forked from mirror/qemu
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
# -*- coding: utf-8 -*-
|
|
# GDB debugging support
|
|
#
|
|
# Copyright 2017 Linaro Ltd
|
|
#
|
|
# Author: Alex Bennée <alex.bennee@linaro.org>
|
|
#
|
|
# This work is licensed under the terms of the GNU GPL, version 2 or later.
|
|
# See the COPYING file in the top-level directory.
|
|
#
|
|
# SPDX-License-Identifier: GPL-2.0-or-later
|
|
|
|
# 'qemu timers' -- display the current timerlists
|
|
|
|
import gdb
|
|
|
|
class TimersCommand(gdb.Command):
|
|
'''Display the current QEMU timers'''
|
|
|
|
def __init__(self):
|
|
'Register the class as a gdb command'
|
|
gdb.Command.__init__(self, 'qemu timers', gdb.COMMAND_DATA,
|
|
gdb.COMPLETE_NONE)
|
|
|
|
def dump_timers(self, timer):
|
|
"Follow a timer and recursively dump each one in the list."
|
|
# timer should be of type QemuTimer
|
|
gdb.write(" timer %s/%s (cb:%s,opq:%s)\n" % (
|
|
timer['expire_time'],
|
|
timer['scale'],
|
|
timer['cb'],
|
|
timer['opaque']))
|
|
|
|
if int(timer['next']) > 0:
|
|
self.dump_timers(timer['next'])
|
|
|
|
|
|
def process_timerlist(self, tlist, ttype):
|
|
gdb.write("Processing %s timers\n" % (ttype))
|
|
gdb.write(" clock %s is enabled:%s, last:%s\n" % (
|
|
tlist['clock']['type'],
|
|
tlist['clock']['enabled'],
|
|
tlist['clock']['last']))
|
|
if int(tlist['active_timers']) > 0:
|
|
self.dump_timers(tlist['active_timers'])
|
|
|
|
|
|
def invoke(self, arg, from_tty):
|
|
'Run the command'
|
|
main_timers = gdb.parse_and_eval("main_loop_tlg")
|
|
|
|
# This will break if QEMUClockType in timer.h is redfined
|
|
self.process_timerlist(main_timers['tl'][0], "Realtime")
|
|
self.process_timerlist(main_timers['tl'][1], "Virtual")
|
|
self.process_timerlist(main_timers['tl'][2], "Host")
|
|
self.process_timerlist(main_timers['tl'][3], "Virtual RT")
|