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lustreOSS.ph
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lustreOSS.ph
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# copyright, 2014 Terascala, Inc. All rights reserved
#
# lustreOSS may be copied only under the terms of either the Artistic License
# or the GNU General Public License
# Lustre OSS Data Collector
use strict;
# Allow reference to collectl variables, but be CAREFUL as these should be treated as readonly
our ($miniFiller, $rate, $SEP, $datetime, $intSecs, $totSecs, $showColFlag);
our ($firstPass, $debug, $filename, $playback, $ioSizeFlag, $verboseFlag);
our ($OneKB, $OneMB, $OneGB, $TenGB);
our ($miniDateTime, $options, $FS, $Host, $XCFlag, $interval, $count);
our ($sameColsFlag, $subsys, $ReqDir);
require "$ReqDir/LustreSingleton.pm";
use lib "$ReqDir";
use LustreCommon;
# Global to this module
my $lustOpts = undef;
my $lustOptsOnly = undef;
my $lustre_singleton = new LustreSingleton();
my $lustre_version = $lustre_singleton->getVersion();
my $METRIC = {value => 0, last => 0};
my $SUM_METRIC = {value => 0, lastCumulCount => undef, lastSum => undef};
my $printMsg = $debug & 16384;
my @clientNames = (); # Ordered list of OSS clients
my %clientNamesHash = ();
my $clientNamesStr = ''; # Concatenated string of client names
my $numClients = 0; # Number of clients accessing this OSS
my $numOst = 0; # Number of object storage targets
my $ossFlag = 0;
my $reportOssFlag = 0;
my %ossData = (); # OSS performance metrics
my @ostNames = (); # Ordered list of OST names
my $ostNamesStr = ''; # Concatenated string of OST names
my %ostSubdirs = ();
my %ostClientRead = ();
my %ostClientWrite = ();
my $ostWidth = 0;
my %ostData = (); # OSS performance metrics indexed by OST name
my @lustreBufReadTot = [];
my @lustreBufWriteTot = [];
my @lustreDiskIoSizeReadTot = [];
my @lustreDiskIoSizeWriteTot = [];
my $lustreReadKBytesTot = 0;
my $lustreReadKBytesTOT = 0;
my $lustreReadOpsTot = 0;
my $lustreReadOpsTOT = 0;
my $lustreWriteKBytesTot = 0;
my $lustreWriteKBytesTOT = 0;
my $lustreWriteOpsTot = 0;
my $lustreWriteOpsTOT = 0;
my $limLusKBS = 100;
# Global to count how many buckets there are for brw_stats
my @brwBuckets = [];
my $numBrwBuckets = scalar(@brwBuckets);
# Global to count how many buckets there are for brw disk i/o size stats
my @brwDiskIoSizeBuckets = [];
my $numBrwDiskIoSizeBuckets = scalar(@brwDiskIoSizeBuckets);
if ($printMsg) {
if (defined($lustre_version)) {
logmsg('I', "Lustre version $lustre_version");
} else {
logmsg('I', "Lustre version currently unknown");
}
}
sub createOst {
my $ost = {read => {%{$METRIC}},
readKB => {%{$METRIC}},
write => {%{$METRIC}},
writeKB => {%{$METRIC}},
rpc_read => [],
rpc_write => [],
disk_iosize_read => [],
disk_iosize_write => []};
for (my $j = 0; $j < $numBrwBuckets; $j++) {
$ost->{rpc_read}[$j] = {%{$METRIC}};
$ost->{rpc_write}[$j] = {%{$METRIC}};
}
for (my $j = 0; $j < $numBrwDiskIoSizeBuckets; $j++) {
$ost->{disk_iosize_read}[$j] = {%{$METRIC}};
$ost->{disk_iosize_write}[$j] = {%{$METRIC}};
}
return $ost;
}
sub createOss {
my $oss = {};
foreach my $svc ("normal", "bulk") {
$oss->{req_active}{$svc} = {%{$SUM_METRIC}};
$oss->{req_qdepth}{$svc} = {%{$SUM_METRIC}};
$oss->{req_waittime}{$svc} = {%{$SUM_METRIC}};
$oss->{req_timeout}{$svc} = {%{$SUM_METRIC}};
$oss->{reqbuf_avail}{$svc} = {%{$SUM_METRIC}};
}
return $oss;
}
sub lustreCheckOss {
$lustre_version = $lustre_singleton->getVersion()
if (!defined($lustre_version));
return 0 if (!defined($lustre_version));
error("Lustre versions earlier than 1.8.0 are not currently supported")
if ($lustre_version lt '1.8.0');
