diff options
Diffstat (limited to 'bitbake/lib/bb/runqueue.py')
| -rw-r--r-- | bitbake/lib/bb/runqueue.py | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/bitbake/lib/bb/runqueue.py b/bitbake/lib/bb/runqueue.py index 2830bc4ad9..f8440dbccc 100644 --- a/bitbake/lib/bb/runqueue.py +++ b/bitbake/lib/bb/runqueue.py @@ -70,10 +70,12 @@ runQueueCleanUp = 7 runQueueComplete = 8 runQueueChildProcess = 9 -class RunQueueScheduler: +class RunQueueScheduler(object): """ Control the order tasks are scheduled in. """ + name = "basic" + def __init__(self, runqueue): """ The default scheduler just returns the first buildable task (the @@ -101,6 +103,8 @@ class RunQueueSchedulerSpeed(RunQueueScheduler): A scheduler optimised for speed. The priority map is sorted by task weight, heavier weighted tasks (tasks needed by the most other tasks) are run first. """ + name = "speed" + def __init__(self, runqueue): """ The priority map is sorted by task weight. @@ -128,6 +132,8 @@ class RunQueueSchedulerCompletion(RunQueueSchedulerSpeed): well where disk space is at a premium and classes like OE's rm_work are in force. """ + name = "completion" + def __init__(self, runqueue): RunQueueSchedulerSpeed.__init__(self, runqueue) from copy import deepcopy @@ -638,11 +644,15 @@ class RunQueue: # Check of higher length circular dependencies self.runq_weight = self.calculate_task_weights(endpoints) - # Decide what order to execute the tasks in, pick a scheduler - #self.sched = RunQueueScheduler(self) - if self.scheduler == "completion": - self.sched = RunQueueSchedulerCompletion(self) + schedulers = [obj for obj in globals().itervalues() + if type(obj) is type and issubclass(obj, RunQueueScheduler)] + for scheduler in schedulers: + if self.scheduler == scheduler.name: + self.sched = scheduler(self) + break else: + bb.error("Invalid scheduler '%s', using default 'speed' scheduler" % self.scheduler) + bb.error("Available schedulers: %s" % ", ".join(obj.name for obj in schedulers)) self.sched = RunQueueSchedulerSpeed(self) # Sanity Check - Check for multiple tasks building the same provider |