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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-02-11 14:20:40 +0000 |
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| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-02-11 14:20:40 +0000 |
| commit | 75e67f05d4b97efc32d95b478ec1c1f959992a4b (patch) | |
| tree | 8cf471347f767130a152b249bafd7de1a6017757 /nuttx/Documentation | |
| parent | 4a62de545bf87610c2415218e144ddef4dd0e75c (diff) | |
| download | px4-nuttx-75e67f05d4b97efc32d95b478ec1c1f959992a4b.tar.gz px4-nuttx-75e67f05d4b97efc32d95b478ec1c1f959992a4b.tar.bz2 px4-nuttx-75e67f05d4b97efc32d95b478ec1c1f959992a4b.zip | |
Add logic to re-direct debug output to a sysloggin device
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4381 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/Documentation')
| -rw-r--r-- | nuttx/Documentation/NuttxPortingGuide.html | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/nuttx/Documentation/NuttxPortingGuide.html b/nuttx/Documentation/NuttxPortingGuide.html index 244f07538..4b562057d 100644 --- a/nuttx/Documentation/NuttxPortingGuide.html +++ b/nuttx/Documentation/NuttxPortingGuide.html @@ -3942,6 +3942,49 @@ build </ul> <p> + System Logging: +</p> +<ul> + <li> + <code>CONFIG_SYSLOG</code>: Enables general system logging support. + </li> + <p> + At present, the only system loggin device is a circular buffer in RAM. + If <code>CONFIG_SYSLOG</code> is selected, then these options are also available. + </p> + <li> + <code>CONFIG_RAMLOG</code>: Enables the RAM logging feature + </li> + <li> + <code>CONFIG_RAMLOG_CONSOLE</code>: Use the RAM logging device as a system console. + If this feature is enabled (along with <code>CONFIG_DEV_CONSOLE</code>), then all + console output will be re-directed to a circular buffer in RAM. This + is useful, for example, if the only console is a Telnet console. Then + in that case, console output from non-Telnet threads will go to the + circular buffer and can be viewed using the NSH 'dmesg' command. + </li> + <li> + <code>CONFIG_RAMLOG_SYSLOG</code>: Use the RAM logging device for the syslogging + interface. If this feature is enabled (along with <code>CONFIG_SYSLOG</code>), + then all debug output (only) will be re-directed to the circular + buffer in RAM. This RAM log can be view from NSH using the 'dmesg' + command. + </li> + <li> + <code>CONFIG_RAMLOG_NPOLLWAITERS</code>: The number of threads than can be waiting + for this driver on poll(). Default: 4 + </li> + <p> + If <code>CONFIG_RAMLOG_CONSOLE</code> or <code>CONFIG_RAMLOG_SYSLOG</code> is selected, then the + following may also be provided: + </p> + </li> + <li> + <code>CONFIG_RAMLOG_CONSOLE_BUFSIZE</code>: Size of the console RAM log. Default: 1024 + </li> +</ul> + +<p> Kernel build options: </p> <ul> |