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bitbake: cooker: Allow profiling of the parser in profile mode 

(Bitbake rev: f8a6e4caed4dc3dcf207aecc4ea5f438027da8be)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Purdie 2013-09-15 08:57:02 +00:00
parent eb4854f903
commit 602bb695cf
1 changed files with 22 additions and 2 deletions
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24
bitbake/lib/bb/cooker.py
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@ -1467,7 +1467,7 @@ class Feeder(multiprocessing.Process):
continue
class Parser(multiprocessing.Process):
def __init__(self, jobs, results, quit, init):
def __init__(self, jobs, results, quit, init, profile):
self.jobs = jobs
self.results = results
self.quit = quit
@ -1475,8 +1475,28 @@ class Parser(multiprocessing.Process):
multiprocessing.Process.__init__(self)
self.context = bb.utils.get_context().copy()
self.handlers = bb.event.get_class_handlers().copy()
self.profile = profile
def run(self):
if not self.profile:
self.realrun()
return
try:
import cProfile as profile
except:
import profile
prof = profile.Profile()
try:
profile.Profile.runcall(prof, self.realrun)
finally:
logfile = "profile-parse-%s.log" % multiprocessing.current_process().name
prof.dump_stats(logfile)
bb.utils.process_profilelog(logfile)
print("Raw profiling information saved to %s and processed statistics to %s.processed" % (logfile, logfile))
def realrun(self):
if self.init:
self.init()
@ -1577,7 +1597,7 @@ class CookerParser(object):
self.feeder = Feeder(self.willparse, self.jobs, self.feeder_quit)
self.feeder.start()
for i in range(0, self.num_processes):
parser = Parser(self.jobs, self.result_queue, self.parser_quit, init)
parser = Parser(self.jobs, self.result_queue, self.parser_quit, init, self.cooker.configuration.profile)
parser.start()
self.processes.append(parser)