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<h2><img src="../../images/desktop-applets-images/processcontroller-icon_64.png" alt="processcontroller-icon_64.png" width="64" height="64" />进程控制器</h2>
<table summary="layout" border="0" cellspacing="0" cellpadding="2">
<tr><td>桌面栏:</td><td style="width:15px;"></td><td><span class="menu">桌面小程序</span></td></tr>
<tr><td>位置:</td><td></td><td><span class="path">/boot/system/apps/ProcessController</span></td></tr>
<tr><td>设置:</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 1em 0 0" />进程控制器的主要任务是显示您的 CPU 的动态以及已用内存的情况。它允许对单独组的管理,其优先级的修改,并且当程序冻结时可以将其杀死。在多处理器的环境中,它也允许对某个处理器的禁用。当 Tracker 或者桌面栏崩溃时,您也可以从进程控制器中进行重启。</p>
<p>左边的指示器显示了每个CPU的使用情况而右边的进度条显示了内存的消耗情况。需要牢记的是指示器的数量依赖于计算机中处理器/内核的数量。</p>
<p>如果为运行时,启动进程控制器将会询问以窗口模式打开或驻留于桌面栏中。窗口模式中,您可以通过定义窗口来重定义显示条,然后使用 <a href="../gui.html#replicants">Replicant</a> 将其拖动到桌面。<br />
无论何时安装,它都可以通过右键菜单进行操作。<br />
为了从桌面栏中将其删除,可以在其右键菜单中取消对 <span class="menu">停靠于桌面栏</span> 的勾选。</p>
<h2>退出应用程序</h2>
<img src="../images/processcontroller-images/quit.png" alt="ProcessController - Quit an application" />
<p>为退出该应用,仅需从 <span class="menu">Quit an application</span> 菜单中选择器名称即可。还有一种关闭应用的较为简洁的方式,如点击其关闭按钮。需要注意的是,不要退出系统进程,如系统服务或后台进程。否则,您的系统将会停止运行。</p>
<h2>内存使用</h2>
<img src="../images/processcontroller-images/memory.png" alt="ProcessController - Memory usage" />
<p>对内存使用的管理可能相对不够精确。</p>
<p>该菜单允许您管理系统中不同组的内存使用情况。组名称旁边有两列:第一个显示了预留的可写入内存,而第二个显示了所有内存,包括只读空间(例如共享库)。</p>
<p>第一行 <i>System resources &amp; caches...</i> 显示了系统和所有应用所用的内存总量。蓝色进度条的长度基于您的计算机的所有物理内存。下一行显示了每个进程的内存使用。需要注意的是,进度条的长度仅基于内存实际已用的部分。 </p>
<table>
<tr><td style="width:20px;height:20px;background:#1414E7"></td><td style="width:10px"></td><td>给定程序(具有可写权限)的内存使用情况</td></tr>
<tr><td style="height:20px;background:#A4A4F5"></td><td></td><td>包含只读空间(可以和其他应用共享)的内存使用情况</td></tr>
</table>
<h2>线程和 CPU 使用</h2>
<p>该菜单允许您修改线程的优先级,杀死组以及进行相关的调试。</p>
<div class="box-stop">通过菜单中命令所做的修改将会深入系统,并且会导致数据的丢失以及系统的不稳定。请保证鼠标把持稳定。</div>
<img src="../images/processcontroller-images/priority.png" alt="ProcessController - Priority" />
<table>
<tr><td style="width:20px;height:20px;background:#1414E7"></td><td style="width:10px"></td><td>内核代码</td></tr>
<tr><td style="height:20px;background:#A4A4F5"></td><td></td><td>用户代码</td></tr>
<tr><td style="height:20px;background:#6EBE6E"></td><td></td><td>空闲线程</td></tr>
</table>
<p>首个级别中,您能够看到组名称。通过点击,您可以杀死整个组。进度条深蓝色的部分是内核代码的时间,浅蓝色的部分为用户代码,而绿色的部分则为空闲线程。完全显示为蓝色的进度条意味着该组正在使用所有的线程资源。</p>
<p>第二个级别显示了组的特定线程。通过点击,您可以调试或者杀死它。完全显示为蓝色的进度条意味着该线程在占用一个处理器/内核。</p>
<p>菜单中的最后一个级别允许您修改线程的优先级。请谨慎使用!一般来说,线程的优先级与其 CPU 使用情况相反。因此,其尝试申请的 CPU 时间越多,其优先级将越低。通常,不要对应用的优先级做改动;请联系其编写者,这是他的事。</p>
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