# if this wasn't an OSS and still isn't, nothing has changed.
return 0 if ($numOst == 0) && !-e "/proc/fs/lustre/obdfilter";
if (!%ossData) {
my $oss = createOss();
%ossData = %{$oss};
}
undef %ostSubdirs;
my @saveOstNames = @ostNames;
my $saveOstNamesStr = $ostNamesStr;
$ossFlag = $reportOssFlag = 0;
$numOst = 0;
@ostNames = ();
my %ostNamesHash = ();
my $subdir;
my @ostFiles = glob("/proc/fs/lustre/obdfilter/*/stats");
foreach my $file (@ostFiles) {
$file =~ m[/proc/fs/lustre/obdfilter/(.*)/stats];
$subdir = $1;
my $uuid = cat("/proc/fs/lustre/obdfilter/$subdir/uuid");
my $ostName = LustreCommon::transLustreUUID($uuid, $Host);
$ostWidth = length($ostName) if $ostWidth < length($ostName);
$ossFlag = $reportOssFlag = 1;
$numOst++;
$ostNamesHash{$ostName} = $ostName;
push(@ostNames, $ostName);
$ostSubdirs{$ostName} = $subdir;
if (!exists($ostData{$ostName})) {
logmsg("I", "Adding OSS OST $ostName") if $printMsg;
$ostData{$ostName} = createOst();
$ostClientRead{$ostName} = {};
$ostClientWrite{$ostName} = {};
for my $client (@clientNames) {
$ostClientRead{$ostName}{$client} = {%{$METRIC}};
$ostClientWrite{$ostName}{$client} = {%{$METRIC}};
}
}
}
$ostWidth = 3 if $ostWidth < 3;
$ostNamesStr = join(' ', @ostNames);
if ($ostNamesStr ne $saveOstNamesStr) {
# Delete OSTs that no longer exist
foreach my $ostName (@saveOstNames) {
if (!exists($ostNamesHash{$ostName})) {
logmsg("I", "Removing OSS OST $ostName") if $printMsg;
delete $ostData{$ostName};
delete $ostClientRead{$ostName};
delete $ostClientWrite{$ostName};
}
}
}
if (defined($lustOpts) && $lustOpts =~ /C/) {
my @saveClientNames = @clientNames;
my %saveClientNamesHash = %clientNamesHash;
%clientNamesHash = ();
@clientNames = ();
$numClients = 0;
if (defined($subdir)) {
my @clientDirs = glob("/proc/fs/lustre/obdfilter/$subdir/exports/*");
foreach my $client (@clientDirs) {
next if $client =~ /clear/;
$client = basename($client);
$clientNamesHash{$client} = $client;
push(@clientNames, $client);
$numClients++;
if (!exists($saveClientNamesHash{$client})) {
logmsg("I", "Adding OSS client $client") if $printMsg;
for my $ostName (@ostNames) {
$ostClientRead{$ostName}{$client} = {%{$METRIC}};
$ostClientWrite{$ostName}{$client} = {%{$METRIC}};
}
}
}
}
$clientNamesStr = join(' ', @clientNames);
if ($printMsg) {
print "numClients: $numClients\n" .
"Lustre clients: $clientNamesStr\n";
}
# Remove client entries that no longer exist
foreach my $client (@saveClientNames) {
if (!exists($clientNamesHash{$client})) {
logmsg("I", "Removing OSS client $client") if $printMsg;
foreach my $ostName (keys %ostClientRead) {
delete $ostClientRead{$ostName}{$client};
}
foreach my $ostName (keys %ostClientWrite) {
delete $ostClientWrite{$ostName}{$client};
}
}
}
}
# Change info is important even when not logging except during initialization
if ($ostNamesStr ne $saveOstNamesStr) {
my $comment = ($filename eq '') ? '#' : '';
my $text = "Lustre OSS OSTs Changed -- Old: $saveOstNamesStr New: $ostNamesStr";
logmsg('W', "${comment}$text") if !$firstPass;
print "$text\n" if $firstPass && $printMsg;
}
return ($ostNamesStr ne $saveOstNamesStr) ? 1 : 0;
}
sub lustreGetOstStats {
