool bHasOutdatedPrerequisites = false;
bool bHasFailedPrerequisites = false;
foreach (FileItem PrerequisiteItem in Action.PrerequisiteItems)
{
if (PrerequisiteItem.ProducingAction != null && InLocalActions.Contains(PrerequisiteItem.ProducingAction))
{
ActionThread PrerequisiteProcess = null;
bool bFoundPrerequisiteProcess = InActionThreadDictionary.TryGetValue(PrerequisiteItem.ProducingAction, out PrerequisiteProcess);
if (bFoundPrerequisiteProcess == true)
{
if (PrerequisiteProcess == null)
{
bHasFailedPrerequisites = true;
}
else if (PrerequisiteProcess.bComplete == false)
{
bHasOutdatedPrerequisites = true;
}
else if (PrerequisiteProcess.ExitCode != 0)
{
bHasFailedPrerequisites = true;
}
}
else
{
bHasOutdatedPrerequisites = true;
}
}
}
// If there are any failed prerequisites of this action, don't execute it.
if (bHasFailedPrerequisites)
{
// Add a null entry in the dictionary for this action.
InActionThreadDictionary.Add(Action, null);
}
// If there aren't any outdated prerequisites of this action, execute it.
else if (!bHasOutdatedPrerequisites)
{
ActionThread ActionThread = new ActionThread(Action, JobNumber, TotalNumJobs);
ActionThread.Run();
InActionThreadDictionary.Add(Action, ActionThread);
NumExecutingActions++;
JobNumber++;
}
}
}
}
System.Threading.Thread.Sleep(TimeSpan.FromSeconds(LoopSleepTime));
}
return LocalActionsResult;
}
/**
* Executes the specified actions locally.
* @return True if all the tasks successfully executed, or false if any of them failed.
*/
public static bool ExecuteActions(List<Action> Actions)
{
// Time to sleep after each iteration of the loop in order to not busy wait.
const float LoopSleepTime = 0.1f;
// Use WMI to figure out physical cores, excluding hyper threading.
int NumCores = 0;
if (!Utils.IsRunningOnMono)
{
try
{
using (var Mos = new System.Management.ManagementObjectSearcher("Select * from Win32_Processor"))
{
var MosCollection = Mos.Get();
foreach (var Item in MosCollection)
{
NumCores += int.Parse(Item["NumberOfCores"].ToString());
}
}
}
catch (Exception Ex)
{
Log.TraceWarning("Unable to get the number of Cores: {0}", Ex.ToString());
Log.TraceWarning("Falling back to processor count.");
}
}
// On some systems this requires a hot fix to work so we fall back to using the (logical) processor count.
if (NumCores == 0)
{
NumCores = System.Environment.ProcessorCount;
}
// The number of actions to execute in parallel is trying to keep the CPU busy enough in presence of I/O stalls.
int MaxActionsToExecuteInParallel = 0;
// The CPU has more logical cores than physical ones, aka uses hyper-threading.
if (NumCores < System.Environment.ProcessorCount)
{
MaxActionsToExecuteInParallel = (int)(NumCores * BuildConfiguration.ProcessorCountMultiplier);
}
// No hyper-threading. Only kicking off a task per CPU to keep machine responsive.
else
{
MaxActionsToExecuteInParallel = NumCores;
}
if (Utils.IsRunningOnMono)
{
// heuristic: give each action at least 1.5GB of RAM (some clang instances will need more, actually)
long MinMemoryPerActionMB = 3 * 1024 / 2;
long PhysicalRAMAvailableMB = (new PerformanceCounter("Mono Memory", "Total Physical Memory").RawValue) / (1024 * 1024);
int MaxActionsAffordedByMemory = (int)(Math.Max(1, (PhysicalRAMAvailableMB) / MinMemoryPerActionMB));
MaxActionsToExecuteInParallel = Math.Min(MaxActionsToExecuteInParallel, MaxActionsAffordedByMemory);
}
MaxActionsToExecuteInParallel = Math.Min(MaxActionsToExecuteInParallel, BuildConfiguration.MaxProcessorCount);
Log.TraceInformation("Performing {0} actions ({1} in parallel)", Actions.Count, MaxActionsToExecuteInParallel);
Dictionary<Action, ActionThread> ActionThreadDictionary = new Dictionary<Action, ActionThread>();
int JobNumber = 1;
using (ProgressWriter ProgressWriter = new ProgressWriter("Compiling C++ source code...", false))
{
int ProgressValue = 0;
while (true)
{
// Count the number of pending and still executing actions.
