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As of today, the current tdc architecture creates one netns and uses it to run all tests. This assumption was embedded into the nsPlugin which carried over as how the tests were written. The tdc tests are by definition self contained and can, theoretically, run in parallel. Even though in the kernel they will serialize over the rtnl lock, we should expect a significant speedup of the total wall time for the entire test suite, which is hitting close to 1100 tests at this point. A first step to achieve this goal is to remove sharing of global resources like veth/dummy interfaces and the netns. In this patch we 'localize' these resources on a per test basis. Each test gets it's own netns, VETH/dummy interfaces. The resources are spawned in the pre_suite phase, where tdc will prepare all netns and interfaces for all tests. This is done in order to avoid concurrency issues with netns / interfaces spawning and commands using them. As tdc progresses, the resources are deleted after each test finishes executing. Tests that don't use the nsPlugin still run under the root namespace, but are now required to manage any external resources like interfaces. These cannot be parallelized as their definition doesn't allow it. On the other hand, when using the nsPlugin, tests don't need to create dummy/veth interfaces as these are handled already. Tested-by: Davide Caratti <dcaratti@redhat.com> Signed-off-by: Pedro Tammela <pctammela@mojatatu.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
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| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| 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 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.