darshan-job-summary.pl 40.6 KB
Newer Older
1
#!/usr/bin/perl -w
2 3 4 5 6
#
#  (C) 2009 by Argonne National Laboratory.
#      See COPYRIGHT in top-level directory.
#

7 8
use FindBin;
use lib "$FindBin::Bin/../lib/";
9 10
use TeX::Encode;
use Encode;
11 12
use File::Temp qw/ tempdir /;
use Cwd;
13 14
use Getopt::Long;
use English;
15
use Number::Bytes::Human qw(format_bytes);
16 17 18 19

my $gnuplot = "";

my $tmp_dir = tempdir( CLEANUP => 1 );
20 21 22
#my $tmp_dir = tempdir( CLEANUP => 0 );
#print "tmp dir: $tmp_dir\n";

23
my $orig_dir = getcwd;
24 25
my $output_file = "summary.pdf";
my $input_file = "";
26 27
my %access_hash = ();
my @access_size = ();
28
my %hash_files = ();
29

30
# data structures for calculating performance
31 32
my %hash_unique_file_time = ();
my $shared_file_time = 0;
33
my $total_job_bytes = 0;
34

35 36
process_args();

37 38 39 40 41 42 43 44 45 46 47 48 49
# find a darshan-parser executable somewhere
my $darshan_parser = "";
if(-x "$FindBin::Bin/../bin/darshan-parser")
{
    $darshan_parser = "$FindBin::Bin/../bin/darshan-parser";
}
else
{
    $darshan_parser = "darshan-parser";
}

open(TRACE, "$darshan_parser $input_file |") || die("Can't execute \"$darshan_parser $input_file\": $!\n");

50 51
open(FA_READ, ">$tmp_dir/file-access-read.dat") || die("error opening output file: $!\n");
open(FA_WRITE, ">$tmp_dir/file-access-write.dat") || die("error opening output file: $!\n");
52 53
open(FA_READ_SH, ">$tmp_dir/file-access-read-sh.dat") || die("error opening output file: $!\n");
open(FA_WRITE_SH, ">$tmp_dir/file-access-write-sh.dat") || die("error opening output file: $!\n");
54 55 56

my $last_read_start = 0;
my $last_write_start = 0;
57

58 59 60 61 62 63 64 65 66 67 68 69
my $cumul_read_indep = 0;
my $cumul_read_bytes_indep = 0;

my $cumul_write_indep = 0;
my $cumul_write_bytes_indep = 0;

my $cumul_read_shared = 0;
my $cumul_read_bytes_shared = 0;

my $cumul_write_shared = 0;
my $cumul_write_bytes_shared = 0;

70 71 72
my $cumul_meta_shared = 0;
my $cumul_meta_indep = 0;

73 74 75 76 77
my $first_data_line = 1;
my $current_rank = 0;
my $current_hash = 0;
my %file_record_hash = ();

78 79
my %fs_data = ();

80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105
while ($line = <TRACE>) {
    chop($line);
    
    if ($line =~ /^\s*$/) {
        # ignore blank lines
    }
    elsif ($line =~ /^#/) {
	if ($line =~ /^# exe: /) {
	    ($junk, $cmdline) = split(':', $line, 2);
            # add escape characters if needed for special characters in
            # command line
            $cmdline = encode('latex', $cmdline);
	}
	if ($line =~ /^# nprocs: /) {
	    ($junk, $nprocs) = split(':', $line, 2);
	    $procreads[$nprocs] = 0;
	}
	if ($line =~ /^# run time: /) {
	    ($junk, $runtime) = split(':', $line, 2);
	}
	if ($line =~ /^# start_time: /) {
	    ($junk, $starttime) = split(':', $line, 2);
	}
	if ($line =~ /^# uid: /) {
	    ($junk, $uid) = split(':', $line, 2);
	}
106 107 108
        if ($line =~ /^# jobid: /) {
	    ($junk, $jobid) = split(':', $line, 2);
        }
109 110 111 112 113
        if ($line =~ /^# darshan log version: /) {
            ($junk, $version) = split(':', $line, 2);
            $version =~ s/^\s+//;
            ($major, $minor) = split(/\./, $version, 2);
        }
114 115
    }
    else {
116
        # parse line
117
	@fields = split(/[\t ]+/, $line);
118 119 120 121 122 123 124 125 126 127

        # is this our first piece of data?
        if($first_data_line)
        {
            $current_rank = $fields[0];
            $current_hash = $fields[1];
            $first_data_line = 0;
        }

        # is this a new file record?
128
        if($fields[0] != $current_rank || $fields[1] != $current_hash)
129
        {
130 131
            $file_record_hash{CP_NAME_SUFFIX} = $fields[4];

132
            # process previous record
133
            process_file_record($current_rank, $current_hash, \%file_record_hash);
134 135 136 137 138 139 140 141 142

            # reset variables for next record 
            $current_rank = $fields[0];
            $current_hash = $fields[1];
            %file_record_hash = ();
        }

        $file_record_hash{$fields[2]} = $fields[3];

143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164
	$summary{$fields[2]} += $fields[3];

	# record per-process POSIX read count
	if ($fields[2] eq "CP_POSIX_READS") {
	    if ($fields[0] == -1) {
		$procreads[$nprocs] += $fields[3];
	    }
	    else {
		$procreads[$fields[0]] += $fields[3];
	    }
	}

	# record per-proces POSIX write count
	if ($fields[2] eq "CP_POSIX_WRITES") {
	    if ($fields[0] == -1) {
		$procwrites[$nprocs] += $fields[3];
	    }
	    else {
		$procwrites[$fields[0]] += $fields[3];
	    }
	}

165
        # seperate accumulators for independent and shared reads and writes
Philip Carns's avatar
Philip Carns committed
166
        if ($fields[2] eq "CP_F_POSIX_READ_TIME" && $fields[0] == -1){
167 168
            $cumul_read_shared += $fields[3];
        }
Philip Carns's avatar
Philip Carns committed
169
        if ($fields[2] eq "CP_F_POSIX_READ_TIME" && $fields[0] != -1){
170 171
            $cumul_read_indep += $fields[3];
        }
Philip Carns's avatar
Philip Carns committed
172
        if ($fields[2] eq "CP_F_POSIX_WRITE_TIME" && $fields[0] == -1){
173 174
            $cumul_write_shared += $fields[3];
        }
Philip Carns's avatar
Philip Carns committed
175
        if ($fields[2] eq "CP_F_POSIX_WRITE_TIME" && $fields[0] != -1){
176 177 178
            $cumul_write_indep += $fields[3];
        }

179 180 181 182 183 184 185
        if ($fields[2] eq "CP_F_POSIX_META_TIME" && $fields[0] == -1){
            $cumul_meta_shared += $fields[3];
        }
        if ($fields[2] eq "CP_F_POSIX_META_TIME" && $fields[0] != -1){
            $cumul_meta_indep += $fields[3];
        }

