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