def statsAggregatorProcess(jobTreePath, tempDirs, stop): #Overall timing startTime = time.time() startClock = getTotalCpuTime() #Start off the stats file fileHandle = open(getStatsFileName(jobTreePath), 'w') fileHandle.write('<?xml version="1.0" ?><stats>') statsFile = getStatsFileName(jobTreePath) #The main loop while True: def fn(): i = 0 for dir in tempDirs: for tempFile in os.listdir(dir): if tempFile[-3:] != "new": absTempFile = os.path.join(dir, tempFile) fH = open(absTempFile, 'r') for line in fH.readlines(): fileHandle.write(line) fH.close() os.remove(absTempFile) i += 1 return i if not stop.empty(): fn() break if not fn(): time.sleep(0.5) #Avoid cycling too fast #Finish the stats file fileHandle.write("<total_time time='%s' clock='%s'/></stats>" % (str(time.time() - startTime), str(getTotalCpuTime() - startClock))) fileHandle.close()
def statsAggregatorProcess(jobTreePath, tempDirs, stop): #Overall timing startTime = time.time() startClock = getTotalCpuTime() #Start off the stats file fileHandle = open(getStatsFileName(jobTreePath), 'w') fileHandle.write('<?xml version="1.0" ?><stats>') statsFile = getStatsFileName(jobTreePath) #The main loop timeSinceOutFileLastFlushed = time.time() while True: def scanDirectoriesAndScrapeStats(): numberOfFilesProcessed = 0 for dir in tempDirs: for tempFile in os.listdir(dir): if tempFile[-3:] != "new": absTempFile = os.path.join(dir, tempFile) fH = open(absTempFile, 'r') for line in fH.readlines(): fileHandle.write(line) fH.close() os.remove(absTempFile) numberOfFilesProcessed += 1 return numberOfFilesProcessed if not stop.empty( ): #This is a indirect way of getting a message to the process to exit scanDirectoriesAndScrapeStats() break if scanDirectoriesAndScrapeStats() == 0: time.sleep(0.5) #Avoid cycling too fast if time.time( ) - timeSinceOutFileLastFlushed > 60: #Flush the results file every minute fileHandle.flush() timeSinceOutFileLastFlushed = time.time() #Finish the stats file fileHandle.write( "<total_time time='%s' clock='%s'/></stats>" % (str(time.time() - startTime), str(getTotalCpuTime() - startClock))) fileHandle.close()
def statsAggregatorProcess(jobTreePath, tempDirs, stop): #Overall timing startTime = time.time() startClock = getTotalCpuTime() #Start off the stats file fileHandle = open(getStatsFileName(jobTreePath), 'w') fileHandle.write('<?xml version="1.0" ?><stats>') statsFile = getStatsFileName(jobTreePath) #The main loop timeSinceOutFileLastFlushed = time.time() while True: def scanDirectoriesAndScrapeStats(): numberOfFilesProcessed = 0 for dir in tempDirs: for tempFile in os.listdir(dir): if tempFile[-3:] != "new": absTempFile = os.path.join(dir, tempFile) fH = open(absTempFile, 'r') for line in fH.readlines(): fileHandle.write(line) fH.close() os.remove(absTempFile) numberOfFilesProcessed += 1 return numberOfFilesProcessed if not stop.empty(): #This is a indirect way of getting a message to the process to exit scanDirectoriesAndScrapeStats() break if scanDirectoriesAndScrapeStats() == 0: time.sleep(0.5) #Avoid cycling too fast if time.time() - timeSinceOutFileLastFlushed > 60: #Flush the results file every minute fileHandle.flush() timeSinceOutFileLastFlushed = time.time() #Finish the stats file fileHandle.write("<total_time time='%s' clock='%s'/></stats>" % (str(time.time() - startTime), str(getTotalCpuTime() - startClock))) fileHandle.close()
def processJob(job, jobToRun, memoryAvailable, cpuAvailable, stats, environment, localSlaveTempDir, localTempDir): """Runs a job. """ from sonLib.bioio import logger from sonLib.bioio import system from sonLib.bioio import getTotalCpuTime from sonLib.bioio import redirectLoggerStreamHandlers assert len(job.find("children").findall("child")) == 0 assert int(job.attrib["child_count"]) == int(job.attrib["black_child_count"]) command = jobToRun.attrib["command"] #Copy the job file to be edited tempJob = ET.Element("job") ET.SubElement(tempJob, "children") #Log for job tempJob.attrib["log_level"] = job.attrib["log_level"] #Time length of 'ideal' job before further parallelism is required tempJob.attrib["job_time"] = job.attrib["job_time"] #Temp file dirs for job. tempJob.attrib["local_temp_dir"] = localTempDir depth = len(job.find("followOns").findall("followOn")) tempJob.attrib["global_temp_dir"] = os.path.join(job.attrib["global_temp_dir"], str(depth)) if not os.path.isdir(tempJob.attrib["global_temp_dir"]): #Ensures that the global temp dirs of each level are kept separate. os.mkdir(tempJob.attrib["global_temp_dir"]) os.chmod(tempJob.attrib["global_temp_dir"], 0777) if os.path.isdir(os.path.join(job.attrib["global_temp_dir"], str(depth+1))): system("rm -rf %s" % os.path.join(job.attrib["global_temp_dir"], str(depth+1))) assert not os.path.isdir(os.path.join(job.attrib["global_temp_dir"], str(depth+2))) #Deal with memory and cpu requirements (this pass tells the running job how much cpu and memory they have, #according to the batch system tempJob.attrib["available_memory"] = str(memoryAvailable) tempJob.attrib["available_cpu"] = str(cpuAvailable) #Run the actual command tempLogFile = os.path.join(localSlaveTempDir, "temp.log") fileHandle = open(tempLogFile, 'w') if stats != None: tempJob.attrib["stats"] = "" startTime = time.time() startClock = getTotalCpuTime() #If you're a script tree python process, we don't need to python if command[:10] == "scriptTree": import jobTree.scriptTree.scriptTree savedStdErr = sys.stderr savedStdOut = sys.stdout exitValue = 0 try: sys.stderr = fileHandle sys.stdout = fileHandle redirectLoggerStreamHandlers(savedStdErr, fileHandle) l = command.split() jobTree.scriptTree.scriptTree.run(tempJob, l[1], l[2:]) except: traceback.print_exc(file = fileHandle) exitValue = 1 sys.stderr = savedStdErr sys.stdout = savedStdOut redirectLoggerStreamHandlers(fileHandle, sys.stderr) if exitValue == 1: logger.critical("Caught an exception in the target being run") else: if "JOB_FILE" not in command: logger.critical("There is no 'JOB_FILE' string in the command to be run to take the job-file argument: %s" % command) job.attrib["colour"] = "red" #Update the colour #Now write the temp job file tempFile = os.path.join(localSlaveTempDir, "tempJob.xml") fileHandle2 = open(tempFile, 'w') tree = ET.ElementTree(tempJob) tree.write(fileHandle2) fileHandle2.close() logger.info("Copied the jobs files ready for the job") process = subprocess.Popen(command.replace("JOB_FILE", tempFile), shell=True, stdout=fileHandle, stderr=subprocess.STDOUT, env=environment) sts = os.waitpid(process.pid, 0) exitValue = sts[1] if exitValue == 0: tempJob = ET.parse(tempFile).getroot() fileHandle.close() truncateFile(tempLogFile, int(job.attrib["max_log_file_size"])) logger.info("Ran the job command=%s with exit status %i" % (command, exitValue)) if exitValue == 0: logger.info("Passed the job, okay") if stats != None: jobTag = ET.SubElement(stats, "job", { "time":str(time.time() - startTime), "clock":str(getTotalCpuTime() - startClock) }) if tempJob.find("stack") != None: jobTag.append(tempJob.find("stack")) job.attrib["colour"] = "black" #Update the colour #Deal with any logging messages directed at the master if tempJob.find("messages") != None: messages = job.find("messages") if messages == None: messages = ET.SubElement(job, "messages") for messageTag in tempJob.find("messages").findall("message"): messages.append(messageTag) #Update the runtime of the stack.. totalRuntime = float(job.attrib["total_time"]) #This is the estimate runtime of the jobs on the followon stack runtime = float(jobToRun.attrib["time"]) totalRuntime -= runtime if totalRuntime < 0.0: totalRuntime = 0.0 #The children children = job.find("children") assert len(children.findall("child")) == 0 #The children assert tempJob.find("children") != None for child in tempJob.find("children").findall("child"): memory, cpu, compTime = getMemoryCpuAndTimeRequirements(job, child) ET.SubElement(children, "child", { "command":child.attrib["command"], "time":str(compTime), "memory":str(memory), "cpu":str(cpu) }) logger.info("Making a child with command: %s" % (child.attrib["command"])) #The follow on command followOns = job.find("followOns") followOns.remove(followOns.findall("followOn")[-1]) #Remove the old job if tempJob.attrib.has_key("command"): memory, cpu, compTime = getMemoryCpuAndTimeRequirements(job, tempJob) ET.SubElement(followOns, "followOn", { "command":tempJob.attrib["command"], "time":str(compTime), "memory":str(memory), "cpu":str(cpu) }) ##Add the runtime to the total runtime.. totalRuntime += compTime logger.info("Making a follow on job with command: %s" % tempJob.attrib["command"]) elif len(tempJob.find("children").findall("child")) != 0: #This is to keep the stack of follow on jobs consistent. ET.SubElement(followOns, "followOn", { "command":"echo JOB_FILE", "time":"0", "memory":"1000000", "cpu":"1" }) logger.info("Making a stub follow on job") #Write back the runtime, after addin the follow on time and subtracting the time of the run job. job.attrib["total_time"] = str(totalRuntime) else: logger.critical("Failed the job") job.attrib["colour"] = "red" #Update the colour #Clean up system("rm -rf %s/*" % (localTempDir)) logger.info("Cleaned up by removing the contents of the local temporary file directory for the job") return tempLogFile
def main(): sys.path.append(sys.argv[1]) sys.argv.remove(sys.argv[1]) #Now we can import all the stuff.. from sonLib.bioio import getBasicOptionParser from sonLib.bioio import parseBasicOptions from sonLib.bioio import logger from sonLib.bioio import addLoggingFileHandler from sonLib.bioio import setLogLevel from sonLib.bioio import getTotalCpuTime from sonLib.bioio import getTempDirectory from jobTree.src.master import writeJobs from jobTree.src.master import readJob from sonLib.bioio import system ########################################## #Construct the arguments. ########################################## parser = getBasicOptionParser("usage: %prog [options]", "%prog 0.1") parser.add_option("--job", dest="jobFile", help="Job file containing command to run", default="None") options, args = parseBasicOptions(parser) assert len(args) == 0 ########################################## #Parse the job. ########################################## job = readJob(options.jobFile) ########################################## #Setup the logging ########################################## #Setup the logging setLogLevel(job.attrib["log_level"]) addLoggingFileHandler(job.attrib["slave_log_file"], rotatingLogging=False) logger.info("Parsed arguments and set up logging") ########################################## #Setup the stats, if requested ########################################## if job.attrib.has_key("stats"): startTime = time.time() startClock = getTotalCpuTime() stats = ET.Element("slave") else: stats = None ########################################## #Load the environment for the job ########################################## #First load the environment for the job. fileHandle = open(job.attrib["environment_file"], 'r') environment = cPickle.load(fileHandle) fileHandle.close() for i in environment: if i not in ("TMPDIR", "TMP", "HOSTNAME", "HOSTTYPE"): os.environ[i] = environment[i] # sys.path is used by __import__ to find modules if "PYTHONPATH" in environment: for e in environment["PYTHONPATH"].split(':'): if e != '': sys.path.append(e) #os.environ = environment #os.putenv(key, value) logger.info("Loaded the environment for the process") ########################################## #Setup the temporary directories. ########################################## #Dir to put all the temp files in. localSlaveTempDir = getTempDirectory() localTempDir = os.path.join(localSlaveTempDir, "localTempDir") os.mkdir(localTempDir) os.chmod(localTempDir, 0777) ########################################## #Run the script. ########################################## maxTime = float(job.attrib["job_time"]) assert maxTime > 0.0 assert maxTime < sys.maxint jobToRun = job.find("followOns").findall("followOn")[-1] memoryAvailable = int(jobToRun.attrib["memory"]) cpuAvailable = int(jobToRun.attrib["cpu"]) startTime = time.time() while True: tempLogFile = processJob(job, jobToRun, memoryAvailable, cpuAvailable, stats, environment, localSlaveTempDir, localTempDir) if job.attrib["colour"] != "black": logger.critical("Exiting the slave because of a failed job") system("mv %s %s" % (tempLogFile, job.attrib["log_file"])) #Copy back the job log file, because we saw failure break elif job.attrib.has_key("reportAllJobLogFiles"): logger.info("Exiting because we've been asked to report all logs, and this involves returning to the master") #Copy across the log file system("mv %s %s" % (tempLogFile, job.attrib["log_file"])) break totalRuntime = float(job.attrib["total_time"]) #This is the estimate runtime of the jobs on the followon stack childrenNode = job.find("children") childrenList = childrenNode.findall("child") #childRuntime = sum([ float(child.attrib["time"]) for child in childrenList ]) if len(childrenList) >= 