186 187
        if ((($fields[2] eq "CP_BYTES_READ") or
             ($fields[2] eq "CP_BYTES_WRITTEN")) and
188 189 190 191
            not defined($fs_data{$fields[5]}))
        {
            $fs_data{$fields[5]} = [0,0];
        }
192

Philip Carns's avatar
Philip Carns committed
193
        if ($fields[2] eq "CP_BYTES_READ" && $fields[0] == -1){
194
            $cumul_read_bytes_shared += $fields[3];
195
            $fs_data{$fields[5]}->[0] += $fields[3];
196
        }
Philip Carns's avatar
Philip Carns committed
197
        if ($fields[2] eq "CP_BYTES_READ" && $fields[0] != -1){
198
            $cumul_read_bytes_indep += $fields[3];
199
            $fs_data{$fields[5]}->[0] += $fields[3];
200
        }
Philip Carns's avatar
Philip Carns committed
201
        if ($fields[2] eq "CP_BYTES_WRITTEN" && $fields[0] == -1){
202
            $cumul_write_bytes_shared += $fields[3];
203
            $fs_data{$fields[5]}->[1] += $fields[3];
204
        }
Philip Carns's avatar
Philip Carns committed
205
        if ($fields[2] eq "CP_BYTES_WRITTEN" && $fields[0] != -1){
206
            $cumul_write_bytes_indep += $fields[3];
207
            $fs_data{$fields[5]}->[1] += $fields[3];
208 209
        }

210 211 212 213 214 215 216 217 218 219 220 221 222 223
        # record start and end of reads and writes

        if ($fields[2] eq "CP_F_READ_START_TIMESTAMP") {
            # store until we find the end
            # adjust for systems that give absolute time stamps
            $last_read_start = $fields[3];
        }
        if ($fields[2] eq "CP_F_READ_END_TIMESTAMP" && $fields[3] != 0) {
            # assume we got the read start already 
            my $xdelta = $fields[3] - $last_read_start;
            # adjust for systems that have absolute time stamps 
            if($last_read_start > $starttime) {
                $last_read_start -= $starttime;
            }
224 225 226 227 228 229
            if($fields[0] == -1){
                print FA_READ_SH "$last_read_start\t0\t$xdelta\t0\n";
            }
            else{
                print FA_READ "$last_read_start\t$fields[0]\t$xdelta\t0\n";
            }
230 231 232 233 234 235 236 237 238 239 240 241
        }
        if ($fields[2] eq "CP_F_WRITE_START_TIMESTAMP") {
            # store until we find the end
            $last_write_start = $fields[3];
        }
        if ($fields[2] eq "CP_F_WRITE_END_TIMESTAMP" && $fields[3] != 0) {
            # assume we got the write start already 
            my $xdelta = $fields[3] - $last_write_start;
            # adjust for systems that have absolute time stamps 
            if($last_write_start > $starttime) {
                $last_write_start -= $starttime;
            }
242 243 244 245 246 247
            if($fields[0] == -1){
                print FA_WRITE_SH "$last_write_start\t0\t$xdelta\t0\n";
            }
            else{
                print FA_WRITE "$last_write_start\t$fields[0]\t$xdelta\t0\n";
            }
248 249
        }

250 251
        if ($fields[2] =~ /^CP_ACCESS(.)_ACCESS/) {
            $access_size[$1] = $fields[3];
252
        }
253 254 255 256
        if ($fields[2] =~ /^CP_ACCESS(.)_COUNT/) {
            my $tmp_access_size = $access_size[$1];
            if(defined $access_hash{$tmp_access_size}){
                $access_hash{$tmp_access_size} += $fields[3];
257
            }
258 259
            else{
                $access_hash{$tmp_access_size} = $fields[3];
260 261 262 263 264
            }
        }
    }
}

265
# process last file record
266
$file_record_hash{CP_NAME_SUFFIX} = $fields[4];
267
process_file_record($current_rank, $current_hash, \%file_record_hash);
268
close(TRACE) || die "darshan-parser failure: $! $?";
269

270 271 272 273
# Fudge one point at the end to make xrange match in read and write plots.
# For some reason I can't get the xrange command to work.  -Phil
print FA_READ "$runtime\t-1\t0\t0\n";
print FA_WRITE "$runtime\t-1\t0\t0\n";
274 275
print FA_READ_SH "$runtime\t0\t0\t0\n";
print FA_WRITE_SH "$runtime\t0\t0\t0\n";
276 277
close(FA_READ);
close(FA_WRITE);
278 279
close(FA_READ_SH);
close(FA_WRITE_SH);
280

281
# counts of operations
282
open(COUNTS, ">$tmp_dir/counts.dat") || die("error opening output file: $!\n");
283 284
print COUNTS "# P=POSIX, MI=MPI-IO indep., MC=MPI-IO coll., R=read, W=write\n";
print COUNTS "# PR, MIR, MCR, PW, MIW, MCW, Popen, Pseek, Pstat\n";
285
my $total_posix_opens = $summary{CP_POSIX_OPENS} + $summary{CP_POSIX_FOPENS};
286
my $total_syncs = $summary{CP_POSIX_FSYNCS} + $summary{CP_POSIX_FDSYNCS};
287 288 289 290
print COUNTS "Read, ", $summary{CP_POSIX_READS}, ", ",
    $summary{CP_INDEP_READS}, ", ", $summary{CP_COLL_READS}, "\n",
    "Write, ", $summary{CP_POSIX_WRITES}, ", ", 
    $summary{CP_INDEP_WRITES}, ", ", $summary{CP_COLL_WRITES}, "\n",
291
    "Open, ", $total_posix_opens, ", ", $summary{CP_INDEP_OPENS},", ",
292 293 294
    $summary{CP_COLL_OPENS}, "\n",
    "Stat, ", $summary{CP_POSIX_STATS}, ", 0, 0\n",
    "Seek, ", $summary{CP_POSIX_SEEKS}, ", 0, 0\n",
295 296
    "Mmap, ", $summary{CP_POSIX_MMAPS}, ", 0, 0\n",
    "Fsync, ", $total_syncs, ", 0, 0\n";
297 298 299
close COUNTS;

