<div dir="ltr"><br><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Nov 5, 2013 at 4:34 PM, Thibault, Daniel <span dir="ltr"><<a href="mailto:Daniel.Thibault@drdc-rddc.gc.ca" target="_blank">Daniel.Thibault@drdc-rddc.gc.ca</a>></span> wrote:<br>
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<p class="MsoNormal"><b><span lang="EN-CA" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">De :</span></b><span lang="EN-CA" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> <a href="mailto:jeremie.galarneau@gmail.com" target="_blank">jeremie.galarneau@gmail.com</a><br>
<b>Envoyé :</b> 5 novembre 2013 15:51<br>
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<u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-CA">On Thu, Oct 24, 2013 at 12:09 PM, Thibault, Daniel <</span><a href="mailto:Daniel.Thibault@drdc-rddc.gc.ca" target="_blank"><span lang="EN-CA">Daniel.Thibault@drdc-rddc.gc.ca</span></a><span lang="EN-CA">> wrote:<u></u><u></u></span></p>
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<p class="MsoNormal">-----Message d'origine-----<br>
Date: Wed, 23 Oct 2013 12:08:47 -0400<br>
From: J?r?mie Galarneau <<a href="mailto:jeremie.galarneau@efficios.com" target="_blank">jeremie.galarneau@efficios.com</a>><br>
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> diff --git a/doc/man/lttng.1 b/doc/man/lttng.1<br>
> [...]<u></u><u></u></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">> +All user-space applications instrumented with lttng-ust(3) will<br>
> automatically register to the session daemon. This feature gives you the<br>
> ability to list available traceable applications and tracepoints on a per user<br>
> basis. (See \fBlist\fP command).<u></u><u></u></p>
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Is this a statement of intent? LTTng 2.3.0's list command identifies user-space events by trace provider name, event name, and process ID, but not by user ID (in fact it doesn't even yet filter the kernel events out when one asks for 'list -u session';
see bug #654). And there is as yet no way to filter the 'lttng list' output by user ID (an optional argument for the -u option could do the trick).<span style="color:#1f497d"><u></u><u></u></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span lang="EN-CA"> Of course, listing available tracepoints is automatically per-user when using a local session daemon. </span>But if you're a member of the 'tracing' group, you'll deal exclusively with
the root daemon and won't have that choice.<u></u><u></u></p>
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<p class="MsoNormal"><span lang="EN-CA" style="color:#1f497d">> </span><span lang="EN-CA">I didn't change the meaning of the original sentence. It just means that "lttng list" will output the events registered to the user's corresponding session daemon.<span style="color:#1f497d"><u></u><u></u></span></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="color:#1f497d">></span><span lang="EN-CA"> Perhaps you can suggest a better phrasing?<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d">></span><u></u> <u></u></p>
<p class="MsoNormal"><span style="color:#1f497d">> </span>Jérémie<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
</div><p class="MsoNormal"><span lang="EN-CA"> How about this?<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-CA"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-CA">Each user-space application instrumented with lttng-ust(3) will automatically
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-CA">register with the root session daemon and its user session daemon. This allows
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-CA">each daemon to list the available traceable applications and tracepoints at
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-CA">any given moment (See the \fBlist\fP command).<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-CA"><u></u> </span></p></div></div></div></div></blockquote><div><br></div><div>Looks good to me.</div><div><br></div><div>Cheers,</div><div>Jérémie</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div lang="FR-CA" link="blue" vlink="purple"><div><div><div><p class="MsoNormal"><span lang="EN-CA"><u></u></span></p>
<p class="MsoNormal"><span lang="EN-CA">(There is no need to explain further the diff between the two daemons since the preceding paragraph in the man page already talks about co-existing session daemons)<u></u><u></u></span></p>
<div class="im">
<p class="MsoNormal"><span lang="EN-CA"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Consolas;color:#1f497d">Daniel U. Thibault<br>
Protection des systèmes et contremesures (PSC) | Systems Protection & Countermeasures (SPC)<br>
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</blockquote></div><br><br clear="all"><div><br></div>-- <br>Jérémie Galarneau<br>EfficiOS Inc.<br><a href="http://www.efficios.com" target="_blank">http://www.efficios.com</a>
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