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e0401dce5e
The cgroup_hierarchical_stats selftest is complicated. It has to be, because it tests an entire workflow of recording, aggregating, and dumping cgroup stats. However, some of the complexity is unnecessary. The test now enables the memory controller in a cgroup hierarchy, invokes reclaim, measure reclaim time, THEN uses that reclaim time to test the stats collection and aggregation. We don't need to use such a complicated stat, as the context in which the stat is collected is orthogonal. Simplify the test by using a simple stat instead of reclaim time, the total number of times a process has ever entered a cgroup. This makes the test simpler and removes the dependency on the memory controller and the memory reclaim interface. Signed-off-by: Yosry Ahmed <yosryahmed@google.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: KP Singh <kpsingh@kernel.org> Link: https://lore.kernel.org/bpf/20220919175330.890793-1-yosryahmed@google.com |
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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.