# histograms of reads and writes
300
open (HIST, ">$tmp_dir/hist.dat") || die("error opening output file: $!\n");
301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324
print HIST "# size_range read write\n";
print HIST "0-100, ", $summary{CP_SIZE_READ_0_100}, ", ",
                 $summary{CP_SIZE_WRITE_0_100}, "\n";
print HIST "101-1K, ", $summary{CP_SIZE_READ_100_1K}, ", ",
                 $summary{CP_SIZE_WRITE_100_1K}, "\n";
print HIST "1K-10K, ", $summary{CP_SIZE_READ_1K_10K}, ", ",
                 $summary{CP_SIZE_WRITE_1K_10K}, "\n";
print HIST "10K-100K, ", $summary{CP_SIZE_READ_10K_100K}, ", ",
                 $summary{CP_SIZE_WRITE_10K_100K}, "\n";
print HIST "100K-1M, ", $summary{CP_SIZE_READ_100K_1M}, ", ",
                 $summary{CP_SIZE_WRITE_100K_1M}, "\n";
print HIST "1M-4M, ", $summary{CP_SIZE_READ_1M_4M}, ", ",
                 $summary{CP_SIZE_WRITE_1M_4M}, "\n";
print HIST "4M-10M, ", $summary{CP_SIZE_READ_4M_10M}, ", ",
                 $summary{CP_SIZE_WRITE_4M_10M}, "\n";
print HIST "10M-100M, ", $summary{CP_SIZE_READ_10M_100M}, ", ",
                 $summary{CP_SIZE_WRITE_10M_100M}, "\n";
print HIST "100M-1G, ", $summary{CP_SIZE_READ_100M_1G}, ", ",
                 $summary{CP_SIZE_WRITE_100M_1G}, "\n";
print HIST "1G+, ", $summary{CP_SIZE_READ_1G_PLUS}, ", ",
                 $summary{CP_SIZE_WRITE_1G_PLUS}, "\n";
close HIST;

# sequential and consecutive accesses
325
open (PATTERN, ">$tmp_dir/pattern.dat") || die("error opening output file: $!\n");
326 327 328 329 330 331 332 333
print PATTERN "# op total sequential consecutive\n";
print PATTERN "Read, ", $summary{CP_POSIX_READS}, ", ",
    $summary{CP_SEQ_READS}, ", ", $summary{CP_CONSEC_READS}, "\n";
print PATTERN "Write, ", $summary{CP_POSIX_WRITES}, ", ",
    $summary{CP_SEQ_WRITES}, ", ", $summary{CP_CONSEC_WRITES}, "\n";
close PATTERN;

# aligned I/O
334
open (ALIGN, ">$tmp_dir/align.dat") || die("error opening output file: $!\n");
335 336 337 338 339 340
print ALIGN "# total unaligned_mem unaligned_file align_mem align_file\n";
print ALIGN $summary{CP_POSIX_READS} + $summary{CP_POSIX_WRITES}, ", ",
    $summary{CP_MEM_NOT_ALIGNED}, ", ", $summary{CP_FILE_NOT_ALIGNED}, "\n";
close ALIGN;

# MPI types
341
open (TYPES, ">$tmp_dir/types.dat") || die("error opening output file: $!\n");
342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388
print TYPES "# type use_count\n";
print TYPES "Named, ", $summary{CP_COMBINER_NAMED}, "\n";
print TYPES "Dup, ", $summary{CP_COMBINER_DUP}, "\n";
print TYPES "Contig, ", $summary{CP_COMBINER_CONTIGUOUS}, "\n";
print TYPES "Vector, ", $summary{CP_COMBINER_VECTOR}, "\n";
print TYPES "HvecInt, ", $summary{CP_COMBINER_HVECTOR_INTEGER}, "\n";
print TYPES "Hvector, ", $summary{CP_COMBINER_HVECTOR}, "\n";
print TYPES "Indexed, ", $summary{CP_COMBINER_INDEXED}, "\n";
print TYPES "HindInt, ", $summary{CP_COMBINER_HINDEXED_INTEGER}, "\n";
print TYPES "Hindexed, ", $summary{CP_COMBINER_HINDEXED}, "\n";
print TYPES "IndBlk, ", $summary{CP_COMBINER_INDEXED_BLOCK}, "\n";
print TYPES "StructInt, ", $summary{CP_COMBINER_STRUCT_INTEGER}, "\n";
print TYPES "Struct, ", $summary{CP_COMBINER_STRUCT}, "\n";
print TYPES "Subarray, ", $summary{CP_COMBINER_SUBARRAY}, "\n";
print TYPES "Darray, ", $summary{CP_COMBINER_DARRAY}, "\n";
print TYPES "F90Real, ", $summary{CP_COMBINER_F90_REAL}, "\n";
print TYPES "F90Complex, ", $summary{CP_COMBINER_F90_COMPLEX}, "\n";
print TYPES "F90Int, ", $summary{CP_COMBINER_F90_INTEGER}, "\n";
print TYPES "Resized, ", $summary{CP_COMBINER_RESIZED}, "\n";
close TYPES;

# generate histogram of process I/O counts
#
# NOTE: NEED TO FILL IN ACTUAL WRITE DATA!!!
#
$minprocread = (defined $procreads[0]) ? $procreads[0] : 0;
$maxprocread = (defined $procreads[0]) ? $procreads[0] : 0;
for ($i=1; $i < $nprocs; $i++) {
    $rdi = (defined $procreads[$i]) ? $procreads[$i] : 0;
    $minprocread = ($rdi > $minprocread) ? $minprocread : $rdi;
    $maxprocread = ($rdi < $maxprocread) ? $maxprocread : $rdi;
}
$minprocread += $procreads[$nprocs];
$maxprocread += $procreads[$nprocs];
# print "$minprocread $maxprocread\n";

@bucket = ( 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 );

for ($i=0; $i < $nprocs; $i++) {
    $mysize = ((defined $procreads[$i]) ? $procreads[$i] : 0) +
	$procreads[$nprocs];
    $mysize -= $minprocread;
    $mybucket = ($mysize > 0) ?
	(($mysize * 10) / ($maxprocread - $minprocread)) : 0;
    $bucket[$mybucket]++;
}

389
open(IODIST, ">$tmp_dir/iodist.dat") || die("error opening output file: $!\n");
390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410
print IODIST "# bucket n_procs_rd n_procs_wr\n";
print IODIST "# NOTE: WRITES ARE A COPY OF READS FOR NOW!!!\n";

$bucketsize = $maxprocread - $minprocread / 10;
# TODO: do writes also, is dropping a 0 in for now
for ($i=0; $i < 10; $i++) {
    print IODIST $bucketsize * $i + $minprocread, "-",
    $bucketsize * ($i+1) + $minprocread, ", ", $bucket[$i], ", 0\n";
}
close IODIST;

# generate title for summary
($executable, $junk) = split(' ', $cmdline, 2);
@parts = split('/', $executable);
$cmd = $parts[$#parts];

@timearray = localtime($starttime);
$year = $timearray[5] + 1900;
$mon = $timearray[4] + 1;
$mday = $timearray[3];

411
open(TITLE, ">$tmp_dir/title.tex") || die("error opening output file:$!\n");
412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428
print TITLE "
\\rhead{\\thepage\\ of \\pageref{LastPage}}
\\chead[
\\large $cmd ($mon/$mday/$year)
]
{
\\large $cmd ($mon/$mday/$year)
}
\\cfoot[
\\scriptsize{$cmdline}
]
{
\\scriptsize{$cmdline}
}
";
close TITLE;

