bitbake: utils.py: Add function for processing profile output
(Bitbake rev: 0df64810e8d40e7761cfd5059c0617dda31a6641) Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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@ -1416,25 +1416,7 @@ def server_main(cooker, func, *args):
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ret = profile.Profile.runcall(prof, func, *args)
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prof.dump_stats("profile.log")
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# Redirect stdout to capture profile information
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pout = open('profile.log.processed', 'w')
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so = sys.stdout.fileno()
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orig_so = os.dup(sys.stdout.fileno())
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os.dup2(pout.fileno(), so)
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import pstats
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p = pstats.Stats('profile.log')
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p.sort_stats('time')
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p.print_stats()
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p.print_callers()
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p.sort_stats('cumulative')
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p.print_stats()
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os.dup2(orig_so, so)
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pout.flush()
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pout.close()
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bb.utils.process_profilelog("profile.log")
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print("Raw profiling information saved to profile.log and processed statistics to profile.log.processed")
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else:
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@ -820,3 +820,23 @@ def cpu_count():
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def nonblockingfd(fd):
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fcntl.fcntl(fd, fcntl.F_SETFL, fcntl.fcntl(fd, fcntl.F_GETFL) | os.O_NONBLOCK)
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def process_profilelog(fn):
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# Redirect stdout to capture profile information
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pout = open(fn + '.processed', 'w')
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so = sys.stdout.fileno()
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orig_so = os.dup(sys.stdout.fileno())
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os.dup2(pout.fileno(), so)
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import pstats
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p = pstats.Stats(fn)
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p.sort_stats('time')
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p.print_stats()
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p.print_callers()
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p.sort_stats('cumulative')
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p.print_stats()
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os.dup2(orig_so, so)
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pout.flush()
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pout.close()
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