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Add script for performing compilation size regression investigations. #15303

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merged 8 commits into from
Nov 26, 2021
Merged

Add script for performing compilation size regression investigations. #15303

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4316d04
Add script for performing compilation size regression investigations.
tzarc Nov 25, 2021
e6e0b2d
Print deltas
tzarc Nov 26, 2021
f74fa46
Correct scoping.
tzarc Nov 26, 2021
e85f665
Concurrency control
tzarc Nov 26, 2021
7443123
Job count control, skip zeros (unless no build output), fix usage.
tzarc Nov 26, 2021
17ab14a
Add usage under -h arg.
tzarc Nov 26, 2021
472a32d
Updated usage output.
tzarc Nov 26, 2021
653c353
Copyright header.
tzarc Nov 26, 2021
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Job count control, skip zeros (unless no build output), fix usage.
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@tzarc
tzarc committed Nov 26, 2021
commit 74431238419d9520dc12037bd04cf76f9fcf4bc5
21 changes: 13 additions & 8 deletions util/size_regression.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -6,30 +6,33 @@ job_count=$(getconf _NPROCESSORS_ONLN 2>/dev/null || sysctl -n hw.ncpu 2>/dev/nu
source_ref="0.11.0"
dest_ref="develop"
ignore_ref="master"
unset skip_zero

function usage() {
echo "Usage: $(basename "$0") [-s <source>] [-d <dest>] [-u] planck/rev6:default"
echo "Usage: $(basename "$0") [-j <jobs>] [-s <source>] [-d <dest>] [-n] planck/rev6:default"
echo " -j <threads> : change the number of threads to execute with"
echo " defaults to \`$job_count\`."
echo " defaults to \`$job_count\`"
echo " -s <source> : use source commit, branch, tag, or sha1 to start the search"
echo " defaults to \`$source_ref\`."
echo " defaults to \`$source_ref\`"
echo " -d <dest> : use destination commit, branch, tag, or sha1 to end the search"
echo " defaults to \`$dest_ref\`."
echo " defaults to \`$dest_ref\`"
echo " -i <ignore> : the branch to ignore refs from"
echo " defaults to \`$ignore_ref\`."
echo " defaults to \`$ignore_ref\`"
echo " -n : skips printing changes if the delta is zero"
exit 1
}

if [[ ${#} -eq 0 ]]; then
usage
fi

while getopts "j:s:d:i:" opt "$@" ; do
while getopts "j:s:d:i:n" opt "$@" ; do
case "$opt" in
j) job_count="${OPTARG:-}";;
s) source_ref="${OPTARG:-}";;
d) dest_ref="${OPTARG:-}";;
i) ignore_ref="${OPTARG:-}";;
n) skip_zero=1;;
\?) usage >&2; exit 1;;
esac
done
Expand All @@ -47,14 +50,16 @@ function build_executor() {
make distclean >/dev/null 2>&1
git checkout $revision >/dev/null 2>&1 || { echo "Failed to check out revision ${revision}" >&2 ; exit 1 ; }
make -j${job_count} $keyboard_target >/dev/null 2>&1 || true
file_size=$(arm-none-eabi-size .build/*.elf 2>&1 | awk '/elf/ {print $1}' 2>&1 || true)
file_size=$(arm-none-eabi-size .build/*.elf 2>/dev/null | awk '/elf/ {print $1}' 2>/dev/null || true)

if [[ "$last_size" == 0 ]] ; then last_size=$file_size ; fi
if [[ -z "$file_size" ]] ; then file_size=0 ; fi

if [[ -n "$last_line" ]] ; then
size_delta=$(( $last_size - $file_size ))
printf "Size: %8d, delta: %+6d -- %s\n" "$last_size" "$size_delta" "$last_line"
if { [[ -n "${skip_zero:-}" ]] && [[ $size_delta -ne 0 ]] ; } || [[ $file_size -eq 0 ]] ; then
printf "Size: %8d, delta: %+6d -- %s\n" "$last_size" "$size_delta" "$last_line"
fi
fi

last_size=$file_size
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