int NumUnexecutedActions = 0;
int NumExecutingActions = 0;
foreach (Action Action in Actions)
{
ActionThread ActionThread = null;
bool bFoundActionProcess = ActionThreadDictionary.TryGetValue(Action, out ActionThread);
if (bFoundActionProcess == false)
{
NumUnexecutedActions++;
}
else if (ActionThread != null)
{
if (ActionThread.bComplete == false)
{
NumUnexecutedActions++;
NumExecutingActions++;
}
}
}
// Update the current progress
int NewProgressValue = Actions.Count + 1 - NumUnexecutedActions;
if (ProgressValue != NewProgressValue)
{
ProgressWriter.Write(ProgressValue, Actions.Count + 1);
ProgressValue = NewProgressValue;
}
// If there aren't any pending actions left, we're done executing.
if (NumUnexecutedActions == 0)
{
break;
}
// If there are fewer actions executing than the maximum, look for pending actions that don't have any outdated
// prerequisites.
foreach (Action Action in Actions)
{
ActionThread ActionProcess = null;
bool bFoundActionProcess = ActionThreadDictionary.TryGetValue(Action, out ActionProcess);
if (bFoundActionProcess == false)
{
if (NumExecutingActions < Math.Max(1, MaxActionsToExecuteInParallel))
{
// Determine whether there are any prerequisites of the action that are outdated.
bool bHasOutdatedPrerequisites = false;
bool bHasFailedPrerequisites = false;
foreach (FileItem PrerequisiteItem in Action.PrerequisiteItems)
{
if (PrerequisiteItem.ProducingAction != null && Actions.Contains(PrerequisiteItem.ProducingAction))
{
ActionThread PrerequisiteProcess = null;
bool bFoundPrerequisiteProcess = ActionThreadDictionary.TryGetValue(PrerequisiteItem.ProducingAction, out PrerequisiteProcess);
if (bFoundPrerequisiteProcess == true)
{
if (PrerequisiteProcess == null)
{
bHasFailedPrerequisites = true;
}
else if (PrerequisiteProcess.bComplete == false)
{
bHasOutdatedPrerequisites = true;
}
else if (PrerequisiteProcess.ExitCode != 0)
{
bHasFailedPrerequisites = true;
}
}
else
{
bHasOutdatedPrerequisites = true;
}
}
}
// If there are any failed prerequisites of this action, don't execute it.
if (bHasFailedPrerequisites)
{
// Add a null entry in the dictionary for this action.
ActionThreadDictionary.Add(Action, null);
}
// If there aren't any outdated prerequisites of this action, execute it.
else if (!bHasOutdatedPrerequisites)
{
ActionThread ActionThread = new ActionThread(Action, JobNumber, Actions.Count);
JobNumber++;
ActionThread.Run();
ActionThreadDictionary.Add(Action, ActionThread);
NumExecutingActions++;
}
}
}
}
System.Threading.Thread.Sleep(TimeSpan.FromSeconds(LoopSleepTime));
}
}
Log.WriteLineIf(BuildConfiguration.bLogDetailedActionStats, TraceEventType.Information, "-------- Begin Detailed Action Stats ----------------------------------------------------------");
Log.WriteLineIf(BuildConfiguration.bLogDetailedActionStats, TraceEventType.Information, "^Action Type^Duration (seconds)^Tool^Task^Using PCH");
double TotalThreadSeconds = 0;
// Check whether any of the tasks failed and log action stats if wanted.
bool bSuccess = true;
foreach (KeyValuePair<Action, ActionThread> ActionProcess in ActionThreadDictionary)
{
Action Action = ActionProcess.Key;
ActionThread ActionThread = ActionProcess.Value;
// Check for pending actions, preemptive failure
if (ActionThread == null)
{
bSuccess = false;
continue;
}
// Check for executed action but general failure
if (ActionThread.ExitCode != 0)
{
bSuccess = false;
}
// Log CPU time, tool and task.
double ThreadSeconds = Action.Duration.TotalSeconds;
Log.WriteLineIf(BuildConfiguration.bLogDetailedActionStats,
TraceEventType.Information,
"^{0}^{1:0.00}^{2}^{3}^{4}",
Action.ActionType.ToString(),
ThreadSeconds,
Path.GetFileName(Action.CommandPath),
Action.StatusDescription,
Action.bIsUsingPCH);
// Update statistics
switch (Action.ActionType)
{
case ActionType.BuildProject:
STBuildTool.TotalBuildProjectTime += ThreadSeconds;
break;
case ActionType.Compile:
STBuildTool.TotalCompileTime += ThreadSeconds;
break;
case ActionType.CreateAppBundle:
STBuildTool.TotalCreateAppBundleTime += ThreadSeconds;
break;
case ActionType.GenerateDebugInfo:
STBuildTool.TotalGenerateDebugInfoTime += ThreadSeconds;
break;
case ActionType.Link:
STBuildTool.TotalLinkTime += ThreadSeconds;
break;
default:
STBuildTool.TotalOtherActionsTime += ThreadSeconds;
break;
}
// Keep track of total thread seconds spent on tasks.
