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13d58a6672
As a form of validation, it is a common practice to check the outputs of commands whether they contain expected patterns or match a certain regular expression. This output checking helper is designed to allow checking stderr output of perf commands for unexpected messages, while ignoring messages that are known to be harmless, e.g.: "Lowering default frequency rate to \d+\." "\d+ out of order events recorded." etc. Signed-off-by: Veronika Molnarova <vmolnaro@redhat.com> Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com> Cc: Ian Rogers <irogers@google.com> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/r/20240702110849.31904-10-vmolnaro@redhat.com Signed-off-by: Michael Petlan <mpetlan@redhat.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.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 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.