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bitbake: runqueue: Optimise taskname lookups in next_buildable_task

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A quick profile of bitbake world showed 147 million calls to taskname_from_tid().
The next_buildable_task function is performance senstive so move the call
inside the if block to reduce the number of calls and speed the code up.

(Bitbake rev: 8b332c16a7b6b85c5cbe1919dd8cae45fda6adf9)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Purdie
2024-02-10 22:34:32 +00:00
parent a7bbb105d3
commit 71f55957f0
1 changed files with 3 additions and 3 deletions
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6
bitbake/lib/bb/runqueue.py
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@@ -270,11 +270,11 @@ class RunQueueScheduler(object):
best = None
bestprio = None
for tid in buildable:
taskname = taskname_from_tid(tid)
if taskname in skip_buildable and skip_buildable[taskname] >= int(self.skip_maxthread[taskname]):
continue
prio = self.rev_prio_map[tid]
if bestprio is None or bestprio > prio:
taskname = taskname_from_tid(tid)
if taskname in skip_buildable and skip_buildable[taskname] >= int(self.skip_maxthread[taskname]):
continue
stamp = self.stamps[tid]
if stamp in self.rq.build_stamps.values():
continue