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+[[!meta copyright="Copyright © 2010, 2013 Free Software Foundation, Inc."]]
+
+[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable
+id="license" text="Permission is granted to copy, distribute and/or modify this
+document under the terms of the GNU Free Documentation License, Version 1.2 or
+any later version published by the Free Software Foundation; with no Invariant
+Sections, no Front-Cover Texts, and no Back-Cover Texts.  A copy of the license
+is included in the section entitled [[GNU Free Documentation
+License|/fdl]]."]]"""]]
+
+We don't have a `lsof` tool.  Perhaps we could cook something with having a
+look at which ports are open at the moment (as [[`portinfo`|hurd/portinfo]]
+does, for example)?
+
+
+# IRC, freenode, #hurd, 2013-10-16
+
+    <teythoon> braunr: there's something I've been working on, it's not yet
+      finished but usable
+    <teythoon> http://paste.debian.net/58266/
+    <teythoon> it graphs port usage
+    <teythoon> it's a bit heavy on the dependency-side though...
+    <braunr> but
+    <braunr> is it able to link rights from different ipc spaces ?
+    <teythoon> no
+    <teythoon> what do you mean exactly?
+    <braunr> know that send right 123 in task 1 refers to receive right 321 in
+      task 2
+    <braunr> basically, lsof
+    <braunr> i'm not sure it's possible right now, and that's what we'd really
+      need
+    <teythoon> does the kernel hand out this information?
+    <braunr> ^
+    <teythoon> right, I'm not sure it's possible either
+    <braunr> but a graph maker in less than 300 is cute :)
+    <braunr> 300 lines*
+    <teythoon> well, it leverages pymatplotlib or something, it needs half of
+      the pythonverse ;)
+    <braunr> lsof and pmap and two tools we really lack on the hurd
+    <teythoon> what does portinfo --translate=PID do?
+    <braunr> i guess it asks proc so that ports that refer to task actually
+      give useful info
+    <braunr> hml
+    <braunr> no
+    <braunr> doesn't make sense to give a pid in this case
+    <braunr> teythoon: looks like it does what we talked about
+    <teythoon> :)
+    <braunr> teythoon: the output looks a bit weird anyway, i think we need to
+      look at the code to be sure
+    <teythoon> braunr: this is what aptitude update looks like:
+      https://teythoon.cryptobitch.de/portmonitor/aptitude_portmonitor.svg