2: # or totalRuntime + childRuntime > maxTime: #We are going to have to return to the parent logger.info("No more jobs can run in series by this slave, its got %i children" % len(childrenList)) break if time.time() - startTime > maxTime: logger.info("We are breaking because the maximum time the job should run for has been exceeded") break followOns = job.find("followOns") while len(childrenList) > 0: child = childrenList.pop() childrenNode.remove(child) totalRuntime += float(child.attrib["time"]) ET.SubElement(followOns, "followOn", child.attrib.copy()) #assert totalRuntime <= maxTime + 1 #The plus one second to avoid unimportant rounding errors job.attrib["total_time"] = str(totalRuntime) assert len(childrenNode.findall("child")) == 0 if len(followOns.findall("followOn")) == 0: logger.info("No more jobs can run by this slave as we have exhausted the follow ons") break #Get the next job and see if we have enough cpu and memory to run it.. jobToRun = job.find("followOns").findall("followOn")[-1] if int(jobToRun.attrib["memory"]) > memoryAvailable: logger.info("We need more memory for the next job, so finishing") break if int(jobToRun.attrib["cpu"]) > cpuAvailable: logger.info("We need more cpus for the next job, so finishing") break ##Updated the job so we can start the next loop cycle job.attrib["colour"] = "grey" writeJobs([ job ]) logger.info("Updated the status of the job to grey and starting the next job") #Write back the job file with the updated jobs, using the checkpoint method. writeJobs([ job ]) logger.info("Written out an updated job file") logger.info("Finished running the chain of jobs on this node, we ran for a total of %f seconds" % (time.time() - startTime)) ########################################## #Cleanup the temporary directory ########################################## system("rm -rf %s" % localSlaveTempDir) ########################################## #Finish up the stats ########################################## if stats != None: stats.attrib["time"] = str(time.time() - startTime) stats.attrib["clock"] = str(getTotalCpuTime() - startClock) fileHandle = open(job.attrib["stats"], 'w') ET.ElementTree(stats).write(fileHandle) fileHandle.close()
def mainLoop(config, batchSystem): """This is the main loop from which jobs are issued and processed. """ waitDuration = float(config.attrib["wait_duration"]) assert waitDuration >= 0 rescueJobsFrequency = float(config.attrib["rescue_jobs_frequency"]) maxJobDuration = float(config.attrib["max_job_duration"]) assert maxJobDuration >= 0 logger.info("Got parameters, wait duration %s, rescue jobs frequency: %s max job duration: %s" % \ (waitDuration, rescueJobsFrequency, maxJobDuration)) #Kill any jobs on the batch system queue from the last time. assert len(batchSystem.getIssuedJobIDs()) == 0 #Batch system must start with no active jobs! logger.info("Checked batch system has no running jobs and no updated jobs") jobFiles = config.attrib["job_file_dir"].listFiles() logger.info("Got a list of job files") #Repair the job tree using any .old files fixJobsList(config, jobFiles) logger.info("Fixed the job files using any .old files") #Get jobs that were running, or that had failed reset to 'grey' status restartFailedJobs(config, jobFiles) logger.info("Reworked failed jobs") updatedJobFiles = set() #Jobs whose status needs updating, either because they have finished, or because they need to be started. for jobFile in jobFiles: job = readJob(jobFile) if job.attrib["colour"] not in ("blue"): updatedJobFiles.add(jobFile) logger.info("Got the active (non blue) job files") totalJobFiles = len(jobFiles) #Total number of job files we have. jobIDsToJobsHash = {} #A hash of the currently running jobs ids, made by the batch system. idealJobTime = float(config.attrib["job_time"]) assert idealJobTime > 0.0 reportAllJobLogFiles = bool(int(config.attrib["reportAllJobLogFiles"])) stats = config.attrib.has_key("stats") if stats: startTime = time.time() startClock = getTotalCpuTime() #Stuff do handle the maximum number of issued jobs queueingJobs = [] maxJobs = int(config.attrib["max_jobs"]) cpusUsed = 0 logger.info("Starting the main loop") timeSinceJobsLastRescued = time.time() - rescueJobsFrequency + 100 #We hack it so that we rescue jobs after the first 100 seconds to get around an apparent parasol bug while True: if len(updatedJobFiles) > 0: logger.debug("Built the jobs list, currently have %i job files, %i jobs to update and %i jobs currently issued" % (totalJobFiles, len(updatedJobFiles), len(jobIDsToJobsHash))) for jobFile in list(updatedJobFiles): job = readJob(jobFile) assert job.attrib["colour"] is not "blue" ##Check the log files exist, because they must ultimately be cleaned up by their respective file trees. def checkFileExists(fileName, type): if not os.path.isfile(fileName): #We need to keep these files in existence. open(fileName, 'w').close() logger.critical("The file %s of type %s for job %s had disappeared" % (fileName, type, jobFile)) checkFileExists(job.attrib["log_file"], "log_file") checkFileExists(job.attrib["slave_log_file"], "slave_log_file") if stats: checkFileExists(job.attrib["stats"], "stats") def reissueJob(job): #Reset the log files for the job. updatedJobFiles.remove(jobFile) open(job.attrib["slave_log_file"], 'w').close() open(job.attrib["log_file"], 'w').close() assert job.attrib["colour"] == "grey" return issueJobs([ job ], jobIDsToJobsHash, batchSystem, queueingJobs, maxJobs, cpusUsed) def makeGreyAndReissueJob(job): job.attrib["colour"] = "grey" writeJobs([ job ]) return reissueJob(job) if job.attrib["colour"] == "grey": #Get ready to start the job cpusUsed = reissueJob(job) elif job.attrib["colour"] == "black": #Job has finished okay logger.debug("Job: %s has finished okay" % job.attrib["file"]) if reportAllJobLogFiles: reportJobLogFiles(job) #Deal with stats if stats: system("cat %s >> %s" % (job.attrib["stats"], config.attrib["stats"])) open(job.attrib["stats"], 'w').close() #Reset the stats file if job.find("messages") != None: for message in job.find("messages").findall("message"): logger.critical("Received the following message from job: %s" % message.attrib["message"]) job.remove(job.find("messages")) childCount = int(job.attrib["child_count"]) blackChildCount = int(job.attrib["black_child_count"]) assert childCount == blackChildCount #Has no currently running child jobs #Launch any unborn children unbornChildren = job.find("children") unbornChild = unbornChildren.find("child") if unbornChild != None: #We must give birth to the unborn children logger.debug("Job: %s has %i children to schedule" % (job.attrib["file"], len(unbornChildren.findall("child")))) newChildren = [] while unbornChild != None: newJob = createJob(unbornChild.attrib, job.attrib["file"], config) totalJobFiles += 1 newChildren.append(newJob) unbornChildren.remove(unbornChild) unbornChild = unbornChildren.find("child") updatedJobFiles.remove(job.attrib["file"]) job.attrib["child_count"] = str(childCount + len(newChildren)) job.attrib["colour"] = "blue" #Blue - has children running. writeJobs([ job ] + newChildren ) #Check point cpusUsed = issueJobs(newChildren, jobIDsToJobsHash, batchSystem, queueingJobs, maxJobs, cpusUsed) #Issue the new children directly elif len(job.find("followOns").findall("followOn")) != 0: #Has another job logger.debug("Job: %s has a new command that we can now issue" % job.attrib["file"]) ##Reset the job run info job.attrib["remaining_retry_count"] = config.attrib["retry_count"] cpusUsed = makeGreyAndReissueJob(job) else: #Job has finished, so we can defer to any parent logger.debug("Job: %s is now dead" % job.attrib["file"]) job.attrib["colour"] = "dead" if job.attrib.has_key("parent"): parent = readJob(job.attrib["parent"]) assert job.attrib["parent"] != jobFile assert parent.attrib["colour"] == "blue" assert int(parent.attrib["black_child_count"]) < int(parent.attrib["child_count"]) parent.attrib["black_child_count"] = str(int(parent.attrib["black_child_count"]) + 1) if int(parent.attrib["child_count"]) == int(parent.attrib["black_child_count"]): parent.attrib["colour"] = "black" assert parent.attrib["file"] not in updatedJobFiles updatedJobFiles.add(parent.attrib["file"]) writeJobs([ job, parent ]) #Check point updatedJobFiles.remove(job.attrib["file"]) totalJobFiles -= 1 deleteJob(job, config) elif job.attrib["colour"] == "red": #Job failed logger.critical("Job: %s failed" % job.attrib["file"]) reportJobLogFiles(job) #Checks assert len(job.find("children").findall("child")) == 0 assert int(job.attrib["child_count"]) == int(job.attrib["black_child_count"]) remainingRetyCount = int(job.attrib["remaining_retry_count"]) if remainingRetyCount > 0: #Give it another try, maybe there is a bad node somewhere job.attrib["remaining_retry_count"] = str(remainingRetyCount-1) logger.critical("Job: %s will be restarted, it has %s goes left" % (job.attrib["file"], job.attrib["remaining_retry_count"])) cpusUsed = makeGreyAndReissueJob(job) else: assert remainingRetyCount == 0 updatedJobFiles.remove(job.attrib["file"]) #We remove the job and neither delete it or reissue it logger.critical("Job: %s is completely failed" % job.attrib["file"]) else: #This case should only occur after failure logger.debug("Job: %s is already dead, we'll get rid of it" % job.attrib["file"]) assert job.attrib["colour"] == "dead" updatedJobFiles.remove(job.attrib["file"]) totalJobFiles -= 1 deleteJob(job, config) #This command is issued to ensure any queing jobs are issued at the end of the loop cpusUsed = issueJobs([], jobIDsToJobsHash, batchSystem, queueingJobs, maxJobs, cpusUsed) if len(jobIDsToJobsHash) == 0 and len(updatedJobFiles) == 0: logger.info("Only failed jobs and their dependents (%i total) are remaining, so exiting." % totalJobFiles) assert cpusUsed == 0 break if len(updatedJobFiles) > 0: updatedJobs = batchSystem.getUpdatedJobs() #Asks the batch system what jobs have been completed. else: updatedJobs = pauseForUpdatedJobs(batchSystem.getUpdatedJobs) #Asks the batch system what jobs have been completed. for jobID in updatedJobs.keys(): #Runs through a map of updated jobs and there status, result = updatedJobs[jobID] if jobIDsToJobsHash.has_key(jobID): if result == 0: logger.debug("Batch system is reporting that the job %s ended successfully" % jobIDsToJobsHash[jobID][0]) else: logger.critical("Batch system is reporting that the job %s failed with exit value %i" % (jobIDsToJobsHash[jobID][0], result)) cpusUsed = processFinishedJob(jobID, result, updatedJobFiles, jobIDsToJobsHash, cpusUsed) else: logger.info("A result seems to already have been processed: %i" % jobID) #T if time.time() - timeSinceJobsLastRescued >= rescueJobsFrequency: #We only rescue jobs every N seconds cpusUsed = reissueOverLongJobs(updatedJobFiles, jobIDsToJobsHash, config, batchSystem, cpusUsed) logger.info("Reissued any over long jobs") hasNoMissingJobs, cpusUsed = reissueMissingJobs(updatedJobFiles, jobIDsToJobsHash, batchSystem, cpusUsed) if hasNoMissingJobs: timeSinceJobsLastRescued = time.time() else: timeSinceJobsLastRescued += 60 #This means we'll try again in 60 seconds logger.info("Rescued any (long) missing jobs") #Going to sleep to let the job system catch up. time.sleep(waitDuration) ##Check that the total number of cpus assert sum([ cpus for jobID, cpus in jobIDsToJobsHash.values() ]) == cpusUsed assert cpusUsed <= maxJobs if stats: fileHandle = open(config.attrib["stats"], 'a') fileHandle.write("<total_time time='%s' clock='%s'/></stats>" % (str(time.time() - startTime), str(getTotalCpuTime() - startClock))) fileHandle.close() logger.info("Finished the main loop") return totalJobFiles #Returns number of failed jobs
def main(): sys.path.append(sys.argv[1]) sys.argv.remove(sys.argv[1]) #Now we can import all the stuff.. from sonLib.bioio import getBasicOptionParser from sonLib.bioio import parseBasicOptions from sonLib.bioio import logger from sonLib.bioio import addLoggingFileHandler, redirectLoggerStreamHandlers from sonLib.bioio import setLogLevel from sonLib.bioio import getTotalCpuTime, getTotalCpuTimeAndMemoryUsage from sonLib.bioio import getTempDirectory from sonLib.bioio import makeSubDir from jobTree.src.job import Job from jobTree.src.master import getEnvironmentFileName, getConfigFileName, listChildDirs, getTempStatsFile, setupJobAfterFailure from sonLib.bioio import system ########################################## #Input args ########################################## jobTreePath = sys.argv[1] jobFile = sys.argv[2] ########################################## #Load the environment for the job ########################################## #First load the environment for the job. fileHandle = open(getEnvironmentFileName(jobTreePath), 'r') environment = cPickle.load(fileHandle) fileHandle.close() for i in environment: if i not in ("TMPDIR", "TMP", "HOSTNAME", "HOSTTYPE"): os.environ[i] = environment[i] # sys.path is used by __import__ to find modules if "PYTHONPATH" in environment: for e in environment["PYTHONPATH"].split(':'): if