7a1c1699a6
There is really no reason to wait a millisecond for an idle. Change-Id: I7665d5f2e7d6ba3e01290a692bbc8e42c36b9986
104 lines
3.3 KiB
Python
104 lines
3.3 KiB
Python
# -*- tab-width: 4; indent-tabs-mode: nil; py-indent-offset: 4 -*-
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#
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# This file is part of the LibreOffice project.
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#
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import six
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import gdb
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from libreoffice.util import printing
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class ImplSchedulerDataPrinter(object):
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'''Prints the ImplSchedulerData linked list.
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This can be used to dump the current state of the scheduler via:
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p *ImplGetSVData()->mpFirstSchedulerData
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This doesn't include currently invoked tasks AKA the stack.
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To dump the scheduler stack of invoked tasks use:
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p *ImplGetSVData()->mpSchedulerStack
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'''
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def __init__(self, typename, value):
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self.typename = typename
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self.value = value
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self.timer_type_ptr = gdb.lookup_type("Timer").pointer()
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self.idle_type_ptr = gdb.lookup_type("Idle").pointer()
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def as_string(self, gdbobj):
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if gdbobj['mpTask']:
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task = gdbobj['mpTask'].dereference()
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timer = gdbobj['mpTask'].dynamic_cast( self.timer_type_ptr )
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idle = gdbobj['mpTask'].dynamic_cast( self.idle_type_ptr )
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if idle:
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task_type = "Idle"
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elif timer:
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task_type = "Timer"
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else:
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task_type = "Task"
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res = "{:7s}{:10s} active: {:6s}".format( task_type, str(task['mePriority']), str(task['mbActive']) )
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name = task['mpDebugName']
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if not name:
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res = res + " (task debug name not set)"
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else:
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res = "{} '{}' ({})".format(res, str(name.string()), str(task.dynamic_type))
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val_type = gdb.lookup_type(str( task.dynamic_type )).pointer()
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timer = gdbobj['mpTask'].cast( val_type )
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if (task_type == "Timer"):
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res = "{}: {}ms".format(res, timer['mnTimeout'])
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else:
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assert 0 == timer['mnTimeout'], "Idle with timeout == {}".format( timer['mnTimeout'] )
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return res
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else:
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assert gdbobj['mbDelete'], "No task set and not marked for deletion!"
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return "(no task)"
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def to_string(self):
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return self.typename
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def children(self):
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return self._iterator(self)
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def display_hint(self):
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return 'array'
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class _iterator(six.Iterator):
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def __init__(self, printer):
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self.pos = 0
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self.printer = printer
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self.value = printer.value
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def __iter__(self):
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return self
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def __next__(self):
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if not self.value['mpNext']:
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raise StopIteration()
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pos = str(self.pos)
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name = "\n " + self.printer.as_string(self.value)
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self.value = self.value['mpNext']
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self.pos += 1
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return (pos, name)
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printer = None
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def build_pretty_printers():
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global printer
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printer = printing.Printer("libreoffice/vcl")
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printer.add('ImplSchedulerData', ImplSchedulerDataPrinter)
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def register_pretty_printers(obj):
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printing.register_pretty_printer(printer, obj)
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build_pretty_printers()
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# vim:set shiftwidth=4 softtabstop=4 expandtab:
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