caproto.server.stats.MemoryTracingHelper

Inheritance diagram of MemoryTracingHelper
class caproto.server.stats.MemoryTracingHelper(*args, filters: Optional[List[tracemalloc.Filter]] = None, **kwargs)[source]

A helper which quickly allows for tracing memory usage and allocations on a caproto server instance.

Parameters
prefixstr

Prefix for all PVs in the group

macrosdict, optional

Dictionary of macro name to value

parentPVGroup, optional

Parent PVGroup

namestr, optional

Name for the group, defaults to the class name

statesdict, optional

A dictionary of states used for channel filtering. See https://epics.anl.gov/base/R3-15/5-docs/filters.html

filterslist of tracemalloc.Filter, optional

Filters to apply to the snapshot. Defaults to TRACEMALLOC_FILTERS.

MemoryTracingHelper pvproperties

Attribute

Suffix

Docs

Type

Notes

Alarm Group

diff_results

TraceDiffResults

Trace diff from snapshot to snapshot

str (waveform)

Read-only Length(20000)

enable_tracing

EnableTracing

Enable/disable in-depth memory analysis

ENUM (bo)

top_allocations

TraceTopAllocations

Top allocations in snapshot

str (waveform)

Read-only Length(20000)

trace_count

TraceCount

Number of top allocations to view

int (ao)

Methods

group_read(instance)

Generic read called for channels without get defined

group_write(instance, value)

Generic write called for channels without put defined

Attributes

default_values

type_map

type_map_read_only

pvproperty methods