my ($ostName) = @_;
my $tag = "OST_$ostName";
my $proc = "/proc/fs/lustre/obdfilter/$ostSubdirs{$ostName}/stats";
return(0) if (!open PROC, "<$proc");
while (my $line = <PROC>) {
if (($line =~ /^read/) || ($line =~ /^write/)) {
record(2, "$tag $line");
}
}
close PROC;
return(1);
}
sub lustreGetOstRpcSizeStats {
my ($ostName) = @_;
my $tag = "OST-b_$ostName";
my $proc = "/proc/fs/lustre/obdfilter/$ostSubdirs{$ostName}/brw_stats";
return(0) if (!open PROC, "<$proc");
# Skip to beginning of rpc data
while (my $line = <PROC>) {
last if (index($line, "pages per bulk r/w") == 0);
}
my $index = 0;
while (my $line = <PROC>) {
last if $line =~ /^\s*$/;
record(2, "$tag:$index $line");
$index++;
}
close PROC;
return(1);
}
sub lustreGetOstDiskIoSizeStats {
my ($ostName) = @_;
my $tag = "OST-c_$ostName";
my $proc = "/proc/fs/lustre/obdfilter/$ostSubdirs{$ostName}/brw_stats";
return(0) if (!open PROC, "<$proc");
# Skip to beginning of disk io data
while (my $line = <PROC>) {
last if (index($line, "disk I/O size") == 0);
}
my $index = 0;
while (my $line = <PROC>) {
last if $line =~ /^\s*$/;
record(2, "$tag:$index $line");
$index++;
last if $index >= $numBrwDiskIoSizeBuckets;
}
close PROC;
return(1);
}
sub lustreGetOstClientStats {
my ($ostName, $client) = @_;
my $tag = "OST_$ostName";
my $proc = "/proc/fs/lustre/obdfilter/$ostSubdirs{$ostName}/exports/$client/stats";
return(0) if (!open PROC, "<$proc");
while (my $line = <PROC>) {
if (($line =~ /^read_bytes/) || ($line =~ /^write_bytes/)) {
record(2, "$tag LCL_$client" . "_$line");
}
}
close PROC;
return(1);
}
sub lustreGetOssStats {
LustreCommon::lustreGetRpcStats("/proc/fs/lustre/ost/OSS/ost/stats",
"OST_RPC_NORMAL");
LustreCommon::lustreGetRpcStats("/proc/fs/lustre/ost/OSS/ost_io/stats",
"OST_RPC_BULK");
foreach my $ostName (@ostNames) {
lustreGetOstStats($ostName);
if ($lustOpts =~ /B/) {
lustreGetOstRpcSizeStats($ostName) ;
lustreGetOstDiskIoSizeStats($ostName);
}
foreach my $client (@clientNames) {
lustreGetOstClientStats($ostName, $client);
}
}
return(1);
}
sub lustreOSSInit {
my $impOptsref = shift;
my $impKeyref = shift;
error("You must remove the -sl or -sL option to use this plugin")
if ($subsys =~ /l/i);
$lustOpts = ${$impOptsref};
error('Valid lustre options are: s d B C')
if defined($lustOpts) && $lustOpts !~ /^[sdBC]*$/;
$lustOpts = 's' if !defined($lustOpts);
${impOptsref} = $lustOpts;
error("Lustre versions earlier than 1.8.0 are not currently supported")
if (defined($lustre_version) && ($lustre_version lt '1.8.0'));
print "lustreOSSInit: options: $lustOpts\n" if $printMsg;
${$impKeyref} = 'OST';
@brwBuckets = (1,2,4,8,16,32,64,128,256);
$numBrwBuckets = scalar(@brwBuckets);
@brwDiskIoSizeBuckets =
('4K', '8K', '16K', '32K', '64K', '128K', '256K', '512K', '1M');
$numBrwDiskIoSizeBuckets = scalar(@brwDiskIoSizeBuckets);
lustreCheckOss();
$verboseFlag = 1 if $lustOpts =~ /[B]/;
$lustOptsOnly = $lustOpts;
$lustOptsOnly =~ s/[ds]//;
return(1);
}
sub lustreOSSUpdateHeader {
my $lineref = shift;
${$lineref} .=
"# Lustre OSS Data Collector: Version 1.0, Lustre version: $lustre_version\n";
}
sub lustreOSSGetData {
lustreGetOssStats() if ($numOst > 0);