TotalThreadSeconds += ThreadSeconds;
}
Log.TraceInformation("-------- End Detailed Actions Stats -----------------------------------------------------------");
// Log total CPU seconds and numbers of processors involved in tasks.
Log.WriteLineIf(BuildConfiguration.bLogDetailedActionStats || BuildConfiguration.bPrintDebugInfo,
TraceEventType.Information, "Cumulative thread seconds ({0} processors): {1:0.00}", System.Environment.ProcessorCount, TotalThreadSeconds);
return bSuccess;
}
internal static ExecutionResult ExecuteActions(List<Action> InActions, Dictionary<Action, ActionThread> InActionThreadDictionary)
{
// Build the script file that will be executed by SN-DBS
StreamWriter ScriptFile;
string ScriptFilename = Path.Combine(BuildConfiguration.BaseIntermediatePath, "SNDBS.bat");
FileStream ScriptFileStream = new FileStream(ScriptFilename, FileMode.Create, FileAccess.ReadWrite, FileShare.Read);
ScriptFile = new StreamWriter(ScriptFileStream);
ScriptFile.AutoFlush = true;
int NumScriptedActions = 0;
List<Action> LocalActions = new List<Action>();
ActionThread DummyActionThread = new ActionThread(null, 1, 1);
foreach (Action Action in InActions)
{
ActionThread ActionProcess = null;
bool bFoundActionProcess = InActionThreadDictionary.TryGetValue(Action, out ActionProcess);
if (bFoundActionProcess == false)
{
// Determine whether there are any prerequisites of the action that are outdated.
bool bHasOutdatedPrerequisites = false;
bool bHasFailedPrerequisites = false;
foreach (FileItem PrerequisiteItem in Action.PrerequisiteItems)
{
if (PrerequisiteItem.ProducingAction != null && InActions.Contains(PrerequisiteItem.ProducingAction))
{
ActionThread PrerequisiteProcess = null;
bool bFoundPrerequisiteProcess = InActionThreadDictionary.TryGetValue(PrerequisiteItem.ProducingAction, out PrerequisiteProcess);
if (bFoundPrerequisiteProcess == true)
{
if (PrerequisiteProcess == null)
{
bHasFailedPrerequisites = true;
}
else if (PrerequisiteProcess.bComplete == false)
{
bHasOutdatedPrerequisites = true;
}
else if (PrerequisiteProcess.ExitCode != 0)
{
bHasFailedPrerequisites = true;
}
}
else
{
bHasOutdatedPrerequisites = true;
}
}
}
// If there are any failed prerequisites of this action, don't execute it.
if (bHasFailedPrerequisites)
{
// Add a null entry in the dictionary for this action.
InActionThreadDictionary.Add(Action, null);
}
// If there aren't any outdated prerequisites of this action, execute it.
