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Re: [tracecompass-dev] R: R: Question about VM tracing with LTTng and Virtual Machine Analysis inside TraceCompass
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Hi,
After consulting the lttng community, they suggested the error
you have is due to the lttng-ust master libraries being on the
system, as opposed to the ones for stable-2.12. And indeed I can
reproduce the output with lttng-ust master.
Make sure you compile the statedump-notifier-2.12 branch of
lttng-ust and that it is the only one installed on your system.
`ldconfig -p | grep liblttng` could show you the path to the
libraries that are installed.
Cheers,
Geneviève
On 2021-02-25 9:44 a.m., tracecompass
developer discussions wrote:
Hi
1- Did you first succeed in compiling the lttng upstream
`stable-2.12` branches in both projects? to confirm the errors
really come from the branch
Yes, both the projects do compile.
2- Did you run ./bootstrap && ./configure in
lttng-tools first? It adds new dependencies to udev, though
that does not seem to be the problem here.
Those files are only in lttng-tools
3- You compiled lttng-ust before the other 2?
Yes, I did
4- For lttng-modules, I think you have to have compiled and
installed the lttng-tools first
I tryed, but nothing changed
5- If you previously installed the lttng-* packages from your
distro's package manager, be sure to remove them, as there may
be clashes in libraries.
Thanks to this suggestion I discovered that I haven't deleted
all the libraries before; this resolved the problems encountered
and the lttng-modules installation succeeded, but for
lttng-tools we have new errors
https://pastebin.com/LD35RrHV
Thank you,
Emilio Bruno
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