Date: Thu, 26 Sep 2013 12:16:29 -0400 From: Julien Desfossez <[email protected]>
> When the consumer needs to read a subbuffer, it performs a get_subbuf > operation. If this operation succeeds, > the consumer has exclusive access to this subbuffer and so it can read it > safely. If it fails, it means the tracer is > currently using it and in the case of snapshots, the consumer will just skip > to the next one (up to the end > position it defined at the beginning of the snapshot). > > Julien Presumably the tracers also use get_subbuf, so what happens if they are refused access because the consumer got the sub-buffer first? Do they wait for the consumer to relinquish the sub-buffer, or do they skip ahead? Daniel U. Thibault Protection des systèmes et contremesures (PSC) | Systems Protection & Countermeasures (SPC) Cyber sécurité pour les missions essentielles (CME) | Mission Critical Cyber Security (MCCS) R & D pour la défense Canada - Valcartier (RDDC Valcartier) | Defence R&D Canada - Valcartier (DRDC Valcartier) 2459 route de la Bravoure Québec QC G3J 1X5 CANADA Vox : (418) 844-4000 x4245 Fax : (418) 844-4538 NAC : 918V QSDJ <http://www.travelgis.com/map.asp?addr=918V%20QSDJ> Gouvernement du Canada | Government of Canada <http://www.valcartier.drdc-rddc.gc.ca/> _______________________________________________ lttng-dev mailing list [email protected] http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
