]>
Commit | Line | Data |
---|---|---|
c74c7203 JN |
1 | # Performance testing framework. Each perf script starts much like |
2 | # a normal test script, except it sources this library instead of | |
3 | # test-lib.sh. See t/perf/README for documentation. | |
342e9ef2 TR |
4 | # |
5 | # Copyright (c) 2011 Thomas Rast | |
6 | # | |
7 | # This program is free software: you can redistribute it and/or modify | |
8 | # it under the terms of the GNU General Public License as published by | |
9 | # the Free Software Foundation, either version 2 of the License, or | |
10 | # (at your option) any later version. | |
11 | # | |
12 | # This program is distributed in the hope that it will be useful, | |
13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | # GNU General Public License for more details. | |
16 | # | |
17 | # You should have received a copy of the GNU General Public License | |
18 | # along with this program. If not, see http://www.gnu.org/licenses/ . | |
19 | ||
20 | # do the --tee work early; it otherwise confuses our careful | |
21 | # GIT_BUILD_DIR mangling | |
22 | case "$GIT_TEST_TEE_STARTED, $* " in | |
23 | done,*) | |
24 | # do not redirect again | |
25 | ;; | |
26 | *' --tee '*|*' --va'*) | |
27 | mkdir -p test-results | |
28 | BASE=test-results/$(basename "$0" .sh) | |
29 | (GIT_TEST_TEE_STARTED=done ${SHELL-sh} "$0" "$@" 2>&1; | |
30 | echo $? > $BASE.exit) | tee $BASE.out | |
31 | test "$(cat $BASE.exit)" = 0 | |
32 | exit | |
33 | ;; | |
34 | esac | |
35 | ||
36 | TEST_DIRECTORY=$(pwd)/.. | |
37 | TEST_OUTPUT_DIRECTORY=$(pwd) | |
38 | if test -z "$GIT_TEST_INSTALLED"; then | |
39 | perf_results_prefix= | |
40 | else | |
41 | perf_results_prefix=$(printf "%s" "${GIT_TEST_INSTALLED%/bin-wrappers}" | tr -c "[a-zA-Z0-9]" "[_*]")"." | |
42 | # make the tested dir absolute | |
43 | GIT_TEST_INSTALLED=$(cd "$GIT_TEST_INSTALLED" && pwd) | |
44 | fi | |
45 | ||
46 | TEST_NO_CREATE_REPO=t | |
ee1431bf | 47 | TEST_NO_MALLOC_CHECK=t |
342e9ef2 TR |
48 | |
49 | . ../test-lib.sh | |
50 | ||
561ae067 TR |
51 | # Variables from test-lib that are normally internal to the tests; we |
52 | # need to export them for test_perf subshells | |
53 | export TEST_DIRECTORY TRASH_DIRECTORY GIT_BUILD_DIR GIT_TEST_CMP | |
54 | ||
342e9ef2 TR |
55 | perf_results_dir=$TEST_OUTPUT_DIRECTORY/test-results |
56 | mkdir -p "$perf_results_dir" | |
57 | rm -f "$perf_results_dir"/$(basename "$0" .sh).subtests | |
58 | ||
59 | if test -z "$GIT_PERF_REPEAT_COUNT"; then | |
60 | GIT_PERF_REPEAT_COUNT=3 | |
61 | fi | |
62 | die_if_build_dir_not_repo () { | |
63 | if ! ( cd "$TEST_DIRECTORY/.." && | |
64 | git rev-parse --build-dir >/dev/null 2>&1 ); then | |
65 | error "No $1 defined, and your build directory is not a repo" | |
66 | fi | |
67 | } | |
68 | ||
69 | if test -z "$GIT_PERF_REPO"; then | |
70 | die_if_build_dir_not_repo '$GIT_PERF_REPO' | |
71 | GIT_PERF_REPO=$TEST_DIRECTORY/.. | |
72 | fi | |
73 | if test -z "$GIT_PERF_LARGE_REPO"; then | |
74 | die_if_build_dir_not_repo '$GIT_PERF_LARGE_REPO' | |
75 | GIT_PERF_LARGE_REPO=$TEST_DIRECTORY/.. | |
76 | fi | |
77 | ||
78 | test_perf_create_repo_from () { | |
79 | test "$#" = 2 || | |
80 | error "bug in the test script: not 2 parameters to test-create-repo" | |
81 | repo="$1" | |
82 | source="$2" | |
7501b592 JS |
83 | source_git="$(git -C "$source" rev-parse --git-dir)" |
84 | objects_dir="$(git -C "$source" rev-parse --git-path objects)" | |
342e9ef2 TR |
85 | mkdir -p "$repo/.git" |
86 | ( | |
7501b592 JS |
87 | { cp -Rl "$objects_dir" "$repo/.git/" 2>/dev/null || |
88 | cp -R "$objects_dir" "$repo/.git/"; } && | |
342e9ef2 TR |
89 | for stuff in "$source_git"/*; do |
90 | case "$stuff" in | |
7501b592 | 91 | */objects|*/hooks|*/config|*/commondir) |
342e9ef2 TR |
92 | ;; |
93 | *) | |
7501b592 | 94 | cp -R "$stuff" "$repo/.git/" || exit 1 |
342e9ef2 TR |
95 | ;; |
96 | esac | |
97 | done && | |
7501b592 | 98 | cd "$repo" && |
fd9dbdfb JS |
99 | git init -q && { |