e != '': sys.path.append(e) #os.environ = environment #os.putenv(key, value) ########################################## #Setup the temporary directories. ########################################## #Dir to put all the temp files in. localSlaveTempDir = getTempDirectory() localTempDir = makeSubDir(os.path.join(localSlaveTempDir, "localTempDir")) ########################################## #Setup the logging ########################################## #Setup the logging tempSlaveLogFile = os.path.join(localSlaveTempDir, "slave_log.txt") slaveHandle = open(tempSlaveLogFile, 'w') for handler in list(logger.handlers): #Remove old handlers logger.removeHandler(handler) logger.addHandler(logging.StreamHandler(slaveHandle)) origStdErr = sys.stderr origStdOut = sys.stdout sys.stderr = slaveHandle sys.stdout = slaveHandle ########################################## #Parse input files ########################################## config = ET.parse(getConfigFileName(jobTreePath)).getroot() setLogLevel(config.attrib["log_level"]) job = Job.read(jobFile) job.messages = [] #This is the only way to stop messages logging twice, as are read only in the master job.children = [] if os.path.exists(job.getLogFileName()): #This cleans the old log file os.remove(job.getLogFileName()) logger.info("Parsed arguments and set up logging") #Try loop for slave logging ########################################## #Setup the stats, if requested ########################################## if config.attrib.has_key("stats"): startTime = time.time() startClock = getTotalCpuTime() stats = ET.Element("slave") else: stats = None ########################################## #The max time ########################################## maxTime = float(config.attrib["job_time"]) assert maxTime > 0.0 assert maxTime < sys.maxint ########################################## #Slave log file trapped from here on in ########################################## slaveFailed = False try: ########################################## #The next job ########################################## def globalTempDirName(job, depth): return job.getGlobalTempDirName() + str(depth) command, memoryAvailable, cpuAvailable, depth = job.followOnCommands[-1] defaultMemory = int(config.attrib["default_memory"]) defaultCpu = int(config.attrib["default_cpu"]) assert len(job.children) == 0 startTime = time.time() while True: job.followOnCommands.pop() ########################################## #Global temp dir ########################################## globalTempDir = makeSubDir(globalTempDirName(job, depth)) i = 1 while os.path.isdir(globalTempDirName(job, depth+i)): system("rm -rf %s" % globalTempDirName(job, depth+i)) i += 1 ########################################## #Old children, not yet deleted # #These may exist because of the lazy cleanup #we do ########################################## for childDir in listChildDirs(job.jobDir): logger.debug("Cleaning up old child %s" % childDir) system("rm -rf %s" % childDir) ########################################## #Run the job ########################################## if command != "": #Not a stub if command[:11] == "scriptTree ": ########################################## #Run the target ########################################## loadStack(command).execute(job=job, stats=stats, localTempDir=localTempDir, globalTempDir=globalTempDir, memoryAvailable=memoryAvailable, cpuAvailable=cpuAvailable, defaultMemory=defaultMemory, defaultCpu=defaultCpu, depth=depth) else: #Is another command system(command) ########################################## #Cleanup/reset a successful job/checkpoint ########################################## job.remainingRetryCount = int(config.attrib["try_count"]) system("rm -rf %s/*" % (localTempDir)) job.update(depth=depth, tryCount=job.remainingRetryCount) ########################################## #Establish if we can run another job ########################################## if time.time() - startTime > maxTime: logger.info("We are breaking because the maximum time the job should run for has been exceeded") break #Deal with children if len(job.children) >= 1: #We are going to have to return to the parent logger.info("No more jobs can run in series by this slave, its got %i children" % len(job.children)) break if len(job.followOnCommands) == 0: logger.info("No more jobs can run by this slave as we have exhausted the follow ons") break #Get the next job and see if we have enough cpu and memory to run it.. command, memory, cpu, depth = job.followOnCommands[-1] if memory > memoryAvailable: logger.info("We need more memory for the next job, so finishing") break if cpu > cpuAvailable: logger.info("We need more cpus for the next job, so finishing") break logger.info("Starting the next job") ########################################## #Finish up the stats ########################################## if stats != None: totalCpuTime, totalMemoryUsage = getTotalCpuTimeAndMemoryUsage() stats.attrib["time"] = str(time.time() - startTime) stats.attrib["clock"] = str(totalCpuTime - startClock) stats.attrib["memory"] = str(totalMemoryUsage) tempStatsFile = getTempStatsFile(jobTreePath) fileHandle = open(tempStatsFile + ".new", "w") ET.ElementTree(stats).write(fileHandle) fileHandle.close() os.rename(tempStatsFile + ".new", tempStatsFile) #This operation is atomic logger.info("Finished running the chain of jobs on this node, we ran for a total of %f seconds" % (time.time() - startTime)) ########################################## #Where slave goes wrong ########################################## except: #Case that something goes wrong in slave traceback.print_exc(file = slaveHandle) logger.critical("Exiting the slave because of a failed job on host %s", socket.gethostname()) job = Job.read(jobFile) setupJobAfterFailure(job, config) job.write() slaveFailed = True ########################################## #Cleanup ########################################## #Close the slave logging slaveHandle.flush() sys.stderr = origStdErr sys.stdout = origStdOut redirectLoggerStreamHandlers(slaveHandle, sys.stderr) slaveHandle.close() #Copy back the log file to the global dir, if needed if slaveFailed: truncateFile(tempSlaveLogFile) system("mv %s %s" % (tempSlaveLogFile, job.getLogFileName())) #Remove the temp dir system("rm -rf %s" % localSlaveTempDir) #This must happen after the log file is done with, else there is no place to put the log if (not slaveFailed) and len(job.followOnCommands) == 0 and len(job.children) == 0 and len(job.messages) == 0: ########################################## #Cleanup global files at the end of the chain ########################################## job.delete()
