def on_value_event(self, event):
"""Records the summary values based on an updated message from the
debugger.
Logs an error message if writing the event to disk fails.
Args:
event: The Event proto to be processed.
"""
if not event.summary.value:
logger.warning("The summary of the event lacks a value.")
return
# The node name property is actually a watch key, which is a concatenation
# of several pieces of data.
watch_key = event.summary.value[0].node_name
if not watch_key.endswith(constants.DEBUG_NUMERIC_SUMMARY_SUFFIX):
# Ignore events that lack a DebugNumericSummary.
# NOTE(@chihuahua): We may later handle other types of debug ops.
return
# We remove the constants.DEBUG_NUMERIC_SUMMARY_SUFFIX from the end of the
# watch name because it is not distinguishing: every health pill entry ends
# with it.
node_name_and_output_slot = watch_key[:-len(
constants.DEBUG_NUMERIC_SUMMARY_SUFFIX)]
shape = tensor_util.make_ndarray(event.summary.value[0].tensor).shape
if (len(shape) != 1 or
shape[0] < constants.MIN_DEBUG_NUMERIC_SUMMARY_TENSOR_LENGTH):
logger.warning("Health-pill tensor either lacks a dimension or is "
"shaped incorrectly: %s" % shape)
return
match = re.match(r"^(.*):(\d+)$", node_name_and_output_slot)
if not match:
logger.warning(
("A event with a health pill has an invalid node name and output "
"slot combination, (i.e., an unexpected debug op): %r"),
node_name_and_output_slot,
)
return
if self._session_run_index >= 0:
event.step = self._session_run_index
else:
# Data from parameter servers (or any graphs without a master) do not
# contain core metadata. So the session run count is missing. Set its
# value to a microsecond epoch timestamp.
event.step = int(time.time() * 1e6)
# Write this event to the events file designated for data from the
# debugger.
self._events_writer_manager.write_event(event)
alert = numerics_alert.extract_numerics_alert(event)
if self._numerics_alert_callback and alert:
self._numerics_alert_callback(alert)
def on_value_event(self, event):
"""Records the summary values based on an updated message from the debugger.
Logs an error message if writing the event to disk fails.
Args:
event: The Event proto to be processed.
"""
if not event.summary.value:
tf.logging.warn("The summary of the event lacks a value.")
return
# The node name property is actually a watch key, which is a concatenation
# of several pieces of data.
watch_key = event.summary.value[0].node_name
if not watch_key.endswith(constants.DEBUG_NUMERIC_SUMMARY_SUFFIX):
# Ignore events that lack a DebugNumericSummary.
# NOTE(@chihuahua): We may later handle other types of debug ops.
return
# We remove the constants.DEBUG_NUMERIC_SUMMARY_SUFFIX from the end of the
# watch name because it is not distinguishing: every health pill entry ends
# with it.
node_name_and_output_slot = watch_key[
:-len(constants.DEBUG_NUMERIC_SUMMARY_SUFFIX)]
shape = tf.make_ndarray(event.summary.value[0].tensor).shape
if (len(shape) != 1 or
shape[0] < constants.MIN_DEBUG_NUMERIC_SUMMARY_TENSOR_LENGTH):
tf.logging.warning("Health-pill tensor either lacks a dimension or is "
"shaped incorrectly: %s" % shape)
return
match = re.match(r"^(.*):(\d+)$", node_name_and_output_slot)
if not match:
tf.logging.warning(
("A event with a health pill has an invalid node name and output "
"slot combination, (i.e., an unexpected debug op): %r"),
node_name_and_output_slot)
return
if self._session_run_index >= 0:
event.step = self._session_run_index
else:
# Data from parameter servers (or any graphs without a master) do not
# contain core metadata. So the session run count is missing. Set its
# value to a microsecond epoch timestamp.
event.step = int(time.time() * 1e6)
# Write this event to the events file designated for data from the
# debugger.
self._events_writer_manager.write_event(event)
alert = numerics_alert.extract_numerics_alert(event)
if self._numerics_alert_callback and alert:
self._numerics_alert_callback(alert)
