etwdump - Man Page

Provide an interface to read ETW


etwdump--help ] [ --version ] [ --extcap-interfaces ] [ --extcap-dlts ] [ --extcap-interface=<interface> ] [ --extcap-config ] [ --capture ] [ --fifo=<path to file or pipe> ] [ --iue=<Should undecidable events be included> ] [ --etlfile=<etl file> ] [ --params=<filter parameters> ]


etwdump is a extcap tool that provides access to a etl file. It is only used to display event trace on Windows.



Print program arguments.


Print program version.


List available interfaces.


Use specified interfaces.


List DLTs of specified interface.


List configuration options of specified interface.


Start capturing from specified interface save saved it in place specified by --fifo.

--fifo=<path to file or pipe>

Save captured packet to file or send it through pipe.

--iue=<Should undecidable events be included>

Choose if the undecidable event is included.

--etlfile=<Etl file>

Select etl file to display in Wireshark.

--params=<filter parameters>

Input providers, keyword and level filters for the etl file and live session.


To see program arguments:

etwdump --help

To see program version:

etwdump --version

To see interfaces:

etwdump --extcap-interfaces

Example output

interface {value=etwdump}{display=ETW reader}

To see interface DLTs:

etwdump --extcap-interface=etwdump --extcap-dlts

Example output

dlt {number=1}{name=etwdump}{display=DLT_ETW}

To see interface configuration options:

etwdump --extcap-interface=etwdump --extcap-config

Example output

arg {number=0}{call=--etlfile}{display=etl file}{type=fileselect}{tooltip=Select etl file to display in Wireshark}{group=Capture}
arg {number=1}{call=--params}{display=filter parmeters}{type=string}{tooltip=Input providers, keyword and level filters for the etl file and live session}{group=Capture}
arg {number=2}{call=--iue}{display=Should undecidable events be included}{type=boolflag}{default=false}{tooltip=Choose if the undecidable event is included}{group=Capture}

To capture:

etwdump --extcap-interface etwdump --fifo=/tmp/etw.pcapng --capture --params "--p=Microsoft-Windows-Wmbclass-Opn --p=Microsoft-Windows-wmbclass --k=0xff --l=4"


To stop capturing CTRL+C/kill/terminate application.

See Also

wireshark(1), tshark(1), dumpcap(1), extcap(4)


etwdump is part of the Wireshark distribution.  The latest version of Wireshark can be found at

HTML versions of the Wireshark project man pages are available at


Original Author
Odysseus Yang L