Re: [PATCH 00/23] remove old kernel-ci and enhance reboot-limit

[Chuck Lever <cel@kernel.org>]

On 8/11/25 6:24 PM, Luis Chamberlain wrote:
> The CONFIG_KERNEL_CI thing was used back in the hay day before we
> adopted fstests SOAK_DURATION. Although CONFIG_KERNEL_CI proved useful
> to test fstests in a loop -- the only reasonable way to scale is to just
> embrace SOAK_DURATION and extend any twitches we need within fstests.
> 
> However only one workflow uses CONFIG_KERNEL_CI still. So move that
> functionality directly into the reboot-limit workflow which uses it.
> While at it, as a drive by, let's enhance the reboot limit workflow with
> kexec and also graphing capabilities allowing us to do A/B testing for
> reboots and kexec regression testings.
> 
> The rationale for this work si to help fix any misunderatandings on what
> kdevops's kernel CI support consists of, and CONFIG_KERNEL_CI certainly
> was not it. It's evolved now to just the kdevops kernel-ci repo and the
> the .ci/ symlinks, along with optional kernel-kpd trees for subsystems.
> 
> Luis Chamberlain (23):
>   fstests: remove CONFIG_KERNEL_CI support
>   fstests: remove kernel-ci script symlinks
>   blktests: remove CONFIG_KERNEL_CI support
>   gitr: remove CONFIG_KERNEL_CI support
>   ltp: remove CONFIG_KERNEL_CI support
>   nfstest: remove CONFIG_KERNEL_CI support
>   pynfs: remove CONFIG_KERNEL_CI support
>   reboot-limit: convert CONFIG_KERNEL_CI to internal loop feature
>   kconfig: remove CONFIG_KERNEL_CI infrastructure
>   scripts: remove kernel-ci loop infrastructure
>   reboot-limit: simplify what gets selected
>   reboot-limit: add graph visualization support for results
>   reboot-limit: save graphs in organized results/graphs directory
>   docs: add comprehensive reboot-limit workflow documentation
>   reboot-limit: add kexec-tools dependency installation
>   reboot-limit: add A/B testing support targets
>   reboot-limit: fix kexec and reboot connection handling
>   reboot-limit: add COUNT parameter to override reboot count
>   reboot-limit: fix wait_for tasks using wrong host reference
>   reboot-limit: use ansible reboot module for all reboot types
>   reboot-limit: fix COUNT parameter to properly override reboot count
>   reboot-limit: handle empty dev group gracefully
>   reboot-limit: add kexec comparison feature
> 
>  README.md                                     |  19 +-
>  defconfigs/kernel-testing                     |   1 -
>  defconfigs/reboot-limit                       |  31 +
>  defconfigs/reboot-limit-compare               |  36 ++
>  defconfigs/reboot-limit-kexec                 |  32 +
>  docs/fstests.md                               |  13 +-
>  docs/images/reboot_limit_example.png          | Bin 0 -> 735262 bytes
>  docs/reboot-limit.md                          | 223 +++++++
>  kconfigs/Kconfig.kdevops                      |   3 -
>  kconfigs/Kconfig.kernel-ci                    | 170 -----
>  playbooks/roles/gen_hosts/tasks/main.yml      |  13 +
>  playbooks/roles/gen_hosts/templates/hosts.j2  |  55 +-
>  playbooks/roles/gen_nodes/tasks/main.yml      |  32 +
>  .../reboot-limit/tasks/do-reboot-compare.yml  | 126 ++++
>  .../roles/reboot-limit/tasks/do-reboot.yml    |  98 ++-
>  .../reboot-limit/tasks/handle-reboot-data.yml |  94 +++
>  .../tasks/install-deps/debian/main.yml        |  10 +
>  .../reboot-limit/tasks/install-deps/main.yml  |  12 +
>  .../tasks/install-deps/redhat/main.yml        |  10 +
>  .../tasks/install-deps/suse/main.yml          |  10 +
>  playbooks/roles/reboot-limit/tasks/main.yml   |  88 ++-
>  scripts/workflows/blktests/run_kernel_ci.sh   |   1 -
>  .../workflows/blktests/run_kernel_ci_kotd.sh  |   1 -
>  scripts/workflows/blktests/run_loop.sh        |  66 --
>  .../demos/reboot-limit/analyze_results.py     | 609 ++++++++++++++++++
>  .../reboot-limit/generate_sample_data.py      |  73 +++
>  .../demos/reboot-limit/run_kernel_ci.sh       |   1 -
>  .../demos/reboot-limit/run_kernel_ci_kotd.sh  |   1 -
>  .../workflows/demos/reboot-limit/run_loop.sh  |  23 +-
