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291 lines
10 KiB
Python
291 lines
10 KiB
Python
# DO NOT EDIT THIS FILE!
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#
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# This file is generated from the CDP specification. If you need to make
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# changes, edit the generator and regenerate all of the modules.
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#
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# CDP domain: Tracing (experimental)
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from __future__ import annotations
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from .util import event_class, T_JSON_DICT
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from dataclasses import dataclass
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import enum
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import typing
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from . import io
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class MemoryDumpConfig(dict):
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'''
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Configuration for memory dump. Used only when "memory-infra" category is enabled.
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'''
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def to_json(self) -> dict:
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return self
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@classmethod
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def from_json(cls, json: dict) -> MemoryDumpConfig:
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return cls(json)
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def __repr__(self):
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return 'MemoryDumpConfig({})'.format(super().__repr__())
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@dataclass
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class TraceConfig:
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#: Controls how the trace buffer stores data.
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record_mode: typing.Optional[str] = None
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#: Turns on JavaScript stack sampling.
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enable_sampling: typing.Optional[bool] = None
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#: Turns on system tracing.
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enable_systrace: typing.Optional[bool] = None
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#: Turns on argument filter.
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enable_argument_filter: typing.Optional[bool] = None
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#: Included category filters.
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included_categories: typing.Optional[typing.List[str]] = None
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#: Excluded category filters.
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excluded_categories: typing.Optional[typing.List[str]] = None
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#: Configuration to synthesize the delays in tracing.
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synthetic_delays: typing.Optional[typing.List[str]] = None
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#: Configuration for memory dump triggers. Used only when "memory-infra" category is enabled.
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memory_dump_config: typing.Optional[MemoryDumpConfig] = None
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def to_json(self):
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json = dict()
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if self.record_mode is not None:
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json['recordMode'] = self.record_mode
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if self.enable_sampling is not None:
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json['enableSampling'] = self.enable_sampling
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if self.enable_systrace is not None:
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json['enableSystrace'] = self.enable_systrace
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if self.enable_argument_filter is not None:
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json['enableArgumentFilter'] = self.enable_argument_filter
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if self.included_categories is not None:
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json['includedCategories'] = [i for i in self.included_categories]
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if self.excluded_categories is not None:
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json['excludedCategories'] = [i for i in self.excluded_categories]
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if self.synthetic_delays is not None:
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json['syntheticDelays'] = [i for i in self.synthetic_delays]
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if self.memory_dump_config is not None:
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json['memoryDumpConfig'] = self.memory_dump_config.to_json()
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return json
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@classmethod
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def from_json(cls, json):
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return cls(
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record_mode=str(json['recordMode']) if 'recordMode' in json else None,
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enable_sampling=bool(json['enableSampling']) if 'enableSampling' in json else None,
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enable_systrace=bool(json['enableSystrace']) if 'enableSystrace' in json else None,
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enable_argument_filter=bool(json['enableArgumentFilter']) if 'enableArgumentFilter' in json else None,
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included_categories=[str(i) for i in json['includedCategories']] if 'includedCategories' in json else None,
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excluded_categories=[str(i) for i in json['excludedCategories']] if 'excludedCategories' in json else None,
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synthetic_delays=[str(i) for i in json['syntheticDelays']] if 'syntheticDelays' in json else None,
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memory_dump_config=MemoryDumpConfig.from_json(json['memoryDumpConfig']) if 'memoryDumpConfig' in json else None,
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)
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class StreamFormat(enum.Enum):
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'''
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Data format of a trace. Can be either the legacy JSON format or the
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protocol buffer format. Note that the JSON format will be deprecated soon.
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'''
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JSON = "json"
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PROTO = "proto"
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def to_json(self):
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return self.value
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@classmethod
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def from_json(cls, json):
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return cls(json)
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class StreamCompression(enum.Enum):
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'''
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Compression type to use for traces returned via streams.
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'''
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NONE = "none"
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GZIP = "gzip"
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def to_json(self):
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return self.value
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@classmethod
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def from_json(cls, json):
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return cls(json)
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def end() -> typing.Generator[T_JSON_DICT,T_JSON_DICT,None]:
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'''
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Stop trace events collection.
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'''
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cmd_dict: T_JSON_DICT = {
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'method': 'Tracing.end',
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}
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json = yield cmd_dict
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def get_categories() -> typing.Generator[T_JSON_DICT,T_JSON_DICT,typing.List[str]]:
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'''
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Gets supported tracing categories.
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:returns: A list of supported tracing categories.
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'''
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cmd_dict: T_JSON_DICT = {
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'method': 'Tracing.getCategories',
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}
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json = yield cmd_dict
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return [str(i) for i in json['categories']]
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def record_clock_sync_marker(
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sync_id: str
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) -> typing.Generator[T_JSON_DICT,T_JSON_DICT,None]:
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'''
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Record a clock sync marker in the trace.
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:param sync_id: The ID of this clock sync marker
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'''
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params: T_JSON_DICT = dict()
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params['syncId'] = sync_id
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cmd_dict: T_JSON_DICT = {
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'method': 'Tracing.recordClockSyncMarker',
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'params': params,
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}
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json = yield cmd_dict
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def request_memory_dump(
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deterministic: typing.Optional[bool] = None
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) -> typing.Generator[T_JSON_DICT,T_JSON_DICT,typing.Tuple[str, bool]]:
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'''
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Request a global memory dump.
