Unterschiede

Hier werden die Unterschiede zwischen zwei Versionen angezeigt.

--- programming:start [2023/06/08 17:06] – Externe Bearbeitung 127.0.0.1
+++ programming:start [2023/08/25 19:11] – [Linux] frank
@@ Zeile 36: / Zeile 36: @@
 === debugging ===
+== Using dynamic debug ==
+Add options:
+  CONFIG_DYNAMIC_DEBUG=y
+  CONFIG_DEBUG_FS=y
+And enable it from userspace (here all for network drivers):
+  echo "file drivers/net/* +p"> /sys/kernel/debug/dynamic_debug/control
+== Manual by adding new messages ==
   printk(KERN_ALERT "DEBUG: Passed %s %d val:0x%0x\n",__FUNCTION__,__LINE__,(unsigned int)val);