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Tejun Heo c201ea1578 sched_ext: Move event_stats_cpu into scx_sched
The event counters are going to become per scheduler instance. Move
event_stats_cpu into scx_sched.

- [__]scx_add_event() are updated to take @sch. While at it, add missing
  parentheses around @cnt expansions.

- scx_read_events() is updated to take @sch.

- scx_bpf_events() accesses scx_root under RCU read lock.

v2: - Replace stale scx_bpf_get_event_stat() reference in a comment with
      scx_bpf_events().

    - Trivial goto label rename.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Andrea Righi <arighi@nvidia.com>
Acked-by: Changwoo Min <changwoo@igalia.com>
History 2025-04-29 08:40:10 -10:00
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README

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.