Richard Purdie 27f7ef2e44 bitbake: cooker: Avoid eventlog variable listing lockups
If the event log is enabled and parsing the metadata triggers log messages,
the event code and deadlock. Iterating the variables inside the event handling
code causes this. SOURCE_DATE_EPOCH triggers a python function which calls
bb.debug() and can trigger a lockup as one example.

Move the code around and add it to the BuildStarted events explictly. This
does mean runs without builds no longer get variables added to the eventlog
however we can look into a more targetted version of data if/as/where neded.

(Bitbake rev: 4135a617ae16d509362b5bf56378139cdc0876d2)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2023-11-27 22:52:08 +00:00
2023-11-21 21:34:04 +00:00
2023-11-08 11:00:09 +00:00
2023-11-21 21:34:04 +00:00
2021-07-19 18:07:21 +01:00
2023-10-19 11:31:13 +01:00

Poky

Poky is an integration of various components to form a pre-packaged build system and development environment which is used as a development and validation tool by the Yocto Project. It features support for building customised embedded style device images and custom containers. There are reference demo images ranging from X11/GTK+ to Weston, commandline and more. The system supports cross-architecture application development using QEMU emulation and a standalone toolchain and SDK suitable for IDE integration.

Additional information on the specifics of hardware that Poky supports is available in README.hardware. Further hardware support can easily be added in the form of BSP layers which extend the systems capabilities in a modular way. Many layers are available and can be found through the layer index.

As an integration layer Poky consists of several upstream projects such as BitBake, OpenEmbedded-Core, Yocto documentation, the 'meta-yocto' layer which has configuration and hardware support components. These components are all part of the Yocto Project and OpenEmbedded ecosystems.

The Yocto Project has extensive documentation about the system including a reference manual which can be found at https://docs.yoctoproject.org/

OpenEmbedded is the build architecture used by Poky and the Yocto project. For information about OpenEmbedded, see the OpenEmbedded website.

Contribution Guidelines

Please refer to our contributor guide here: https://docs.yoctoproject.org/dev/contributor-guide/ for full details on how to submit changes.

Where to Send Patches

As Poky is an integration repository (built using a tool called combo-layer), patches against the various components should be sent to their respective upstreams:

OpenEmbedded-Core (files in meta/, meta-selftest/, meta-skeleton/, scripts/):

BitBake (files in bitbake/):

Documentation (files in documentation/):

meta-yocto (files in meta-poky/, meta-yocto-bsp/):

If in doubt, check the openembedded-core git repository for the content you intend to modify as most files are from there unless clearly one of the above categories. Before sending, be sure the patches apply cleanly to the current git repository branch in question.

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