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https://git.yoctoproject.org/poky
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a96403c625
We have bb.debug(2, xxx) messages in cooker which are useful for debugging but have really bad effects on performance, 640,000 calls on recent profile graphs taking tens of seconds. Rather than commenting out debug which can be useful for debugging, don't create events for debug log messages from cooker which would never be seen. We already stop the messages hitting the IPC but this avoids the overhead of creating the log messages too, which has been shown to be signficiant on the profiles. This allows the code to perform whilst allowing debug messages to be availble when wanted/enabled. (Bitbake rev: f04cd931091fb0508badf3e002d70a6952700495) Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
154 lines
4.6 KiB
Python
154 lines
4.6 KiB
Python
#
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# BitBake Build System Python Library
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#
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# Copyright (C) 2003 Holger Schurig
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# Copyright (C) 2003, 2004 Chris Larson
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#
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# Based on Gentoo's portage.py.
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#
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# SPDX-License-Identifier: GPL-2.0-only
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#
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__version__ = "1.44.0"
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import sys
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if sys.version_info < (3, 5, 0):
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raise RuntimeError("Sorry, python 3.5.0 or later is required for this version of bitbake")
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class BBHandledException(Exception):
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"""
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The big dilemma for generic bitbake code is what information to give the user
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when an exception occurs. Any exception inheriting this base exception class
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has already provided information to the user via some 'fired' message type such as
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an explicitly fired event using bb.fire, or a bb.error message. If bitbake
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encounters an exception derived from this class, no backtrace or other information
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will be given to the user, its assumed the earlier event provided the relevant information.
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"""
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pass
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import os
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import logging
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class NullHandler(logging.Handler):
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def emit(self, record):
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pass
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Logger = logging.getLoggerClass()
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class BBLogger(Logger):
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def __init__(self, name):
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if name.split(".")[0] == "BitBake":
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self.debug = self.bbdebug
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Logger.__init__(self, name)
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def bbdebug(self, level, msg, *args, **kwargs):
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if not bb.event.worker_pid:
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if self.name in bb.msg.loggerDefaultDomains and level > (bb.msg.loggerDefaultDomains[self.name]):
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return
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if level > (bb.msg.loggerDefaultDebugLevel):
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return
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return self.log(logging.DEBUG - level + 1, msg, *args, **kwargs)
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def plain(self, msg, *args, **kwargs):
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return self.log(logging.INFO + 1, msg, *args, **kwargs)
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def verbose(self, msg, *args, **kwargs):
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return self.log(logging.INFO - 1, msg, *args, **kwargs)
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def verbnote(self, msg, *args, **kwargs):
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return self.log(logging.INFO + 2, msg, *args, **kwargs)
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logging.raiseExceptions = False
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logging.setLoggerClass(BBLogger)
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logger = logging.getLogger("BitBake")
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logger.addHandler(NullHandler())
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logger.setLevel(logging.DEBUG - 2)
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mainlogger = logging.getLogger("BitBake.Main")
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# This has to be imported after the setLoggerClass, as the import of bb.msg
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# can result in construction of the various loggers.
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import bb.msg
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from bb import fetch2 as fetch
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sys.modules['bb.fetch'] = sys.modules['bb.fetch2']
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# Messaging convenience functions
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def plain(*args):
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mainlogger.plain(''.join(args))
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def debug(lvl, *args):
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if isinstance(lvl, str):
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mainlogger.warning("Passed invalid debug level '%s' to bb.debug", lvl)
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args = (lvl,) + args
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lvl = 1
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mainlogger.debug(lvl, ''.join(args))
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def note(*args):
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mainlogger.info(''.join(args))
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#
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# A higher prioity note which will show on the console but isn't a warning
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#
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# Something is happening the user should be aware of but they probably did
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# something to make it happen
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#
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def verbnote(*args):
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mainlogger.verbnote(''.join(args))
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#
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# Warnings - things the user likely needs to pay attention to and fix
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#
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def warn(*args):
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mainlogger.warning(''.join(args))
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def error(*args, **kwargs):
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mainlogger.error(''.join(args), extra=kwargs)
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def fatal(*args, **kwargs):
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mainlogger.critical(''.join(args), extra=kwargs)
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raise BBHandledException()
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def deprecated(func, name=None, advice=""):
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"""This is a decorator which can be used to mark functions
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as deprecated. It will result in a warning being emitted
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when the function is used."""
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import warnings
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if advice:
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advice = ": %s" % advice
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if name is None:
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name = func.__name__
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def newFunc(*args, **kwargs):
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warnings.warn("Call to deprecated function %s%s." % (name,
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advice),
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category=DeprecationWarning,
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stacklevel=2)
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return func(*args, **kwargs)
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newFunc.__name__ = func.__name__
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newFunc.__doc__ = func.__doc__
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newFunc.__dict__.update(func.__dict__)
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return newFunc
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# For compatibility
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def deprecate_import(current, modulename, fromlist, renames = None):
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"""Import objects from one module into another, wrapping them with a DeprecationWarning"""
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import sys
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module = __import__(modulename, fromlist = fromlist)
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for position, objname in enumerate(fromlist):
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obj = getattr(module, objname)
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newobj = deprecated(obj, "{0}.{1}".format(current, objname),
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"Please use {0}.{1} instead".format(modulename, objname))
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if renames:
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newname = renames[position]
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else:
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newname = objname
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setattr(sys.modules[current], newname, newobj)
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