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]
},
{
"name": "takeHeapSnapshot",
"parameters": [
{ "name": "reportProgress", "type": "boolean", "optional": true, "description": "If true 'reportHeapSnapshotProgress' events will be generated while snapshot is being taken." }
]
},
{
"name": "collectGarbage"
},
{
"name": "getObjectByHeapObjectId",
"parameters": [
{ "name": "objectId", "$ref": "HeapSnapshotObjectId" },
{ "name": "objectGroup", "type": "string", "optional": true, "description": "Symbolic group name that can be used to release multiple objects." }
],
"returns": [
{ "name": "result", "$ref": "Runtime.RemoteObject", "description": "Evaluation result." }
]
},
{
"name": "addInspectedHeapObject",
"parameters": [
{ "name": "heapObjectId", "$ref": "HeapSnapshotObjectId", "description": "Heap snapshot object id to be accessible by means of $x command line API." }
],
"description": "Enables console to refer to the node with given id via $x (see Command Line API for more details $x functions)."
},
{
"name": "getHeapObjectId",
"parameters": [
{ "name": "objectId", "$ref": "Runtime.RemoteObjectId", "description": "Identifier of the object to get heap object id for." }
],
"returns": [
{ "name": "heapSnapshotObjectId", "$ref": "HeapSnapshotObjectId", "description": "Id of the heap snapshot object corresponding to the passed remote object id." }
]
},
{
"name": "startSampling",
"parameters": [
{ "name": "samplingInterval", "type": "number", "optional": true, "description": "Average sample interval in bytes. Poisson distribution is used for the intervals. The default value is 32768 bytes." }
]
},
{
"name": "stopSampling",
"returns": [
{ "name": "profile", "$ref": "SamplingHeapProfile", "description": "Recorded sampling heap profile." }
]
}
],
"events": [
{
"name": "addHeapSnapshotChunk",
"parameters": [
{ "name": "chunk", "type": "string" }
]
},
{
"name": "resetProfiles"
},
{
"name": "reportHeapSnapshotProgress",
"parameters": [
{ "name": "done", "type": "integer" },
{ "name": "total", "type": "integer" },
{ "name": "finished", "type": "boolean", "optional": true }
]
},
{
"name": "lastSeenObjectId",
"description": "If heap objects tracking has been started then backend regularly sends a current value for last seen object id and corresponding timestamp. If the were changes in the heap since last event then one or more heapStatsUpdate events will be sent before a new lastSeenObjectId event.",
"parameters": [
{ "name": "lastSeenObjectId", "type": "integer" },
{ "name": "timestamp", "type": "number" }
]
},
{
"name": "heapStatsUpdate",
"description": "If heap objects tracking has been started then backend may send update for one or more fragments",
"parameters": [
{ "name": "statsUpdate", "type": "array", "items": { "type": "integer" }, "description": "An array of triplets. Each triplet describes a fragment. The first integer is the fragment index, the second integer is a total count of objects for the fragment, the third integer is a total size of the objects for the fragment."}
]
}
]
}]