[lttng-dev] Add pid context to UST events

[Bernd Hufmann]

Thanks

On Fri, Jun 1, 2012 at 1:14 PM, Mathieu Desnoyers
<mathieu.desnoyers at efficios.com> wrote:
> * Bernd Hufmann (bhufmann at gmail.com) wrote:
>> Hi Mathieu
>>
>> This is an important information. Is this documented?
>> The Eclipse implementation of the Trace Control doesn't support that.
>> It also uses "-t pid" for UST.
>> Could you please list all the differences for contexts name for UST?
>> Maybe I can squeeze in a fix
>> before the Eclipse Juno release.
>
> Sure. The contexts supported by LTTng-UST 2.0 are:
>
> procname, pthread_id, vpid, vtid
>
> Thanks,
>
> Mathieu
>
>>
>> Thanks
>> Bernd
>>
>>
>> On Fri, Jun 1, 2012 at 11:53 AM, Mathieu Desnoyers
>> <mathieu.desnoyers at efficios.com> wrote:
>> > * Francis Giraldeau (francis.giraldeau at gmail.com) wrote:
>> >> Hi,
>> >>
>> >> I tried to add pid context to UST events to distinguish events from
>> >> multiple processes. I do have this error:
>> >>
>> >> $ lttng create bidon
>> >> Session bidon created.
>> >> Traces will be written in /home/francis/lttng-traces/bidon-20120601-142031
>> >>
>> >> $ lttng enable-event -a -u
>> >> All UST events are enabled in channel channel0
>> >>
>> >> $ lttng add-context -u -t pid
>> >> Error: pid: UST invalid context
>> >> Warning: Some command(s) went wrong
>> >>
>> >> Am I doing something wrong?
>> >
>> > lttng add-context -u -t vpid
>> >
>> > should do it. (notice the "v").
>> >
>> > Eventually we should implement something that looks like a
>> >
>> > lttng list -u --context
>> >
>> > to list the per-domain contexts available.
>> >
>> > Thanks,
>> >
>> > Mathieu
>> >
>> >>
>> >> Thanks!
>> >>
>> >> Francis
>> >>
>> >
>> >
>> >
>> >> _______________________________________________
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>> >> lttng-dev at lists.lttng.org
>> >> http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
>> >
>> >
>> > --
>> > Mathieu Desnoyers
>> > Operating System Efficiency R&D Consultant
>> > EfficiOS Inc.
>> > http://www.efficios.com
>> >
>> > _______________________________________________
>> > lttng-dev mailing list
>> > lttng-dev at lists.lttng.org
>> > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
>
> --
> Mathieu Desnoyers
> Operating System Efficiency R&D Consultant
> EfficiOS Inc.
> http://www.efficios.com