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In the case of keeping the system running, the preferred method for tracing the kernel is dynamic tracing (kprobe), but the drawback of this method is that events are lost, especially when tracing packages in the network stack. Livepatching provides a potential solution, which is to reimplement the function you want to replace and insert a static tracepoint. In such a way, custom stable static tracepoints can be expanded without rebooting the system. Link: https://lkml.kernel.org/r/20221102160236.11696-1-iecedge@gmail.com Signed-off-by: Jianlin Lv <iecedge@gmail.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.