freshlybakedca.ke
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1#!/bin/sh
2
3script="$1"
4test_number="$2"
5info_dir="$3"
6
7# This aborts the bisection immediately
8die () {
9 echo >&2 "error: $*"
10 exit 255
11}
12
13bisect_head=$(git rev-parse --verify BISECT_HEAD) || die "Failed to find BISECT_HEAD ref"
14
15script_number=$(echo "$script" | sed -e "s/^p\([0-9]*\).*\$/\1/") || die "Failed to get script number for '$script'"
16
17oldtime=$(cat "$info_dir/oldtime") || die "Failed to access '$info_dir/oldtime'"
18newtime=$(cat "$info_dir/newtime") || die "Failed to access '$info_dir/newtime'"
19
20cd t/perf || die "Failed to cd into 't/perf'"
21
22result_file="$info_dir/perf_${script_number}_${bisect_head}_results.txt"
23
24GIT_PERF_DIRS_OR_REVS="$bisect_head"
25export GIT_PERF_DIRS_OR_REVS
26
27# Don't use codespeed
28GIT_PERF_CODESPEED_OUTPUT=
29GIT_PERF_SEND_TO_CODESPEED=
30export GIT_PERF_CODESPEED_OUTPUT
31export GIT_PERF_SEND_TO_CODESPEED
32
33./run "$script" >"$result_file" 2>&1 || die "Failed to run perf test '$script'"
34
35rtime=$(sed -n "s/^$script_number\.$test_number:.*\([0-9]\+\.[0-9]\+\)(.*).*\$/\1/p" "$result_file")
36
37echo "newtime: $newtime"
38echo "rtime: $rtime"
39echo "oldtime: $oldtime"
40
41# Compare ($newtime - $rtime) with ($rtime - $oldtime)
42# Times are decimal number, not integers
43
44if test $(echo "$newtime" "$rtime" "$oldtime" | awk '{ print ($1 - $2 > $2 - $3) }') = 1
45then
46 # Current commit is considered "good/old"
47 echo "$rtime" >"$info_dir/oldtime"
48 exit 0
49else
50 # Current commit is considered "bad/new"
51 echo "$rtime" >"$info_dir/newtime"
52 exit 1
53fi