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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - kill-old-processes: Allows to specify on the environment of the bot a list of process that should be killed."
   href="https://bugs.webkit.org/show_bug.cgi?id=153483">153483</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>kill-old-processes: Allows to specify on the environment of the bot a list of process that should be killed.
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Unspecified
          </td>
        </tr>

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

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Tools / Tests
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>clopez&#64;igalia.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>bugs-noreply&#64;webkitgtk.org, lforschler&#64;apple.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>We are having an issue with the GTK+ bots because of <a class="bz_bug_link 
          bz_status_REOPENED "
   title="REOPENED - [GTK] Accessibility daemons are killing the bots"
   href="show_bug.cgi?id=127352">bug 127352</a> that is causing that thousands of at-spi-bus-launcher and dbus-daemon process remain open.

On r166798 I tried to workaround this by killing dbus-daemon on the script kill-old-processes that the bots run before any new build.
However this turned out to be problematic for the performance bots so it was reverted on r169343.

So, I think we still want to kill dbus-daemon (and maybe at-spi-bus-launcher) also on the test bots but not on the performance bots.

An idea to achieve this is to implement on kill-old-processes support for killing any task defined on a given environment variable.
This way the admin of each bot can set this variable accordingly</pre>
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      </p>
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