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5f2e094ed2
The hitcount is treated specially in the histograms - since it's always expected to be there regardless of whether the user specified anything or not, it's always added as the first histogram value. Currently the code doesn't allow it to be added more than once as a value, which is inconsistent with all the other possible values. It would seem to be a pointless thing to want to do, but other features being added such as percent and graph modifiers don't work properly with the current hitcount restrictions. Fix this by allowing multiple hitcounts to be added. Link: https://lore.kernel.org/linux-trace-kernel/166610812248.56030.16754785928712505251.stgit@devnote2 Signed-off-by: Tom Zanussi <zanussi@kernel.org> Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Tested-by: Tom Zanussi <zanussi@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 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.