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# Extract the context switching information from lmbench result files.
# Usage: getctx file file....
#
# Hacked into existence by Larry McVoy (lm@sun.com now lm@sgi.com).
# Copyright (c) 1994 Larry McVoy. GPLed software.
# $Id$
eval 'exec perl -Ss $0 "$@"'
if 0;
$title = "foo" if 0;
foreach $file (@ARGV) {
open(FD, $file);
while (<FD>) {
chop;
if (/^\[lmbench/) {
@_ = split;
if ($_[3] eq "SunOS") {
$_[3] .= "-$_[5]";
}
$uname = "@_";
}
if (/Mhz/) {
$mhz = $_;
}
if (/^.size=/) {
s/size/Process size/;
s/ ovr/\toverhead/;
@info = &getinfo($uname, $mhz);
($f = $file) =~ s|/|-|;
print "tmp/ctx.$f\n";
open(OUT, ">tmp/ctx.$f");
print OUT "\"%X Processes \n\"%Y Time in microseconds\n";
if ($title) {
print OUT "%T $f\n";
} else {
print OUT
"\"%T Context switches for " .
"$info[3] $info[$#info]Mhz\n";
}
print OUT "$_\n";
while (<FD>) {
last if /^Null/ || /^Pipe/ || /^Memor/ || /^tlb:/;
next if /\$Id/;
next if m|scripts/lmbench: /dev/tty|;
s/ ovr/\toverhead/;
s/size/Process size/;
print OUT;
}
close(OUT);
last;
}
}
}
# Try and create sensible names from uname -a output
sub getinfo
{
local(@info);
local($name);
local($mhz);
($mhz = $_[1]) =~ s/[\. ].*//;
@info = split(/\s+/, $_[0]);
$name = pop(@info);
chop($name);
if ($name eq "mips") {
$name = "$info[$#info]@$mhz";
} elsif ($_[0] =~ /HP-UX/) {
$name = "$info[7]@$mhz";
} elsif ($_[0] =~ /SunOS/) {
$name = "$info[7]@$mhz";
} else {
$name .= "@$mhz";
}
push(@info, $name);
@info;
}
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