}
sub lustreOSSInitInterval {
# Check to see if any services changed and if they did, we may need
# a new logfile as well.
newLog($filename, "", "", "", "", "") if lustreCheckOss() && $filename ne '';
$sameColsFlag = 0 if (length($lustOptsOnly) > 1) || ($verboseFlag == 1);
$lustreReadOpsTot = 0;
$lustreReadKBytesTot = 0;
$lustreWriteOpsTot = 0;
$lustreWriteKBytesTot = 0;
for (my $i = 0; $i < $numBrwBuckets; $i++) {
$lustreBufReadTot[$i] = 0;
$lustreBufWriteTot[$i] = 0;
}
for (my $i = 0; $i < $numBrwDiskIoSizeBuckets; $i++) {
$lustreDiskIoSizeReadTot[$i] = 0;
$lustreDiskIoSizeWriteTot[$i] = 0;
}
}
sub lustreOSSAnalyze {
my $type = shift;
my $dataref = shift;
my $data = ${$dataref};
logmsg('I', "lustreAnalyze: type: $type, data: $data") if $printMsg;
if ($type =~ /OST_RPC/) {
my $svc = lc((split('_', $type))[2]);
my ($metric, $cumulCount, $sum) = (split(/\s+/, $data))[0, 1, 6];
my $attrId = '';
if ($metric =~ /^req_waittime/) { $attrId = 'req_waittime'; }
elsif ($metric =~ /^req_qdepth/) { $attrId = 'req_qdepth'; }
elsif ($metric =~ /^req_active/) { $attrId = 'req_active'; }
elsif ($metric =~ /^req_timeout/) { $attrId = 'req_timeout'; }
elsif ($metric =~ /^reqbuf_avail/) { $attrId = 'reqbuf_avail'; }
if (defined($attrId)) {
my $attr = $ossData{$attrId}{$svc};
LustreCommon::updateSumMetric($attr, $cumulCount, $sum);
} else {
logmsg('W', "Unrecognized performance stat: $svc $metric");
}
} elsif ($type =~ /OST_(.*)/) {
my $ostName = $1;
my ($metric, $ops, $bytes) = (split(/\s+/, $data))[0, 1, 6];
$bytes = 0 if $ops == 0;
if ($metric =~ /^read/) {
my $attr = $ostData{$ostName}{read};
my $val = LustreCommon::delta($ops, $attr->{last});
$attr->{value} = $val;
$attr->{last} = $ops;
$lustreReadOpsTot += $val;
$attr = $ostData{$ostName}{readKB};
my $KBytes = $bytes / $OneKB;
$val = LustreCommon::delta($KBytes, $attr->{last});
$attr->{value} = $val;
$attr->{last} = $KBytes;
$lustreReadKBytesTot += $val;
} elsif ($metric =~ /^write/) {
my $attr = ${ostData}{$ostName}{write};
my $val = LustreCommon::delta($ops, $attr->{last});
$attr->{value} = $val;
$attr->{last} = $ops;
$lustreWriteOpsTot += $val;
$attr = $ostData{$ostName}{writeKB};
my $KBytes = $bytes / $OneKB;
$val = LustreCommon::delta($KBytes, $attr->{last});
$attr->{value} = $val;
$attr->{last} = $KBytes;
$lustreWriteKBytesTot += $val;
} elsif ($metric =~ /^LCL/) {
my $client;
my @tmpNames = split("_", $metric);
foreach (@tmpNames) {
if ($_ =~/@/) {
$client = $_;
last;
}
}
if (defined($bytes)) {
my $ostAttr;
if ($metric =~ /read_bytes/) {
$ostAttr = $ostClientRead{$ostName};
} elsif ($metric =~ /write_bytes/) {
$ostAttr = $ostClientWrite{$ostName};
}
if (defined($ostAttr)) {
if (!exists($ostAttr->{$client})) {
$ostAttr->{$client} = {'value' => 0, 'last' => $bytes};
} else {
my $attr = ${$ostAttr}{$client};
$attr->{value} = LustreCommon::delta($bytes, $attr->{last});
$attr->{last} = $bytes;
}
}
}
}
} elsif ($type =~ /OST-b_(.*):(\d+)/) {
my $ostName = $1;
my $size = (split(/:/, $data))[0];
my $bufNum = 0;
foreach my $i (@brwBuckets) {
last if ($size == $i);
$bufNum = $bufNum + 1;
}
my ($reads, $writes) = (split(/\s+/, $data))[1,5];
my $attr = $ostData{$ostName}{rpc_read}[$bufNum];
my $val = LustreCommon::delta($reads, $attr->{last});
$attr->{value} = $val;
$attr->{last} = $reads;
$lustreBufReadTot[$bufNum] += $val;
$attr = $ostData{$ostName}{rpc_write}[$bufNum];
$val = LustreCommon::delta($writes, $attr->{last});
$attr->{value} = $val;
$attr->{last} = $writes;
$lustreBufWriteTot[$bufNum] += $val;
} elsif ($type =~ /OST-c_(.*):(\d+)/) {
my $ostName = $1;
my $size = (split(/:/, $data))[0];
my $bufNum = 0;
foreach my $i (@brwDiskIoSizeBuckets) {
last if ($size eq $i);
$bufNum = $bufNum + 1;
}
my ($reads, $writes) = (split(/\s+/, $data))[1,5];
my $attr = $ostData{$ostName}{disk_iosize_read}[$bufNum];
my $val = LustreCommon::delta($reads, $attr->{last});
$attr->{value} = $val;
$attr->{last} = $reads;
$lustreDiskIoSizeReadTot[$bufNum] += $val;
$attr = $ostData{$ostName}{disk_iosize_write}[$bufNum];
$val = LustreCommon::delta($writes, $attr->{last});
$attr->{value} = $val;
$attr->{last} = $writes;
$lustreDiskIoSizeWriteTot[$bufNum] += $val;
