b04f66f245
* Add script for performing compilation size regression investigations. * Print deltas * Correct scoping. * Concurrency control * Job count control, skip zeros (unless no build output), fix usage. * Add usage under -h arg. * Updated usage output. * Copyright header.
79 lines
2.8 KiB
Bash
Executable file
79 lines
2.8 KiB
Bash
Executable file
#!/bin/bash
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# Copyright 2021 Nick Brassel (@tzarc)
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# SPDX-License-Identifier: GPL-2.0-or-later
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set -eEuo pipefail
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job_count=$(getconf _NPROCESSORS_ONLN 2>/dev/null || sysctl -n hw.ncpu 2>/dev/null || echo 2)
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source_ref="0.11.0"
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dest_ref="develop"
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ignore_ref="master"
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unset skip_zero
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function usage() {
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echo "Usage: $(basename "$0") [-h] [-j <jobs>] [-s <source>] [-d <dest>] [-n] planck/rev6:default"
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echo " -h : Shows this usage page."
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echo " -j <threads> : Change the number of threads to execute with. Defaults to \`$job_count\`."
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echo " -s <source> : Use source commit, branch, tag, or sha1 to start the search. Defaults to \`$source_ref\`."
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echo " -d <dest> : Use destination commit, branch, tag, or sha1 to end the search. Defaults to \`$dest_ref\`."
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echo " -i <ignore> : The branch to ignore refs from. Defaults to \`$ignore_ref\`."
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echo " -n : Skips printing changes if the delta is zero."
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exit 1
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}
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if [[ ${#} -eq 0 ]]; then
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usage
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fi
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while getopts "hj:s:d:i:n" opt "$@" ; do
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case "$opt" in
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h) usage; exit 0;;
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j) job_count="${OPTARG:-}";;
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s) source_ref="${OPTARG:-}";;
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d) dest_ref="${OPTARG:-}";;
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i) ignore_ref="${OPTARG:-}";;
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n) skip_zero=1;;
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\?) usage >&2; exit 1;;
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esac
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done
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# Work out the target board
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shift $((OPTIND-1))
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keyboard_target=$1
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last_size=0
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last_line=""
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function build_executor() {
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git rev-list --oneline --no-merges ${source_ref}...${dest_ref} ^${ignore_ref} | while IFS= read -r line ; do
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revision=$(echo $line | cut -d' ' -f1)
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make distclean >/dev/null 2>&1
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git checkout $revision >/dev/null 2>&1 || { echo "Failed to check out revision ${revision}" >&2 ; exit 1 ; }
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make -j${job_count} $keyboard_target >/dev/null 2>&1 || true
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file_size=$(arm-none-eabi-size .build/*.elf 2>/dev/null | awk '/elf/ {print $1}' 2>/dev/null || true)
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if [[ "$last_size" == 0 ]] ; then last_size=$file_size ; fi
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if [[ -z "$file_size" ]] ; then file_size=0 ; fi
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if [[ -n "$last_line" ]] ; then
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size_delta=$(( $last_size - $file_size ))
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if { [[ -n "${skip_zero:-}" ]] && [[ $size_delta -ne 0 ]] ; } || [[ $file_size -eq 0 ]] ; then
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printf "Size: %8d, delta: %+6d -- %s\n" "$last_size" "$size_delta" "$last_line"
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fi
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fi
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last_size=$file_size
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last_line=$line
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done
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if [ -n "$last_line" ] ; then
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size_delta=0
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printf "Size: %8d, delta: %+6d -- %s\n" "$last_size" "$size_delta" "$last_line"
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fi
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}
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# The actual execution of all the builds needs to be the last command in the entire script
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# - During builds, this script file will disappear, so we need the entire script to be
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# loaded into the script interpreter at the time of execution. Do not refactor.
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build_executor
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