2014-09-17 19:36 GMT+02:00 Julien Desfossez <[email protected]>: > > > For now, there is no easy way to extract the trace data directly from > the memory. There are old prototypes and ideas to create a consumerd > that can process the traces in memory but nothing in the mainline. I'm > currently working on ideas around this area but nothing solid yet. > > So yes for now, the traces (live or snapshots) must be written on disk > before being available to a viewer. > > If space is the problem (especially for the live mode), you can have a > look at the -C and -W options of the "lttng enable-channel" command. > They allow you to limit the maximum disk space that a trace can occupy. > If the problem is the disk I/O, I suggest for now to have a dedicated > disk to store the traces or extract them on the network. > Finally, if the problem is the latency between the event produced and > available to the viewer (and a lower footprint on the system), there is > no easy solution there for now.
Thanks for your answer, that's all I wanted to know. -- Elie Abi Saad _______________________________________________ lttng-dev mailing list [email protected] http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