}
}
# This and the 'print' routines should be self explanitory as they pretty much simply
# return a string in the appropriate format for collectl to dispose of.
sub lustreOSSPrintBrief {
my $type = shift;
my $lineref = shift;
if ($type == 1) { # header line 1
${$lineref} .= "<---------Lustre OST--------->"
if $lustOpts =~ /s/ && $reportOssFlag && !$ioSizeFlag;
${$lineref} .= "<--------------Lustre OST-------------->"
if $lustOpts =~ /s/ && $reportOssFlag && $ioSizeFlag;
} elsif ($type == 2) { # header line 2
${$lineref} .= " KBRead Reads KBWrit Writes "
if $lustOpts =~ /s/ && $reportOssFlag && !$ioSizeFlag;
${$lineref} .= " KBRead Reads Size KBWrit Writes Size "
if $lustOpts =~ /s/ && $reportOssFlag && $ioSizeFlag;
} elsif ($type == 3) { # data
# OSS
if ($lustOpts =~ /s/ && $reportOssFlag) {
if (!$ioSizeFlag) {
${$lineref} .=
sprintf("%7s %6s %7s %6s ",
cvt($lustreReadKBytesTot / $intSecs, 7, 0, 1),
cvt($lustreReadOpsTot / $intSecs, 6),
cvt($lustreWriteKBytesTot / $intSecs,7, 0, 1),
cvt($lustreWriteOpsTot / $intSecs, 6));
} else {
${$lineref} .=
sprintf("%7s %6s %4s %7s %6s %4s ",
cvt($lustreReadKBytesTot / $intSecs, 7, 0, 1),
cvt($lustreReadOpsTot / $intSecs, 6),
$lustreReadOpsTot ?
cvt($lustreReadKBytesTot / $lustreReadOpsTot, 4, 0, 1) : 0,
cvt($lustreWriteKBytesTot / $intSecs, 7, 0, 1),
cvt($lustreWriteOpsTot / $intSecs, 6),
$lustreWriteOpsTot ?
cvt($lustreWriteKBytesTot / $lustreWriteOpsTot, 4, 0, 1) : 0);
}
}
} elsif ($type == 4) { # reset 'total' counters
$lustreReadKBytesTOT = 0;
$lustreReadOpsTOT = 0;
$lustreWriteKBytesTOT = 0;
$lustreWriteOpsTOT = 0;
} elsif ($type == 5) { # increment 'total' counters
if ($numOst) {
$lustreReadKBytesTOT += $lustreReadKBytesTot;
$lustreReadOpsTOT += $lustreReadOpsTot;
$lustreWriteKBytesTOT += $lustreWriteKBytesTot;
$lustreWriteOpsTOT += $lustreWriteOpsTot;
}
} elsif ($type == 6) { # print 'total' counters
# Since this never goes over a socket we can just do a simple print.
if ($lustOpts =~ /s/ && $reportOssFlag) {
if (!$ioSizeFlag) {
printf "%7s %6s %7s %6s ",
cvt($lustreReadKBytesTOT / $totSecs, 7, 0, 1),
cvt($lustreReadOpsTOT / $totSecs, 6),
cvt($lustreWriteKBytesTOT / $totSecs, 7, 0, 1),
cvt($lustreWriteOpsTOT / $totSecs, 6);
} else {
printf "%7s %6s %4s %7s %6s %4s ",
cvt($lustreReadKBytesTOT / $totSecs, 7, 0, 1),
cvt($lustreReadOpsTOT / $totSecs, 6),
$lustreReadOpsTOT ? cvt($lustreReadKBytesTOT / $lustreReadOpsTOT,
4, 0, 1) : 0,
cvt($lustreWriteKBytesTOT / $totSecs, 7, 0, 1),
cvt($lustreWriteOpsTOT / $totSecs, 6),
$lustreWriteOpsTOT ? cvt($lustreWriteKBytesTOT / $lustreWriteOpsTOT,
4, 0, 1) : 0;
}
}
}
}
sub lustreOSSPrintVerbose {
my $printHeader = shift;
my $homeFlag = shift;
my $lineref = shift;
# Note that last line of verbose data (if any) still sitting in $$lineref
my $line = ${$lineref} = '';
# This is the normal output for an OSS
if ($lustOpts =~ /s/ && $reportOssFlag) {
if ($printHeader) {
my $line = '';
$line .= "\n" if !$homeFlag;
$line .= "# LUSTRE OST SUMMARY ($rate)\n";
if ($lustOpts !~ /B/) {
$line .= "#${miniDateTime} KBRead Reads SizeKB KBWrite Writes SizeKB\n";
} else {
$line .= "#${miniFiller}<----------------------reads-------------------------|";
$line .= "-----------------------writes------------------------->\n";
my $temp = '';
foreach my $i (@brwBuckets) {
$temp .= sprintf(" %3dP", $i);
}
$line .= "#${miniDateTime}RdK Rds$temp WrtK Wrts$temp\n";
}
${$lineref} .= $line;
exit if $showColFlag;
}
my $line = $datetime;
if ($lustOpts !~ /B/) {
$line .=
sprintf(" %7d %6d %6s %7d %6d %6s",
$lustreReadKBytesTot / $intSecs,
$lustreReadOpsTot / $intSecs,
$lustreReadOpsTot ?
