dasf.profile.profiler

Attributes

`EventTypes`
`event_classes`

Classes

`EventPhases`
`InstantEventScope`
`InstantEvent`
`CompleteEvent`
`DurationBeginEvent`
`DurationEndEvent`
`EventDatabase`	Helper class that provides a standard way to create an ABC using
`FileDatabase`	Helper class that provides a standard way to create an ABC using
`EventProfiler`

Module Contents

class dasf.profile.profiler.EventPhases[source]

COMPLETE = 'X'

DURATION_BEGIN = 'B'

DURATION_END = 'E'

INSTANT = 'I'

ASYNC_BEGIN = 'b'

ASYNC_INSTANT = 'n'

ASYNC_END = 'e'

FLOW_BEGIN = 's'

FLOW_STEP = 't'

FLOW_END = 'f'

COUNTER = 'C'

OBJECT_CREATED = 'N'

OBJECT_SNAPSHOT = 'O'

OBJECT_DESTROYED = 'D'

METADATA = 'M'

MARK = 'R'

class dasf.profile.profiler.InstantEventScope[source]

GLOBAL = 'g'

PROCESS = 'p'

THREAD = 't'

class dasf.profile.profiler.InstantEvent[source]

name: str

timestamp: float

phase: str

scope: str

process_id: int = 0

thread_id: int = 0

args: dict

class dasf.profile.profiler.CompleteEvent[source]

name: str

timestamp: float

duration: float

phase: str

process_id: int = 0

thread_id: int = 0

args: dict

class dasf.profile.profiler.DurationBeginEvent[source]

name: str

timestamp: float

phase: str

process_id: int = 0

thread_id: int = 0

args: dict

class dasf.profile.profiler.DurationEndEvent[source]

name: str

timestamp: float

phase: str

process_id: int = 0

thread_id: int = 0

args: dict

dasf.profile.profiler.EventTypes

dasf.profile.profiler.event_classes

class dasf.profile.profiler.EventDatabase[source]

Bases: abc.ABC

Helper class that provides a standard way to create an ABC using inheritance.

open()[source]

Return type:: EventDatabase

abstract record(event)[source]

Parameters:: event (EventTypes)

abstract commit()[source]

abstract get_traces()[source]

Return type:: Iterable[EventTypes]

close()[source]

__enter__()[source]

__exit__(*args, **kwargs)[source]

class dasf.profile.profiler.FileDatabase(database_file='traces.msgpack', commit_threshold=5000, remove_old_output_file=False, commit_on_close=True, lock_timeout=30, default_byte_size=8, flush=True)[source]

Bases: EventDatabase

Helper class that provides a standard way to create an ABC using inheritance.

Parameters:

database_file (str)
commit_threshold (int)
remove_old_output_file (bool)
commit_on_close (bool)
lock_timeout (int)
default_byte_size (int)
flush (bool)

record(event)[source]

Parameters:: event (EventTypes)

commit()[source]

get_traces()[source]

Return type:: Iterable[EventTypes]

close()[source]

__str__()[source]

Return str(self).

Return type:: str

__repr__()[source]

Return repr(self).

Return type:: str

class dasf.profile.profiler.EventProfiler(database_file=None, database_creation_kwargs=None, database=None)[source]

Parameters:

database_file (str)
database_creation_kwargs (dict)
database (EventDatabase)

traces_file_prefix = 'traces-'

default_database

default_database_kwargs

_record(event)[source]

Parameters:: event (EventTypes)

record_complete_event(name, timestamp, duration, **kwargs)[source]

Parameters:

name (str)
timestamp (float)
duration (float)

record_instant_event(name, timestamp, **kwargs)[source]

Parameters:

name (str)
timestamp (float)

record_duration_begin_event(name, timestamp, **kwargs)[source]

Parameters:

name (str)
timestamp (float)

record_duration_end_event(name, timestamp, **kwargs)[source]

Parameters:

name (str)
timestamp (float)

get_traces()[source]

Return type:: Iterable[EventTypes]

__str__()[source]: Return str(self).

__repr__()[source]

Return repr(self).

Return type:: str

commit()[source]