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

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

GLOBAL = 'g'

PROCESS = 'p'

THREAD = 't'

class dasf.profile.profiler.InstantEvent

name: str

timestamp: float

phase: str

scope: str

process_id: int = 0

thread_id: int = 0

args: dict

class dasf.profile.profiler.CompleteEvent

name: str

timestamp: float

duration: float

phase: str

process_id: int = 0

thread_id: int = 0

args: dict

class dasf.profile.profiler.DurationBeginEvent

name: str

timestamp: float

phase: str

process_id: int = 0

thread_id: int = 0

args: dict

class dasf.profile.profiler.DurationEndEvent

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

Bases: abc.ABC

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

open()

Return type:

EventDatabase

abstract record(event)

Parameters:

event (EventTypes)

abstract commit()

abstract get_traces()

Return type:

Iterable[EventTypes]

close()

__enter__()

__exit__(*args, **kwargs)

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)

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)

database_file

commit_threshold

commit_on_close

queue

lock_timeout

byte_size

flush

record(event)

Parameters:

event (EventTypes)

commit()

get_traces()

Return type:

Iterable[EventTypes]

close()

__str__()

Return type:

str

__repr__()

Return type:

str

class dasf.profile.profiler.EventProfiler(database_file=None, database_creation_kwargs=None, database=None)

Parameters:

• database_file (str)

• database_creation_kwargs (dict)

• database (EventDatabase)

traces_file_prefix = 'traces-'

default_database

default_database_kwargs

output_file = None

_record(event)

Parameters:

event (EventTypes)

record_complete_event(name, timestamp, duration, **kwargs)

Parameters:

• name (str)

• timestamp (float)

• duration (float)

record_instant_event(name, timestamp, **kwargs)

Parameters:

• name (str)

• timestamp (float)

record_duration_begin_event(name, timestamp, **kwargs)

Parameters:

• name (str)

• timestamp (float)

record_duration_end_event(name, timestamp, **kwargs)

Parameters:

• name (str)

• timestamp (float)

get_traces()

Return type:

Iterable[EventTypes]

__str__()

__repr__()

Return type:

str

commit()