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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
"use strict";
const {
Arg,
RetVal,
types,
generateActorSpec,
types.addDictType("AllocationsRecordingOptions", {
// The probability we sample any given allocation when recording
// allocations. Must be between 0.0 and 1.0. Defaults to 1.0, or sampling
// every allocation.
probability: "number",
// The maximum number of of allocation events to keep in the allocations
// log. If new allocations arrive, when we are already at capacity, the oldest
// allocation event is lost. This number must fit in a 32 bit signed integer.
maxLogLength: "number",
});
const memorySpec = generateActorSpec({
typeName: "memory",
/**
* The set of unsolicited events the MemoryActor emits that will be sent over
* the RDP (by protocol.js).
*/
events: {
// Same format as the data passed to the
// `Debugger.Memory.prototype.onGarbageCollection` hook. See
// `js/src/doc/Debugger/Debugger.Memory.md` for documentation.
"garbage-collection": {
type: "garbage-collection",
data: Arg(0, "json"),
},
// Same data as the data from `getAllocations` -- only fired if
// `autoDrain` set during `startRecordingAllocations`.
allocations: {
type: "allocations",
data: Arg(0, "json"),
},
},
methods: {
attach: {
request: {},
response: {
type: RetVal("string"),
},
},
detach: {
request: {},
response: {
type: RetVal("string"),
},
},
getState: {
response: {
state: RetVal(0, "string"),
},
},
takeCensus: {
request: {},
response: RetVal("json"),
},
startRecordingAllocations: {
request: {
options: Arg(0, "nullable:AllocationsRecordingOptions"),
},
response: {
// Accept `nullable` in the case of server Gecko <= 37, handled on the front
value: RetVal(0, "nullable:number"),
},
},
stopRecordingAllocations: {
request: {},
response: {
// Accept `nullable` in the case of server Gecko <= 37, handled on the front
value: RetVal(0, "nullable:number"),
},
},
getAllocationsSettings: {
request: {},
response: {
options: RetVal(0, "json"),
},
},
getAllocations: {
request: {},
response: RetVal("json"),
},
forceGarbageCollection: {
request: {},
response: {},
},
forceCycleCollection: {
request: {},
response: {},
},
measure: {
request: {},
response: RetVal("json"),
},
residentUnique: {
request: {},
response: { value: RetVal("number") },
},
saveHeapSnapshot: {
request: {
boundaries: Arg(0, "nullable:json"),
},
response: {
snapshotId: RetVal("string"),
},
},
},
});
exports.memorySpec = memorySpec;