def execute(self, job): setLogLevel(job.attrib["log_level"]) logger.info("Setup logging with level: %s" % job.attrib["log_level"]) self.tempDirAccessed = False self.localTempDir = job.attrib["local_temp_dir"] self.globalTempDir = job.attrib["global_temp_dir"] maxTime = float(job.attrib["job_time"]) memory = int(job.attrib["available_memory"]) cpu = int(job.attrib["available_cpu"]) if job.attrib.has_key("stats"): stats = ET.SubElement(job, "stack") startTime = time.time() startClock = getTotalCpuTime() else: stats = None newChildren = [] #List to add all the children to before we package them #off into stacks newChildCommands = [] #Ditto for the child commands newFollowOns = [] #Ditto for the follow-ons baseDir = os.getcwd() while self.hasRemaining(): if stats is not None: #Getting the runtime of the stats module targetStartTime = time.time() targetStartClock = getTotalCpuTime() target = self.popTarget() target.setStack(self) #Debug check that we have the right amount of CPU and memory for the job in hand targetMemory = target.getMemory() if targetMemory != sys.maxint: assert targetMemory <= memory targetCpu = target.getCpu() if targetCpu != sys.maxint: assert targetCpu <= cpu #Run the target, first cleanup then run. target.run() #Change dir back to cwd dir, if changed by target (this is a safety issue) if os.getcwd() != baseDir: os.chdir(baseDir) #Cleanup after the target if self.tempDirAccessed: system("rm -rf %s/*" % self.localTempDir) self.tempDirAccessed = False #Handle the follow on followOn = target.getFollowOn() #if target.__class__ != CleanupGlobalTempDirTarget and followOn == None: # followOn = CleanupGlobalTempDirTarget() if followOn is not None: #Target to get rid of follow on when done. if target.isGlobalTempDirSet(): followOn.setGlobalTempDir(target.getGlobalTempDir()) newFollowOns.append(followOn) #Now add the children to the newChildren stack newChildren += target.getChildren() #Now add the child commands to the newChildCommands stack newChildCommands += target.getChildCommands() if stats is not None: ET.SubElement(stats, "target", { "time":str(time.time() - targetStartTime), "clock":str(getTotalCpuTime() - targetStartClock), "class":".".join((target.__class__.__name__,)), "e_time":str(target.getRunTime())}) for message in target.getMasterLoggingMessages(): if job.find("messages") is None: ET.SubElement(job, "messages") ET.SubElement(job.find("messages"), "message", { "message": message} ) ####### #Now build the new stacks and corresponding jobs ####### #First add all the follow ons to the existing stack and make it a follow on job for job-tree assert not self.hasRemaining() #First sort out the follow on job if len(newFollowOns) > 0: #If we have follow ons followOnRuntime = sum([ followOn.getRunTime() for followOn in newFollowOns ]) if followOnRuntime > maxTime: #We create a parallel list of follow ons followOnStack = Stack(ParallelFollowOnTarget(newFollowOns)) else: followOnStack = Stack(newFollowOns.pop()) while len(newFollowOns) > 0: followOnStack.addTarget(newFollowOns.pop()) job.attrib["command"] = followOnStack.makeRunnable(self.globalTempDir) job.attrib["time"] = str(followOnStack.getRunTime()) followOnMemory = followOnStack.getMemory() assert not job.attrib.has_key("memory") if followOnMemory != sys.maxint: job.attrib["memory"] = str(followOnMemory) assert not job.attrib.has_key("cpu") followOnCpu = followOnStack.getCpu() if followOnCpu != sys.maxint: job.attrib["cpu"] = str(followOnCpu) #Now build stacks of children.. childrenTag = job.find("children") while len(newChildren) > 0: childStack = Stack(newChildren.pop()) while len(newChildren) > 0 and childStack.getRunTime() <= maxTime: childStack.addTarget(newChildren.pop()) childJob = ET.SubElement(childrenTag, "child", { "command":childStack.makeRunnable(self.globalTempDir), "time":str(childStack.getRunTime()) }) childMemory = childStack.getMemory() assert not childJob.attrib.has_key("memory") if childMemory != sys.maxint: childJob.attrib["memory"] = str(childMemory) assert not childJob.attrib.has_key("cpu") childCpu = childStack.getCpu() if childCpu != sys.maxint: childJob.attrib["cpu"] = str(childCpu) #Now build jobs for each child command for childCommand, runTime in newChildCommands: ET.SubElement(childrenTag, "child", { "command":str(childCommand), "time":str(runTime) }) #Finish up the stats if stats is not None: stats.attrib["time"] = str(time.time() - startTime) stats.attrib["clock"] = str(getTotalCpuTime() - startClock)
def main(): sys.path.append(sys.argv[1]) sys.argv.remove(sys.argv[1]) #Now we can import all the stuff.. from sonLib.bioio import getBasicOptionParser from sonLib.bioio import parseBasicOptions from sonLib.bioio import logger from sonLib.bioio import addLoggingFileHandler, redirectLoggerStreamHandlers from sonLib.bioio import setLogLevel from sonLib.bioio import getTotalCpuTime, getTotalCpuTimeAndMemoryUsage from sonLib.bioio import getTempDirectory from sonLib.bioio import makeSubDir from jobTree.src.job import Job from jobTree.src.master import getEnvironmentFileName, getConfigFileName, listChildDirs, getTempStatsFile, setupJobAfterFailure from sonLib.bioio import system ########################################## #Input args ########################################## jobTreePath = sys.argv[1] jobFile = sys.argv[2] ########################################## #Load the environment for the job ########################################## #First load the environment for the job. fileHandle = open(getEnvironmentFileName(jobTreePath), 'r') environment = cPickle.load(fileHandle) fileHandle.close() for i in environment: if i not in ("TMPDIR", "TMP", "HOSTNAME", "HOSTTYPE"): os.environ[i] = environment[i] # sys.path is used by __import__ to find modules if "PYTHONPATH" in environment: for e in environment["PYTHONPATH"].split(':'): if e != '': sys.path.append(e) #os.environ = environment #os.putenv(key, value) ########################################## #Setup the temporary directories. ########################################## #Dir to put all the temp files in. localSlaveTempDir = getTempDirectory() localTempDir = makeSubDir(os.path.join(localSlaveTempDir, "localTempDir")) ########################################## #Setup the logging ########################################## #Setup the logging. This is mildly tricky because we don't just want