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List:       freedesktop-dbus
Subject:    Re: OpenTelemetry tracing of Dbus calls
From:       Umut Tezduyar Lindskog <umut () tezduyar ! com>
Date:       2023-02-01 8:01:36
Message-ID: CAFKnvs6qj3-p1VxuyOTC4e_=qYES4AEtuy7sv3a0ySu7-uNrsA () mail ! gmail ! com
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Hi Ralf. Thanks for your work.

I have not used lttng extensively. Do these debug logs have some kind of
correlation between them to follow a journey of a dbus call or? While you
are implementing, if you have tried it out with LTTNG, it would be very
nice to see some screenshots.

Thank you
Umut


On Tue, Jan 31, 2023 at 9:14 AM Ralf Habacker <ralf.habacker@freenet.de>
wrote:

> Am 12.01.23 um 11:57 schrieb Ralf Habacker:
> > Am 30.11.22 um 08:53 schrieb Umut Tezduyar Lindskog:
> >> PIs. Is there a way to hook in lttng or eBPF to dbus protocol (or to
> >> the daemon) and convert their signals to OpenTelemetry traces?
> >
> > Currently this is not available by default, you need to patch the dbus
> > sources to add the appropriate support.
>
> See https://gitlab.freedesktop.org/dbus/dbus/-/merge_requests/390 for an
> initial implementation.
>
> Regards
>
> Ralf
>

[Attachment #3 (text/html)]

<div dir="ltr">Hi Ralf. Thanks for your work.  <div><br></div><div>I have not used \
lttng extensively. Do these debug logs have some kind of correlation  between them to \
follow a journey of a dbus call or? While you are implementing, if you have tried it \
out with LTTNG, it would be very nice to see some screenshots.  \
</div><div><br></div><div>Thank you</div><div>Umut</div><div><br></div></div><br><div \
class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Jan 31, 2023 at 9:14 AM \
Ralf Habacker &lt;<a \
href="mailto:ralf.habacker@freenet.de">ralf.habacker@freenet.de</a>&gt; \
wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px \
0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex">Am \
12.01.23 um 11:57 schrieb Ralf Habacker:<br> &gt; Am 30.11.22 um 08:53 schrieb Umut \
Tezduyar Lindskog:<br> &gt;&gt; PIs. Is there a way to hook in lttng or eBPF to dbus \
protocol (or to <br> &gt;&gt; the daemon) and convert their signals to OpenTelemetry \
traces?<br> &gt; <br>
&gt; Currently this is not available by default, you need to patch the dbus <br>
&gt; sources to add the appropriate support.<br>
<br>
See <a href="https://gitlab.freedesktop.org/dbus/dbus/-/merge_requests/390" \
rel="noreferrer" target="_blank">https://gitlab.freedesktop.org/dbus/dbus/-/merge_requests/390</a> \
for an <br> initial implementation.<br>
<br>
Regards<br>
<br>
Ralf<br>
</blockquote></div>



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