Source code for spinn_front_end_common.interface.interface_functions.chip_provenance_updater
import struct
import logging
from spinn_utilities.progress_bar import ProgressBar
from spinnman.messages.sdp import SDPFlag, SDPHeader, SDPMessage
from spinnman.model.enums import CPUState
from spinn_front_end_common.utilities.constants \
import SDP_PORTS, SDP_RUNNING_MESSAGE_CODES
from spinn_front_end_common.utilities.exceptions import ConfigurationException
logger = logging.getLogger(__name__)
[docs]class ChipProvenanceUpdater(object):
""" Forces all cores to generate provenance data, and then exit
"""
__slots__ = []
def __call__(self, txrx, app_id, all_core_subsets):
# check that the right number of processors are in sync
processors_completed = txrx.get_core_state_count(
app_id, CPUState.FINISHED)
total_processors = len(all_core_subsets)
left_to_do_cores = total_processors - processors_completed
progress = ProgressBar(
left_to_do_cores,
"Forcing error cores to generate provenance data")
error_cores = txrx.get_cores_in_state(
all_core_subsets, CPUState.RUN_TIME_EXCEPTION)
watchdog_cores = txrx.get_cores_in_state(
all_core_subsets, CPUState.WATCHDOG)
idle_cores = txrx.get_cores_in_state(
all_core_subsets, CPUState.IDLE)
if (len(error_cores) != 0 or len(watchdog_cores) != 0 or
len(idle_cores) != 0):
raise ConfigurationException(
"Some cores have crashed. RTE cores {}, watch-dogged cores {},"
" idle cores {}".format(
error_cores.values(), watchdog_cores.values(),
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
attempts = 0
while processors_completed != total_processors and attempts < 10:
attempts += 1
unsuccessful_cores = txrx.get_cores_not_in_state(
all_core_subsets, CPUState.FINISHED)
for (x, y, p) in unsuccessful_cores.iterkeys():
data = struct.pack(
"<I", SDP_RUNNING_MESSAGE_CODES.
SDP_UPDATE_PROVENCE_REGION_AND_EXIT.value)
txrx.send_sdp_message(SDPMessage(SDPHeader(
flags=SDPFlag.REPLY_NOT_EXPECTED,
destination_cpu=p,
destination_chip_x=x,
destination_port=SDP_PORTS.RUNNING_COMMAND_SDP_PORT.value,
destination_chip_y=y), data=data))
processors_completed = txrx.get_core_state_count(
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)
if attempts >= 10:
logger.error("Unable to Finish getting provenance data. "
"Abandoned after too many retries. "
"Board may be left in an unstable state!")
progress.end()