247 lines
6.5 KiB
Bash
247 lines
6.5 KiB
Bash
# Performance testing framework. Each perf script starts much like
|
|
# a normal test script, except it sources this library instead of
|
|
# test-lib.sh. See t/perf/README for documentation.
|
|
#
|
|
# 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/ .
|
|
|
|
# These variables must be set before the inclusion of test-lib.sh below,
|
|
# because it will change our working directory.
|
|
TEST_DIRECTORY=$(pwd)/..
|
|
TEST_OUTPUT_DIRECTORY=$(pwd)
|
|
|
|
TEST_NO_CREATE_REPO=t
|
|
TEST_NO_MALLOC_CHECK=t
|
|
|
|
. ../test-lib.sh
|
|
|
|
if test -n "$GIT_TEST_INSTALLED" -a -z "$PERF_SET_GIT_TEST_INSTALLED"
|
|
then
|
|
error "Do not use GIT_TEST_INSTALLED with the perf tests.
|
|
|
|
Instead use:
|
|
|
|
./run <path-to-git> -- <tests>
|
|
|
|
See t/perf/README for details."
|
|
fi
|
|
|
|
# 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
|
|
|
|
MODERN_GIT=$GIT_BUILD_DIR/bin-wrappers/git
|
|
export MODERN_GIT
|
|
|
|
perf_results_dir=$TEST_OUTPUT_DIRECTORY/test-results
|
|
test -n "$GIT_PERF_SUBSECTION" && perf_results_dir="$perf_results_dir/$GIT_PERF_SUBSECTION"
|
|
mkdir -p "$perf_results_dir"
|
|
rm -f "$perf_results_dir"/$(basename "$0" .sh).subtests
|
|
|
|
die_if_build_dir_not_repo () {
|
|
if ! ( cd "$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=$TEST_DIRECTORY/..
|
|
fi
|
|
|
|
test_perf_do_repo_symlink_config_ () {
|
|
test_have_prereq SYMLINKS || git config core.symlinks false
|
|
}
|
|
|
|
test_perf_create_repo_from () {
|
|
test "$#" = 2 ||
|
|
BUG "not 2 parameters to test-create-repo"
|
|
repo="$1"
|
|
source="$2"
|
|
source_git="$("$MODERN_GIT" -C "$source" rev-parse --git-dir)"
|
|
objects_dir="$("$MODERN_GIT" -C "$source" rev-parse --git-path objects)"
|
|
mkdir -p "$repo/.git"
|
|
(
|
|
cd "$source" &&
|
|
{ cp -Rl "$objects_dir" "$repo/.git/" 2>/dev/null ||
|
|
cp -R "$objects_dir" "$repo/.git/"; } &&
|
|
for stuff in "$source_git"/*; do
|
|
case "$stuff" in
|
|
*/objects|*/hooks|*/config|*/commondir)
|
|
;;
|
|
*)
|
|
cp -R "$stuff" "$repo/.git/" || exit 1
|
|
;;
|
|
esac
|
|
done
|
|
) &&
|
|
(
|
|
cd "$repo" &&
|
|
"$MODERN_GIT" init -q &&
|
|
test_perf_do_repo_symlink_config_ &&
|
|
mv .git/hooks .git/hooks-disabled 2>/dev/null &&
|
|
if test -f .git/index.lock
|
|
then
|
|
# We may be copying a repo that can't run "git
|
|
# status" due to a locked index. Since we have
|
|
# a copy it's fine to remove the lock.
|
|
rm .git/index.lock
|
|
fi
|
|
) || error "failed to copy repository '$source' to '$repo'"
|
|
}
|
|
|
|
# call at least one of these to establish an appropriately-sized repository
|
|
test_perf_fresh_repo () {
|
|
repo="${1:-$TRASH_DIRECTORY}"
|
|
"$MODERN_GIT" init -q "$repo" &&
|
|
(
|
|
cd "$repo" &&
|
|
test_perf_do_repo_symlink_config_
|
|
)
|
|
}
|
|
|
|
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
|
|
|
|
# Perf tests require GNU time
|
|
case "$(uname -s)" in Darwin) GTIME="${GTIME:-gtime}";; esac
|
|
GTIME="${GTIME:-/usr/bin/time}"
|
|
|
|
test_run_perf_ () {
|
|
test_cleanup=:
|
|
test_export_="test_cleanup"
|
|
export test_cleanup test_export_
|
|
"$GTIME" -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_wrapper_ () {
|
|
test_wrapper_func_=$1; shift
|
|
test_start_
|
|
test "$#" = 3 && { test_prereq=$1; shift; } || test_prereq=
|
|
test "$#" = 2 ||
|
|
BUG "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
|
|
base="$perf_results_dir"/"$PERF_RESULTS_PREFIX$(basename "$0" .sh)"."$test_count"
|
|
"$test_wrapper_func_" "$@"
|
|
fi
|
|
|
|
test_finish_
|
|
}
|
|
|
|
test_perf_ () {
|
|
if test -z "$verbose"; then
|
|
printf "%s" "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
|
|
printf " %s" "$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_ "$1"
|
|
fi
|
|
"$TEST_DIRECTORY"/perf/min_time.perl test_time.* >"$base".result
|
|
}
|
|
|
|
test_perf () {
|
|
test_wrapper_ test_perf_ "$@"
|
|
}
|
|
|
|
test_size_ () {
|
|
say >&3 "running: $2"
|
|
if test_eval_ "$2" 3>"$base".result; then
|
|
test_ok_ "$1"
|
|
else
|
|
test_failure_ "$@"
|
|
fi
|
|
}
|
|
|
|
test_size () {
|
|
test_wrapper_ test_size_ "$@"
|
|
}
|
|
|
|
# We extend test_done to print timings at the end (./run disables this
|
|
# and does it after running everything)
|
|
test_at_end_hook_ () {
|
|
if test -z "$GIT_PERF_AGGREGATING_LATER"; then
|
|
( cd "$TEST_DIRECTORY"/perf && ./aggregate.perl $(basename "$0") )
|
|
fi
|
|
}
|
|
|
|
test_export () {
|
|
export "$@"
|
|
}
|