to #redirect stdout and stderr for this Python process; we want to redirect it #for this process and all children. Consequently, we can't just replace #sys.stdout and sys.stderr; we need to mess with the underlying OS-level #file descriptors. See <http://stackoverflow.com/a/11632982/402891> #When we start, standard input is file descriptor 0, standard output is #file descriptor 1, and standard error is file descriptor 2. #What file do we want to point FDs 1 and 2 to? tempSlaveLogFile = os.path.join(localSlaveTempDir, "slave_log.txt") #Save the original stdout and stderr (by opening new file descriptors to the #same files) origStdOut = os.dup(1) origStdErr = os.dup(2) #Open the file to send stdout/stderr to. logDescriptor = os.open(tempSlaveLogFile, os.O_WRONLY | os.O_CREAT | os.O_APPEND) #Replace standard output with a descriptor for the log file os.dup2(logDescriptor, 1) #Replace standard error with a descriptor for the log file os.dup2(logDescriptor, 2) #Since we only opened the file once, all the descriptors duped from the #original will share offset information, and won't clobber each others' #writes. See <http://stackoverflow.com/a/5284108/402891>. This shouldn't #matter, since O_APPEND seeks to the end of the file before every write, but #maybe there's something odd going on... #Close the descriptor we used to open the file os.close(logDescriptor) for handler in list(logger.handlers): #Remove old handlers logger.removeHandler(handler) #Add the new handler. The sys.stderr stream has been redirected by swapping #the file descriptor out from under it. logger.addHandler(logging.StreamHandler(sys.stderr)) #Put a message at the top of the log, just to make sure it's working. print "---JOBTREE SLAVE OUTPUT LOG---" sys.stdout.flush() #Log the number of open file descriptors so we can tell if we're leaking #them. logger.debug("Next available file descriptor: {}".format( nextOpenDescriptor())) ########################################## #Parse input files ########################################## config = ET.parse(getConfigFileName(jobTreePath)).getroot() setLogLevel(config.attrib["log_level"]) job = Job.read(jobFile) job.messages = [] #This is the only way to stop messages logging twice, as are read only in the master job.children = [] #Similarly, this is where old children are flushed out. job.write() #Update status, to avoid reissuing children after running a follow on below. if os.path.exists(job.getLogFileName()): #This cleans the old log file os.remove(job.getLogFileName()) logger.info("Parsed arguments and set up logging") #Try loop for slave logging ########################################## #Setup the stats, if requested ########################################## if config.attrib.has_key("stats"): startTime = time.time() startClock = getTotalCpuTime() stats = ET.Element("slave") else: stats = None ########################################## #The max time ########################################## maxTime = float(config.attrib["job_time"]) assert maxTime > 0.0 assert maxTime < sys.maxint ########################################## #Slave log file trapped from here on in ########################################## slaveFailed = False try: ########################################## #The next job ########################################## def globalTempDirName(job, depth): return job.getGlobalTempDirName() + str(depth) command, memoryAvailable, cpuAvailable, depth = job.followOnCommands[-1] defaultMemory = int(config.attrib["default_memory"]) defaultCpu = int(config.attrib["default_cpu"]) assert len(job.children) == 0 startTime = time.time() while True: job.followOnCommands.pop() ########################################## #Global temp dir ########################################## globalTempDir = makeSubDir(globalTempDirName(job, depth)) i = 1 while os.path.isdir(globalTempDirName(job, depth+i)): system("rm -rf %s" % globalTempDirName(job, depth+i)) i += 1 ########################################## #Old children, not yet deleted # #These may exist because of the lazy cleanup #we do ########################################## for childDir in listChildDirs(job.jobDir): logger.debug("Cleaning up old child %s" % childDir) system("rm -rf %s" % childDir) ########################################## #Run the job ########################################## if command != "": #Not a stub if command[:11] == "scriptTree ": ########################################## #Run the target ########################################## loadStack(command).execute(job=job, stats=stats, localTempDir=localTempDir, globalTempDir=globalTempDir, memoryAvailable=memoryAvailable, cpuAvailable=cpuAvailable, defaultMemory=defaultMemory, defaultCpu=defaultCpu, depth=depth) else: #Is another command system(command) ########################################## #Cleanup/reset a successful job/checkpoint ########################################## job.remainingRetryCount = int(config.attrib["try_count"]) system("rm -rf %s/*" % (localTempDir)) job.update(depth=depth, tryCount=job.remainingRetryCount) ########################################## #Establish if we can run another job ########################################## if time.time() - startTime > maxTime: logger.info("We are breaking because the maximum time the job should run for has been exceeded") break #Deal with children if len(job.children) >= 1: #We are going to have to return to the parent logger.info("No more jobs can run in series by this slave, its got %i children" % len(job.children)) break if len(job.followOnCommands) == 0: logger.info("No more jobs can run by this slave as we have exhausted the follow ons") break #Get the next job and see if we have enough cpu and memory to run it.. command, memory, cpu, depth = job.followOnCommands[-1] if memory > memoryAvailable: logger.info("We need more memory for the next job, so finishing") break if cpu > cpuAvailable: logger.info("We need more cpus for the next job, so finishing") break logger.info("Starting the next job") ########################################## #Finish up the stats ########################################## if stats != None: totalCpuTime, totalMemoryUsage = getTotalCpuTimeAndMemoryUsage() stats.attrib["time"] = str(time.time() - startTime) stats.attrib["clock"] = str(totalCpuTime - startClock) stats.attrib["memory"] = str(totalMemoryUsage) tempStatsFile = getTempStatsFile(jobTreePath) fileHandle = open(tempStatsFile + ".new", "w") ET.ElementTree(stats).write(fileHandle) fileHandle.close() os.rename(tempStatsFile + ".new", tempStatsFile) #This operation is atomic logger.info("Finished running the chain of jobs on this node, we ran for a total of %f seconds" % (time.time() - startTime)) ########################################## #Where slave goes wrong ########################################## except: #Case that something goes wrong in slave traceback.print_exc() logger.critical("Exiting the slave because of a failed job on host %s", socket.gethostname()) job = Job.read(jobFile) setupJobAfterFailure(job, config) job.write() slaveFailed = True ########################################## #Cleanup ########################################## #Close the slave logging #Flush at the Python level sys.stdout.flush() sys.stderr.flush() #Flush at the OS level os.fsync(1) os.fsync(2) #Close redirected stdout and replace with the original standard output. os.dup2(origStdOut, 1) #Close redirected stderr and replace with the original standard error. os.dup2(origStdOut, 2) #sys.stdout and sys.stderr don't need to be modified at all. We don't need #to call redirectLoggerStreamHandlers since they still log to sys.stderr #Close our extra handles to the original standard output and standard error #streams, so we don't leak file handles. os.close(origStdOut) os.close(origStdErr) #Now our file handles are in exactly the state they were in before. #Copy back the log file to the global dir, if needed if slaveFailed: truncateFile(tempSlaveLogFile) system("mv %s %s" % (tempSlaveLogFile, job.getLogFileName())) #Remove the temp dir system("rm -rf %s" % localSlaveTempDir) #This must happen after the log file is done with, else there is no place to put the log if (not slaveFailed) and len(job.followOnCommands) == 0 and len(job.children) == 0 and len(job.messages) == 0: ########################################## #Cleanup global files at the end of the chain ########################################## job.delete()
def execute(self, job, stats, localTempDir, globalTempDir, memoryAvailable, cpuAvailable, defaultMemory, defaultCpu, depth): self.tempDirAccessed = False self.localTempDir = localTempDir self.globalTempDir = globalTempDir if stats != None: startTime = time.time() startClock = getTotalCpuTime() baseDir = os.getcwd() self.target.setStack(self) #Debug check that we have the right amount of CPU and memory for the job in hand targetMemory = self.target.getMemory() if targetMemory != sys.maxint: assert targetMemory <= memoryAvailable targetCpu = self.target.getCpu() if targetCpu != sys.maxint: assert targetCpu <= cpuAvailable #Run the target, first cleanup then run. self.target.run() #Change dir back to cwd dir, if changed by target (this is a safety issue) if os.getcwd() != baseDir: os.chdir(baseDir) #Cleanup after the target if self.tempDirAccessed: system("rm -rf %s/*" % self.localTempDir) self.tempDirAccessed = False #Handle the follow on followOn = self.target.getFollowOn() if followOn is not None: #Target to get rid of follow on when done. if self.target.isGlobalTempDirSet(): followOn.setGlobalTempDir(self.target.getGlobalTempDir()) followOnStack = Stack(followOn) job.followOnCommands.append( (followOnStack.makeRunnable(self.globalTempDir), followOnStack.getMemory(defaultMemory), followOnStack.getCpu(defaultCpu), depth)) #Now add the children to the newChildren stack newChildren = self.target.getChildren() newChildren.reverse() assert len(job.children) == 0 while len(newChildren) > 0: childStack = Stack(newChildren.pop()) job.children.append((childStack.makeRunnable(self.globalTempDir), childStack.getMemory(defaultMemory), childStack.getCpu(defaultCpu))) #Now build jobs for each child command for childCommand, runTime in self.target.getChildCommands(): job.children.append((childCommand, defaultMemory, defaultCpu)) for message in self.target.getMasterLoggingMessages(): job.messages.append(message) #Finish up the stats if stats != None: stats = ET.SubElement(stats, "target") stats.attrib["time"] = str(time.time() - startTime) totalCpuTime, totalMemoryUsage = getTotalCpuTimeAndMemoryUsage() stats.attrib["clock"] = str(totalCpuTime - startClock) stats.attrib["class"] = ".".join( (self.target.__class__.__name__, )) stats.attrib["memory"] = str(totalMemoryUsage)
def execute(self, job, stats, localTempDir, globalTempDir, memoryAvailable, cpuAvailable, defaultMemory, defaultCpu, depth): self.tempDirAccessed = False self.localTempDir = localTempDir self.globalTempDir = globalTempDir if stats != None: startTime = time.time() startClock = getTotalCpuTime() baseDir = os.getcwd() self.target.setStack(self) #Debug check that we have the right amount of CPU and memory for the job in hand targetMemory = self.target.getMemory() if targetMemory != sys.maxint: assert targetMemory <= memoryAvailable targetCpu = self.target.getCpu() if targetCpu != sys.maxint: assert targetCpu <= cpuAvailable #Run the target, first cleanup then run. self.target.run() #Change dir back to cwd dir, if changed by target (this is a safety issue) if os.getcwd() != baseDir: os.chdir(baseDir) #Cleanup after the target if self.tempDirAccessed: system("rm -rf %s/*" % self.localTempDir) self.tempDirAccessed = False #Handle the follow on followOn = self.target.getFollowOn() if followOn is not None: #Target to get rid of follow on when done. if self.target.isGlobalTempDirSet(): followOn.setGlobalTempDir(self.target.getGlobalTempDir()) followOnStack = Stack(followOn) job.followOnCommands.append((followOnStack.makeRunnable(self.globalTempDir), followOnStack.getMemory(defaultMemory), followOnStack.getCpu(defaultCpu), depth)) #Now add the children to the newChildren stack newChildren = self.target.getChildren() newChildren.reverse() assert len(job.children) == 0 while len(newChildren) > 0: childStack = Stack(newChildren.pop()) job.children.append((childStack.makeRunnable(self.globalTempDir), childStack.getMemory(defaultMemory), childStack.getCpu(defaultCpu))) #Now build jobs for each child command for childCommand, runTime in self.target.getChildCommands(): job.children.append((childCommand, defaultMemory, defaultCpu)) for message in self.target.getMasterLoggingMessages(): job.messages.append(message) #Finish up the stats if stats != None: stats = ET.SubElement(stats, "target") stats.attrib["time"] = str(time.time() - startTime) totalCpuTime, totalMemoryUsage = getTotalCpuTimeAndMemoryUsage() stats.attrib["clock"] = str(totalCpuTime - startClock) stats.attrib["class"] = ".".join((self.target.__class__.__name__,)) stats.attrib["memory"] = str(totalMemoryUsage)