<html>
    <head>
      <base href="https://llvm.org/bugs/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - lldb should use unix socket for communication with server on linux"
   href="https://llvm.org/bugs/show_bug.cgi?id=25086">25086</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>lldb should use unix socket for communication with server on linux
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>lldb
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>3.7
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>All Bugs
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>lldb-dev@lists.llvm.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>vrba@mixedrealities.no
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>As documented on the webpage, lldb on linux uses lldb-server even for local
debugging. It connects to this stub via loopback device. I believe it should
connect over a UNIX socket instead. (On Windows, named pipes are the
corresponding alternative.)

Explanation: For debugging a network protocol I have introduced packet loss on
the loopback device with the following command:

tc qdisc add dev lo root netem loss random 15

This introduces 15% packet loss and causes lldb to work EXTREMELY slowly
because its communication with the server stub is severely disrupted. It takes
ages to start debugging even a simple "hello world" program.</pre>
        </div>
      </p>
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