t5318: avoid unnecessary command substitutions
[git.git] / t / perf / aggregate.perl
blobbc865160e7e3370f9462beda9d8b3866e3c2111b
1 #!/usr/bin/perl
3 use lib '../../perl/build/lib';
4 use strict;
5 use warnings;
6 use JSON;
7 use Getopt::Long;
8 use Git;
10 sub get_times {
11 my $name = shift;
12 open my $fh, "<", $name or return undef;
13 my $line = <$fh>;
14 return undef if not defined $line;
15 close $fh or die "cannot close $name: $!";
16 $line =~ /^(?:(\d+):)?(\d+):(\d+(?:\.\d+)?) (\d+(?:\.\d+)?) (\d+(?:\.\d+)?)$/
17 or die "bad input line: $line";
18 my $rt = ((defined $1 ? $1 : 0.0)*60+$2)*60+$3;
19 return ($rt, $4, $5);
22 sub format_times {
23 my ($r, $u, $s, $firstr) = @_;
24 if (!defined $r) {
25 return "<missing>";
27 my $out = sprintf "%.2f(%.2f+%.2f)", $r, $u, $s;
28 if (defined $firstr) {
29 if ($firstr > 0) {
30 $out .= sprintf " %+.1f%%", 100.0*($r-$firstr)/$firstr;
31 } elsif ($r == 0) {
32 $out .= " =";
33 } else {
34 $out .= " +inf";
37 return $out;
40 sub usage {
41 print <<EOT;
42 ./aggregate.perl [options] [--] [<dir_or_rev>...] [--] [<test_script>...] >
44 Options:
45 --codespeed * Format output for Codespeed
46 --reponame <str> * Send given reponame to codespeed
47 --sort-by <str> * Sort output (only "regression" criteria is supported)
48 --subsection <str> * Use results from given subsection
50 EOT
51 exit(1);
54 my (@dirs, %dirnames, %dirabbrevs, %prefixes, @tests,
55 $codespeed, $sortby, $subsection, $reponame);
57 Getopt::Long::Configure qw/ require_order /;
59 my $rc = GetOptions("codespeed" => \$codespeed,
60 "reponame=s" => \$reponame,
61 "sort-by=s" => \$sortby,
62 "subsection=s" => \$subsection);
63 usage() unless $rc;
65 while (scalar @ARGV) {
66 my $arg = $ARGV[0];
67 my $dir;
68 last if -f $arg or $arg eq "--";
69 if (! -d $arg) {
70 my $rev = Git::command_oneline(qw(rev-parse --verify), $arg);
71 $dir = "build/".$rev;
72 } else {
73 $arg =~ s{/*$}{};
74 $dir = $arg;
75 $dirabbrevs{$dir} = $dir;
77 push @dirs, $dir;
78 $dirnames{$dir} = $arg;
79 my $prefix = $dir;
80 $prefix =~ tr/^a-zA-Z0-9/_/c;
81 $prefixes{$dir} = $prefix . '.';
82 shift @ARGV;
85 if (not @dirs) {
86 @dirs = ('.');
88 $dirnames{'.'} = $dirabbrevs{'.'} = "this tree";
89 $prefixes{'.'} = '';
91 shift @ARGV if scalar @ARGV and $ARGV[0] eq "--";
93 @tests = @ARGV;
94 if (not @tests) {
95 @tests = glob "p????-*.sh";
98 my $resultsdir = "test-results";
100 if (! $subsection and
101 exists $ENV{GIT_PERF_SUBSECTION} and
102 $ENV{GIT_PERF_SUBSECTION} ne "") {
103 $subsection = $ENV{GIT_PERF_SUBSECTION};
106 if ($subsection) {
107 $resultsdir .= "/" . $subsection;
110 my @subtests;
111 my %shorttests;
112 for my $t (@tests) {
113 $t =~ s{(?:.*/)?(p(\d+)-[^/]+)\.sh$}{$1} or die "bad test name: $t";
114 my $n = $2;
115 my $fname = "$resultsdir/$t.subtests";
116 open my $fp, "<", $fname or die "cannot open $fname: $!";
117 for (<$fp>) {
118 chomp;
119 /^(\d+)$/ or die "malformed subtest line: $_";
120 push @subtests, "$t.$1";
121 $shorttests{"$t.$1"} = "$n.$1";
123 close $fp or die "cannot close $fname: $!";
126 sub read_descr {
127 my $name = shift;
128 open my $fh, "<", $name or return "<error reading description>";
129 binmode $fh, ":utf8" or die "PANIC on binmode: $!";
130 my $line = <$fh>;
131 close $fh or die "cannot close $name";
132 chomp $line;
133 return $line;
136 sub have_duplicate {
137 my %seen;
138 for (@_) {
139 return 1 if exists $seen{$_};
140 $seen{$_} = 1;
142 return 0;
144 sub have_slash {
145 for (@_) {
146 return 1 if m{/};
148 return 0;
151 sub display_dir {
152 my ($d) = @_;
153 return exists $dirabbrevs{$d} ? $dirabbrevs{$d} : $dirnames{$d};
156 sub print_default_results {
157 my %descrs;
158 my $descrlen = 4; # "Test"
159 for my $t (@subtests) {
160 $descrs{$t} = $shorttests{$t}.": ".read_descr("$resultsdir/$t.descr");
161 $descrlen = length $descrs{$t} if length $descrs{$t}>$descrlen;
164 my %newdirabbrevs = %dirabbrevs;
165 while (!have_duplicate(values %newdirabbrevs)) {
