Nipunn Koorapati 7e5aa13d2c fsmonitor: add perf test for git diff HEAD ... Update the xargs call so that if your large repo contains symlinks, test-tool chmtime failure does not end the script. On Linux Test this tree upstream/master --------------------------------------------------------------------------------------------------------- 7519.4: status (fsmonitor=fsmonitor-watchman) 0.52(0.43+0.10) 0.53(0.49+0.05) +1.9% 7519.5: status -uno (fsmonitor=fsmonitor-watchman) 0.21(0.15+0.07) 0.22(0.13+0.09) +4.8% 7519.6: status -uall (fsmonitor=fsmonitor-watchman) 1.65(0.93+0.71) 1.69(1.03+0.65) +2.4% 7519.7: status (dirty) (fsmonitor=fsmonitor-watchman) 11.99(11.34+1.58) 11.95(11.02+1.79) -0.3% 7519.8: diff (fsmonitor=fsmonitor-watchman) 0.25(0.17+0.26) 0.25(0.18+0.26) +0.0% 7519.9: diff HEAD (fsmonitor=fsmonitor-watchman) 0.39(0.25+0.34) 0.89(0.35+0.74) +128.2% 7519.10: diff -- 0_files (fsmonitor=fsmonitor-watchman) 0.16(0.13+0.04) 0.16(0.12+0.05) +0.0% 7519.11: diff -- 10_files (fsmonitor=fsmonitor-watchman) 0.16(0.12+0.05) 0.16(0.12+0.05) +0.0% 7519.12: diff -- 100_files (fsmonitor=fsmonitor-watchman) 0.16(0.12+0.05) 0.16(0.12+0.05) +0.0% 7519.13: diff -- 1000_files (fsmonitor=fsmonitor-watchman) 0.16(0.11+0.06) 0.16(0.12+0.05) +0.0% 7519.14: diff -- 10000_files (fsmonitor=fsmonitor-watchman) 0.18(0.13+0.06) 0.17(0.10+0.08) -5.6% 7519.15: add (fsmonitor=fsmonitor-watchman) 2.25(1.53+0.68) 2.25(1.47+0.74) +0.0% 7519.18: status (fsmonitor=disabled) 0.88(0.73+1.03) 0.89(0.67+1.08) +1.1% 7519.19: status -uno (fsmonitor=disabled) 0.45(0.43+0.89) 0.45(0.34+0.98) +0.0% 7519.20: status -uall (fsmonitor=disabled) 1.88(1.16+1.58) 1.88(1.22+1.51) +0.0% 7519.21: status (dirty) (fsmonitor=disabled) 7.53(7.05+2.11) 7.53(6.98+2.04) +0.0% 7519.22: diff (fsmonitor=disabled) 0.42(0.37+0.92) 0.42(0.38+0.91) +0.0% 7519.23: diff HEAD (fsmonitor=disabled) 0.44(0.41+0.90) 0.44(0.40+0.91) +0.0% 7519.24: diff -- 0_files (fsmonitor=disabled) 0.13(0.09+0.05) 0.13(0.09+0.05) +0.0% 7519.25: diff -- 10_files (fsmonitor=disabled) 0.13(0.10+0.04) 0.13(0.10+0.04) +0.0% 7519.26: diff -- 100_files (fsmonitor=disabled) 0.13(0.09+0.05) 0.13(0.10+0.04) +0.0% 7519.27: diff -- 1000_files (fsmonitor=disabled) 0.13(0.09+0.06) 0.13(0.09+0.05) +0.0% 7519.28: diff -- 10000_files (fsmonitor=disabled) 0.14(0.11+0.05) 0.14(0.10+0.05) +0.0% 7519.29: add (fsmonitor=disabled) 2.43(1.61+1.64) 2.43(1.69+1.57) +0.0% On linux (2.29.2 vs w/ this patch): nipunn@nipunn-dbx:~/src/server3$ strace -f -c git diff 2>&1 | grep lstat 0.04 0.000063 3 20 6 lstat nipunn@nipunn-dbx:~/src/server3$ strace -f -c git diff HEAD 2>&1 | grep lstat 94.98 5.242262 10 523783 13 lstat nipunn@nipunn-dbx:~/src/server3$ strace -f -c ../git/bin-wrappers/git diff 2>&1 | grep lstat 0.38 0.000032 5 7 3 lstat nipunn@nipunn-dbx:~/src/server3$ strace -f -c ../git/bin-wrappers/git diff HEAD 2>&1 | grep lstat 99.44 0.741892 9 81634 10 lstat On mac (2.29.2 vs w/ this patch): nipunn-mbp:server nipunn$ sudo dtruss -L -f -c git diff 2>&1 | grep "^lstat64 " lstat64 8 nipunn-mbp:server nipunn$ sudo dtruss -L -f -c git diff HEAD 2>&1 | grep "^lstat64 " lstat64 120242 nipunn-mbp:server nipunn$ sudo dtruss -L -f -c ../git/bin-wrappers/git diff 2>&1 | grep "^lstat64 " lstat64 4 nipunn-mbp:server nipunn$ sudo dtruss -L -f -c ../git/bin-wrappers/git diff HEAD 2>&1 | grep "^lstat64 " lstat64 4497 There are still a bunch of lstats - on directories, but not every file. Progress! Signed-off-by: Nipunn Koorapati <nipunn@dropbox.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>		2021-03-18 13:31:14 -07:00
..
