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bitbake: runqueue: Fix sstate task iteration performance

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Creating a new sorted list of sstate tasks each iteration through runqueue is
extremely ineffecient and was compounded by the recent change from a list to set.

Create one sorted list instead of recreating it each time.

(Bitbake rev: de18824996841c3f35f54ff5ad12f94f6dc20d88)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Purdie
2019-12-14 18:17:01 +00:00
parent 884463c8d1
commit e4dc65ad46
1 changed files with 5 additions and 1 deletions
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6
bitbake/lib/bb/runqueue.py
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@@ -1965,10 +1965,14 @@ class RunQueueExecute:
self.rq.read_workers()
self.process_possible_migrations()
if not hasattr(self, "sorted_setscene_tids"):
# Don't want to sort this set every execution
self.sorted_setscene_tids = sorted(self.rqdata.runq_setscene_tids)
task = None
if not self.sqdone and self.can_start_task():
# Find the next setscene to run
for nexttask in sorted(self.rqdata.runq_setscene_tids):
for nexttask in self.sorted_setscene_tids:
if nexttask in self.sq_buildable and nexttask not in self.sq_running and self.sqdata.stamps[nexttask] not in self.build_stamps.values():
if nexttask not in self.sqdata.unskippable and len(self.sqdata.sq_revdeps[nexttask]) > 0 and self.sqdata.sq_revdeps[nexttask].issubset(self.scenequeue_covered) and self.check_dependencies(nexttask, self.sqdata.sq_revdeps[nexttask]):
if nexttask not in self.rqdata.target_tids: