import signal
import stat
import fcntl
+import copy
class RunQueueStats:
"""
# These values indicate the next step due to be run in the
# runQueue state machine
runQueuePrepare = 2
-runQueueRunInit = 3
-runQueueRunning = 4
-runQueueFailed = 6
-runQueueCleanUp = 7
-runQueueComplete = 8
-runQueueChildProcess = 9
+runQueueSceneInit = 3
+runQueueSceneRun = 4
+runQueueRunInit = 5
+runQueueRunning = 6
+runQueueFailed = 7
+runQueueCleanUp = 8
+runQueueComplete = 9
+runQueueChildProcess = 10
class RunQueueScheduler(object):
"""
#self.dump_data(taskData)
+ # Interate over the task list looking for tasks with a 'setscene' function
+
+ self.runq_setscene = []
+ for task in range(len(self.runq_fnid)):
+ setscene = taskData.gettask_id(self.taskData.fn_index[self.runq_fnid[task]], self.runq_task[task] + "_setscene", False)
+ if not setscene:
+ continue
+ bb.note("Found setscene for %s %s" % (self.taskData.fn_index[self.runq_fnid[task]], self.runq_task[task]))
+ self.runq_setscene.append(task)
+
def dump_data(self, taskQueue):
"""
Dump some debug information on the internal data structures
return current
def check_stamp_task(self, task, taskname = None):
+ def get_timestamp(f):
+ try:
+ if not os.access(f, os.F_OK):
+ return None
+ return os.stat(f)[stat.ST_MTIME]
+ except:
+ return None
if self.stamppolicy == "perfile":
fulldeptree = False
bb.msg.debug(2, bb.msg.domain.RunQueue, "%s.%s is nostamp\n" % (fn, taskname))
return False
+ if taskname.endswith("_setscene"):
+ return True
+
iscurrent = True
- t1 = os.stat(stampfile)[stat.ST_MTIME]
+ t1 = get_timestamp(stampfile)
for dep in self.rqdata.runq_depends[task]:
if iscurrent:
fn2 = self.rqdata.taskData.fn_index[self.rqdata.runq_fnid[dep]]
taskname2 = self.rqdata.runq_task[dep]
stampfile2 = "%s.%s" % (self.rqdata.dataCache.stamp[fn2], taskname2)
+ t2 = get_timestamp(stampfile2)
+ t3 = get_timestamp(stampfile2 + "_setscene")
+ if t3 and t3 > t2:
+ continue
if fn == fn2 or (fulldeptree and fn2 not in stampwhitelist):
- try:
- t2 = os.stat(stampfile2)[stat.ST_MTIME]
- if t1 < t2:
- bb.msg.debug(2, bb.msg.domain.RunQueue, "Stampfile %s < %s" % (stampfile, stampfile2))
- iscurrent = False
- except:
- bb.msg.debug(2, bb.msg.domain.RunQueue, "Exception reading %s for %s" % (stampfile2, stampfile))
+ if not t2 or t1 < t2:
+ bb.msg.debug(2, bb.msg.domain.RunQueue, "Stampfile %s < %s (or does not exist)" % (stampfile, stampfile2))
iscurrent = False
-
return iscurrent
def execute_runqueue(self):
if self.state is runQueuePrepare:
self.rqdata.prepare()
- self.state = runQueueRunInit
+ self.state = runQueueSceneInit
+
+ if self.state is runQueueSceneInit:
+ self.rqexe = RunQueueExecuteScenequeue(self)
+
+ if self.state is runQueueSceneRun:
+ self.rqexe.execute()
if self.state is runQueueRunInit:
bb.msg.note(1, bb.msg.domain.RunQueue, "Executing runqueue")
for pipe in self.build_pipes:
self.build_pipes[pipe].read()
- try:
- while self.stats.active > 0:
- bb.event.fire(runQueueExitWait(self.stats.active), self.cfgData)
- if self.runqueue_process_waitpid() is None:
- return
- except:
- self.finish_now()
- raise
+ if self.stats.active > 0:
+ bb.event.fire(runQueueExitWait(self.stats.active), self.cfgData)
+ self.runqueue_process_waitpid()
