[lttng-dev] Is LTTng self-conscious?

Thibault, Daniel Daniel.Thibault at drdc-rddc.gc.ca
Thu Jul 14 21:10:46 UTC 2016


> De : Mathieu Desnoyers [mailto:mathieu.desnoyers at efficios.com] 
> Envoyé : 13 juillet 2016 13:44
>
> However, if we were to implement a "blocking" mode as an alternative to the
> "discard" and "overwrite" modes of lttng when dealing with buffer full conditions,
> we would need to be very cautious not to deadlock the system in such situation.
> With both "discard" and "overwrite" buffering strategies, we cannot cause system
> hang even in such extreme situations.
>
> Mathieu

   Couldn't lttng-untrack be used to fix this?  I was thinking of automatically untracking all instances of lttng-sessiond, lttng-consumerd, and lttng-runas.

Daniel U. Thibault, M.Sc.²

Informaticien scientifique, CME-PSC, Centre de recherches de Valcartier
Recherche et développement pour la défense Canada / Gouvernement du Canada
daniel.thibault at drdc-rddc.gc.ca / Tél: 418-844-4000x4245 Téléc: 418-844-4538
daniel.thibault at forces.gc.ca / Tél: 418-844-4000x4245 Téléc: 418-844-4538

Computer Scientist, MCCS-SPC, Valcartier Research Centre 
Defence Research and Development Canada / Government of Canada
daniel.thibault at drdc-rddc.gc.ca / Tel: 418-844-4000x4245 Fax: 418-844-4538
daniel.thibault at forces.gc.ca / Tel: 418-844-4000x4245 Fax: 418-844-4538

DRDC is an agency of the Department of National Defence / RDDC est une agence du ministère de la Défense nationale


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