Hi, > LTTngTop is still work in progress and will remain that way for a long > time, but the version in the PPA (or in the master branch in git) is > perfectly usable for offline traces (traces recorded and replayed > through LTTngTop). > > The "live" branch is more experimental and requires patches in both > Babeltrace and Lttng-tools (all documented in the README-LIVE file), but > it worked at the time of Plumbers, I didn't have much time since then to > rebase the branches. > > I am waiting for the release of Lttng-tools 2.1 (currently in RC) before > merging those patches. After these patches are integrated, LTTngTop will > be able to work live without any modifications, so directly reading > traces in memory shared with the tracer.
Thanks for this info. Right now my interest is with the live streaming; we have a use case where the live streaming is really the only practical solution. Very roughly, would you expect the RC series to conclude this year, or (early) next year? > In the meantime we are working on replacing the "home made" state system > in LTTngTop with a more generic one (which will be used also in LTTV), > this will cleanup this part of the code and allow to store the state on > disk. So in a near future we will be able to only read the state instead > of the trace (once it has been generated), which will compress > significantly the amount of data we need to keep in order to access the > kind of statistics provided by LTTngTop. > > If you want to try LTTngTop, you can just install the package and follow > the man page to record a trace with the right contexts, it should work > as is. > > If you have any questions and/or feedback, please don't hesitate to ask. > > Thanks, > > Julien > > > On 08/10/12 05:57 PM, McDermott, Andrew wrote: >> I was wondering what the status of lttng top was. I'm happy to add the >> daily Ubuntu PPA and try it that way, or equally building from source. >> But, before I tread that route, are there any gotchas to be aware of. >> Is it still considered work-in-progress, etc. >> >> Thanks. >> >> >> >> _______________________________________________ >> lttng-dev mailing list >> [email protected] >> http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev _______________________________________________ lttng-dev mailing list [email protected] http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
