[lttng-dev] Test pid_ns in local build

[Polzer, Franz]

Hello,

I wanted to give the pid_ns context tracing a try and built LTTng from master, but I get the following error when applying this command:

lttng add-context -k -t procname -t pid -t vpid -t tid -t vtid -t pid_ns

Error: Unknown context type pid_ns

Maybe I need another branch to build from to get that feature in or forgot to enable the feature during building?

Where can I find documentation about the pid_ns tracing and how to test the current version of that implementation?

Thanks for your help and best regards,
Franz
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