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4d2eefd7fb
The perf.data file may contain a bpf_prog_info or bpf_btf feature. If the contents of these are empty then nothing is displayed. Rather than display nothing and not account for the file space, display an empty message. Signed-off-by: Ian Rogers <irogers@google.com> Link: https://lore.kernel.org/r/20250617223356.2752099-4-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.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 reStructuredText 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.