lix/maintainers/buildtime_report.sh
Jade Lovelace 412a9c9f67 Enable clang build timing analysis
I didn't enable this by default for clang due to making the build time
10% worse or so. Unfortunate, but tbh devs for whom 10% of build time is
not *that* bad should probably simply enable this.

Change-Id: I8d1e5b6f3f76c649a4e2f115f534f7f97cee46e6
2024-03-27 03:52:57 +00:00

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#!/bin/sh
# Generates a report of build time based on a meson build using -ftime-trace in
# Clang.
if [ $# -lt 1 ]; then
echo "usage: $0 BUILD-DIR [filename]" >&2
exit 1
fi
scriptdir=$(cd "$(dirname -- "$0")" || exit ; pwd -P)
filename=${2:-$scriptdir/../buildtime.bin}
if [ "$(meson introspect "$1" --buildoptions | jq -r '.[] | select(.name == "profile-build") | .value')" != enabled ]; then
echo 'This build was not done with profile-build enabled, so cannot generate a report' >&2
# shellcheck disable=SC2016
echo 'Run `meson configure build -Dprofile-build=enabled` then rebuild, first' >&2
exit 1
fi
ClangBuildAnalyzer --all "$1" "$filename" && ClangBuildAnalyzer --analyze "$filename"