Find all needed information about Dynamic Printk Support. Below you can see links where you can find everything you want to know about Dynamic Printk Support.
https://www.cateee.net/lkddb/web-lkddb/DYNAMIC_DEBUG.html
Dynamic debugging is controlled via the 'dynamic_debug/control' file, which is contained in the 'debugfs' filesystem. Thus, the debugfs filesystem must first be mounted before making use of this feature. We refer the control file as: <debugfs>/dynamic_debug/control. This file contains a list of the debug statements that can be enabled.
https://community.nxp.com/docs/DOC-335495
Oct 10, 2017 · The Linux Dynamic Debug allows the user to enable/disable debug messages on specific kernel drivers in run time, without the need of re-building the kernel to enable/disable debug message every time the user wants to change it. To enable the Linux dynamic debug, select the option "Enable dynamic printk() support" on Kernel menuconfig as following:
https://www.xilinx.com/video/soc/linux-printk-and-dynamic-debug.html
Learn how to configure and use Linux kernel printk features, including its dynamic debug feature. This enables selectively printing debug messages without recompiling the kernel.
https://training.ti.com/sites/default/files/docs/Kernel-Debug-Series-Part4-dynamic-debug.pdf
Debugging Embedded Linux Systems: Dynamic Debug Debugging Embedded Linux Training Series [ Part 4] ... Embedded Linux Training Series •Part 1: Linux/Kernel Overview •Part 2: Kernel Logging System Overview •Part 3: printk and Variations • Part 4: Dynamic Debug •Part 5: Locate Device Driver Source Code ... Enable dynamic printk() support .
https://elinux.org/Debugging_by_printing
For the early stages in the boot process, where no console is available yet, there is a special function named early_printk, this function writes directly to the VGA buffer or a serial line but otherwise works just like printk -- you have to enable this function by setting CONFIG_EARLY_PRINTK in your kernel config (make menuconfig -> Kernel ...
https://support.hp.com/us-en/topic/printscandoctor
Official HP Support homepage for the HP Print and Scan Doctor. Free software download to automate fixing support issues with HP printers and scanners.
https://www.kernel.org/doc/html/v4.11/admin-guide/dynamic-debug-howto.html
Dynamic debug is designed to allow you to dynamically enable/disable kernel code to obtain additional kernel information. Currently, if CONFIG_DYNAMIC_DEBUG is set, then all pr_debug() / dev_dbg() and print_hex_dump_debug() / print_hex_dump_bytes() calls can be dynamically enabled per-callsite.
https://www.touchdynamic.com/support/tech-support/
tech support information Touch Dynamic’s technicians are fully trained to diagnose and repair our product line to return your system to fully operational status. Send us your questions, we will be glad to provide you with the information you need about your Touch Dynamic system.
https://www.linux.org/threads/the-linux-kernel-configuring-the-kernel-part-22.9407/
Dec 08, 2013 · The printk() function can be made to print various debugging messages if this feature is enabled (Enable dynamic printk() support). “printk()” is a commonly discussed system call, so remember that it prints debugging messages about the kernel. Here is a Direct Memory Access (DMA) debugging driver (Enable debugging of DMA-API usage).
https://www.collabora.com/news-and-blog/blog/2017/03/13/kernel-debugging-with-qemu-overview-tools-available/
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