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Diffstat (limited to 'util/size_regression.sh')
| -rwxr-xr-x | util/size_regression.sh | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/util/size_regression.sh b/util/size_regression.sh new file mode 100755 index 0000000000..988d1d9b5b --- /dev/null +++ b/util/size_regression.sh @@ -0,0 +1,79 @@ +#!/bin/bash + +# Copyright 2021 Nick Brassel (@tzarc) +# SPDX-License-Identifier: GPL-2.0-or-later + +set -eEuo pipefail + +job_count=$(getconf _NPROCESSORS_ONLN 2>/dev/null || sysctl -n hw.ncpu 2>/dev/null || echo 2) +source_ref="0.11.0" +dest_ref="develop" +ignore_ref="master" +unset skip_zero + +function usage() { + echo "Usage: $(basename "$0") [-h] [-j <jobs>] [-s <source>] [-d <dest>] [-n] planck/rev6:default" + echo " -h : Shows this usage page." + echo " -j <threads> : Change the number of threads to execute with. Defaults to \`$job_count\`." + echo " -s <source> : Use source commit, branch, tag, or sha1 to start the search. Defaults to \`$source_ref\`." + echo " -d <dest> : Use destination commit, branch, tag, or sha1 to end the search. Defaults to \`$dest_ref\`." + echo " -i <ignore> : The branch to ignore refs from. Defaults to \`$ignore_ref\`." + echo " -n : Skips printing changes if the delta is zero." + exit 1 +} + +if [[ ${#} -eq 0 ]]; then + usage +fi + +while getopts "hj:s:d:i:n" opt "$@" ; do + case "$opt" in + h) usage; exit 0;; + j) job_count="${OPTARG:-}";; + s) source_ref="${OPTARG:-}";; + d) dest_ref="${OPTARG:-}";; + i) ignore_ref="${OPTARG:-}";; + n) skip_zero=1;; + \?) usage >&2; exit 1;; + esac +done + +# Work out the target board +shift $((OPTIND-1)) +keyboard_target=$1 + +last_size=0 +last_line="" +function build_executor() { + git rev-list --oneline --no-merges ${source_ref}...${dest_ref} ^${ignore_ref} | while IFS= read -r line ; do + revision=$(echo $line | cut -d' ' -f1) + + 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>/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 - $file_size )) + if { [[ -n "${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=$file_size + last_line=$line + done + + if [ -n "$last_line" ] ; then + size_delta=0 + printf "Size: %8d, delta: %+6d -- %s\n" "$last_size" "$size_delta" "$last_line" + fi +} + +# The actual execution of all the builds needs to be the last command in the entire script +# - During builds, this script file will disappear, so we need the entire script to be +# loaded into the script interpreter at the time of execution. Do not refactor. +build_executor |