[lttng-dev] lttng snapshots and running traces

[Julien Desfossez]

Hello,

On 13-09-25 05:31 PM, Thibault, Daniel wrote:
>    Conversely, if the session daemon catches up to the consumer daemon during an 'lttng snapshot record' action, what happens?  Does the session daemon wait for the consumer to be done?  Does the session daemon force the consumer to wrap up prematurely?  (Assuming flight recorder mode, of course)
Already answered in my previous mail.

> 
>    If a snapshot session is in discard mode, am I right in supposing it just stops tracing once the buffers are full?  Does a record action "clear" the buffers for re-use then?
No, currently there is no way to clear the ring buffer for reuse, so
indeed in discard mode once the buffer is full, it stops recording
events. That is why we default to override mode (flight recorder) in
snapshot.

Thanks,

Julien

> 
> Daniel U. Thibault
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