Difference between revisions of "Debugging by printing"
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Peter Huewe (Talk | contribs) (added some ideas/material) |
Peter Huewe (Talk | contribs) m (formatting) |
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* pr_warn and family - see printk.h for details | * pr_warn and family - see printk.h for details | ||
| − | Examples - maybe use example module. | + | * Examples - maybe use example module. |
References | References | ||
| − | Linux Kernel Development 3rd Edition | + | * Linux Kernel Development 3rd Edition |
| − | Essential Device Drivers | + | * Essential Device Drivers |
Links: | Links: | ||
| − | http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=Documentation/printk-formats.txt;hb=HEAD | + | * http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=Documentation/printk-formats.txt;hb=HEAD |
| − | http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=Documentation/dynamic-debug-howto.txt;hb=HEAD | + | * http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=Documentation/dynamic-debug-howto.txt;hb=HEAD |
Revision as of 19:40, 14 June 2011
Note: This article is currently only a draft and is a part of a series of articles I'm going to publish the next few months - if you want to contribute to it, please feel free to. However it would be nice if you could coordinate your efforts with me
What this article will be about - ideas
- printk format
- Debug/log levels - dmesg -n /proc/sys/kernel/printk
- printk_ratelimited
- dynamic debug, pr_debug and dev_dbg
- pr_warn and family - see printk.h for details
- Examples - maybe use example module.
References
- Linux Kernel Development 3rd Edition
- Essential Device Drivers
Links:
