summary.prl

一个用在mips体系结构中的操作系统

#!/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. 
#

if (defined($ENV{'SIMTOOLS'}) ) { 
    unshift(@INC,"$ENV{'SIMTOOLS'}/apps/scripts");
}

#if (defined($ENV{'SIMOS_DIR'})) { 
#    unshift(@INC,"$ENV{'SIMOS_DIR'}/src/apps/scripts");
#}

require "tree.prl";

$logfile = $ARGV[0] || "cpu.log";
$startnode = $ARGV[1] || "ROOT";

%states = ("ROOT" => ["user"],
           "kernel" => ["kernel"],
           "idle" => ["idle"],
           "sync" => ["sync"],
           "rpcwait" => ["rpcwait"],
           "pal" => ["pal"]
           );


$tree = &ParseTree($logfile, "modes");
$comp = SumTree($tree, $startnode, \%states, 1);

##############
##############

#pretty printing




sub PrintCount {
    ($format, $field) = @_;
    my $total = 0;

    printf "%-20s ", $field;
    
    foreach $state (sort(keys %$comp)) {
        if ($comp->{$state}{$field} != -1) {
            $total += $comp->{$state}{$field};
            printf $format, $comp->{$state}{$field};
        } else {
            printf "%15s ", "undef";
        }
    }
    printf("| ");
    printf $format, $total;

    printf "\n";
}



sub PrintSep {
    print "---------------------";
    print "---------------------";
    print "---------------------";
    print "---------------------";
    print "---------------------";
    print "--------------------\n";
}


PrintCount("%15s ", "name");

PrintSep();

PrintCount("%15.3f ", "seconds");
PrintCount("%15.0f ", "_cycles");
PrintCount("%15.0f ", "_instr");

PrintSep();

if (1) { 
    foreach $i (@fieldname) { 
        	PrintCount("%15d ",$i);
    }	
}	


PrintSep();

for $i (@field_time) {
    PrintCount("%15.3f ","time-$i");
}

PrintSep(); 

for $i ('cold','repl','true','false','other') {
    PrintCount("%15.3f", "time-$i");
}
PrintSep();

if (1) { 
    for $i ('cold','true','false','repl','other') { 
        PrintCount("%15.3f ","missclass-$i");
    }
    PrintSep();
}


if (defined($fieldPos{'dL2DirtyStall'})) { 
    for $i ('lat-l1','lat-upg','lat-clean','lat-dirty') {
        PrintCount("%15.3f ",$i);
    }
    PrintSep();
}

PrintCount("%15.3f ","dL1MR");
PrintCount("%15.3f ","dL2MR");

PrintSep();

PrintCount("%15.3f ","iMCPI");
PrintCount("%15.3f ","dMCPI");
PrintCount("%15.3f ","dL2MCPI");




if ($config{'FalseSharing'} eq "Yes") {
    PrintSep();
    PrintCount("%15.3f ","dMCPI-cold");
    PrintCount("%15.3f ","dMCPI-repl");
    PrintCount("%15.3f ","dMCPI-true");
    PrintCount("%15.3f ","dMCPI-false");
    PrintCount("%15.3f ","dMCPI-other");
}

if (0) {
    PrintSep();
    for $i ('L2LocalStall', 'L2RemoteStall', 
            'dL2RemoteStall', 'dL2LocalStall',
            'iL2RemoteStall', 'iL2LocalStall') {
        PrintCount("%15.0f ",$i);
    }
    for $i ('ilat-local','dlat-local','lat-local',
            'ilat-remote','dlat-remote','lat-remote') {
        PrintCount("%15.3f ",$i);
    }
}


sub PrintFrac {
    ($nm, $f, $t) = @_;

    printf "+ %-15s   %6.0f\n", $nm, 100 * $f / $t;
}

sub PrintAbs {
    ($nm, $f) = @_;

    printf "+ %-15s   %10.3f\n", $nm, $f;
}

if (0) {
    PrintSep();

    $clock = 1.0 * $config{"Clock"};
    $kexec =  $comp->{"kernel"}{"seconds"};
    $sync =  $comp->{"sync"}{"seconds"};
    $rpc  = $comp->{"rpcwait"}{"seconds"};
    $totkernel = $kexec + $sync + $rpc;

    $tot = $comp->{"user"}{"seconds"} + $comp->{"idle"}{"seconds"} + $totkernel;
    print "\n";
    printf "Measurement period %.2f seconds\n", $tot / 8;
    print "\nExecution time breakdown:\n\n";
    PrintFrac('user', $comp->{"user"}{"seconds"}, $tot);
    PrintFrac('totkernel', $totkernel, $tot);
    PrintFrac('   exec', $kexec, $tot);
    PrintFrac('   sync', $sync, $tot);
    PrintFrac('   rpc', $rpc, $tot);
    PrintFrac('idle', $comp->{"idle"}{"seconds"}, $tot);
    print "\nKernel time breakdown:\n\n";

    $lstall = $comp->{"kernel"}{"L2LocalStall"} / $clock;
    $rstall = $comp->{"kernel"}{"L2RemoteStall"} / $clock;
    $useful = $totkernel - ($lstall + $rstall + $sync + $rpc);

    PrintFrac('useful', $useful, $totkernel);
    PrintFrac('loc stall', $lstall, $totkernel);
    PrintFrac('rem stall', $rstall, $totkernel);
    PrintFrac('sync', $sync, $totkernel);
    PrintFrac('rpc wait', $rpc, $totkernel);

    print "\nAbsolute seconds:\n\n";

    PrintAbs('kernel exec sec', $useful /8 );
    PrintAbs('kernel other sec', ($totkernel - $useful) / 8);
    PrintAbs('user sec', $comp->{"user"}{"seconds"} / 8);
    PrintAbs('idle sec', $comp->{"idle"}{"seconds"} / 8);

    print "\nInstruction counts (millions):\n\n";
    
    PrintAbs('kexec count', $comp->{"kernel"}{"_instr"} / 1000000);
    PrintAbs('user count', $comp->{"user"}{"_instr"} / 1000000);
}