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bitbake: bb/ui: store_dependency_information optimization 

This optimization is in support of the bug #5485. The function called
at the beginning of every build: store_dependency_information was taking
approximately 20sec and it was delaying the arrival of events from the
event queue. The change minimizes the calls to _save_a_task(),
reducing the time to half.

(Bitbake rev: b86fd2be40303d886fdb9ad3009355584d285acc)

Signed-off-by: Marius Avram <marius.avram@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Marius Avram 2014-02-18 16:39:24 +02:00 committed by Richard Purdie
parent 06f9059abc
commit 1660519e5c
1 changed files with 14 additions and 4 deletions
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18
bitbake/lib/bb/ui/buildinfohelper.py
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@ -612,11 +612,21 @@ class BuildInfoHelper(object):
task_info['task_name'] = taskname
task_obj = self.orm_wrapper.get_update_task_object(task_info)
return task_obj
# create tasks
tasks = {}
for taskdesc in event._depgraph['tdepends']:
target = _save_a_task(taskdesc)
for taskdesc1 in event._depgraph['tdepends'][taskdesc]:
dep = _save_a_task(taskdesc1)
tasks[taskdesc] = _save_a_task(taskdesc)
# create dependencies between tasks
for taskdesc in event._depgraph['tdepends']:
target = tasks[taskdesc]
for taskdep in event._depgraph['tdepends'][taskdesc]:
if taskdep not in tasks:
# Fetch tasks info is not collected previously
dep = _save_a_task(taskdep)
else:
dep = tasks[taskdep]
Task_Dependency.objects.get_or_create( task = target, depends_on = dep )
def store_build_package_information(self, event):