else if (!bHasOutdatedPrerequisites)
{
if (Action.bCanExecuteRemotely == false)
{
// Execute locally
LocalActions.Add(Action);
}
else
{
// Add to script for execution by SN-DBS
string NewCommandArguments = "\"" + Action.CommandPath + "\"" + " " + Action.CommandArguments;
ScriptFile.WriteLine(ActionThread.ExpandEnvironmentVariables(NewCommandArguments));
InActionThreadDictionary.Add(Action, DummyActionThread);
Action.StartTime = Action.EndTime = DateTimeOffset.Now;
Log.TraceInformation("[{0}/{1}] {2} {3}", JobNumber, InActions.Count, Action.CommandDescription, Action.StatusDescription);
JobNumber++;
NumScriptedActions++;
}
}
}
}
ScriptFile.Flush();
ScriptFile.Close();
ScriptFile.Dispose();
ScriptFile = null;
if (NumScriptedActions > 0)
{
// Create the process
ProcessStartInfo PSI = new ProcessStartInfo("dbsbuild", "-p UE4 -s " + BuildConfiguration.BaseIntermediatePath + "/sndbs.bat");
PSI.RedirectStandardOutput = true;
PSI.RedirectStandardError = true;
PSI.UseShellExecute = false;
PSI.CreateNoWindow = true;
PSI.WorkingDirectory = Path.GetFullPath("."); ;
Process NewProcess = new Process();
NewProcess.StartInfo = PSI;
NewProcess.OutputDataReceived += new DataReceivedEventHandler(ActionDebugOutput);
NewProcess.ErrorDataReceived += new DataReceivedEventHandler(ActionDebugOutput);
DateTimeOffset StartTime = DateTimeOffset.Now;
NewProcess.Start();
NewProcess.BeginOutputReadLine();
NewProcess.BeginErrorReadLine();
NewProcess.WaitForExit();
TimeSpan Duration;
DateTimeOffset EndTime = DateTimeOffset.Now;
if (EndTime == DateTimeOffset.MinValue)
{
Duration = DateTimeOffset.Now - StartTime;
}
else
{
Duration = EndTime - StartTime;
}
DummyActionThread.bComplete = true;
int ExitCode = NewProcess.ExitCode;
if (ExitCode != 0)
{
return ExecutionResult.TasksFailed;
}
else
{
STBuildTool.TotalCompileTime += Duration.TotalSeconds;
}
}
// Execute local tasks
if (LocalActions.Count > 0)
{
return ExecuteLocalActions(LocalActions, InActionThreadDictionary, InActions.Count);
}
return ExecutionResult.TasksSucceeded;
}
public static bool ExecuteActions(List<Action> Actions)
{
bool bDistccResult = true;
if (Actions.Count > 0)
{
// Time to sleep after each iteration of the loop in order to not busy wait.
const float LoopSleepTime = 0.1f;
int MaxActionsToExecuteInParallel = 0;
string UserDir = Environment.GetEnvironmentVariable("HOME");
string HostsInfo = UserDir + "/.dmucs/hosts-info";
System.IO.StreamReader File = new System.IO.StreamReader(HostsInfo);
string Line = null;
while ((Line = File.ReadLine()) != null)
{
var HostInfo = Line.Split(' ');
if (HostInfo.Count() == 3)
{
int NumCPUs = 0;
if (System.Int32.TryParse(HostInfo[1], out NumCPUs))
{
MaxActionsToExecuteInParallel += NumCPUs;
}
}
}
File.Close();
if (BuildConfiguration.bAllowDistccLocalFallback == false)
{
Environment.SetEnvironmentVariable("DISTCC_FALLBACK", "0");
}
string DistccExecutable = BuildConfiguration.DistccExecutablesPath + "/distcc";
string GetHostExecutable = BuildConfiguration.DistccExecutablesPath + "/gethost";
Log.TraceInformation("Performing {0} actions ({1} in parallel)", Actions.Count, MaxActionsToExecuteInParallel, DistccExecutable, GetHostExecutable);
Dictionary<Action, ActionThread> ActionThreadDictionary = new Dictionary<Action, ActionThread>();
int JobNumber = 1;
using (ProgressWriter ProgressWriter = new ProgressWriter("Compiling source code...", false))
{
int ProgressValue = 0;
while (true)
{
// Count the number of pending and still executing actions.
int NumUnexecutedActions = 0;
int NumExecutingActions = 0;
foreach (Action Action in Actions)
{
ActionThread ActionThread = null;
bool bFoundActionProcess = ActionThreadDictionary.TryGetValue(Action, out ActionThread);
if (bFoundActionProcess == false)
{
NumUnexecutedActions++;
}
else if (ActionThread != null)
{
if (ActionThread.bComplete == false)
{
NumUnexecutedActions++;
NumExecutingActions++;
}
}
}
// Update the current progress
int NewProgressValue = Actions.Count + 1 - NumUnexecutedActions;
if (ProgressValue != NewProgressValue)
{
ProgressWriter.Write(ProgressValue, Actions.Count + 1);
ProgressValue = NewProgressValue;
}
// If there aren't any pending actions left, we're done executing.
if (NumUnexecutedActions == 0)
{
break;
}
// If there are fewer actions executing than the maximum, look for pending actions that don't have any outdated
// prerequisites.
foreach (Action Action in Actions)
{
ActionThread ActionProcess = null;
bool bFoundActionProcess = ActionThreadDictionary.TryGetValue(Action, out ActionProcess);
if (bFoundActionProcess == false)
{
if (NumExecutingActions < Math.Max(1, MaxActionsToExecuteInParallel))
{
// Determine whether there are any prerequisites of the action that are outdated.
