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Bug #1418

open

Destroying an un-started session with a kernel event result in dmesg warnings

Added by Michael Jeanson about 2 months ago.

Status:
New
Priority:
Normal
Assignee:
-
Target version:
-
Start date:
10/25/2024
Due date:
% Done:

0%

Estimated time:

Description

With kernel tracing enabled, simply creating a session with a single event and destroying it without having started it like so:

lttng create mysession
lttng enable-event --kernel myevent
lttng destroy mysession

Wil result in many warnings in dmesg about non-consumed data, it's always 84 bytes which could match a packet header :

[  229.214608] LTTng: ring buffer relay-discard, cpu 15: non-consumed data
                 [ 84 bytes written, 0 bytes read ]

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