mirror of https://gitee.com/openkylin/qemu.git
56 lines
1.8 KiB
Python
56 lines
1.8 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# GDB debugging support
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#
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# Copyright 2017 Linaro Ltd
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#
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# Author: Alex Bennée <alex.bennee@linaro.org>
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#
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# This work is licensed under the terms of the GNU GPL, version 2. See
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# the COPYING file in the top-level directory.
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# 'qemu timers' -- display the current timerlists
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import gdb
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class TimersCommand(gdb.Command):
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'''Display the current QEMU timers'''
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def __init__(self):
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'Register the class as a gdb command'
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gdb.Command.__init__(self, 'qemu timers', gdb.COMMAND_DATA,
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gdb.COMPLETE_NONE)
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def dump_timers(self, timer):
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"Follow a timer and recursively dump each one in the list."
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# timer should be of type QemuTimer
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gdb.write(" timer %s/%s (cb:%s,opq:%s)\n" % (
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timer['expire_time'],
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timer['scale'],
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timer['cb'],
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timer['opaque']))
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if int(timer['next']) > 0:
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self.dump_timers(timer['next'])
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def process_timerlist(self, tlist, ttype):
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gdb.write("Processing %s timers\n" % (ttype))
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gdb.write(" clock %s is enabled:%s, last:%s\n" % (
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tlist['clock']['type'],
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tlist['clock']['enabled'],
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tlist['clock']['last']))
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if int(tlist['active_timers']) > 0:
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self.dump_timers(tlist['active_timers'])
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def invoke(self, arg, from_tty):
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'Run the command'
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main_timers = gdb.parse_and_eval("main_loop_tlg")
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# This will break if QEMUClockType in timer.h is redfined
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self.process_timerlist(main_timers['tl'][0], "Realtime")
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self.process_timerlist(main_timers['tl'][1], "Virtual")
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self.process_timerlist(main_timers['tl'][2], "Host")
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self.process_timerlist(main_timers['tl'][3], "Virtual RT")
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