bool bHasOutdatedPrerequisites = false;
bool bHasFailedPrerequisites = false;
foreach (FileItem PrerequisiteItem in Action.PrerequisiteItems)
{
if (PrerequisiteItem.ProducingAction != null && Actions.Contains(PrerequisiteItem.ProducingAction))
{
ActionThread PrerequisiteProcess = null;
bool bFoundPrerequisiteProcess = ActionThreadDictionary.TryGetValue(PrerequisiteItem.ProducingAction, out PrerequisiteProcess);
if (bFoundPrerequisiteProcess == true)
{
if (PrerequisiteProcess == null)
{
bHasFailedPrerequisites = true;
}
else if (PrerequisiteProcess.bComplete == false)
{
bHasOutdatedPrerequisites = true;
}
else if (PrerequisiteProcess.ExitCode != 0)
{
bHasFailedPrerequisites = true;
}
}
else
{
bHasOutdatedPrerequisites = true;
}
}
}
// If there are any failed prerequisites of this action, don't execute it.
if (bHasFailedPrerequisites)
{
// Add a null entry in the dictionary for this action.
ActionThreadDictionary.Add(Action, null);
}
// If there aren't any outdated prerequisites of this action, execute it.
else if (!bHasOutdatedPrerequisites)
{
if ((Action.ActionType == ActionType.Compile || Action.ActionType == ActionType.Link) && DistccExecutable != null && GetHostExecutable != null)
{
string NewCommandArguments = "--wait -1 \"" + DistccExecutable + "\" " + Action.CommandPath + " " + Action.CommandArguments;
Action.CommandPath = GetHostExecutable;
Action.CommandArguments = NewCommandArguments;
}
ActionThread ActionThread = new ActionThread(Action, JobNumber, Actions.Count);
JobNumber++;
ActionThread.Run();
ActionThreadDictionary.Add(Action, ActionThread);
NumExecutingActions++;
}
}
}
}
System.Threading.Thread.Sleep(TimeSpan.FromSeconds(LoopSleepTime));
}
}
Log.WriteLineIf(BuildConfiguration.bLogDetailedActionStats, TraceEventType.Information, "-------- Begin Detailed Action Stats ----------------------------------------------------------");
Log.WriteLineIf(BuildConfiguration.bLogDetailedActionStats, TraceEventType.Information, "^Action Type^Duration (seconds)^Tool^Task^Using PCH");
double TotalThreadSeconds = 0;
// Check whether any of the tasks failed and log action stats if wanted.
foreach (KeyValuePair<Action, ActionThread> ActionProcess in ActionThreadDictionary)
{
Action Action = ActionProcess.Key;
ActionThread ActionThread = ActionProcess.Value;
// Check for pending actions, preemptive failure
if (ActionThread == null)
{
bDistccResult = false;
continue;
}
// Check for executed action but general failure
if (ActionThread.ExitCode != 0)
{
bDistccResult = false;
}
// Log CPU time, tool and task.
double ThreadSeconds = Action.Duration.TotalSeconds;
Log.WriteLineIf(BuildConfiguration.bLogDetailedActionStats,
TraceEventType.Information,
"^{0}^{1:0.00}^{2}^{3}^{4}",
Action.ActionType.ToString(),
ThreadSeconds,
Path.GetFileName(Action.CommandPath),
Action.StatusDescription,
Action.bIsUsingPCH);
// Update statistics
switch (Action.ActionType)
{
case ActionType.BuildProject:
STBuildTool.TotalBuildProjectTime += ThreadSeconds;
break;
case ActionType.Compile:
STBuildTool.TotalCompileTime += ThreadSeconds;
break;
case ActionType.CreateAppBundle:
STBuildTool.TotalCreateAppBundleTime += ThreadSeconds;
break;
case ActionType.GenerateDebugInfo:
STBuildTool.TotalGenerateDebugInfoTime += ThreadSeconds;
break;
case ActionType.Link:
STBuildTool.TotalLinkTime += ThreadSeconds;
break;
default:
STBuildTool.TotalOtherActionsTime += ThreadSeconds;
break;
}
// Keep track of total thread seconds spent on tasks.
TotalThreadSeconds += ThreadSeconds;
}
Log.TraceInformation("-------- End Detailed Actions Stats -----------------------------------------------------------");
// Log total CPU seconds and numbers of processors involved in tasks.
Log.WriteLineIf(BuildConfiguration.bLogDetailedActionStats || BuildConfiguration.bPrintDebugInfo,
TraceEventType.Information, "Cumulative thread seconds ({0} processors): {1:0.00}", System.Environment.ProcessorCount, TotalThreadSeconds);
}
return bDistccResult;
}