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Knowing domain's level exactly can be useful when setting relax_domain_level or cpuset.sched_relax_domain_level Usage: cat /debug/sched/domains/cpu0/domain1/level to dump cpu0 domain1's level. SDM macro is not used because sd->level is 'int' and it would hide the type mismatch between 'int' and 'u32'. Signed-off-by: Vitalii Bursov <vitaly@bursov.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Tested-by: Dietmar Eggemann <dietmar.eggemann@arm.com> Acked-by: Vincent Guittot <vincent.guittot@linaro.org> Reviewed-by: Valentin Schneider <vschneid@redhat.com> Link: https://lore.kernel.org/r/9489b6475f6dd6fbc67c617752d4216fa094da53.1714488502.git.vitaly@bursov.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.