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The max-latency value can make the histogram smaller, but not larger, we have a maximum of 22 buckets and specifying a max-latency that would require more buckets has no effect. Dynamically allocate the buckets and compute the bucket number from the max latency as (max-min) / range + 2 If the maximum is not specified, we still set the bucket number to 22 and compute the maximum accordingly. Fail if the maximum is smaller than min+range, this way we make sure we always have 3 buckets: those below min, those above max and one in the middle. Since max-latency is not available in log2 mode, always use 22 buckets. Signed-off-by: Gabriele Monaco <gmonaco@redhat.com> Link: https://lore.kernel.org/r/20250207080446.77630-1-gmonaco@redhat.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.