429
open(TABLES, ">$tmp_dir/job-table.tex") || die("error opening output file:$!\n");
430
print TABLES "
431
\\begin{tabular}{|p{.47\\columnwidth}|p{.35\\columnwidth}|p{.47\\columnwidth}|p{.6\\columnwidth}|}
432
\\hline
433
jobid: $jobid \& uid: $uid \& nprocs: $nprocs \& runtime: $runtime seconds\\\\
434 435 436 437 438
\\hline
\\end{tabular}
";
close TABLES;

439
open(TABLES, ">$tmp_dir/access-table.tex") || die("error opening output file:$!\n");
440
print TABLES "
Philip Carns's avatar
Philip Carns committed
441
\\begin{tabular}{r|r}
442
\\multicolumn{2}{c}{ } \\\\
443
\\multicolumn{2}{c}{Most Common Access Sizes} \\\\
444 445 446
\\hline
access size \& count \\\\
\\hline
Philip Carns's avatar
Philip Carns committed
447
\\hline
448 449
";

450 451
# sort access sizes (descending)
my $i = 0;
452 453
foreach $value (sort {$access_hash{$b} <=> $access_hash{$a} } keys %access_hash) {
    if($i == 4) {
454 455 456 457 458 459 460 461 462
        last;
    }
    if($access_hash{$value} == 0) {
        last;
    }
    print TABLES "$value \& $access_hash{$value} \\\\\n";
    $i++;
}

463 464 465 466 467 468
print TABLES "
\\hline
\\end{tabular}
";
close TABLES;

Philip Carns's avatar
Philip Carns committed
469 470 471
open(TABLES, ">$tmp_dir/file-count-table.tex") || die("error opening output file:$!\n");
print TABLES "
\\begin{tabular}{r|r|r|r}
472
\\multicolumn{4}{c}{ } \\\\
Philip Carns's avatar
Philip Carns committed
473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507
\\multicolumn{4}{c}{File Count Summary} \\\\
\\hline
type \& number of files \& avg. size \& max size \\\\
\\hline
\\hline
";
my $counter;
my $sum;
my $max;
my $key;
my $avg;

$counter = 0;
$sum = 0;
$max = 0;
foreach $key (keys %hash_files) {
    $counter++;
    if($hash_files{$key}{'min_open_size'} >
        $hash_files{$key}{'max_size'})
    {
        $sum += $hash_files{$key}{'min_open_size'};
        if($hash_files{$key}{'min_open_size'} > $max)
        {
            $max = $hash_files{$key}{'min_open_size'};
        }
    }
    else
    {
        $sum += $hash_files{$key}{'max_size'};
        if($hash_files{$key}{'max_size'} > $max)
        {
            $max = $hash_files{$key}{'max_size'};
        }
    }
}
508 509
if($counter > 0) { $avg = $sum / $counter; }
else { $avg = 0; }
510 511
$avg = format_bytes($avg);
$max = format_bytes($max);
Philip Carns's avatar
Philip Carns committed
512 513
print TABLES "total opened \& $counter \& $avg \& $max \\\\\n";

514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643
$counter = 0;
$sum = 0;
$max = 0;
foreach $key (keys %hash_files) {
    if($hash_files{$key}{'was_read'} && !($hash_files{$key}{'was_written'}))
    {
        $counter++;
        if($hash_files{$key}{'min_open_size'} >
            $hash_files{$key}{'max_size'})
        {
            $sum += $hash_files{$key}{'min_open_size'};
            if($hash_files{$key}{'min_open_size'} > $max)
            {
                $max = $hash_files{$key}{'min_open_size'};
            }
        }
        else
        {
            $sum += $hash_files{$key}{'max_size'};
            if($hash_files{$key}{'max_size'} > $max)
            {
                $max = $hash_files{$key}{'max_size'};
            }
        }
    }
}
if($counter > 0) { $avg = $sum / $counter; }
else { $avg = 0; }
$avg = format_bytes($avg);
$max = format_bytes($max);
print TABLES "read-only files \& $counter \& $avg \& $max \\\\\n";

$counter = 0;
$sum = 0;
$max = 0;
foreach $key (keys %hash_files) {
    if(!($hash_files{$key}{'was_read'}) && $hash_files{$key}{'was_written'})
    {
        $counter++;
        if($hash_files{$key}{'min_open_size'} >
            $hash_files{$key}{'max_size'})
        {
            $sum += $hash_files{$key}{'min_open_size'};
            if($hash_files{$key}{'min_open_size'} > $max)
            {
                $max = $hash_files{$key}{'min_open_size'};
            }
        }
        else
        {
            $sum += $hash_files{$key}{'max_size'};
            if($hash_files{$key}{'max_size'} > $max)
            {
                $max = $hash_files{$key}{'max_size'};
            }
        }
    }
}
if($counter > 0) { $avg = $sum / $counter; }
else { $avg = 0; }
$avg = format_bytes($avg);
$max = format_bytes($max);
print TABLES "write-only files \& $counter \& $avg \& $max \\\\\n";

$counter = 0;
$sum = 0;
$max = 0;
foreach $key (keys %hash_files) {
    if($hash_files{$key}{'was_read'} && $hash_files{$key}{'was_written'})
    {
        $counter++;
        if($hash_files{$key}{'min_open_size'} >
            $hash_files{$key}{'max_size'})
        {
            $sum += $hash_files{$key}{'min_open_size'};
            if($hash_files{$key}{'min_open_size'} > $max)
            {
                $max = $hash_files{$key}{'min_open_size'};
            }
        }
        else
        {
            $sum += $hash_files{$key}{'max_size'};
            if($hash_files{$key}{'max_size'} > $max)
            {
                $max = $hash_files{$key}{'max_size'};
            }
        }
    }
}
if($counter > 0) { $avg = $sum / $counter; }
else { $avg = 0; }
$avg = format_bytes($avg);
$max = format_bytes($max);
print TABLES "read/write files \& $counter \& $avg \& $max \\\\\n";

$counter = 0;
$sum = 0;
$max = 0;
foreach $key (keys %hash_files) {
    if($hash_files{$key}{'was_written'} &&
        $hash_files{$key}{'min_open_size'} == 0 &&
        $hash_files{$key}{'max_size'} > 0)
    {
        $counter++;
        if($hash_files{$key}{'min_open_size'} >
            $hash_files{$key}{'max_size'})
        {
            $sum += $hash_files{$key}{'min_open_size'};
            if($hash_files{$key}{'min_open_size'} > $max)
            {
                $max = $hash_files{$key}{'min_open_size'};
            }
        }
        else
        {
            $sum += $hash_files{$key}{'max_size'};
            if($hash_files{$key}{'max_size'} > $max)
            {
                $max = $hash_files{$key}{'max_size'};
            }
        }
    }
}
if($counter > 0) { $avg = $sum / $counter; }
else { $avg = 0; }
$avg = format_bytes($avg);
$max = format_bytes($max);
print TABLES "created files \& $counter \& $avg \& $max \\\\\n";

