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#!/usr/bin/perl
# sort_res.pl - Script to group & sort lsof output by resource
#
# Copyright (c) 2004, 2005 - Fabian Frederick <fabian.frederick@gmx.fr>
#
# This program/include file is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as published
# by the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program/include file is distributed in the hope that it will be
# useful, but WITHOUT ANY WARRANTY; without even the implied warranty
# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program (in the main directory of the Linux-NTFS
# distribution in the file COPYING); if not, write to the Free Software
# Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Note :
# -This script uses lsof released by Victor A. Abell
# -lsof path recovery comes from standard perl scripts in there.
#
# Usage :
# perl sort_res.pl -> display used resources + size
# or perl sort_res.pl <program name>
#
# 12/2005 (FabF)
# -size reset in loop (script was broken in 4.76)
# -isexec looking in .. (like other scripts)
# -display for one or all processes
# -removing unuseful line number arg.
# -display global size
my @args = @_;
# Set path to lsof.
if (($LSOF = &isexec("../lsof")) eq "") { # Some distros use lsof
# out of $PATH
if (($LSOF = &isexec("lsof")) eq "") { # Then try . and $PATH
if (($LSOF = &isexec("../lsof")) eq "") { # Then try ..
print "can't execute $LSOF\n"; exit 1
}
}
}
if ($ARGV[0] ne ""){
$cmd="$LSOF -nPl -Fcns -c".$ARGV[0]."|";
}else{
$cmd="$LSOF -nPl -Fcns|";
}
#Parse lsof output to gather command, resource name, pid and size
#Some extradata stand to keep script genericity
$i=0;
if (open(FILE, $cmd)){
while (defined ($line=<FILE>)){
$cline=$line;
$cline =~ s"^(.)"";
$cline =~ s/^\s+|\s+$//g;
if($line=~m/^p/){
$pid=$cline;
}else{
if($line=~/^s/){
$size = $cline;
}else{
if($line=~/^c/){
$command = $cline;
}else{
if($line=~/^n/){
$name = $cline;
$data{$i} = { command => $command, name => $name,
pid => $pid , size => $size};
$size=0;
$i = $i+1;
}
}
}
}
}
}
#Resource name sorting
sub byresname { $data{$a}{name} cmp $data{$b}{name}}
@ks=sort byresname (keys %data);
#Resource grouping
$i=0;
$cname="a";
foreach $k (@ks){
if ($data{$k}{name} ne $cname){
$dgroup{$i} = { name => $data{$k}{name}, size => $data{$k}{size}};
$cname = $data{$k}{name};
$i++;
}
}
#Size sort on resource hash
sub bysize { $dgroup{$a}{size} <=> $dgroup{$b}{size} }
@ks=sort bysize (keys %dgroup);
$gsize=0;
printf(" -- KB -- -- Resource --\n", );
foreach $k (@ks){
printf("%10d %s\n", $dgroup{$k}{size}/1024, $dgroup{$k}{name});
$gsize+=$dgroup{$k}{size};
}
printf("Total KB : %10d\n", $gsize/1024);
## isexec($path) -- is $path executable
#
# $path = absolute or relative path to file to test for executabiity.
# Paths that begin with neither '/' nor '.' that arent't found as
# simple references are also tested with the path prefixes of the
# PATH environment variable.
sub
isexec {
my ($path) = @_;
my ($i, @P, $PATH);
$path =~ s/^\s+|\s+$//g;
if ($path eq "") { return(""); }
if (($path =~ m#^[\/\.]#)) {
if (-x $path) { return($path); }
return("");
}
$PATH = $ENV{PATH};
@P = split(":", $PATH);
for ($i = 0; $i <= $#P; $i++) {
if (-x "$P[$i]/$path") { return("$P[$i]/$path"); }
}
return("");
}