53 lines
1.4 KiB
Bash
Executable file
53 lines
1.4 KiB
Bash
Executable file
#!/bin/sh
|
|
|
|
script="$1"
|
|
test_number="$2"
|
|
info_dir="$3"
|
|
|
|
# This aborts the bisection immediately
|
|
die () {
|
|
echo >&2 "error: $*"
|
|
exit 255
|
|
}
|
|
|
|
bisect_head=$(git rev-parse --verify BISECT_HEAD) || die "Failed to find BISECT_HEAD ref"
|
|
|
|
script_number=$(echo "$script" | sed -e "s/^p\([0-9]*\).*\$/\1/") || die "Failed to get script number for '$script'"
|
|
|
|
oldtime=$(cat "$info_dir/oldtime") || die "Failed to access '$info_dir/oldtime'"
|
|
newtime=$(cat "$info_dir/newtime") || die "Failed to access '$info_dir/newtime'"
|
|
|
|
cd t/perf || die "Failed to cd into 't/perf'"
|
|
|
|
result_file="$info_dir/perf_${script_number}_${bisect_head}_results.txt"
|
|
|
|
GIT_PERF_DIRS_OR_REVS="$bisect_head"
|
|
export GIT_PERF_DIRS_OR_REVS
|
|
|
|
# Don't use codespeed
|
|
GIT_PERF_CODESPEED_OUTPUT=
|
|
GIT_PERF_SEND_TO_CODESPEED=
|
|
export GIT_PERF_CODESPEED_OUTPUT
|
|
export GIT_PERF_SEND_TO_CODESPEED
|
|
|
|
./run "$script" >"$result_file" 2>&1 || die "Failed to run perf test '$script'"
|
|
|
|
rtime=$(sed -n "s/^$script_number\.$test_number:.*\([0-9]\+\.[0-9]\+\)(.*).*\$/\1/p" "$result_file")
|
|
|
|
echo "newtime: $newtime"
|
|
echo "rtime: $rtime"
|
|
echo "oldtime: $oldtime"
|
|
|
|
# Compare ($newtime - $rtime) with ($rtime - $oldtime)
|
|
# Times are decimal number, not integers
|
|
|
|
if test $(echo "$newtime" "$rtime" "$oldtime" | awk '{ print ($1 - $2 > $2 - $3) }') = 1
|
|
then
|
|
# Current commit is considered "good/old"
|
|
echo "$rtime" >"$info_dir/oldtime"
|
|
exit 0
|
|
else
|
|
# Current commit is considered "bad/new"
|
|
echo "$rtime" >"$info_dir/newtime"
|
|
exit 1
|
|
fi
|