Philip Carns's avatar
Philip Carns committed
644 645 646 647 648 649 650
print TABLES "
\\hline
\\end{tabular}
";
close(TABLES);


651 652 653 654
#
# Generate Per Filesystem Data
#
open(TABLES, ">$tmp_dir/fs-data-table.tex") || die("error opening output files:$!\n");
655
if (($major > 1) or ($minor > 23))
656
{
657 658 659 660 661 662 663 664 665 666 667 668
    print TABLES "
    \\begin{tabular}{c|r|r|r|r}
    \\multicolumn{5}{c}{ } \\\\
    \\multicolumn{5}{c}{Data Transfer Per Filesystem} \\\\
    \\hline
    \\multirow{2}{*}{File System} \& \\multicolumn{2}{c}{Write} \\vline \& \\multicolumn{2}{c}{Read} \\\\
    \\cline{2-5}
    \& MiB \& Ratio \& MiB \& Ratio \\\\\
    \\hline
    \\hline
    ";
    foreach $key (keys %fs_data)
669
    {
670 671 672
        my $wr_total_mb = ($fs_data{$key}->[1] / (1024*1024));
        my $rd_total_mb = ($fs_data{$key}->[0] / (1024*1024));
        my $wr_total_rt;
673

674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691
        if ($cumul_write_bytes_shared+$cumul_write_bytes_shared)
        {
            $wr_total_rt = ($fs_data{$key}->[1] / ($cumul_write_bytes_shared + $cumul_write_bytes_indep));
        }
        else
        {
            $wr_total_rt = 0;
        }

        my $rd_total_rt;
        if ($cumul_read_bytes_shared+$cumul_read_bytes_indep)
        {
            $rd_total_rt = ($fs_data{$key}->[0] / ($cumul_read_bytes_shared + $cumul_read_bytes_indep));
        }
        else
        {
            $rd_total_rt = 0;
        }
692

693 694
        printf TABLES "%s \& %.5f \& %.5f \& %.5f \& %.5f \\\\\n",
            $key, $wr_total_mb, $wr_total_rt, $rd_total_mb, $rd_total_rt;
695 696 697 698 699
}
print TABLES "
\\hline
\\end{tabular}
";
700 701 702 703 704 705 706 707
}
else
{
    print TABLES "
\\rule{0in}{1in}
\\parbox{5in}{Log versions prior to 1.24 do not support per-filesystem data.}
";
}
708 709 710
close(TABLES);


711
open(TIME, ">$tmp_dir/time-summary.dat") || die("error opening output file:$!\n");
712 713 714 715 716 717 718 719 720 721 722 723 724 725 726
print TIME "# <type>, <app time>, <read>, <write>, <meta>\n";
print TIME "POSIX, ", ((($runtime * $nprocs - $summary{CP_F_POSIX_READ_TIME} -
    $summary{CP_F_POSIX_WRITE_TIME} -
    $summary{CP_F_POSIX_META_TIME})/($runtime * $nprocs)) * 100);
print TIME ", ", (($summary{CP_F_POSIX_READ_TIME}/($runtime * $nprocs))*100);
print TIME ", ", (($summary{CP_F_POSIX_WRITE_TIME}/($runtime * $nprocs))*100);
print TIME ", ", (($summary{CP_F_POSIX_META_TIME}/($runtime * $nprocs))*100), "\n";
print TIME "MPI-IO, ", ((($runtime * $nprocs - $summary{CP_F_MPI_READ_TIME} -
    $summary{CP_F_MPI_WRITE_TIME} -
    $summary{CP_F_MPI_META_TIME})/($runtime * $nprocs)) * 100);
print TIME ", ", (($summary{CP_F_MPI_READ_TIME}/($runtime * $nprocs))*100);
print TIME ", ", (($summary{CP_F_MPI_WRITE_TIME}/($runtime * $nprocs))*100);
print TIME ", ", (($summary{CP_F_MPI_META_TIME}/($runtime * $nprocs))*100), "\n";
close TIME;

727
# copy template files to tmp tmp_dir
Philip Carns's avatar
Philip Carns committed
728 729
system "cp $FindBin::Bin/../share/*.gplt $tmp_dir/";
system "cp $FindBin::Bin/../share/*.tex $tmp_dir/";
730

731 732 733 734 735 736 737
# generate template for file access plot (we have to set range)
my $ymax = $nprocs + 1;
open(FILEACC, ">$tmp_dir/file-access-read-eps.gplt") || die("error opening output file:$!\n");
print FILEACC "#!/usr/bin/gnuplot -persist

set terminal postscript eps color solid font \"Helvetica\" 18 size 10in,2.5in
set output \"file-access-read.eps\"
738 739
set ylabel \"MPI rank\"
set xlabel \"hours:minutes:seconds\"
740 741 742
set xdata time
set timefmt \"%s\"
set format x \"%H:%M:%S\"
743
set yrange [-1:$ymax]
Philip Carns's avatar
Philip Carns committed
744
set title \"Timespan from first to last read access on independent files\"
745 746 747
# the xrange doesn't work for some reason
#set xrange [0:$runtime]
#set ytics -1,1
748
set lmargin 4
749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767

# color blindness work around
set style line 2 lc 3
set style line 3 lc 4
set style line 4 lc 5
set style line 5 lc 2
set style increment user

# lw 3 to make lines thicker...
# note that writes are slightly offset for better visibility
plot \"file-access-read.dat\" using 1:2:3:4 with vectors nohead filled notitle
";
close FILEACC;

open(FILEACC, ">$tmp_dir/file-access-write-eps.gplt") || die("error opening output file:$!\n");
print FILEACC "#!/usr/bin/gnuplot -persist

set terminal postscript eps color solid font \"Helvetica\" 18 size 10in,2.5in
set output \"file-access-write.eps\"
768 769
set ylabel \"MPI rank\"
set xlabel \"hours:minutes:seconds\"
770 771 772
set xdata time
set timefmt \"%s\"
set format x \"%H:%M:%S\"
Philip Carns's avatar
Philip Carns committed
773
set title \"Timespan from first to last write access on independent files\"
774
set yrange [-1:$ymax]
775 776 777
# the xrange doesn't work for some reason
# set xrange [0:$runtime]
#set ytics -1,1
778
set lmargin 4
779 780 781 782 783 784 785 786 787 788 789 790 791

# color blindness work around
set style line 2 lc 3
set style line 3 lc 4
set style line 4 lc 5
set style line 5 lc 2
set style increment user

# lw 3 to make lines thicker...
plot \"file-access-write.dat\" using 1:2:3:4 with vectors nohead filled lt 2 notitle
";
close FILEACC;