+ return
if len(self.failed_fnids) != 0:
self.rq.state = runQueueFailed
self.runq_buildable.append(1)
else:
self.runq_buildable.append(0)
+ if len(self.rqdata.runq_revdeps[task]) > 0 and self.rqdata.runq_revdeps[task].issubset(self.rq.scenequeue_covered):
+ self.rq.scenequeue_covered.add(task)
+
+ found = True
+ while found:
+ found = False
+ for task in range(self.stats.total):
+ if task in self.rq.scenequeue_covered:
+ continue
+ if len(self.rqdata.runq_revdeps[task]) > 0 and self.rqdata.runq_revdeps[task].issubset(self.rq.scenequeue_covered):
+ self.rq.scenequeue_covered.add(task)
+ found = True
+
+ bb.note("Full skip list %s" % self.rq.scenequeue_covered)
+
+ for task in self.rq.scenequeue_covered:
+ self.task_skip(task)
event.fire(bb.event.StampUpdate(self.rqdata.target_pairs, self.rqdata.dataCache.stamp), self.cfgData)
self.rq.state = runQueueComplete
return
+class RunQueueExecuteScenequeue(RunQueueExecute):
+ def __init__(self, rq):
+ RunQueueExecute.__init__(self, rq)
+
+ self.scenequeue_covered = set()
+ self.scenequeue_notcovered = set()
+
+ # If we don't have any setscene functions, skip this step
+ if len(self.rqdata.runq_setscene) == 0:
+ rq.scenequeue_covered = set()
+ rq.state = runQueueRunInit
+ return
+
+ self.stats = RunQueueStats(len(self.rqdata.runq_setscene))
+
+ endpoints = {}
+ sq_revdeps = []
+ sq_revdeps_new = []
+ sq_revdeps_squash = []
+
+ # We need to construct a dependency graph for the setscene functions. Intermediate
+ # dependencies between the setscene tasks only complicate the code. This code
+ # therefore aims to collapse the huge runqueue dependency tree into a smaller one
+ # only containing the setscene functions.
+
+ for task in range(self.stats.total):
+ self.runq_running.append(0)
+ self.runq_complete.append(0)
+ self.runq_buildable.append(0)
+
+ for task in range(len(self.rqdata.runq_fnid)):
+ sq_revdeps.append(copy.copy(self.rqdata.runq_revdeps[task]))
+ sq_revdeps_new.append(set())
+ if (len(self.rqdata.runq_revdeps[task]) == 0) and task not in self.rqdata.runq_setscene:
+ endpoints[task] = None
+
+ for task in self.rqdata.runq_setscene:
+ for dep in self.rqdata.runq_depends[task]:
+ endpoints[dep] = task
+
+ def process_endpoints(endpoints):
+ newendpoints = {}
+ for point, task in endpoints.items():
+ tasks = set()
+ if task:
+ tasks.add(task)
+ if sq_revdeps_new[point]:
+ tasks |= sq_revdeps_new[point]
+ sq_revdeps_new[point] = set()
+ for dep in self.rqdata.runq_depends[point]:
+ if point in sq_revdeps[dep]:
+ sq_revdeps[dep].remove(point)
+ if tasks:
+ sq_revdeps_new[dep] |= tasks
+ if (len(sq_revdeps[dep]) == 0 or len(sq_revdeps_new[dep]) != 0) and dep not in self.rqdata.runq_setscene:
+ newendpoints[dep] = task
+ if len(newendpoints) != 0:
+ process_endpoints(newendpoints)
+
+ process_endpoints(endpoints)
+
+ for task in range(len(self.rqdata.runq_fnid)):
+ if task in self.rqdata.runq_setscene:
+ deps = set()
+ for dep in sq_revdeps_new[task]:
+ deps.add(self.rqdata.runq_setscene.index(dep))
+ sq_revdeps_squash.append(deps)
+ elif len(sq_revdeps_new[task]) != 0:
+ bb.msg.fatal(bb.msg.domain.RunQueue, "Something went badly wrong during scenequeue generation, aborting. Please report this problem.")
