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Diffstat (limited to 't/perf/perf-lib.sh')
| -rw-r--r-- | t/perf/perf-lib.sh | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/t/perf/perf-lib.sh b/t/perf/perf-lib.sh new file mode 100644 index 0000000..a816fbc --- /dev/null +++ b/t/perf/perf-lib.sh @@ -0,0 +1,203 @@ +#!/bin/sh +# +# Copyright (c) 2011 Thomas Rast +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see http://www.gnu.org/licenses/ . + +# do the --tee work early; it otherwise confuses our careful +# GIT_BUILD_DIR mangling +case "$GIT_TEST_TEE_STARTED, $* " in +done,*) + # do not redirect again + ;; +*' --tee '*|*' --va'*) + mkdir -p test-results + BASE=test-results/$(basename "$0" .sh) + (GIT_TEST_TEE_STARTED=done ${SHELL-sh} "$0" "$@" 2>&1; + echo $? > $BASE.exit) | tee $BASE.out + test "$(cat $BASE.exit)" = 0 + exit + ;; +esac + +TEST_DIRECTORY=$(pwd)/.. +TEST_OUTPUT_DIRECTORY=$(pwd) +if test -z "$GIT_TEST_INSTALLED"; then + perf_results_prefix= +else + perf_results_prefix=$(printf "%s" "${GIT_TEST_INSTALLED%/bin-wrappers}" | tr -c "[a-zA-Z0-9]" "[_*]")"." + # make the tested dir absolute + GIT_TEST_INSTALLED=$(cd "$GIT_TEST_INSTALLED" && pwd) +fi + +TEST_NO_CREATE_REPO=t +TEST_NO_MALLOC_CHECK=t + +. ../test-lib.sh + +# Variables from test-lib that are normally internal to the tests; we +# need to export them for test_perf subshells +export TEST_DIRECTORY TRASH_DIRECTORY GIT_BUILD_DIR GIT_TEST_CMP + +perf_results_dir=$TEST_OUTPUT_DIRECTORY/test-results +mkdir -p "$perf_results_dir" +rm -f "$perf_results_dir"/$(basename "$0" .sh).subtests + +if test -z "$GIT_PERF_REPEAT_COUNT"; then + GIT_PERF_REPEAT_COUNT=3 +fi +die_if_build_dir_not_repo () { + if ! ( cd "$TEST_DIRECTORY/.." && + git rev-parse --build-dir >/dev/null 2>&1 ); then + error "No $1 defined, and your build directory is not a repo" + fi +} + +if test -z "$GIT_PERF_REPO"; then + die_if_build_dir_not_repo '$GIT_PERF_REPO' + GIT_PERF_REPO=$TEST_DIRECTORY/.. +fi +if test -z "$GIT_PERF_LARGE_REPO"; then + die_if_build_dir_not_repo '$GIT_PERF_LARGE_REPO' + GIT_PERF_LARGE_REPO=$TEST_DIRECTORY/.. +fi + +test_perf_create_repo_from () { + test "$#" = 2 || + error "bug in the test script: not 2 parameters to test-create-repo" + repo="$1" + source="$2" + source_git=$source/$(cd "$source" && git rev-parse --git-dir) + mkdir -p "$repo/.git" + ( + cd "$repo/.git" && + { cp -Rl "$source_git/objects" . 2>/dev/null || + cp -R "$source_git/objects" .; } && + for stuff in "$source_git"/*; do + case "$stuff" in + */objects|*/hooks|*/config) + ;; + *) + cp -R "$stuff" . || break + ;; + esac + done && + cd .. && + git init -q && + mv .git/hooks .git/hooks-disabled 2>/dev/null + ) || error "failed to copy repository '$source' to '$repo'" +} + +# call at least one of these to establish an appropriately-sized repository +test_perf_default_repo () { + test_perf_create_repo_from "${1:-$TRASH_DIRECTORY}" "$GIT_PERF_REPO" +} +test_perf_large_repo () { + if test "$GIT_PERF_LARGE_REPO" = "$GIT_BUILD_DIR"; then + echo "warning: \$GIT_PERF_LARGE_REPO is \$GIT_BUILD_DIR." >&2 + echo "warning: This will work, but may not be a sufficiently large repo" >&2 + echo "warning: for representative measurements." >&2 + fi + test_perf_create_repo_from "${1:-$TRASH_DIRECTORY}" "$GIT_PERF_LARGE_REPO" +} +test_checkout_worktree () { + git checkout-index -u -a || + error "git checkout-index failed" +} + +# Performance tests should never fail. If they do, stop immediately +immediate=t + +test_run_perf_ () { + test_cleanup=: + test_export_="test_cleanup" + export test_cleanup test_export_ + /usr/bin/time -f "%E %U %S" -o test_time.$i "$SHELL" -c ' +. '"$TEST_DIRECTORY"/test-lib-functions.sh' +test_export () { + [ $# != 0 ] || return 0 + test_export_="$test_export_\\|$1" + shift + test_export "$@" +} +'"$1"' +ret=$? +set | sed -n "s'"/'/'\\\\''/g"';s/^\\($test_export_\\)/export '"'&'"'/p" >test_vars +exit $ret' >&3 2>&4 + eval_ret=$? + + if test $eval_ret = 0 || test -n "$expecting_failure" + then + test_eval_ "$test_cleanup" + . ./test_vars || error "failed to load updated environment" + fi + if test "$verbose" = "t" && test -n "$HARNESS_ACTIVE"; then + echo "" + fi + return "$eval_ret" +} + + +test_perf () { + test "$#" = 3 && { test_prereq=$1; shift; } || test_prereq= + test "$#" = 2 || + error "bug in the test script: not 2 or 3 parameters to test-expect-success" + export test_prereq + if ! test_skip "$@" + then + base=$(basename "$0" .sh) + echo "$test_count" >>"$perf_results_dir"/$base.subtests + echo "$1" >"$perf_results_dir"/$base.$test_count.descr + if test -z "$verbose"; then + echo -n "perf $test_count - $1:" + else + echo "perf $test_count - $1:" + fi + for i in $(test_seq 1 $GIT_PERF_REPEAT_COUNT); do + say >&3 "running: $2" + if test_run_perf_ "$2" + then + if test -z "$verbose"; then + echo -n " $i" + else + echo "* timing run $i/$GIT_PERF_REPEAT_COUNT:" + fi + else + test -z "$verbose" && echo + test_failure_ "$@" + break + fi + done + if test -z "$verbose"; then + echo " ok" + else + test_ok_ "$1" + fi + base="$perf_results_dir"/"$perf_results_prefix$(basename "$0" .sh)"."$test_count" + "$TEST_DIRECTORY"/perf/min_time.perl test_time.* >"$base".times + fi + echo >&3 "" +} + +# We extend test_done to print timings at the end (./run disables this +# and does it after running everything) +test_at_end_hook_ () { + if test -z "$GIT_PERF_AGGREGATING_LATER"; then + ( cd "$TEST_DIRECTORY"/perf && ./aggregate.perl $(basename "$0") ) + fi +} + +test_export () { + export "$@" +} |