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Andrii Nakryiko says: ==================== Add generic benchmark runner framework which simplifies writing various performance benchmarks in a consistent fashion. This framework will be used in follow up patches to test performance of perf buffer and ring buffer as well. Patch #1 extracts parse_num_list to be re-used between test_progs and bench. Patch #2 adds generic runner implementation and atomic counter benchmarks to validate benchmark runner's behavior. Patch #3 implements test_overhead benchmark as part of bench runner. It also add fmod_ret BPF program type to a set of benchmarks. Patch #4 tests faster alternatives to set_task_comm() approach, tested in test_overhead, in search for minimal-overhead way to trigger BPF program execution from user-space on demand. v2->v3: - added --prod-affinity and --cons-affinity (Yonghong); - removed ringbuf-related options leftovers (Yonghong); - added more benchmarking results for test_overhead performance discrepancies; v1->v2: - moved benchmarks into benchs/ subdir (John); - added benchmark "suite" scripts (John); - few small clean ups, change defaults, etc. ==================== Signed-off-by: Alexei Starovoitov <ast@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.