[PATCH v3] devtools: parallelize ABI check

[Bruce Richardson]

On Wed, Jan 11, 2023 at 02:16:52PM +0100, Thomas Monjalon wrote:
> Generation and comparison of ABI dumps are done on multiple cores
> thanks to xargs -P0.
> It can accelerate this long step by 5 in my tests.
> 
> xargs reports a global error if one of the process has an error.
> 
> Running a shell function with xargs requires to export it with -f,
> and that is a specific capability of bash.
> 
Commit-log needs update based on changes in v3.

> Signed-off-by: Thomas Monjalon <thomas at monjalon.net>
> Tested-by: Ferruh Yigit <ferruh.yigit at amd.com>
> ---
> v2:
> 	- find dump2 inside the function
> 	- force bash because of export -f
> v3:
> 	- revert to POSIX sh
> 	- use POSIX eval instead of export -f (issues on Ubuntu)
> ---
>  devtools/check-abi.sh | 21 +++++++++++++--------
>  devtools/gen-abi.sh   |  5 +++--
>  2 files changed, 16 insertions(+), 10 deletions(-)