cvt($lustreReadKBytesTot / $lustreReadOpsTot, 6, 0, 1) : 0,
$lustreWriteKBytesTot / $intSecs,
$lustreWriteOpsTot / $intSecs,
$lustreWriteOpsTot ?
cvt($lustreWriteKBytesTot / $lustreWriteOpsTot, 6, 0, 1) : 0);
} else {
$line .= sprintf("%4s %4s",
cvt($lustreReadKBytesTot / $intSecs, 4, 0, 1),
cvt($lustreReadOpsTot / $intSecs));
for (my $i = 0; $i < $numBrwBuckets; $i++) {
$line .= sprintf(" %4s", cvt($lustreBufReadTot[$i] / $intSecs));
}
$line .= sprintf(" %4s %4s",
cvt($lustreWriteKBytesTot / $intSecs, 4, 0, 1),
cvt($lustreWriteOpsTot / $intSecs));
for (my $i = 0; $i < $numBrwBuckets; $i++) {
$line .= sprintf(" %4s", cvt($lustreBufWriteTot[$i] / $intSecs));
}
}
$line .= "\n";
${$lineref} .= $line;
}
if ($lustOpts =~ /d/ && $reportOssFlag) {
if ($printHeader) {
# build ost header, and when no date/time make it even 1 char less.
my $temp = "Ost". ' 'x$ostWidth;
$temp = substr($temp, 0, $ostWidth);
$temp = substr($temp, 0, $ostWidth - 2) . ' ' if $miniFiller eq '';
# When doing dates/time shift first field over 1 to the left;
my $fill1 = '';
if ($miniFiller ne '') {
$fill1 = substr($miniDateTime, 0, length($miniFiller) - 1);
}
my $line = '';
$line .= "\n" if !$homeFlag;
$line .= "# LUSTRE FILESYSTEM SINGLE OST STATISTICS ($rate)\n";
if ($lustOpts !~ /B/) {
$line .= "#$fill1$temp KBRead Reads SizeKB KBWrite Writes SizeKB\n";
} else {
my $temp2 = '';
foreach my $i (@brwBuckets) {
$temp2 .= sprintf(" %3dP", $i);
}
$line .= "#$fill1$temp RdK Rds$temp2 WrtK Wrts$temp2\n";
}
${$lineref} .= $line;
exit if $showColFlag;
}
foreach my $ostName (@ostNames) {
my $ost = $ostData{$ostName};
# If exception processing in effect, make sure this entry qualities
next if $options=~/x/ &&
$ost->{readKB}{value} / $intSecs < $limLusKBS &&
$ost->{writeKB}{value} / $intSecs < $limLusKBS;
my $line = '';
if ($lustOpts !~ /B/) {
$line .= sprintf(
"$datetime%-${ostWidth}s %7d %6d %6d %7d %6d %6d\n",
$ostName,
$ost->{readKB}{value} / $intSecs,
$ost->{read}{value} / $intSecs,
$ost->{read}{value} ?
$ost->{readKB}{value} / $ost->{read}{value} : 0,
$ost->{writeKB}{value} / $intSecs,
$ost->{write}{value} / $intSecs,
$ost->{write}{value} ?
