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9c556b7c3f
Trying to probe update_sd_lb_stats() using perf results in the below message in the kernel log: trace_kprobe: Could not probe notrace function _text This is because 'perf probe' specifies the kprobe location as an offset from '_text': $ sudo perf probe -D update_sd_lb_stats p:probe/update_sd_lb_stats _text+1830728 However, the error message is misleading and doesn't help convey the actual notrace function that is being probed. Fix this by looking up the actual function name that is being probed. With this fix, we now get the below message in the kernel log: trace_kprobe: Could not probe notrace function update_sd_lb_stats.constprop.0 Link: https://lore.kernel.org/all/20231214051702.1687300-1-naveen@kernel.org/ Signed-off-by: Naveen N Rao <naveen@kernel.org> Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> |
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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.