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Subject[PATCH 2/2] builddeb: parallelize debug module installation
Date
When building the dbg package, we use a large 'for module in $(find' loop that
can be easily parallelized by using 'find | xargs'. This patch modifies this
loop to use the later paradigm.

Signed-off-by: Chris J Arges <chris.j.arges@canonical.com>
---
scripts/package/builddeb | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index 88dbf23..d12d062 100755
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -152,16 +152,17 @@ if grep -q '^CONFIG_MODULES=y' $KCONFIG_CONFIG ; then
rmdir "$tmpdir/lib/modules/$version"
fi
if [ -n "$BUILD_DEBUG" ] ; then
- for module in $(find $tmpdir/lib/modules/ -name *.ko -printf '%P\n'); do
- module=lib/modules/$module
- mkdir -p $(dirname $dbg_dir/usr/lib/debug/$module)
+ find $tmpdir/lib/modules/ -name *.ko -printf '%P\n' | xargs -I {} sh -c '
+ mkdir -p $(dirname '"$dbg_dir"'/usr/lib/debug/lib/modules/$1);'"
# only keep debug symbols in the debug file
- $OBJCOPY --only-keep-debug $tmpdir/$module $dbg_dir/usr/lib/debug/$module
+ $OBJCOPY --only-keep-debug $tmpdir/lib/modules/{} \
+ $dbg_dir/usr/lib/debug/lib/modules/{};
# strip original module from debug symbols
- $OBJCOPY --strip-debug $tmpdir/$module
+ $OBJCOPY --strip-debug $tmpdir/lib/modules/{};
# then add a link to those
- $OBJCOPY --add-gnu-debuglink=$dbg_dir/usr/lib/debug/$module $tmpdir/$module
- done
+ $OBJCOPY --add-gnu-debuglink=$dbg_dir/usr/lib/debug/lib/modules/{} \
+ $tmpdir/lib/modules/{};
+ " -- {}
fi
fi

--
1.9.1


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