100 | test_have_prereq SYMLINKS || | |
101 | git config core.symlinks false | |
102 | } && | |
342e9ef2 TR |
103 | mv .git/hooks .git/hooks-disabled 2>/dev/null |
104 | ) || error "failed to copy repository '$source' to '$repo'" | |
105 | } | |
106 | ||
107 | # call at least one of these to establish an appropriately-sized repository | |
108 | test_perf_default_repo () { | |
109 | test_perf_create_repo_from "${1:-$TRASH_DIRECTORY}" "$GIT_PERF_REPO" | |
110 | } | |
111 | test_perf_large_repo () { | |
112 | if test "$GIT_PERF_LARGE_REPO" = "$GIT_BUILD_DIR"; then | |
113 | echo "warning: \$GIT_PERF_LARGE_REPO is \$GIT_BUILD_DIR." >&2 | |
114 | echo "warning: This will work, but may not be a sufficiently large repo" >&2 | |
115 | echo "warning: for representative measurements." >&2 | |
116 | fi | |
117 | test_perf_create_repo_from "${1:-$TRASH_DIRECTORY}" "$GIT_PERF_LARGE_REPO" | |
118 | } | |
119 | test_checkout_worktree () { | |
120 | git checkout-index -u -a || | |
121 | error "git checkout-index failed" | |
122 | } | |
123 | ||
124 | # Performance tests should never fail. If they do, stop immediately | |
125 | immediate=t | |
126 | ||
127 | test_run_perf_ () { | |
128 | test_cleanup=: | |
129 | test_export_="test_cleanup" | |
130 | export test_cleanup test_export_ | |
131 | /usr/bin/time -f "%E %U %S" -o test_time.$i "$SHELL" -c ' | |
1cbc3240 | 132 | . '"$TEST_DIRECTORY"/test-lib-functions.sh' |
342e9ef2 TR |
133 | test_export () { |
134 | [ $# != 0 ] || return 0 | |
135 | test_export_="$test_export_\\|$1" | |
136 | shift | |
137 | test_export "$@" | |
138 | } | |
139 | '"$1"' | |
140 | ret=$? | |
141 | set | sed -n "s'"/'/'\\\\''/g"';s/^\\($test_export_\\)/export '"'&'"'/p" >test_vars | |
142 | exit $ret' >&3 2>&4 | |
143 | eval_ret=$? | |
144 | ||
145 | if test $eval_ret = 0 || test -n "$expecting_failure" | |
146 | then | |
147 | test_eval_ "$test_cleanup" | |
148 | . ./test_vars || error "failed to load updated environment" | |
149 | fi | |
150 | if test "$verbose" = "t" && test -n "$HARNESS_ACTIVE"; then | |
151 | echo "" | |
152 | fi | |
153 | return "$eval_ret" | |
154 | } | |
155 | ||
156 | ||
157 | test_perf () { | |
62a23c9f | 158 | test_start_ |
342e9ef2 TR |
159 | test "$#" = 3 && { test_prereq=$1; shift; } || test_prereq= |
160 | test "$#" = 2 || | |
161 | error "bug in the test script: not 2 or 3 parameters to test-expect-success" | |
162 | export test_prereq | |
163 | if ! test_skip "$@" | |
164 | then | |
165 | base=$(basename "$0" .sh) | |
166 | echo "$test_count" >>"$perf_results_dir"/$base.subtests | |
167 | echo "$1" >"$perf_results_dir"/$base.$test_count.descr | |
168 | if test -z "$verbose"; then | |
19c3c5fd | 169 | printf "%s" "perf $test_count - $1:" |
342e9ef2 TR |
170 | else |
171 | echo "perf $test_count - $1:" | |
172 | fi | |
d17cf5f3 | 173 | for i in $(test_seq 1 $GIT_PERF_REPEAT_COUNT); do |
342e9ef2 TR |
174 | say >&3 "running: $2" |
175 | if test_run_perf_ "$2" | |
176 | then | |
177 | if test -z "$verbose"; then | |
19c3c5fd | 178 | printf " %s" "$i" |
342e9ef2 TR |
179 | else |
180 | echo "* timing run $i/$GIT_PERF_REPEAT_COUNT:" | |
181 | fi | |
182 | else | |
183 | test -z "$verbose" && echo | |
184 | test_failure_ "$@" | |
185 | break | |
186 | fi | |
187 | done | |
188 | if test -z "$verbose"; then | |
189 | echo " ok" | |
190 | else | |
191 | test_ok_ "$1" | |
192 | fi | |
193 | base="$perf_results_dir"/"$perf_results_prefix$(basename "$0" .sh)"."$test_count" | |
194 | "$TEST_DIRECTORY"/perf/min_time.perl test_time.* >"$base".times | |
195 | fi | |
62a23c9f | 196 | test_finish_ |
342e9ef2 TR |
197 | } |
198 | ||
199 | # We extend test_done to print timings at the end (./run disables this | |
200 | # and does it after running everything) | |
201 | test_at_end_hook_ () { | |
202 | if test -z "$GIT_PERF_AGGREGATING_LATER"; then | |
203 | ( cd "$TEST_DIRECTORY"/perf && ./aggregate.perl $(basename "$0") ) | |
204 | fi | |
205 | } | |
206 | ||
207 | test_export () { | |
208 | export "$@" | |
209 | } |