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:param deterministic: *(Optional)* Enables more deterministic results by forcing garbage collection
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:returns: A tuple with the following items:
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0. **dumpGuid** - GUID of the resulting global memory dump.
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1. **success** - True iff the global memory dump succeeded.
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'''
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params: T_JSON_DICT = dict()
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if deterministic is not None:
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params['deterministic'] = deterministic
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cmd_dict: T_JSON_DICT = {
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'method': 'Tracing.requestMemoryDump',
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'params': params,
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}
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json = yield cmd_dict
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return (
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str(json['dumpGuid']),
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bool(json['success'])
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)
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def start(
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categories: typing.Optional[str] = None,
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options: typing.Optional[str] = None,
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buffer_usage_reporting_interval: typing.Optional[float] = None,
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transfer_mode: typing.Optional[str] = None,
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stream_format: typing.Optional[StreamFormat] = None,
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stream_compression: typing.Optional[StreamCompression] = None,
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trace_config: typing.Optional[TraceConfig] = None
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) -> typing.Generator[T_JSON_DICT,T_JSON_DICT,None]:
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'''
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Start trace events collection.
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:param categories: *(Optional)* Category/tag filter
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:param options: *(Optional)* Tracing options
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:param buffer_usage_reporting_interval: *(Optional)* If set, the agent will issue bufferUsage events at this interval, specified in milliseconds
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:param transfer_mode: *(Optional)* Whether to report trace events as series of dataCollected events or to save trace to a stream (defaults to ```ReportEvents````).
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:param stream_format: *(Optional)* Trace data format to use. This only applies when using ````ReturnAsStream```` transfer mode (defaults to ````json````).
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:param stream_compression: *(Optional)* Compression format to use. This only applies when using ````ReturnAsStream```` transfer mode (defaults to ````none```)
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:param trace_config: *(Optional)*
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'''
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params: T_JSON_DICT = dict()
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if categories is not None:
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params['categories'] = categories
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if options is not None:
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params['options'] = options
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if buffer_usage_reporting_interval is not None:
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params['bufferUsageReportingInterval'] = buffer_usage_reporting_interval
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if transfer_mode is not None:
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params['transferMode'] = transfer_mode
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if stream_format is not None:
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params['streamFormat'] = stream_format.to_json()
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if stream_compression is not None:
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params['streamCompression'] = stream_compression.to_json()
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if trace_config is not None:
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params['traceConfig'] = trace_config.to_json()
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cmd_dict: T_JSON_DICT = {
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'method': 'Tracing.start',
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'params': params,
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}
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json = yield cmd_dict
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@event_class('Tracing.bufferUsage')
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@dataclass
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class BufferUsage:
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#: A number in range [0..1] that indicates the used size of event buffer as a fraction of its
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#: total size.
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percent_full: typing.Optional[float]
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#: An approximate number of events in the trace log.
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event_count: typing.Optional[float]
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#: A number in range [0..1] that indicates the used size of event buffer as a fraction of its
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#: total size.
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value: typing.Optional[float]
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@classmethod
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def from_json(cls, json: T_JSON_DICT) -> BufferUsage:
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return cls(
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percent_full=float(json['percentFull']) if 'percentFull' in json else None,
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event_count=float(json['eventCount']) if 'eventCount' in json else None,
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value=float(json['value']) if 'value' in json else None
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)
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@event_class('Tracing.dataCollected')
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@dataclass
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class DataCollected:
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'''
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Contains an bucket of collected trace events. When tracing is stopped collected events will be
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send as a sequence of dataCollected events followed by tracingComplete event.
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'''
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value: typing.List[dict]
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@classmethod
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def from_json(cls, json: T_JSON_DICT) -> DataCollected:
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return cls(
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value=[dict(i) for i in json['value']]
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)
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@event_class('Tracing.tracingComplete')
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@dataclass
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class TracingComplete:
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'''
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Signals that tracing is stopped and there is no trace buffers pending flush, all data were
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delivered via dataCollected events.
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'''
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#: Indicates whether some trace data is known to have been lost, e.g. because the trace ring
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#: buffer wrapped around.
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data_loss_occurred: bool
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#: A handle of the stream that holds resulting trace data.
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stream: typing.Optional[io.StreamHandle]
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#: Trace data format of returned stream.
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trace_format: typing.Optional[StreamFormat]
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#: Compression format of returned stream.
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stream_compression: typing.Optional[StreamCompression]
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@classmethod
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def from_json(cls, json: T_JSON_DICT) -> TracingComplete:
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return cls(
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data_loss_occurred=bool(json['dataLossOccurred']),
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stream=io.StreamHandle.from_json(json['stream']) if 'stream' in json else None,
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trace_format=StreamFormat.from_json(json['traceFormat']) if 'traceFormat' in json else None,
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stream_compression=StreamCompression.from_json(json['streamCompression']) if 'streamCompression' in json else None
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)
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