166 %dirabbrevs = %newdirabbrevs;
167 last if !have_slash(values %dirabbrevs);
168 %newdirabbrevs = %dirabbrevs;
169 for (values %newdirabbrevs) {
170 s{^[^/]*/}{};
174 my %times;
175 my @colwidth = ((0)x@dirs);
176 for my $i (0..$#dirs) {
177 my $w = length display_dir($dirs[$i]);
178 $colwidth[$i] = $w if $w > $colwidth[$i];
180 for my $t (@subtests) {
181 my $firstr;
182 for my $i (0..$#dirs) {
183 my $d = $dirs[$i];
184 $times{$prefixes{$d}.$t} = [get_times("$resultsdir/$prefixes{$d}$t.times")];
185 my ($r,$u,$s) = @{$times{$prefixes{$d}.$t}};
186 my $w = length format_times($r,$u,$s,$firstr);
187 $colwidth[$i] = $w if $w > $colwidth[$i];
188 $firstr = $r unless defined $firstr;
191 my $totalwidth = 3*@dirs+$descrlen;
192 $totalwidth += $_ for (@colwidth);
194 printf "%-${descrlen}s", "Test";
195 for my $i (0..$#dirs) {
196 printf " %-$colwidth[$i]s", display_dir($dirs[$i]);
198 print "\n";
199 print "-"x$totalwidth, "\n";
200 for my $t (@subtests) {
201 printf "%-${descrlen}s", $descrs{$t};
202 my $firstr;
203 for my $i (0..$#dirs) {
204 my $d = $dirs[$i];
205 my ($r,$u,$s) = @{$times{$prefixes{$d}.$t}};
206 printf " %-$colwidth[$i]s", format_times($r,$u,$s,$firstr);
207 $firstr = $r unless defined $firstr;
209 print "\n";
213 sub print_sorted_results {
214 my ($sortby) = @_;
216 if ($sortby ne "regression") {
217 print "Only 'regression' is supported as '--sort-by' argument\n";
218 usage();
221 my @evolutions;
222 for my $t (@subtests) {
223 my ($prevr, $prevu, $prevs, $prevrev);
224 for my $i (0..$#dirs) {
225 my $d = $dirs[$i];
226 my ($r, $u, $s) = get_times("$resultsdir/$prefixes{$d}$t.times");
227 if ($i > 0 and defined $r and defined $prevr and $prevr > 0) {
228 my $percent = 100.0 * ($r - $prevr) / $prevr;
229 push @evolutions, { "percent" => $percent,
230 "test" => $t,
231 "prevrev" => $prevrev,
232 "rev" => $d,
233 "prevr" => $prevr,
234 "r" => $r,
235 "prevu" => $prevu,
236 "u" => $u,
237 "prevs" => $prevs,
238 "s" => $s};
240 ($prevr, $prevu, $prevs, $prevrev) = ($r, $u, $s, $d);
244 my @sorted_evolutions = sort { $b->{percent} <=> $a->{percent} } @evolutions;
246 for my $e (@sorted_evolutions) {
247 printf "%+.1f%%", $e->{percent};
248 print " " . $e->{test};
249 print " " . format_times($e->{prevr}, $e->{prevu}, $e->{prevs});
250 print " " . format_times($e->{r}, $e->{u}, $e->{s});
251 print " " . display_dir($e->{prevrev});
252 print " " . display_dir($e->{rev});
253 print "\n";
257 sub print_codespeed_results {
258 my ($subsection) = @_;
260 my $project = "Git";
262 my $executable = `uname -s -m`;
263 chomp $executable;
265 if ($subsection) {
266 $executable .= ", " . $subsection;
269 my $environment;
270 if ($reponame) {
271 $environment = $reponame;
272 } elsif (exists $ENV{GIT_PERF_REPO_NAME} and $ENV{GIT_PERF_REPO_NAME} ne "") {
273 $environment = $ENV{GIT_PERF_REPO_NAME};
274 } elsif (exists $ENV{GIT_TEST_INSTALLED} and $ENV{GIT_TEST_INSTALLED} ne "") {
275 $environment = $ENV{GIT_TEST_INSTALLED};
276 $environment =~ s|/bin-wrappers$||;
277 } else {
278 $environment = `uname -r`;
279 chomp $environment;
282 my @data;
284 for my $t (@subtests) {
285 for my $d (@dirs) {
286 my $commitid = $prefixes{$d};
287 $commitid =~ s/^build_//;
288 $commitid =~ s/\.$//;
289 my ($result_value, $u, $s) = get_times("$resultsdir/$prefixes{$d}$t.times");
291 my %vals = (
292 "commitid" => $commitid,
293 "project" => $project,
294 "branch" => $dirnames{$d},
295 "executable" => $executable,
296 "benchmark" => $shorttests{$t} . " " . read_descr("$resultsdir/$t.descr"),
297 "environment" => $environment,
298 "result_value" => $result_value,
300 push @data, \%vals;
304 print to_json(\@data, {utf8 => 1, pretty => 1, canonical => 1}), "\n";
307 binmode STDOUT, ":utf8" or die "PANIC on binmode: $!";
309 if ($codespeed) {
310 print_codespeed_results($subsection);
311 } elsif (defined $sortby) {
312 print_sorted_results($sortby);
313 } else {
314 print_default_results();