>  .../demos/reboot-limit/run_loop_kotd.sh       |  25 +
>  scripts/workflows/fstests/run_kernel_ci.sh    |   1 -
>  .../workflows/fstests/run_kernel_ci_kotd.sh   |   1 -
>  scripts/workflows/fstests/run_loop.sh         |  98 ---
>  scripts/workflows/generic/run_kernel_ci.sh    | 295 ---------
>  scripts/workflows/gitr/run_kernel_ci.sh       |   1 -
>  scripts/workflows/gitr/run_kernel_ci_kotd.sh  |   1 -
>  scripts/workflows/gitr/run_loop.sh            |  58 --
>  scripts/workflows/kotd/run_kernel_ci_kotd.sh  | 107 ---
>  scripts/workflows/ltp/run_kernel_ci.sh        |   1 -
>  scripts/workflows/ltp/run_kernel_ci_kotd.sh   |   1 -
>  scripts/workflows/ltp/run_loop.sh             |  58 --
>  scripts/workflows/nfstest/run_kernel_ci.sh    |   1 -
>  .../workflows/nfstest/run_kernel_ci_kotd.sh   |   1 -
>  scripts/workflows/nfstest/run_loop.sh         |  58 --
>  scripts/workflows/pynfs/run_kernel_ci.sh      |   1 -
>  scripts/workflows/pynfs/run_kernel_ci_kotd.sh |   1 -
>  scripts/workflows/pynfs/run_loop.sh           |  79 ---
>  workflows/blktests/Makefile                   |  13 -
>  workflows/demos/reboot-limit/Kconfig          |  64 +-
>  workflows/demos/reboot-limit/Makefile         | 117 +++-
>  workflows/fstests/Makefile                    |  14 -
>  workflows/gitr/Makefile                       |  19 -
>  workflows/ltp/Makefile                        |  19 -
>  workflows/nfstest/Makefile                    |  19 -
>  workflows/pynfs/Makefile                      |  26 -
>  55 files changed, 1737 insertions(+), 1193 deletions(-)
>  create mode 100644 defconfigs/reboot-limit
>  create mode 100644 defconfigs/reboot-limit-compare
>  create mode 100644 defconfigs/reboot-limit-kexec
>  create mode 100644 docs/images/reboot_limit_example.png
>  create mode 100644 docs/reboot-limit.md
>  delete mode 100644 kconfigs/Kconfig.kernel-ci
>  create mode 100644 playbooks/roles/reboot-limit/tasks/do-reboot-compare.yml
>  create mode 100644 playbooks/roles/reboot-limit/tasks/handle-reboot-data.yml
>  create mode 100644 playbooks/roles/reboot-limit/tasks/install-deps/debian/main.yml
>  create mode 100644 playbooks/roles/reboot-limit/tasks/install-deps/main.yml
>  create mode 100644 playbooks/roles/reboot-limit/tasks/install-deps/redhat/main.yml
>  create mode 100644 playbooks/roles/reboot-limit/tasks/install-deps/suse/main.yml
>  delete mode 120000 scripts/workflows/blktests/run_kernel_ci.sh
>  delete mode 120000 scripts/workflows/blktests/run_kernel_ci_kotd.sh
>  delete mode 100755 scripts/workflows/blktests/run_loop.sh
>  create mode 100755 scripts/workflows/demos/reboot-limit/analyze_results.py
>  create mode 100755 scripts/workflows/demos/reboot-limit/generate_sample_data.py
>  delete mode 120000 scripts/workflows/demos/reboot-limit/run_kernel_ci.sh
>  delete mode 120000 scripts/workflows/demos/reboot-limit/run_kernel_ci_kotd.sh
>  create mode 100755 scripts/workflows/demos/reboot-limit/run_loop_kotd.sh
>  delete mode 120000 scripts/workflows/fstests/run_kernel_ci.sh
>  delete mode 120000 scripts/workflows/fstests/run_kernel_ci_kotd.sh
>  delete mode 100755 scripts/workflows/fstests/run_loop.sh
>  delete mode 100755 scripts/workflows/generic/run_kernel_ci.sh
>  delete mode 120000 scripts/workflows/gitr/run_kernel_ci.sh
>  delete mode 120000 scripts/workflows/gitr/run_kernel_ci_kotd.sh
>  delete mode 100755 scripts/workflows/gitr/run_loop.sh
>  delete mode 100755 scripts/workflows/kotd/run_kernel_ci_kotd.sh
>  delete mode 120000 scripts/workflows/ltp/run_kernel_ci.sh
>  delete mode 120000 scripts/workflows/ltp/run_kernel_ci_kotd.sh
>  delete mode 100755 scripts/workflows/ltp/run_loop.sh
>  delete mode 120000 scripts/workflows/nfstest/run_kernel_ci.sh
>  delete mode 120000 scripts/workflows/nfstest/run_kernel_ci_kotd.sh
>  delete mode 100755 scripts/workflows/nfstest/run_loop.sh
>  delete mode 120000 scripts/workflows/pynfs/run_kernel_ci.sh
>  delete mode 120000 scripts/workflows/pynfs/run_kernel_ci_kotd.sh
>  delete mode 100755 scripts/workflows/pynfs/run_loop.sh
> 

Reviewed-by: Chuck Lever <chuck.lever@oracle.com>


-- 
Chuck Lever