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Add testing to show that a pmu event can be filtered with a generalized match on it's unit mask. These tests set up test cases to demonstrate various ways of filtering a pmu event that has multiple unit mask values. It does this by setting up the filter in KVM with the masked events provided, then enabling three pmu counters in the guest. The test then verifies that the pmu counters agree with which counters should be counting and which counters should be filtered for both a sparse filter list and a dense filter list. Signed-off-by: Aaron Lewis <aaronlewis@google.com> Link: https://lore.kernel.org/r/20221220161236.555143-8-aaronlewis@google.com Signed-off-by: Sean Christopherson <seanjc@google.com>
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.