haiku/docs/userguide/it/desktop-applets/processcontroller.html
Joachim Seemer bcbc6fda31 Updated user guide.
* Added Maciej Baluta's GCI work on NetworkStatus, PowerStatus and
  ProcessController with only minor changes.
* Created a page for Daniel Marth's GCI work, based on the wiki page at
  https://dev.haiku-os.org/wiki/SystemBinCommands
* Updated translations mostly for Japanese and Italian from the currently 
  running GCI tasks.

Thanks everyone!


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@39724 a95241bf-73f2-0310-859d-f6bbb57e9c96
2010-12-04 19:04:43 +00:00

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<div class="box-info">La traduzione di questa pagina non è stata completata. Per questo motivo le parti non tradotte sono visibili in inglese.</div>
<h2><img src="../../images/desktop-applets-images/processcontroller-icon_64.png" alt="processcontroller-icon_64.png" width="64" height="64" />ProcessController</h2>
<table summary="layout" border="0" cellspacing="0" cellpadding="2">
<tr><td>Deskbar:</td><td style="width:15px;"></td><td><span class="menu">Desktop Applets</span></td></tr>
<tr><td>Posizione:</td><td></td><td><span class="path">/boot/system/apps/ProcessController</span></td></tr>
<tr><td>Impostazioni:</td><td></td><td><i>none</i></td></tr>
</table>
<p><img src="../images/processcontroller-images/applet.png" alt="ProcessController applet" style="float:left;margin: 0 4em 0 0" />The primary task of ProcessController applet is to show CPU(s) activity and amount of used memory. It allows monitoring of individual processes, change their priority, and kill them if the program freezes. In multiprocessor environments it allows you to disable individual processors/cores. When <a href="../tracker.html"><span class="app">Tracker</span></a> or <a href="../deskbar.html"><span class="app">Deskbar</span></a> crashes you can run it again from ProcessController's menu.</p>
<p>Indicators on the left shows each CPU usage, while the bar on the right shows the memory consumption. Remember that the number of indicators depends on the number of processors in the computer.</p>
<p>If not yet running, launching ProcessController will ask if it should open in window mode or live in the Deskbar tray. In window mode you're able to resize the icon by resizing the window and use the <a href="../gui.html#replicants">Replicant</a> handle to drag it to the Desktop.<br />
Wherever it's installed, it's operated via a right-click context menu.<br />
To remove the applet again from your tray, uncheck <span class="menu">Live in the Deskbar</span> in its context menu.</p>
<h2>Quit an application</h2>
<div class="box-stop">Remember that closing an application can cause data loss and additionally the system may stop working reliably.</div>
<img src="../images/processcontroller-images/quit.png" alt="ProcessController - Quit an application" />
<p>To quit an application just choose it's name from the <span class="menu">Quit an application</span> menu. This is a clean way to close app, just like when you would click the close button. There are some teams that cannot be quitted this way, mostly system processes.</p>
<h2>Memory usage</h2>
<img src="../images/processcontroller-images/memory.png" alt="ProcessController - Memory usage" />
<div class="box-warning">Memory usage monitoring can be very inaccurate.</div>
<p>This menu allows you to monitor memory usage of different teams in your system. Next to the team's name there are two columns: first with memory amount reserved for write, while the second shows all memory including read-only space (shared libraries for example).</p>
<p>The first row <span class="menu">System resources &amp; caches...</span> shows total amount of memory used by system and all applications. The length of the blue bar is based on total physical memory in your computer. The next rows show memory used by each process. Please note that the length of the bar is based only on the used part of memory.</p>
<table>
<tbody>
<tr><td style="width:20px;height:20px;background:#1414E7"></td><td style="width:10px"></td><td>Memory used only by given application (with write access)</td></tr>
<tr><td style="height:20px;background:#A4A4F5"></td><td></td><td>Memory including read-only space (can be shared with other applications)</td></tr>
</tbody>
</table>
<h2>Threads and CPU usage</h2>
<img src="../images/processcontroller-images/priority.png" alt="ProcessController - Priority" />
<div class="box-stop">Everything in this menu can cause data loss and system instability.</div>
<p>This menu allows you to change thread priorities, kill processes or debug them.<br />
At the first level you see team names, when you click on it, you can kill the whole team. The dark-blue part of the bar is spent in kernel code, the light-blue part in user code, the green part in the idle thread(s). A bar completely filled with blue means that the team is using all processing power.<br />
At the second level there are particular threads. By clicking them you can debug or kill them. A bar completely filled with blue means that the thread is using completely one processor/core.<br />
The last level of the menu allows you to change a thread's priority.
</p>
<table>
<tbody>
<tr><td style="width:20px;height:20px;background:#1414E7"></td><td style="width:10px"></td><td>Kernel code</td></tr>
<tr><td style="height:20px;background:#A4A4F5"></td><td></td><td>User code</td></tr>
<tr><td style="height:20px;background:#6EBE6E"></td><td></td><td>Idle thread</td></tr>
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</table>
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