Source code for spinn_front_end_common.interface.interface_functions.chip_provenance_updater
# Copyright (c) 2016 The University of Manchester
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import struct
import logging
from time import sleep
from spinn_utilities.progress_bar import ProgressBar
from spinn_utilities.log import FormatAdapter
from spinnman.messages.sdp import SDPFlag, SDPHeader, SDPMessage
from spinnman.model.enums import CPUState
from spinn_front_end_common.data import FecDataView
from spinn_front_end_common.utilities.constants import (
SDP_PORTS, SDP_RUNNING_MESSAGE_CODES)
from spinn_front_end_common.utilities.exceptions import ConfigurationException
logger = FormatAdapter(logging.getLogger(__name__))
_ONE_WORD = struct.Struct("<I")
_LIMIT = 10
[docs]def chip_provenance_updater(all_core_subsets):
updater = _ChipProvenanceUpdater(all_core_subsets)
# pylint: disable=protected-access
updater._run()
class _ChipProvenanceUpdater(object):
"""
Forces all cores to generate provenance data, and then exit.
"""
__slots__ = ["__all_cores", "__app_id", "__txrx"]
def __init__(self, all_core_subsets):
"""
:param ~spinn_machine.CoreSubsets all_core_subsets:
"""
self.__all_cores = all_core_subsets
self.__app_id = FecDataView.get_app_id()
self.__txrx = FecDataView.get_transceiver()
def _run(self):
# check that the right number of processors are in sync
processors_completed = self.__txrx.get_core_state_count(
self.__app_id, CPUState.FINISHED)
total_processors = len(self.__all_cores)
left_to_do_cores = total_processors - processors_completed
progress = ProgressBar(
left_to_do_cores,
"Forcing error cores to generate provenance data")
error_cores = self.__txrx.get_cores_in_state(
self.__all_cores, CPUState.RUN_TIME_EXCEPTION)
watchdog_cores = self.__txrx.get_cores_in_state(
self.__all_cores, CPUState.WATCHDOG)
idle_cores = self.__txrx.get_cores_in_state(
self.__all_cores, CPUState.IDLE)
if error_cores or watchdog_cores or idle_cores:
raise ConfigurationException(
"Some cores have crashed. "
f"RTE cores {error_cores.values()}, "
f"watch-dogged cores {watchdog_cores.values()}, "
f"idle cores {idle_cores.values()}")
# check that all cores are in the state FINISHED which shows that
# the core has received the message and done provenance updating
self._update_provenance(
total_processors, processors_completed, progress)
progress.end()
def _update_provenance(
self, total_processors, processors_completed, progress):
"""
:param int total_processors:
:param int processors_completed:
:param ~.ProgressBar progress:
"""
# pylint: disable=too-many-arguments
left_to_do_cores = total_processors - processors_completed
attempts = 0
while processors_completed != total_processors and attempts < _LIMIT:
attempts += 1
unsuccessful_cores = self.__txrx.get_cores_not_in_state(
self.__all_cores, CPUState.FINISHED)
for (x, y, p) in unsuccessful_cores.keys():
self._send_chip_update_provenance_and_exit(x, y, p)
processors_completed = self.__txrx.get_core_state_count(
self.__app_id, CPUState.FINISHED)
left_over_now = total_processors - processors_completed
to_update = left_to_do_cores - left_over_now
left_to_do_cores = left_over_now
if to_update != 0:
progress.update(to_update)
sleep(0.5)
if processors_completed != total_processors:
logger.error("Unable to Finish getting provenance data. "
"Abandoned after too many retries. "
"Board may be left in an unstable state!")
def _send_chip_update_provenance_and_exit(self, x, y, p):
"""
:param int x:
:param int y:
:param int p:
"""
cmd = SDP_RUNNING_MESSAGE_CODES.SDP_UPDATE_PROVENCE_REGION_AND_EXIT
port = SDP_PORTS.RUNNING_COMMAND_SDP_PORT
self.__txrx.send_sdp_message(SDPMessage(
SDPHeader(
flags=SDPFlag.REPLY_NOT_EXPECTED,
destination_port=port.value, destination_cpu=p,
destination_chip_x=x, destination_chip_y=y),
data=_ONE_WORD.pack(cmd.value)))