pyidevice instruments stackshot about py-ios-device

[haryshi]

ios 13.4.1是上面的日志，刚刚又试了一台ios 14.6的设备，报下面的错误:

2021-07-13 18:03:19 [INFO] [LockDown] lockdown.py[line:68] Connecting Device 00008020-001E19642190003A
2021-07-13 18:03:19 [INFO] [Instrument] Instrument.py[line:22] InstrumentServer init ...
2021-07-13 18:03:19 [INFO] [Instrument] dvt.py[line:148] set com.apple.instruments.server.services.coreprofilesessiontap callback ...
2021-07-13 18:03:20 [ERROR] [Instrument] dvt.py[line:233] 'utf-8' codec can't decode byte 0xe4 in position 0: unexpected end of data
Traceback (most recent call last):
File "/usr/local/lib/python3.8/site-packages/ios_device/servers/dvt.py", line 220, in _receiver
self._channel_callbacks((1 << 32) - dtx.channel_code)
File "/usr/local/lib/python3.8/site-packages/ios_device/cli/instruments.py", line 307, in on_callback_message
kc_data = kc_data_parse(buf)
File "/usr/local/lib/python3.8/site-packages/ios_device/util/kc_data.py", line 1706, in kc_data_parse
str_data = "{" + kcdata_buffer.GetJsonRepr() + "}"
File "/usr/local/lib/python3.8/site-packages/ios_device/util/kc_data.py", line 622, in GetJsonRepr
o += ' "%s" : ' % k + v.GetJsonRepr() + ","
File "/usr/local/lib/python3.8/site-packages/ios_device/util/kc_data.py", line 480, in GetJsonRepr
return '[' + ', '.join([i.GetJsonRepr() for i in self.obj_collection]) + ']'
File "/usr/local/lib/python3.8/site-packages/ios_device/util/kc_data.py", line 480, in
return '[' + ', '.join([i.GetJsonRepr() for i in self.obj_collection]) + ']'
File "/usr/local/lib/python3.8/site-packages/ios_device/util/kc_data.py", line 482, in GetJsonRepr
return KNOWN_TYPES_COLLECTION[self.i_type].GetJsonRepr(self.i_data, self.i_flags)
File "/usr/local/lib/python3.8/site-packages/ios_device/util/kc_data.py", line 364, in GetJsonRepr
o = ", ".join(['"%s": %s' % (e.GetName(), e.GetJsonRepr(base_data)) for e in self.elements if
File "/usr/local/lib/python3.8/site-packages/ios_device/util/kc_data.py", line 364, in
o = ", ".join(['"%s": %s' % (e.GetName(), e.GetJsonRepr(base_data)) for e in self.elements if
File "/usr/local/lib/python3.8/site-packages/ios_device/util/kc_data.py", line 301, in GetJsonRepr
return self.GetStringRepr(base_data)
File "/usr/local/lib/python3.8/site-packages/ios_device/util/kc_data.py", line 279, in GetStringRepr
str_arr.append(self.GetValueAsString(base_data, i))
File "/usr/local/lib/python3.8/site-packages/ios_device/util/kc_data.py", line 246, in GetValueAsString
return data.decode()
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe4 in position 0: unexpected end of data
Traceback (most recent call last):
File "/usr/local/bin/pyidevice", line 8, in
sys.exit(cli())
File "/usr/local/lib/python3.8/site-packages/ios_device/main.py", line 15, in cli
cli_commands()
File "/usr/local/lib/python3.8/site-packages/click/core.py", line 1137, in call
return self.main(*args, **kwargs)
File "/usr/local/lib/python3.8/site-packages/click/core.py", line 1062, in main
rv = self.invoke(ctx)
File "/usr/local/lib/python3.8/site-packages/click/core.py", line 1668, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "/usr/local/lib/python3.8/site-packages/click/core.py", line 1668, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "/usr/local/lib/python3.8/site-packages/click/core.py", line 1404, in invoke
return ctx.invoke(self.callback, **ctx.params)
File "/usr/local/lib/python3.8/site-packages/click/core.py", line 763, in invoke
return __callback(*args, **kwargs)
File "/usr/local/lib/python3.8/site-packages/ios_device/cli/instruments.py", line 314, in stackshot
rpc.core_profile_session(on_callback_message, stopSignal)
File "/usr/local/lib/python3.8/site-packages/ios_device/cli/base.py", line 330, in core_profile_session
self.instruments.call(InstrumentsService.CoreProfileSessionTap, "start")
File "/usr/local/lib/python3.8/site-packages/ios_device/servers/dvt.py", line 169, in call
ret = self._call(True, channel_id, selector, *auxiliaries)
File "/usr/local/lib/python3.8/site-packages/ios_device/servers/dvt.py", line 208, in _call
ret = self.wait_reply(identifier)
File "/usr/local/lib/python3.8/site-packages/ios_device/servers/dvt.py", line 182, in wait_reply
ret = self._reply_queues[message_id].get(timeout=timeout)
File "/usr/local/Cellar/[email protected]/3.8.6/Frameworks/Python.framework/Versions/3.8/lib/python3.8/queue.py", line 178, in get
raise Empty
_queue.Empty

[YueChen-C]

嗯，好像有点 bug 。有时候能导出，有时候不行，我测试了下也是不能 100% 成功。我再看看

[YueChen-C]

解决了下 获取数据包乱序 的问题 14.6 测试基本正常
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