792 793 794 795 796 797 798 799 800 801
open(FILEACC, ">$tmp_dir/file-access-shared-eps.gplt") || die("error opening output file:$!\n");
print FILEACC "#!/usr/bin/gnuplot -persist

set terminal postscript eps color solid font \"Helvetica\" 18 size 10in,2.5in
set output \"file-access-shared.eps\"
set xlabel \"hours:minutes:seconds\"
set xdata time
set timefmt \"%s\"
set format x \"%H:%M:%S\"
unset ytics
802
set ylabel \"All processes\"
803 804 805
# the xrange doesn't work for some reason
# set xrange [0:$runtime]
set yrange [-1:1]
Philip Carns's avatar
Philip Carns committed
806
set title \"Timespan from first to last access on files shared by all processes\"
807
set lmargin 4
808 809 810 811 812 813 814 815 816 817 818 819 820

# color blindness work around
set style line 2 lc 3
set style line 3 lc 4
set style line 4 lc 5
set style line 5 lc 2
set style increment user

plot \"file-access-read-sh.dat\" using 1:2:3:4 with vectors nohead filled lw 10 title \"read\", \\
\"file-access-write-sh.dat\" using 1:((\$2)-.2):3:4 with vectors nohead filled lw 10 title \"write\"
";
close FILEACC;

821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836
$cumul_read_indep /= $nprocs;
$cumul_read_bytes_indep /= $nprocs;
$cumul_read_bytes_indep /= 1048576.0;

$cumul_write_indep /= $nprocs;
$cumul_write_bytes_indep /= $nprocs;
$cumul_write_bytes_indep /= 1048576.0;

$cumul_read_shared /= $nprocs;
$cumul_read_bytes_shared /= $nprocs;
$cumul_read_bytes_shared /= 1048576.0;

$cumul_write_shared /= $nprocs;
$cumul_write_bytes_shared /= $nprocs;
$cumul_write_bytes_shared /= 1048576.0;

837 838 839
$cumul_meta_shared /= $nprocs;
$cumul_meta_indep /= $nprocs;

840
open(FILEACC, ">$tmp_dir/file-access-table.tex") || die("error opening output file:$!\n");
841
print FILEACC "
Philip Carns's avatar
Philip Carns committed
842 843 844 845
\\begin{tabular}{l|p{1.7in}r}
\\multicolumn{3}{c}{Average I/O per process} \\\\
\\hline
 \& Cumulative time spent in I/O functions (seconds) \& Amount of I/O (MB) \\\\
846 847
\\hline
\\hline
Philip Carns's avatar
Philip Carns committed
848 849
";

Philip Carns's avatar
Philip Carns committed
850 851 852 853 854
# printf to get consistent precision in output
printf(FILEACC "Independent reads \& \\multicolumn{1}{r}{%f} \& \\multicolumn{1}{r}{%f} \\\\", 
    $cumul_read_indep, $cumul_read_bytes_indep);
printf(FILEACC "Independent writes \& \\multicolumn{1}{r}{%f} \& \\multicolumn{1}{r}{%f} \\\\", 
    $cumul_write_indep, $cumul_write_bytes_indep);
855 856
printf(FILEACC "Independent metadata \& \\multicolumn{1}{r}{%f} \& \\multicolumn{1}{r}{N/A} \\\\", 
    $cumul_meta_indep);
Philip Carns's avatar
Philip Carns committed
857 858 859 860
printf(FILEACC "Shared reads \& \\multicolumn{1}{r}{%f} \& \\multicolumn{1}{r}{%f} \\\\", 
    $cumul_read_shared, $cumul_read_bytes_shared);
printf(FILEACC "Shared writes \& \\multicolumn{1}{r}{%f} \& \\multicolumn{1}{r}{%f} \\\\", 
    $cumul_write_shared, $cumul_write_bytes_shared);
861 862
printf(FILEACC "Shared metadata \& \\multicolumn{1}{r}{%f} \& \\multicolumn{1}{r}{N/A} \\\\", 
    $cumul_meta_shared);
Philip Carns's avatar
Philip Carns committed
863 864

print FILEACC "
865 866 867
\\hline
\\end{tabular}
";
868 869
close(FILEACC);

870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893
#
# Variance Data
#
open(VARP, ">$tmp_dir/variance-table.tex") || die("error opening output file:$!\n");
print VARP "
\\begin{tabular}{c|r|r|r|r|r|r|r|r|r}
\\multicolumn{10}{c}{} \\\\
\\multicolumn{10}{c}{Variance in Shared Files} \\\\
\\hline
File \& Processes \& \\multicolumn{3}{c}{Fastest} \\vline \&
\\multicolumn{3}{c}{Slowest} \\vline \& \\multicolumn{2}{c}{\$\\sigma\$} \\\\
\\cline{3-10}
Suffix \&  \& Rank \& Time \& Bytes \& Rank \& Time \& Bytes \& Time \& Bytes \\\\
\\hline
\\hline
";

foreach $key (keys %hash_files) {
    if ($hash_files{$key}{'procs'} > 1)
    {
        my $vt = sprintf("%.3g", sqrt($hash_files{$key}{'variance_time'}));
        my $vb = sprintf("%.3g", sqrt($hash_files{$key}{'variance_bytes'}));
        my $fast_bytes = format_bytes($hash_files{$key}{'fastest_bytes'});
        my $slow_bytes = format_bytes($hash_files{$key}{'slowest_bytes'});
894
        my $name = encode('latex', $hash_files{$key}{'name'});
895 896

        print VARP "
897
               $name \&
898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916
               $hash_files{$key}{'procs'} \&
               $hash_files{$key}{'fastest_rank'} \&
               $hash_files{$key}{'fastest_time'} \&
               $fast_bytes \&
               $hash_files{$key}{'slowest_rank'} \&
               $hash_files{$key}{'slowest_time'} \& 
               $slow_bytes \&
               $vt \&
               $vb \\\\
         ";
    }
}

print VARP "
\\hline
\\end{tabular}
";
close(VARP);

917 918 919 920 921 922 923 924 925 926
# calculate performance
##########################################################################

# what was the slowest time by any proc for unique file access?
my $slowest_uniq_time = 0;
if(keys %hash_unique_file_time > 0)
{
    $slowest_uniq_time < $_ and $slowest_uniq_time = $_ for values %hash_unique_file_time;
}
print("Slowest unique file time: $slowest_uniq_time\n");
927
print("Slowest shared file time: $shared_file_time\n");
928 929 930
print("Total bytes read and written by app (may be incorrect): $total_job_bytes\n");
my $tmp_total_time = $slowest_uniq_time+$shared_file_time;
print("Total absolute I/O time: $tmp_total_time\n");
931

932 933 934 935 936 937 938 939 940 941 942 943
if(-x "$FindBin::Bin/gnuplot")
{
    $gnuplot = "$FindBin::Bin/gnuplot";
}
else
{
    $gnuplot = "gnuplot";
}

