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GenerateTraffic was added to spin up long-running iperf3 load, mainly to drive high PPS background traffic. It was never meant to provide stable throughput numbers, and trying to repurpose it for measurement does not make sense. Introduce Iperf3Runner to allow tests to split out server/client configuration, control start/stop, and collect JSON output for analysis. This makes it possible to measure bandwidth directly when validating egress shaping. GenerateTraffic stays as the background load generator, reusing the common iperf3 helpers under the hood. Signed-off-by: Carolina Jubran <cjubran@nvidia.com> Reviewed-by: Cosmin Ratiu <cratiu@nvidia.com> Reviewed-by: Nimrod Oren <noren@nvidia.com> Link: https://patch.msgid.link/20251130091938.4109055-3-cjubran@nvidia.com Signed-off-by: Jakub Kicinski <kuba@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 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.