$ost->{writeKB}{value} / $ost->{write}{value} : 0);
} else {
$line .= sprintf(
"$datetime%-${ostWidth}s %4s %4s",
$ostName,
cvt($ost->{readKB}{value} / $intSecs, 4, 0, 1),
cvt($ost->{read}{value} / $intSecs));
for (my $j = 0; $j < $numBrwBuckets; $j++) {
$line .= sprintf(
" %4s",
cvt($ost->{rpc_read}[$j]{value} / $intSecs));
}
$line .= sprintf(
" %4s %4s",
cvt($ost->{writeKB}{value} / $intSecs, 4, 0, 1),
cvt($ost->{write}{value} / $intSecs));
for (my $j = 0; $j < $numBrwBuckets; $j++) {
$line .= sprintf(
" %4s",
cvt($ost->{rpc_write}[$j]{value} / $intSecs));
}
$line .= "\n";
}
${$lineref} .= $line;
}
}
if ($lustOpts =~ /d/ && $reportOssFlag) {
$line = '';
$line .= "\n";
$line .= "# LUSTRE OSS RPC SUMMARY\n";
$line .= "#${miniDateTime} IO Type Active Queue Waittime Timeout Available";
$line .= "\n";
${$lineref} .= $line;
$line = '';
$line .= "#${miniDateTime} Depth (usec) (sec) Buffers";
$line .= "\n";
${$lineref} .= $line;
foreach my $svc ("normal", "bulk") {
my $req_active =
LustreCommon::sumMetricValStr($ossData{req_active}{$svc}{value}, 6);
my $req_qdepth =
LustreCommon::sumMetricValStr($ossData{req_qdepth}{$svc}{value}, 5);
my $req_waittime =
LustreCommon::sumMetricValStr($ossData{req_waittime}{$svc}{value}, 8);
my $req_timeout =
LustreCommon::sumMetricValStr($ossData{req_timeout}{$svc}{value}, 7);
my $reqbuf_avail =
LustreCommon::sumMetricValStr($ossData{reqbuf_avail}{$svc}{value}, 9);
$line = $datetime . " " . sprintf("%7s", $svc) . " " .
$req_active . " " . $req_qdepth . " " .
$req_waittime . " " . $req_timeout . " " . $reqbuf_avail;
$line .= "\n";
${$lineref} .= $line;
}
}
}
# Just be sure to use $SEP in the right places. A simple trick to make sure you've done it
# correctly is to generste a small plot file and load it into a speadsheet, making sure each
# column of data has a header and that they aling 1:1.
sub lustreOSSPrintPlot {
my $type = shift;
my $ref1 = shift;
# H e a d e r s
# Summary
if ($type == 1 && $lustOpts =~ /s/) {
my $headers = '';
if ($reportOssFlag) {
# We always report basic I/O independent of what user selects with --lustopts
$headers .= "[OST]Read${SEP}[OST]ReadKB${SEP}[OST]Write${SEP}[OST]WriteKB${SEP}";
if ($lustOpts =~ /B/) {
foreach my $i (@brwBuckets) {
$headers .= "[OSTB]r${i}P${SEP}";
}
foreach my $i (@brwBuckets) {
$headers .= "[OSTB]w${i}P${SEP}";
}
}
}
${$ref1} .= $headers;
}
if ($type == 2 && $lustOpts =~ /d/) {
if ($reportOssFlag) {
# We always start with this section
# BRW stats are optional, but if there group them together separately.
my $ostHeaders = '';
foreach my $ostName (@ostNames) {
$ostHeaders .= "[OST:$ostName]Ost${SEP}[OST:$ostName]Read${SEP}[OST:$ostName]ReadKB${SEP}[OST:$ostName]Write${SEP}[OST:$ostName]WriteKB${SEP}";
}
if ($lustOpts =~ /B/) {
foreach my $ostName (@ostNames) {
foreach my $j (@brwBuckets) {
$ostHeaders .= "[OSTB:$ostName]r$j${SEP}";
}
foreach my $j (@brwBuckets) {
$ostHeaders .= "[OSTB:$ostName]w$j${SEP}";
}
}
}
${$ref1} .= $ostHeaders;
}
}
# D a t a
# Summary
if ($type == 3 && $lustOpts =~ /s/) {
my $plot = '';
