Source code for spinn_front_end_common.interface.interface_functions.application_finisher
import struct
from spinn_front_end_common.utilities import constants, exceptions
from spinnman.messages.sdp import SDPFlag, SDPHeader, SDPMessage
from spinnman.model.enums import CPUState
from spinn_utilities.progress_bar import ProgressBar
[docs]class ApplicationFinisher(object):
__slots__ = []
def __call__(self, app_id, txrx, executable_targets, has_ran):
if not has_ran:
raise exceptions.ConfigurationException(
"The ran token is not set correctly, please fix and try again")
total_processors = executable_targets.total_processors
all_core_subsets = executable_targets.all_core_subsets
progress = ProgressBar(
total_processors,
"Turning off all the cores within the simulation")
# check that the right number of processors are finished
processors_finished = txrx.get_core_state_count(
app_id, CPUState.FINISHED)
finished_cores = processors_finished
while processors_finished != total_processors:
if processors_finished > finished_cores:
progress.update(finished_cores - processors_finished)
finished_cores = processors_finished
processors_rte = txrx.get_core_state_count(
app_id, CPUState.RUN_TIME_EXCEPTION)
processors_watchdogged = txrx.get_core_state_count(
app_id, CPUState.WATCHDOG)
if processors_rte > 0 or processors_watchdogged > 0:
raise exceptions.ExecutableFailedToStopException(
"{} of {} processors went into an error state when"
" shutting down".format(
processors_rte + processors_watchdogged,
total_processors))
successful_cores_finished = txrx.get_cores_in_state(
all_core_subsets, CPUState.FINISHED)
for core_subset in all_core_subsets:
for processor in core_subset.processor_ids:
if not successful_cores_finished.is_core(
core_subset.x, core_subset.y, processor):
self._update_provenance_and_exit(
txrx, processor, core_subset)
processors_finished = txrx.get_core_state_count(
app_id, CPUState.FINISHED)
progress.end()
@staticmethod
def _update_provenance_and_exit(txrx, processor, core_subset):
byte_data = struct.pack(
"<I",
constants.SDP_RUNNING_MESSAGE_CODES
.SDP_UPDATE_PROVENCE_REGION_AND_EXIT.value)
txrx.send_sdp_message(SDPMessage(
sdp_header=SDPHeader(
flags=SDPFlag.REPLY_NOT_EXPECTED,
destination_port=(
constants.SDP_PORTS.RUNNING_COMMAND_SDP_PORT.value),
destination_cpu=processor,
destination_chip_x=core_subset.x,
destination_chip_y=core_subset.y),
data=byte_data))