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