if ($reportOssFlag) {
# We always do this...
$plot .= sprintf("$SEP%$FS$SEP%$FS$SEP%$FS$SEP%$FS",
$lustreReadOpsTot / $intSecs,
$lustreReadKBytesTot / $intSecs,
$lustreWriteOpsTot/$intSecs,
$lustreWriteKBytesTot/$intSecs);
if ($lustOpts =~ /B/) {
for (my $j = 0; $j < $numBrwBuckets; $j++) {
$plot .= sprintf("$SEP%$FS", $lustreBufReadTot[$j] / $intSecs);
}
for (my $j = 0; $j < $numBrwBuckets; $j++) {
$plot .= sprintf("$SEP%$FS", $lustreBufWriteTot[$j] / $intSecs);
}
for (my $j = 0; $j < $numBrwDiskIoSizeBuckets; $j++) {
$plot .= sprintf("$SEP%$FS", $lustreDiskIoSizeReadTot[$j] / $intSecs);
}
for (my $j = 0; $j < $numBrwDiskIoSizeBuckets; $j++) {
$plot .= sprintf("$SEP%$FS", $lustreDiskIoSizeWriteTot[$j] / $intSecs);
}
}
}
${$ref1} .= $plot;
}
# Detail
if ($type == 4 && $lustOpts =~ /d/) {
if ($reportOssFlag) {
# Basic I/O always there and grouped together
my $ostPlot = '';
foreach my $ostName (@ostNames) {
my $ost = $ostData{$ostName};
$ostPlot .= sprintf("$SEP%s$SEP%d$SEP%d$SEP%d$SEP%d",
$ostName,
$ost->{read}{value} / $intSecs,
$ost->{readKB}{value} / $intSecs,
$ost->{write}{value} / $intSecs,
$ost->{writeKB}{value} / $intSecs);
}
# These guys are optional and follow ALL the basic stuff
if ($lustOpts =~ /B/) {
foreach my $ostName (@ostNames) {
my $ost = $ostData{$ostName};
for (my $j = 0; $j < $numBrwBuckets; $j++) {
$ostPlot .=
sprintf("$SEP%d",
$ost->{rpc_read}[$j]{value} / $intSecs);
}
for (my $j = 0; $j < $numBrwBuckets; $j++) {
$ostPlot .=
sprintf("$SEP%d",
$ost->{rpc_write}[$j]{value} / $intSecs);
}
for (my $j = 0; $j < $numBrwDiskIoSizeBuckets; $j++) {
$ostPlot .=
sprintf("$SEP%d",
$ost->{disk_iosize_read}[$j]{value} / $intSecs);
}
for (my $j = 0; $j < $numBrwDiskIoSizeBuckets; $j++) {
$ostPlot .=
sprintf("$SEP%d",
$ost->{disk_iosize_write}[$j]{value} / $intSecs);
}
}
}
${$ref1} .= $ostPlot;
}
}
}
sub lustreOSSPrintExport {
my $type = shift;
my $ref1 = shift;
my $ref2 = shift;
my $ref3 = shift;
my $ref4 = shift;
my $ref5 = shift;
if ($type eq 'g') {
if ($lustOpts =~ /s/) {
if ($ossFlag) {
push @$ref1, 'lusost.reads';
push @$ref2, 'reads/sec';
push @$ref3, $lustreReadOpsTot/$intSecs;
push @$ref4, 'Lustre OST';
push @$ref5, undef;
push @$ref1, 'lusost.readkbs';
push @$ref2, 'readkbs/sec';
push @$ref3, $lustreReadKBytesTot / $intSecs;
push @$ref4, 'Lustre OST';
push @$ref5, undef;
push @$ref1, 'lusost.writes';
push @$ref2, 'writes/sec';
push @$ref3, $lustreWriteOpsTot / $intSecs;
push @$ref4, 'Lustre OST';
push @$ref5, undef;
push @$ref1, 'lusost.writekbs';
push @$ref2, 'writekbs/sec';
push @$ref3, $lustreWriteKBytesTot / $intSecs;
push @$ref4, 'Lustre OST';
push @$ref5, undef;
}
}
if ($lustOpts =~ /d/) {
if ($ossFlag) {
foreach my $svc (keys %{$ossData{req_waittime}}) {
my $metricGroup = "Lustre OSS [$svc] RPC";
if ($ossData{req_waittime}{$svc}{value} != LustreCommon::NO_SAMPLE) {
push @$ref1, "lusoss.$svc.waittime";
push @$ref2, 'usec';
push @$ref3, $ossData{req_waittime}{$svc}{value};
push @$ref4, $metricGroup;
push @$ref5, 'Request Wait Time';
}
if ($ossData{req_qdepth}{$svc}{value} != LustreCommon::NO_SAMPLE) {
push @$ref1, "lusoss.$svc.qdepth";
push @$ref2, 'queue depth';
push @$ref3, $ossData{req_qdepth}{$svc}{value};
push @$ref4, $metricGroup;
push @$ref5, 'Request Queue Depth';
}
if ($ossData{req_active}{$svc}{value} != LustreCommon::NO_SAMPLE) {
push @$ref1, "lusoss.$svc.active";
push @$ref2, 'RPCs';
push @$ref3, $ossData{req_active}{$svc}{value};
push @$ref4, $metricGroup;
push @$ref5, 'Active Requests';
}
if ($ossData{req_timeout}{$svc}{value} != LustreCommon::NO_SAMPLE) {
push @$ref1, "lusoss.$svc.timeout";
push @$ref2, 'sec';
push @$ref3, $ossData{req_timeout}{$svc}{value};
push @$ref4, $metricGroup;
push @$ref5, 'Request Timeout';
}