<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta name="generator" content= "HTML Tidy for Linux/x86 (vers 1 September 2005), see www.w3.org"> <meta http-equiv="Content-Type" content= "text/html; charset=us-ascii"> <title>Chapter 20. Using the Proc Filesystem Interface</title> <meta name="generator" content="DocBook XSL Stylesheets V1.68.1"> <link rel="start" href="index.html" title= "NVIDIA Accelerated Linux Graphics Driver README and Installation Guide"> <link rel="up" href="installationandconfiguration.html" title= "Part I. Installation and Configuration Instructions"> <link rel="prev" href="flippingubb.html" title= "Chapter 19. Configuring Flipping and UBB"> <link rel="next" href="powermanagement.html" title= "Chapter 21. Configuring Power Management Support"> </head> <body> <div class="navheader"> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center">Chapter 20. Using the Proc Filesystem Interface</th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href= "flippingubb.html">Prev</a> </td> <th width="60%" align="center">Part I. Installation and Configuration Instructions</th> <td width="20%" align="right"> <a accesskey="n" href= "powermanagement.html">Next</a></td> </tr> </table> <hr></div> <div class="chapter" lang="en"> <div class="titlepage"> <div> <div> <h2 class="title"><a name="procinterface" id= "procinterface"></a>Chapter 20. Using the Proc Filesystem Interface</h2> </div> </div> </div> <p>You can use the /proc filesystem interface to obtain run-time information about the driver and any installed NVIDIA graphics cards.</p> <div class="variablelist"> <p class="title"><b>This information is contained in several files in /proc/driver/nvidia.</b></p> <dl> <dt><span class="term">/proc/driver/nvidia/version</span></dt> <dd> <p>Lists the installed driver revision and the version of the GNU C compiler used to build the Linux kernel module.</p> </dd> <dt><span class="term">/proc/driver/nvidia/warnings</span></dt> <dd> <p>The NVIDIA graphics driver tries to detect potential problems with the host system's kernel and warns about them using the kernel's printk() mechanism, typically logged by the system to <code class="filename">/var/log/messages</code>.</p> <p>Important NVIDIA warning messages are also logged to dedicated text files in this /proc directory.</p> </dd> <dt><span class= "term">/proc/driver/nvidia/gpus/domain:bus:device.function/information</span></dt> <dd> <p>Provide information about each of the installed NVIDIA graphics adapters (model name, IRQ, BIOS version, Bus Type). Note that the BIOS version is only available while X is running.</p> </dd> </dl> </div> <p></p> </div> <div class="navfooter"> <hr> <table width="100%" summary="Navigation footer"> <tr> <td width="40%" align="left"><a accesskey="p" href= "flippingubb.html">Prev</a> </td> <td width="20%" align="center"><a accesskey="u" href= "installationandconfiguration.html">Up</a></td> <td width="40%" align="right"> <a accesskey="n" href= "powermanagement.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top"> Chapter 19. Configuring Flipping and UBB </td> <td width="20%" align="center"><a accesskey="h" href= "index.html">Home</a></td> <td width="40%" align="right" valign="top"> Chapter 21. Configuring Power Management Support</td> </tr> </table> </div> </body> </html>
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