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test_cpu.c includes testcases that validate the cgroup cpu controller. This patch adds a new testcase called test_cpucg_stats() that verifies the expected behavior of the cpu.stat interface. In doing so, we define a new hog_cpus_timed() function which takes a cpu_hog_func_param struct that configures how many CPUs it uses, and how long it runs. Future patches will also spawn threads that hog CPUs, so this function will eventually serve those use-cases as well. Signed-off-by: David Vernet <void@manifault.com> Signed-off-by: Tejun Heo <tj@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.