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If perf list is invoked with 'metricgroups' include the description unless it is invoked with flags to exclude it. Make the description of metricgroup dumping dependent on the desc flag in print_state as with metrics. Before: ``` $ perf list metricgroups List of pre-defined events (to be used in -e or -M): Metric Groups: Backend Bad BadSpec ... ``` After: ``` $ perf list metricgroups List of pre-defined events (to be used in -e or -M): Metric Groups: Backend [Grouping from Top-down Microarchitecture Analysis Metrics spreadsheet] Bad [Grouping from Top-down Microarchitecture Analysis Metrics spreadsheet] BadSpec ... ``` Signed-off-by: Ian Rogers <irogers@google.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/r/20240216192044.119897-1-irogers@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.