| Key | Description |
|---|---|
| snapshot | Metadata from the snapshot. See snapshot |
| nodes | List of heap nodes. See nodes |
| edges | List of heap edges between nodes. See edges |
| trace_function_infos | ??? |
| trace_tree | ??? |
| samples | ??? |
| strings | List of string in the heap. See strings |
| Key | Description |
|---|---|
| meta | A fixed object. Content may vary acording to V8 version |
| node_count | Number of nodes in the snapshot |
| edge_count | Number of edges in the snapshot |
| trace_function_count | ??? |
List of integers, where each group of 6 consecutive numbers represents one
node. A node is an object in the Heap.
| Description |
|---|
| Node's type |
| Index to the string representing the name of this node |
| ID of this node |
| Size of this node |
| Number of childrens this node have |
| ??? |
List of integers, where each group of 3 consecutive numbers represents one
edge. A edge is an object in the Heap.
| Description |
|---|
| Edge's type |
| Can be a) index of this edge; b) index of the string name for this edge |
| ID of the node this edge points to |
??? Question: how do we know the "from" of an edge? Is it determined by the list of nodes plus the childrens count for each node?
???
???
????
List with all strings in the heap.
{
"snapshot": {
"meta": {
"node_fields": [
"type",
"name",
"id",
"self_size",
"edge_count",
"trace_node_id"
],
"node_types": [
["hidden","array","string","object","code","closure","regexp","number","native","synthetic","concatenated string","sliced string"],
"string",
"number",
"number",
"number",
"number",
"number"
],
"edge_fields": [
"type",
"name_or_index",
"to_node"
],
"edge_types": [
["context","element","property","internal","hidden","shortcut","weak"],
"string_or_number",
"node"
],
"trace_function_info_fields": [
"function_id",
"name",
"script_name",
"script_id",
"line",
"column"
],
"trace_node_fields": [
"id",
"function_info_index",
"count",
"size",
"children"
],
"sample_fields": [
"timestamp_us",
"last_assigned_id"
]
},
"node_count": 35968,
"edge_count": 158089,
"trace_function_count": 0
},
"nodes": [9, 1, 1, 0, 4, 0,
// ...
9, 1158, 2274944298, 0, 1, 0
],
"edges":[1, 1, 6,
// ...
3, 178, 215796
],
"trace_function_infos":[],
"trace_tree":[],
"samples":[],
"strings":["<dummy>",
"",
// ...
"bound_argument_2",
"get listening"
]
}