diff options
| author |  Nipunn Koorapati <nipunn@dropbox.com> | 2021-03-17 21:22:23 +0000 |
|---|---|---|
| committer |  Junio C Hamano <gitster@pobox.com> | 2021-03-18 13:31:14 -0700 |
| commit | 7e5aa13d2cb590f7f21f195312ae1cf7de1cdd75 (patch) | |
| tree | 6e215ca7abe55ed185482d469e6db93873e9db42 | |
| parent | fsmonitor: add assertion that fsmonitor is valid to check_removed (diff) | |
| download | tgif-7e5aa13d2cb590f7f21f195312ae1cf7de1cdd75.tar.xz | |
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>
| -rw-r--r-- | t/helper/test-chmtime.c | 4 | ||||
| -rwxr-xr-x | t/perf/p7519-fsmonitor.sh | 4 |
2 files changed, 6 insertions, 2 deletions
diff --git a/t/helper/test-chmtime.c b/t/helper/test-chmtime.c index aa22af48c2..524b55ca49 100644 --- a/t/helper/test-chmtime.c +++ b/t/helper/test-chmtime.c @@ -109,9 +109,9 @@ int cmd__chmtime(int argc, const char **argv) uintmax_t mtime; if (stat(argv[i], &sb) < 0) { - fprintf(stderr, "Failed to stat %s: %s\n", + fprintf(stderr, "Failed to stat %s: %s. Skipping\n", argv[i], strerror(errno)); - return 1; + continue; } #ifdef GIT_WINDOWS_NATIVE diff --git a/t/perf/p7519-fsmonitor.sh b/t/perf/p7519-fsmonitor.sh index b657564aed..5eb5044a10 100755 --- a/t/perf/p7519-fsmonitor.sh +++ b/t/perf/p7519-fsmonitor.sh @@ -216,6 +216,10 @@ test_fsmonitor_suite() { git diff ' + test_perf_w_drop_caches "diff HEAD ($DESC)" ' + git diff HEAD + ' + test_perf_w_drop_caches "diff -- 0_files ($DESC)" ' git diff -- 1_file ' |