.gitignore	drop vcs-svn experiment	2020-08-13 11:02:15 -07:00
test-advise.c	test-advise: check argument count with argc instead of argv	2020-09-30 12:53:48 -07:00
test-bloom.c	Merge branch 'tb/bloom-improvements'	2020-09-29 14:01:20 -07:00
test-chmtime.c	fsmonitor: add perf test for git diff HEAD	2021-03-18 13:31:14 -07:00
test-config.c	config: fix leaks from git_config_get_string_const()	2020-08-14 10:52:04 -07:00
test-crontab.c	maintenance: add start/stop subcommands	2020-09-25 10:59:44 -07:00
test-ctype.c
test-date.c	test_date.c: remove reference to GIT_TEST_DATE_NOW	2019-09-18 14:15:01 -07:00
test-delta.c
test-dir-iterator.c
test-drop-caches.c	Sync with 2.17.3	2019-12-06 16:29:15 +01:00
test-dump-cache-tree.c
test-dump-fsmonitor.c	fsmonitor: change last update timestamp on the index_state to opaque token	2020-01-13 14:58:43 -08:00
test-dump-split-index.c	t/helper/test-dump-split-index: initialize git repository	2020-02-24 09:33:24 -08:00
test-dump-untracked-cache.c
test-example-decorate.c
test-fake-ssh.c
test-fast-rebase.c	fast-rebase: demonstrate merge-ort's API via new test-tool command	2020-10-29 14:05:48 -07:00
test-genrandom.c
test-genzeros.c
test-hash-speed.c
test-hash.c
test-hashmap.c	Use new HASHMAP_INIT macro to simplify hashmap initialization	2020-11-11 12:55:27 -08:00
test-index-version.c
test-json-writer.c
test-lazy-init-name-hash.c	OFFSETOF_VAR macro to simplify hashmap iterators	2019-10-07 10:20:11 +09:00
test-match-trees.c
test-mergesort.c
test-mktemp.c
test-oid-array.c	t/helper: initialize the repository for test-sha1-array	2020-06-19 14:04:08 -07:00
test-oidmap.c	test-oidmap: remove 'add' subcommand	2019-07-01 10:26:28 -07:00
test-online-cpus.c
test-parse-options.c	parse-options: add testcases for OPT_CMDMODE()	2020-02-20 13:20:40 -08:00
test-parse-pathspec-file.c	test-parse-pathspec-file.c: s/0/NULL/ for pointer type	2020-04-27 11:21:12 -07:00
test-path-utils.c	real_path: remove unsafe API	2020-03-10 11:41:40 -07:00
test-pcre2-config.c	grep/pcre2: better support invalid UTF-8 haystacks	2021-01-24 16:09:17 -08:00
test-pkt-line.c	test-pkt-line: drop colon from sideband identity	2020-10-27 11:57:51 -07:00
test-prio-queue.c
test-proc-receive.c	receive-pack: use default version 0 for proc-receive	2020-11-11 12:46:56 -08:00
test-progress.c	progress.c: silence cgcc suggestion about internal linkage	2020-04-27 11:21:28 -07:00
test-reach.c	commit-reach: fix in_merge_bases_many bug	2020-10-02 10:26:31 -07:00
test-read-cache.c
test-read-graph.c	commit-graph: implement generation data chunk	2021-01-18 16:21:18 -08:00
test-read-midx.c	multi-pack-index: use hash version byte	2020-08-17 16:45:20 -07:00
test-ref-store.c	refs: switch peel_ref() to peel_iterated_oid()	2021-01-21 15:51:31 -08:00
test-regex.c	t/helper: teach test-regex to report pattern errors (like REG_ILLSEQ)	2020-05-18 13:03:35 -07:00
test-repository.c	t/helper: make repository tests hash independent	2020-02-24 09:33:27 -08:00
test-revision-walking.c
test-run-command.c	strvec: rename struct fields	2020-07-30 19:18:06 -07:00
test-scrap-cache-tree.c
test-serve-v2.c
test-sha1.c
test-sha1.sh
test-sha256.c
test-sigchain.c
test-strcmp-offset.c
test-string-list.c
test-submodule-config.c
test-submodule-nested-repo-config.c	drop unused argc parameters	2020-09-30 12:53:47 -07:00
test-subprocess.c
test-tool.c	grep/pcre2: better support invalid UTF-8 haystacks	2021-01-24 16:09:17 -08:00
test-tool.h	grep/pcre2: better support invalid UTF-8 haystacks	2021-01-24 16:09:17 -08:00
test-trace2.c	usage: trace2 BUG() invocations	2021-02-09 14:14:34 -08:00
test-urlmatch-normalization.c	t/helper: merge test-urlmatch-normalization into test-tool	2018-03-27 08:45:47 -07:00
test-wildmatch.c
test-windows-named-pipe.c	use strpbrk(3) to search for characters from a given set	2020-02-24 09:30:31 -08:00
test-write-cache.c
test-xml-encode.c