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-rw-r--r--third_party/git/t/perf/perf-lib.sh249
1 files changed, 0 insertions, 249 deletions
diff --git a/third_party/git/t/perf/perf-lib.sh b/third_party/git/t/perf/perf-lib.sh
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--- a/third_party/git/t/perf/perf-lib.sh
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-# 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 "$0") )
-	fi
-}
-
-test_export () {
-	export "$@"
-}
-
-test_lazy_prereq PERF_EXTRA 'test_bool_env GIT_PERF_EXTRA false'