syncstats
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#!/usr/local/bin/perl5 -w
#
# Copyright (C) 1996-1998 by the Board of Trustees
# of Leland Stanford Junior University.
#
# This file is part of the SimOS distribution.
# See LICENSE file for terms of the license.
#
%lockInfo = ();
$inputFile = "cpu.log";
$showRA = 0;
$numlocks = -1;
$found = 0;
$i=0;
while ($i<=$#ARGV) {
if ($ARGV[$i] eq "-f") {
$i++;
$inputFile = $ARGV[$i];
} elsif ($ARGV[$i] eq "-ra") {
$showRA = 1;
} elsif ($ARGV[$i] eq "-l") {
$i++;
$showLock{$ARGV[$i]} = 1;
} elsif ($ARGV[$i] eq "-n") {
$i++;
$numlocks = $ARGV[$i];
} else {
print "usage: syncstats [-f file] [-ra] [-l lock] [-n numlocks]\n";
exit;
}
$i++;
}
open(LOGFILE, $inputFile);
while (<LOGFILE>) {
if (/^SYNCSTATS: \s+ start/x) {
undef %lockInfo;
$total = 0;
$found++;
} elsif (/^SYNCSTATS: \s+ lock \s+ (\S+) \s+
n \s+ (\d+) \s+
sumX \s+ (\S+) \s+
sumY \s+ \S+ \s+
sumXX \s+ (\S+) \s+
sumYY \s+ \S+ \s+
sumXY \s+ \S+ \s+
minX \s+ (\S+) \s+
maxX \s+ (\S+) \s+
minY \s+ \S+ \s+
maxY \s+ \S+ \s+
n \s+ (\d+) \s+
sumX \s+ (\S+) \s+
sumY \s+ \S+ \s+
sumXX \s+ (\S+) \s+
sumYY \s+ \S+ \s+
sumXY \s+ \S+ \s+
minX \s+ (\S+) \s+
maxX \s+ (\S+) \s+
minY \s+ \S+ \s+
maxY \s+ \S+ /x) {
($lock, $ra) = split(',', $1);
if (!defined($lockInfo{$lock})) {
$lockInfo{$lock}{'total'}{'name'} = "$lock";
$lockInfo{$lock}{'total'}{'nwait'} = 0;
$lockInfo{$lock}{'total'}{'totwait'} = 0;
$lockInfo{$lock}{'total'}{'sqwait'} = 0;
$lockInfo{$lock}{'total'}{'minwait'} = 0;
$lockInfo{$lock}{'total'}{'maxwait'} = 0;
$lockInfo{$lock}{'total'}{'nheld'} = 0;
$lockInfo{$lock}{'total'}{'totheld'} = 0;
$lockInfo{$lock}{'total'}{'sqheld'} = 0;
$lockInfo{$lock}{'total'}{'minheld'} = 0;
$lockInfo{$lock}{'total'}{'maxheld'} = 0;
}
$total += $3;
$lockInfo{$lock}{$ra}{'name'} = "$ra";
$lockInfo{$lock}{$ra}{'nwait'} = $2;
$lockInfo{$lock}{$ra}{'totwait'} = $3;
$lockInfo{$lock}{$ra}{'sqwait'} = $4;
$lockInfo{$lock}{$ra}{'minwait'} = $5;
$lockInfo{$lock}{$ra}{'maxwait'} = $6;
$lockInfo{$lock}{$ra}{'nheld'} = $7;
$lockInfo{$lock}{$ra}{'totheld'} = $8;
$lockInfo{$lock}{$ra}{'sqheld'} = $9;
$lockInfo{$lock}{$ra}{'minheld'} = $10;
$lockInfo{$lock}{$ra}{'maxheld'} = $11;
$lockInfo{$lock}{'total'}{'nwait'} += $2;
$lockInfo{$lock}{'total'}{'totwait'} += $3;
$lockInfo{$lock}{'total'}{'sqwait'} += $4;
$lockInfo{$lock}{'total'}{'minwait'} += $5;
$lockInfo{$lock}{'total'}{'maxwait'} += $6;
$lockInfo{$lock}{'total'}{'nheld'} += $7;
$lockInfo{$lock}{'total'}{'totheld'} += $8;
$lockInfo{$lock}{'total'}{'sqheld'} += $9;
$lockInfo{$lock}{'total'}{'minheld'} += $10;
$lockInfo{$lock}{'total'}{'maxheld'} += $11;
}
}
close(LOGFILE);
if (!$found) {
print "FATAL ERROR: no syncstats stuff found, you must not have source'd sync_stats.tcl\n";
}
$num = 0;
printHeader();
foreach $lock (sort bywait (keys %lockInfo)) {
$num++;
if (($numlocks != -1) && defined(%showLock)) {
if (($num > $numlocks) && !defined($showLock{$lock})) {
next;
}
} elsif (($numlocks != -1) && ($num > $numlocks)) {
next;
} elsif (defined(%showLock) && !defined($showLock{$lock})) {
next;
}
printLock($lockInfo{$lock}{'total'}, $num, "");
if ($showRA) {
foreach $ra (sort byheld (keys %{$lockInfo{$lock}})) {
if ($ra ne "total") {
printLock($lockInfo{$lock}{$ra}, "", " ");
}
}
}
}
sub bywait {
$lockInfo{$b}{'total'}{'totwait'} <=> $lockInfo{$a}{'total'}{'totwait'};
}
sub byheld {
$lockInfo{$lock}{$b}{'totheld'} <=> $lockInfo{$lock}{$a}{'totheld'};
}
sub printHeader {
printf "%-4s %-25s %10s %10s %10s %10s\n",
"num",
($showRA) ? "lock / ra" : "lock name",
"% of sync", "num", "wait", "held";
print "-----------------------------------------------------------------------------\n";
}
sub printLock {
my($bucket, $num, $prefix) = @_;
printf "%-4s %-25s %10.2f %10d %10.2f %10.2f\n",
$num,
"$prefix$bucket->{'name'}",
(100.0 * $bucket->{'totwait'}) / $total,
$bucket->{'nwait'},
$bucket->{'totwait'} / $bucket->{'nwait'},
$bucket->{'totheld'} / $bucket->{'nheld'};
}