On 13 Jan (16:39:47), Corey Minyard wrote: > I'm working on a feature to allow an lttng trace to be extracted from a > kernel coredump, and I'm wondering the best way to proceed. I've looked > at extracting from the existing data structures, but that would require > something to always have a trace file open and it looks more than a > little complicated. I was thinking instead of having a different trace > channel for configuring this coredump and some globals to point to the > various data structures. Would that be the best way to pursue this? Is > there a better way, perhaps?
Oh yes we do actually already have a way to do that :) Please see: https://git.lttng.org/?p=lttng-tools.git;a=tree;f=extras/core-handler;h=29ded89a71fd36e159d671ca1f405cea394f8683;hb=HEAD With the snapshot feature, it's quite easy to do that. Hope that helps you with what you are trying to achieve. Cheers! David > > Thanks, > > -corey > > _______________________________________________ > lttng-dev mailing list > [email protected] > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
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