From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-3.2 required=3.0 tests=AWL,BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD shortcircuit=no autolearn=ham autolearn_force=no version=3.4.0 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id 75632209F1 for ; Fri, 7 Apr 2017 21:21:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933804AbdDGVVE (ORCPT ); Fri, 7 Apr 2017 17:21:04 -0400 Received: from siwi.pair.com ([209.68.5.199]:42645 "EHLO siwi.pair.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756709AbdDGVU7 (ORCPT ); Fri, 7 Apr 2017 17:20:59 -0400 Received: from jeffhost-ubuntu.reddog.microsoft.com (unknown [65.55.188.213]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by siwi.pair.com (Postfix) with ESMTPSA id 3DE588460C; Fri, 7 Apr 2017 17:20:57 -0400 (EDT) From: git@jeffhostetler.com To: git@vger.kernel.org Cc: gitster@pobox.com, peff@peff.net, Jeff Hostetler Subject: [PATCH v7 2/3] p0004-read-tree: perf test to time read-tree Date: Fri, 7 Apr 2017 21:20:46 +0000 Message-Id: <20170407212047.64950-3-git@jeffhostetler.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170407212047.64950-1-git@jeffhostetler.com> References: <20170407212047.64950-1-git@jeffhostetler.com> Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org From: Jeff Hostetler Signed-off-by: Jeff Hostetler --- t/perf/p0004-read-tree.sh | 117 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 117 insertions(+) create mode 100755 t/perf/p0004-read-tree.sh diff --git a/t/perf/p0004-read-tree.sh b/t/perf/p0004-read-tree.sh new file mode 100755 index 0000000..a70e969 --- /dev/null +++ b/t/perf/p0004-read-tree.sh @@ -0,0 +1,117 @@ +#!/bin/sh + +test_description="Tests performance of read-tree" + +. ./perf-lib.sh + +test_perf_default_repo +test_checkout_worktree + +## usage: dir depth width files +fill_index() { + awk -v arg_dir=$1 -v arg_depth=$2 -v arg_width=$3 -v arg_files=$4 ' + function make_paths(dir, depth, width, files, f, w) { + for (f = 1; f <= files; f++) { + print dir "/file" f + } + if (depth > 0) { + for (w = 1; w <= width; w++) { + make_paths(dir "/dir" w, depth - 1, width, files) + } + } + } + END { make_paths(arg_dir, arg_depth, arg_width, arg_files) } +' .git/info/sparse-checkout && + git config --local core.sparsecheckout 1 && + git reset --hard +' + +## The number of files in the xxx_work1_xxx branch. +nr_work1=$(git ls-files | wc -l) +export nr_work1 + +test_perf "read-tree work1 ($nr_work1)" ' + git read-tree -m $br_base $br_work1 -n +' + +## Alternate between base and work branches several +## times to measure a large change. +test_perf "switch base work1 ($nr_base $nr_work1)" ' + git checkout $br_base && + git checkout $br_work1 +' + +## Create work2 by modifying 1 file in work1. +## Create work3 as an alias of work2. +test_expect_success 'setup work2' ' + git branch $br_work2 && + git checkout $br_work2 && + echo x >$new_dir/file1 && + git add $new_dir/file1 && + git commit -m $br_work2 && + git branch $br_work3 +' + +## Alternate between work1 and work2 several times +## to measure a very small change. +test_perf "switch work1 work2 ($nr_work1)" ' + git checkout $br_work1 && + git checkout $br_work2 +' + +## Alternate between branches work2 and work3 which +## are aliases of the same commit. +test_perf "switch commit aliases ($nr_work1)" ' + git checkout $br_work3 && + git checkout $br_work2 +' + +test_done -- 2.9.3