Microsoft-IE-JSDumpHeap

Event	Title	Channel	Sample	Rule
1	JSDumpHeapEnvelopeStart	Application	N	N
2	JSDumpHeapEnvelopeStop_V1	Application	N	N
3	JSDumpHeapBulkNode	Application	N	N
4	JSDumpHeapBulkAttribute	Application	N	N
5	JSDumpHeapBulkEdge	Application	N	N
6	JSDumpHeapStringTable	Application	N	N
7	JSDumpHeapDoubleTable	Application	N	N

Event ID 1: JSDumpHeapEnvelopeStart

Channel: Application
Task: JSDumpHeapEnvelope
Opcode: Start

Fields #

Name	Description
`Settings` UnicodeString

Event ID 2: JSDumpHeapEnvelopeStop_V1

Channel: Application
Task: JSDumpHeapEnvelope
Opcode: Stop

Fields #

Name	Description
`Summary` UnicodeString

Event ID 3: JSDumpHeapBulkNode

Channel: Application
Task: JSDumpHeapBulkNode

Fields #

Name	Description
`Index` UInt32
`Count` UInt32
`Values` Int8

Event ID 4: JSDumpHeapBulkAttribute

Channel: Application
Task: JSDumpHeapBulkAttribute

Fields #

Name	Description
`Index` UInt32
`Count` UInt32
`Values` Int8

Event ID 5: JSDumpHeapBulkEdge

Channel: Application
Task: JSDumpHeapBulkEdge

Fields #

Name	Description
`Index` UInt32
`Count` UInt32
`Values` Int8

Event ID 6: JSDumpHeapStringTable

Channel: Application
Task: JSDumpHeapStringTable

Fields #

Name	Description
`Index` UInt32
`Count` UInt32
`Values` Int8

Event ID 7: JSDumpHeapDoubleTable

Channel: Application
Task: JSDumpHeapDoubleTable

Fields #

Name	Description
`Index` UInt32
`Count` UInt32
`Values` Int8

Provenance

ETW provider GUID 7f8e35ca-68e8-41b9-86fe-d6adc5b327e7

Defined in edgehtml.dll, which carries the event manifest.

WS2022-20348.4893, schema read from the registered manifest, binary version 11.00.20348.1, captured 2026-06-02 — Manifest XML pack, 1.9 MB
Win11-26200.6584, schema read from the registered manifest, binary version 11.00.26100.1, captured 2026-06-02 — Manifest XML pack, 2.0 MB