def timestamp_end(self):
"""
End timestamp of this trace collection (nanoseconds since
Epoch).
"""
pos_ptr = nbt._bt_iter_pos()
pos_ptr.type = nbt.SEEK_LAST
return self._timestamp_at_pos(pos_ptr)
def events(self):
"""
Generates the ordered :class:`Event` objects of all the opened
traces contained in this trace collection.
Due to limitations of the native Babeltrace API, only one event
may be "alive" at a given time, i.e. a user **should never**
store a copy of the events returned by this function for
ulterior use. Users shall make sure to copy the information
they need *from* an event before accessing the next one.
"""
begin_pos_ptr = nbt._bt_iter_pos()
end_pos_ptr = nbt._bt_iter_pos()
begin_pos_ptr.type = nbt.SEEK_BEGIN
end_pos_ptr.type = nbt.SEEK_LAST
for event in self._events(begin_pos_ptr, end_pos_ptr):
yield event
def timestamp_begin(self):
"""
Begin timestamp of this trace collection (nanoseconds since
Epoch).
"""
pos_ptr = nbt._bt_iter_pos()
pos_ptr.type = nbt.SEEK_BEGIN
return self._timestamp_at_pos(pos_ptr)
def timestamp_end(self):
"""
End timestamp of this trace collection (nanoseconds since
Epoch).
"""
pos_ptr = nbt._bt_iter_pos()
pos_ptr.type = nbt.SEEK_LAST
return self._timestamp_at_pos(pos_ptr)
def timestamp_begin(self):
"""
Begin timestamp of this trace collection (nanoseconds since
Epoch).
"""
pos_ptr = nbt._bt_iter_pos()
pos_ptr.type = nbt.SEEK_BEGIN
return self._timestamp_at_pos(pos_ptr)
def events(self):
"""
Generates the ordered :class:`Event` objects of all the opened
traces contained in this trace collection.
Due to limitations of the native Babeltrace API, only one event
may be "alive" at a given time, i.e. a user **should never**
store a copy of the events returned by this function for
ulterior use. Users shall make sure to copy the information
they need *from* an event before accessing the next one.
"""
begin_pos_ptr = nbt._bt_iter_pos()
end_pos_ptr = nbt._bt_iter_pos()
begin_pos_ptr.type = nbt.SEEK_BEGIN
end_pos_ptr.type = nbt.SEEK_LAST
for event in self._events(begin_pos_ptr, end_pos_ptr):
yield event
def events_timestamps(self, timestamp_begin, timestamp_end):
"""
Generates the ordered :class:`Event` objects of all the opened
traces contained in this trace collection from *timestamp_begin*
to *timestamp_end*.
*timestamp_begin* and *timestamp_end* are given in nanoseconds
since Epoch.
See :attr:`events` for notes and limitations.
"""
begin_pos_ptr = nbt._bt_iter_pos()
end_pos_ptr = nbt._bt_iter_pos()
begin_pos_ptr.type = end_pos_ptr.type = nbt.SEEK_TIME
begin_pos_ptr.u.seek_time = timestamp_begin
end_pos_ptr.u.seek_time = timestamp_end
for event in self._events(begin_pos_ptr, end_pos_ptr):
yield event
def events_timestamps(self, timestamp_begin, timestamp_end):
"""
Generates the ordered :class:`Event` objects of all the opened
traces contained in this trace collection from *timestamp_begin*
to *timestamp_end*.
*timestamp_begin* and *timestamp_end* are given in nanoseconds
since Epoch.
See :attr:`events` for notes and limitations.
"""
begin_pos_ptr = nbt._bt_iter_pos()
end_pos_ptr = nbt._bt_iter_pos()
begin_pos_ptr.type = end_pos_ptr.type = nbt.SEEK_TIME
begin_pos_ptr.u.seek_time = timestamp_begin
end_pos_ptr.u.seek_time = timestamp_end
for event in self._events(begin_pos_ptr, end_pos_ptr):
yield event