# move to tmp_dir
chdir $tmp_dir;

944
# execute gnuplot scripts
945
system "$gnuplot counts-eps.gplt";
946
system "epstopdf counts.eps";
947
system "$gnuplot hist-eps.gplt";
948
system "epstopdf hist.eps";
949
system "$gnuplot pattern-eps.gplt";
950
system "epstopdf pattern.eps";
951
system "$gnuplot time-summary-eps.gplt";
952
system "epstopdf time-summary.eps";
953 954 955 956
system "$gnuplot file-access-read-eps.gplt";
system "epstopdf file-access-read.eps";
system "$gnuplot file-access-write-eps.gplt";
system "epstopdf file-access-write.eps";
957 958
system "$gnuplot file-access-shared-eps.gplt";
system "epstopdf file-access-shared.eps";
959

960 961 962 963
#system "gnuplot align-pdf.gplt";
#system "gnuplot iodist-pdf.gplt";
#system "gnuplot types-pdf.gplt";

964 965 966 967
# generate summary PDF
system "pdflatex -halt-on-error summary.tex > latex.output";
system "pdflatex -halt-on-error summary.tex > latex.output2";

968 969 970 971
# get back out of tmp dir and grab results
chdir $orig_dir;
system "mv $tmp_dir/summary.pdf $output_file";

972

973 974
sub process_file_record
{
975 976 977 978 979 980
    my $rank = $_[0];
    my $hash = $_[1];
    my(%file_record) = %{$_[2]};

    if($file_record{'CP_INDEP_OPENS'} == 0 &&
        $file_record{'CP_COLL_OPENS'} == 0 &&
981
        $file_record{'CP_POSIX_OPENS'} == 0 &&
982
        $file_record{'CP_POSIX_FOPENS'} == 0)
983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060
    {
        # file wasn't really opened, just stat probably
        return;
    }

    # record smallest open time size reported by any rank
    if(!defined($hash_files{$hash}{'min_open_size'}) ||
        $hash_files{$hash}{'min_open_size'} > 
        $file_record{'CP_SIZE_AT_OPEN'})
    {
        $hash_files{$hash}{'min_open_size'} = 
            $file_record{'CP_SIZE_AT_OPEN'};
    }

    # record largest size that the file reached at any rank
    if(!defined($hash_files{$hash}{'max_size'}) ||
        $hash_files{$hash}{'max_size'} <  
        ($file_record{'CP_MAX_BYTE_READ'} + 1))
    {
        $hash_files{$hash}{'max_size'} = 
            $file_record{'CP_MAX_BYTE_READ'} + 1;
    }
    if(!defined($hash_files{$hash}{'max_size'}) ||
        $hash_files{$hash}{'max_size'} <  
        ($file_record{'CP_MAX_BYTE_WRITTEN'} + 1))
    {
        $hash_files{$hash}{'max_size'} = 
            $file_record{'CP_MAX_BYTE_WRITTEN'} + 1;
    }

    # make sure there is an initial value for read and write flags
    if(!defined($hash_files{$hash}{'was_read'}))
    {
        $hash_files{$hash}{'was_read'} = 0;
    }
    if(!defined($hash_files{$hash}{'was_written'}))
    {
        $hash_files{$hash}{'was_written'} = 0;
    }

    if($file_record{'CP_INDEP_OPENS'} > 0 ||
        $file_record{'CP_COLL_OPENS'} > 0)
    {
        # mpi file
        if($file_record{'CP_INDEP_READS'} > 0 ||
            $file_record{'CP_COLL_READS'} > 0 ||
            $file_record{'CP_SPLIT_READS'} > 0 ||
            $file_record{'CP_NB_READS'} > 0)
        {
            # data was read from the file
            $hash_files{$hash}{'was_read'} = 1;
        }
        if($file_record{'CP_INDEP_WRITES'} > 0 ||
            $file_record{'CP_COLL_WRITES'} > 0 ||
            $file_record{'CP_SPLIT_WRITES'} > 0 ||
            $file_record{'CP_NB_WRITES'} > 0)
        {
            # data was written to the file
            $hash_files{$hash}{'was_written'} = 1;
        }
    }
    else
    {
        # posix file
        if($file_record{'CP_POSIX_READS'} > 0 ||
            $file_record{'CP_POSIX_FREADS'} > 0)
        {
            # data was read from the file
            $hash_files{$hash}{'was_read'} = 1;
        }
        if($file_record{'CP_POSIX_WRITES'} > 0 ||
            $file_record{'CP_POSIX_FWRITES'} > 0)
        {
            # data was written to the file 
            $hash_files{$hash}{'was_written'} = 1;
        }
    }

1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135
    $hash_files{$hash}{'name'} = $file_record{CP_NAME_SUFFIX};

    if ($rank == -1)
    {
        $hash_files{$hash}{'procs'}          = $nprocs;
        $hash_files{$hash}{'slowest_rank'}   = $file_record{'CP_SLOWEST_RANK'};
        $hash_files{$hash}{'slowest_time'}   = $file_record{'CP_F_SLOWEST_RANK_TIME'};
        $hash_files{$hash}{'slowest_bytes'}  = $file_record{'CP_SLOWEST_RANK_BYTES'};
        $hash_files{$hash}{'fastest_rank'}   = $file_record{'CP_FASTEST_RANK'};
        $hash_files{$hash}{'fastest_time'}   = $file_record{'CP_F_FASTEST_RANK_TIME'};
        $hash_files{$hash}{'fastest_bytes'}  = $file_record{'CP_FASTEST_RANK_BYTES'};
        $hash_files{$hash}{'variance_time'}  = $file_record{'CP_F_VARIANCE_RANK_TIME'};
        $hash_files{$hash}{'variance_bytes'} = $file_record{'CP_F_VARIANCE_RANK_BYTES'};
    }
    else
    {
        my $total_time = $file_record{'CP_F_POSIX_META_TIME'} +
                         $file_record{'CP_F_POSIX_READ_TIME'} +
                         $file_record{'CP_F_POSIX_WRITE_TIME'};

        my $total_bytes = $file_record{'CP_BYTES_READ'} +
                          $file_record{'CP_BYTES_WRITTEN'};

        if(!defined($hash_files{$hash}{'slowest_time'}) ||
           $hash_files{$hash}{'slowest_time'} < $total_time)
        {
            $hash_files{$hash}{'slowest_time'}  = $total_time;
            $hash_files{$hash}{'slowest_rank'}  = $rank;
            $hash_files{$hash}{'slowest_bytes'} = $total_bytes;
        }

        if(!defined($hash_files{$hash}{'fastest_time'}) ||
           $hash_files{$hash}{'fastest_time'} > $total_time)
        {
            $hash_files{$hash}{'fastest_time'}  = $total_time;
            $hash_files{$hash}{'fastest_rank'}  = $rank;
            $hash_files{$hash}{'fastest_bytes'} = $total_bytes;
        }

