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. Signed-off-by: Thomas Monjalon <tho...@monjalon.net> --- devtools/check-abi.sh | 33 ++++++++++++++++++++------------- devtools/gen-abi.sh | 5 +++-- 2 files changed, 23 insertions(+), 15 deletions(-) diff --git a/devtools/check-abi.sh b/devtools/check-abi.sh index c583eae2fd..e2fa49217d 100755 --- a/devtools/check-abi.sh +++ b/devtools/check-abi.sh @@ -34,19 +34,10 @@ else ABIDIFF_OPTIONS="$ABIDIFF_OPTIONS --headers-dir2 $incdir2" fi -error= -for dump in $(find $refdir -name "*.dump"); do - name=$(basename $dump) - dump2=$(find $newdir -name $name) - if [ -z "$dump2" ] || [ ! -e "$dump2" ]; then - echo "Error: cannot find $name in $newdir" >&2 - error=1 - continue - fi - abidiff $ABIDIFF_OPTIONS $dump $dump2 || { +run_diff() { # <dump1> <dump2> + abidiff $ABIDIFF_OPTIONS $1 $2 || { abiret=$? - echo "Error: ABI issue reported for 'abidiff $ABIDIFF_OPTIONS $dump $dump2'" >&2 - error=1 + echo "Error: ABI issue reported for 'abidiff $ABIDIFF_OPTIONS $1 $2'" >&2 echo if [ $(($abiret & 3)) -ne 0 ]; then echo "ABIDIFF_ERROR|ABIDIFF_USAGE_ERROR, this could be a script or environment issue." >&2 @@ -58,7 +49,23 @@ for dump in $(find $refdir -name "*.dump"); do echo "ABIDIFF_ABI_INCOMPATIBLE_CHANGE, this change breaks the ABI." >&2 fi echo + return $abiret } -done +} +export -f run_diff + +error= +for dump in $(find $refdir -name "*.dump"); do + name=$(basename $dump) + dump2=$(find $newdir -name $name) + if [ -z "$dump2" ] || [ ! -e "$dump2" ]; then + echo "Error: cannot find $name in $newdir" >&2 + error=1 + continue + fi + echo $dump $dump2 +done | +xargs -n2 -P0 sh -c 'run_diff $0 $1' || +error=1 [ -z "$error" ] || [ -n "$warnonly" ] diff --git a/devtools/gen-abi.sh b/devtools/gen-abi.sh index f15a3b9aaf..61f7510ea1 100755 --- a/devtools/gen-abi.sh +++ b/devtools/gen-abi.sh @@ -22,5 +22,6 @@ for f in $(find $installdir -name "*.so.*"); do fi libname=$(basename $f) - abidw --out-file $dumpdir/${libname%.so*}.dump $f -done + echo $dumpdir/${libname%.so*}.dump $f +done | +xargs -n2 -P0 abidw --out-file -- 2.39.0