Re: [OE-core] [PATCH v3 0/3] Add bblock helper scripts

Alexandre Belloni
2023-07-29T22:44:26Z

Hello,

On 27/07/2023 15:56:09+0200, Julien Stephan wrote:
> Hi all,
>
> This is v3 from bblock script.
>

This doesn't apply cleanly on master, can you rebase?

Thanks!

> Improvement from v2:
> * Add a function in bb.cooker to compute task signatures
> * Replace the findSigInfo function by the new created one. This has the
> following advantages:
> * findSigInfo needs the task to be already built to get the siginfo
> file, meaning we cannot lock a recipe on a fresh build
> * we can now generate the signatures for all available task of a given
> recipe
> * Check if a given task is already locked. If so, don't duplicate
> entry in bblock.conf
>
> Limitations:
> * Needs to taint tasks that are locked, to display a warning
> * I may be still missing some checks on user input
> * Silently does nothing if given task doesn't exist
> * Silently does nothing when resetting a recipe that doesn't exist
>
> I did some tests using qemux86-64 and qemuarm but I may be missing some
> corner cases.
>
> Improvement from V1:
> * Signatures are now package architecture specific meaning that if you
> switch MACHINE, the lock sig will not be taken into account
> * I added the -r option to unlock recipes
> * I added a -d option to display the current bblock.conf
> * Added an include directive for conf/bblock.conf inside bitbake.conf
> * Added -t option to specify the tasks to lock/unlock
>
> Limitations:
> * I may be still missing some checks on user input
> * I need to find a way to get the list of tasks ( by default still lock
> only the do_compile for now, unless -t is specified)
> * Do not check if a particular recipe/task is already locked when trying
> to add lock. So entries may appear multiple times
> * We still need the signature of the tasks to be already computed before
> locking. Need to find a way to generate it if missing
>
> V2: https://lists.openembedded.org/g/openembedded-core/message/184697
> V1: https://lists.openembedded.org/g/openembedded-core/message/184584
>
> My branch is available here [1]
>
> Cheers
> Julien
>
> [1]: https://git.yoctoproject.org/poky-contrib/commit/?h=jstephan/bblock
>
> Julien Stephan (3):
> bitbake.conf: include bblock.conf
> bitbake: cooker: add a new function to retrieve task signatures
> scripts/bblock: add a script to lock/unlock recipes
>
> bitbake/lib/bb/command.py | 6 ++
> bitbake/lib/bb/cooker.py | 16 ++++
> bitbake/lib/bb/event.py | 8 ++
> meta/conf/bitbake.conf | 1 +
> scripts/bblock | 182 ++++++++++++++++++++++++++++++++++++++
> 5 files changed, 213 insertions(+)
> create mode 100755 scripts/bblock
>
> --
> 2.41.0

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--
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering