36 lines
891 B
Plaintext
36 lines
891 B
Plaintext
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#!/usr/bin/perl -w
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#this script search for frag on a fs
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use strict;
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#number of files
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my $files = 0;
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#number of fragment
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my $fragments = 0;
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#number of fragmented files
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my $fragfiles = 0;
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#search fs for all file
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open (FILES, "find " . $ARGV[0] . " -xdev -type f -print0 |");
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$/ = "\0";
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while (defined (my $file = <FILES>)) {
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open (FRAG, "-|", "filefrag", $file);
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my $res = <FRAG>;
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if ($res =~ m/.*:\s+(\d+) extents? found/) {
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my $fragment = $1;
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$fragments += $fragment;
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if ($fragment > 1) {
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$fragfiles++;
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}
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$files++;
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} else {
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print ("$res : not understand for $file.\n");
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}
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close (FRAG);
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}
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close (FILES);
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print ( $fragfiles / $files * 100 . "% non contiguous files, " . $fragments / $files . " average fragments.\n");
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