+
+ #for task in range(len(sq_revdeps_squash)):
+ # print "Task %s: %s.%s is %s " % (task, self.taskData.fn_index[self.runq_fnid[self.runq_setscene[task]]], self.runq_task[self.runq_setscene[task]] + "_setscene", sq_revdeps_squash[task])
+
+ self.sq_deps = []
+ self.sq_revdeps = sq_revdeps_squash
+ self.sq_revdeps2 = copy.deepcopy(self.sq_revdeps)
+
+ for task in range(len(self.sq_revdeps)):
+ self.sq_deps.append(set())
+ for task in range(len(self.sq_revdeps)):
+ for dep in self.sq_revdeps[task]:
+ self.sq_deps[dep].add(task)
+
+ for task in range(len(self.sq_revdeps)):
+ if len(self.sq_revdeps[task]) == 0:
+ self.runq_buildable[task] = 1
+
+ bb.msg.note(1, bb.msg.domain.RunQueue, "Executing setscene Tasks")
+
+ self.rq.state = runQueueSceneRun
+
+ def scenequeue_updatecounters(self, task):
+ for dep in self.sq_deps[task]:
+ self.sq_revdeps2[dep].remove(task)
+ if len(self.sq_revdeps2[dep]) == 0:
+ self.runq_buildable[dep] = 1
+
+ def task_complete(self, task):
+ """
+ Mark a task as completed
+ Look at the reverse dependencies and mark any task with
+ completed dependencies as buildable
+ """
+
+ index = self.rqdata.runq_setscene[task]
+ bb.msg.note(1, bb.msg.domain.RunQueue, "Found task %s could be accelerated" % self.rqdata.get_user_idstring(index))
+
+ self.scenequeue_covered.add(task)
+ self.scenequeue_updatecounters(task)
+
+ def task_fail(self, task, result):
+ self.stats.taskFailed()
+ index = self.rqdata.runq_setscene[task]
+ bb.event.fire(runQueueTaskFailed(task, self.stats, self), self.cfgData)
+ self.scenequeue_notcovered.add(task)
+ self.scenequeue_updatecounters(task)
+
+ def task_failoutright(self, task):
+ self.runq_running[task] = 1
+ self.runq_buildable[task] = 1
+ self.stats.taskCompleted()
+ self.stats.taskSkipped()
+ index = self.rqdata.runq_setscene[task]
+ self.scenequeue_notcovered.add(task)
+ self.scenequeue_updatecounters(task)
+
+ def task_skip(self, task):
+ self.runq_running[task] = 1
+ self.runq_buildable[task] = 1
+ self.task_complete(task)
+ self.stats.taskCompleted()
+ self.stats.taskSkipped()
+
+ def execute(self):
+ """
+ Run the tasks in a queue prepared by prepare_runqueue
+ """
+
+ task = None
+ if self.stats.active < self.number_tasks:
+ # Find the next setscene to run
+ for nexttask in range(self.stats.total):
+ if self.runq_buildable[nexttask] == 1 and self.runq_running[nexttask] != 1:
+ #bb.note("Comparing %s to %s" % (self.sq_revdeps[nexttask], self.scenequeue_covered))
+ #if len(self.sq_revdeps[nexttask]) > 0 and self.sq_revdeps[nexttask].issubset(self.scenequeue_covered):
+ # bb.note("Skipping task %s" % nexttask)
+ # self.scenequeue_skip(nexttask)
+ # return True
+ task = nexttask
+ break
+ if task is not None:
+ realtask = self.rqdata.runq_setscene[task]
+ fn = self.rqdata.taskData.fn_index[self.rqdata.runq_fnid[realtask]]
+
+ taskname = self.rqdata.runq_task[realtask] + "_setscene"
+ if self.rq.check_stamp_task(realtask, self.rqdata.runq_task[realtask]):
+ bb.msg.debug(2, bb.msg.domain.RunQueue, "Stamp for underlying task %s (%s) is current so skipping setscene varient" % (task, self.rqdata.get_user_idstring(task)))
+ self.task_failoutright(task)
+ return True
+
+ if self.cooker.configuration.force:
+ for target in self.target_pairs:
+ if target[0] == fn and target[1] == self.rqdata.runq_task[realtask]:
+ self.task_failoutright(task)
+ return True
+
+ if self.rq.check_stamp_task(realtask, taskname):
+ bb.msg.debug(2, bb.msg.domain.RunQueue, "Setscene stamp current task %s (%s) so skip it and its dependencies" % (task, self.rqdata.get_user_idstring(realtask)))
+ self.task_skip(task)
+ return True
+
+ pid, pipein, pipeout = self.fork_off_task(fn, realtask, taskname)
+
+ self.build_pids[pid] = task
+ self.build_pipes[pid] = runQueuePipe(pipein, pipeout, self.cfgData)
+ self.runq_running[task] = 1
+ self.stats.taskActive()
+ if self.stats.active < self.number_tasks:
+ return True
+
+ for pipe in self.build_pipes:
+ self.build_pipes[pipe].read()
+
+ if self.stats.active > 0:
+ if self.runqueue_process_waitpid() is None:
+ return True
+ return True
+
+ # Convert scenequeue_covered task numbers into full taskgraph ids
+ oldcovered = self.scenequeue_covered
+ self.rq.scenequeue_covered = set()
+ for task in oldcovered:
+ self.rq.scenequeue_covered.add(self.rqdata.runq_setscene[task])
+
+ bb.note("We can skip tasks %s" % self.rq.scenequeue_covered)
+
+ self.rq.state = runQueueRunInit
+ return True
class TaskFailure(Exception):