        if(!defined($hash_files{$hash}{'variance_time_S'}))
        {
            $hash_files{$hash}{'variance_time_S'} = 0;
            $hash_files{$hash}{'variance_time_T'} = $total_time;
            $hash_files{$hash}{'variance_time_n'} = 1;
            $hash_files{$hash}{'variance_bytes_S'} = 0;
            $hash_files{$hash}{'variance_bytes_T'} = $total_bytes;
            $hash_files{$hash}{'variance_bytes_n'} = 1;
            $hash_files{$hash}{'procs'} = 1;
            $hash_files{$hash}{'variance_time'} = 0;
            $hash_files{$hash}{'variance_bytes'} = 0;
        }
        else
        {
            my $n = $hash_files{$hash}{'variance_time_n'};
            my $m = 1;
            my $T = $hash_files{$hash}{'variance_time_T'};
            $hash_files{$hash}{'variance_time_S'} += ($m/($n*($n+$m)))*(($n/$m)*$total_time - $T)*(($n/$m)*$total_time - $T);
            $hash_files{$hash}{'variance_time_T'} += $total_time;
            $hash_files{$hash}{'variance_time_n'} += 1;

            $hash_files{$hash}{'variance_time'}    = $hash_files{$hash}{'variance_time_S'} / $hash_files{$hash}{'variance_time_n'};

            $n = $hash_files{$hash}{'variance_bytes_n'};
            $m = 1;
            $T = $hash_files{$hash}{'variance_bytes_T'};
            $hash_files{$hash}{'variance_bytes_S'} += ($m/($n*($n+$m)))*(($n/$m)*$total_bytes - $T)*(($n/$m)*$total_bytes - $T);
            $hash_files{$hash}{'variance_bytes_T'} += $total_bytes;
            $hash_files{$hash}{'variance_bytes_n'} += 1;

            $hash_files{$hash}{'variance_bytes'}    = $hash_files{$hash}{'variance_bytes_S'} / $hash_files{$hash}{'variance_bytes_n'};

            $hash_files{$hash}{'procs'} = $n;
        }
    }

1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178
    # if this is a non-shared file, then add the time spent here to the
    # total for that particular rank
    if ($rank != -1)
    {
        # is it mpi-io or posix?
        if($file_record{CP_INDEP_OPENS} > 0 ||
            $file_record{CP_COLL_OPENS} > 0)
        {
            # add up mpi times
            if(defined($hash_unique_file_time{$rank}))
            {
                $hash_unique_file_time{$rank} +=
                    $file_record{CP_F_MPI_META_TIME} + 
                    $file_record{CP_F_MPI_READ_TIME} + 
                    $file_record{CP_F_MPI_WRITE_TIME};
            }
            else
            {
                $hash_unique_file_time{$rank} =
                    $file_record{CP_F_MPI_META_TIME} + 
                    $file_record{CP_F_MPI_READ_TIME} + 
                    $file_record{CP_F_MPI_WRITE_TIME};
            }
        }
        else
        {
            # add up posix times
            if(defined($hash_unique_file_time{$rank}))
            {
                $hash_unique_file_time{$rank} +=
                    $file_record{CP_F_POSIX_META_TIME} + 
                    $file_record{CP_F_POSIX_READ_TIME} + 
                    $file_record{CP_F_POSIX_WRITE_TIME};
            }
            else
            {
                $hash_unique_file_time{$rank} =
                    $file_record{CP_F_POSIX_META_TIME} + 
                    $file_record{CP_F_POSIX_READ_TIME} + 
                    $file_record{CP_F_POSIX_WRITE_TIME};
            }
        }
    }
1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204
    else
    {

        # cumulative time spent on shared files by slowest proc
        if($major > 1)
        {
            # new file format
            $shared_file_time += $file_record{'CP_F_SLOWEST_RANK_TIME'};
        }
        else
        {
            # old file format.  Guess time spent as duration between first open
            # and last io
            if($file_record{'CP_F_READ_END_TIMESTAMP'} >
                $file_record{'CP_F_WRITE_END_TIMESTAMP'})
            {
                $shared_file_time += $file_record{'CP_F_READ_END_TIMESTAMP'} -
                    $file_record{'CP_F_OPEN_TIMESTAMP'};
            }
            else
            {
                $shared_file_time += $file_record{'CP_F_WRITE_END_TIMESTAMP'} -
                    $file_record{'CP_F_OPEN_TIMESTAMP'};
            }
        }
    }
1205

1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226
    my $mpi_did_read = 
        $file_record{'CP_INDEP_READS'} + 
        $file_record{'CP_COLL_READS'} + 
        $file_record{'CP_NB_READS'} + 
        $file_record{'CP_SPLIT_READS'};

    # add up how many bytes were transferred
    if(($file_record{CP_INDEP_OPENS} > 0 ||
        $file_record{CP_COLL_OPENS} > 0) && (!($mpi_did_read)))
    {
        # mpi file that was only written; disregard any read accesses that
        # may have been performed for sieving at the posix level
        $total_job_bytes += $file_record{'CP_BYTES_WRITTEN'}; 
    }
    else
    {
        # normal case
        $total_job_bytes += $file_record{'CP_BYTES_WRITTEN'} +
            $file_record{'CP_BYTES_READ'};
    }

1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239
    # TODO 
    # (detect mpi or posix and):
    # - sum meta time per rank for uniq files
    # - sum io time per rank for uniq files
    # - sum time from first open to last io for shared files
    # - sum meta time/nprocs for shared files
    # - sum io time/nprocs for shared files
    
    # TODO: ideas
    # graph time spent performing I/O per rank
    # for rank that spent the most time performing I/O:
    # - meta on ro files, meta on wo files, read time, write time
    # table with nfiles accessed, ro, wo, rw, created
1240 1241
}

1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283
sub process_args
{
    use vars qw( $opt_help $opt_output );

    Getopt::Long::Configure("no_ignore_case", "bundling");
    GetOptions( "help",
        "output=s");

    if($opt_help)
    {
        print_help();
        exit(0);
    }

    if($opt_output)
    {
        $output_file = $opt_output;
    }

    # there should only be one remaining argument: the input file 
    if($#ARGV != 0)
    {
        print "Error: invalid arguments.\n";
        print_help();
        exit(1);
    }
    $input_file = $ARGV[0];

    return;
}

sub print_help
{
    print <<EOF;

Usage: $PROGRAM_NAME <options> input_file

    --help          Prints this help message
    --output        Specifies a file to write pdf output to
                    (defaults to ./summary.pdf)
Purpose:

1284 1285
    This script reads a Darshan output file generated by a job and
    generates a pdf file summarizing job behavior.
1286 1287 1288 1289

EOF
    return;
}