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Added options -atime -mtime -scale

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hjp 2000-01-17 13:57:22 +00:00
parent 5651a7db51
commit e283e215ae
1 changed files with 39 additions and 14 deletions
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@ -1,24 +1,46 @@
#!/usr/local/bin/perl #!/usr/bin/perl -w
use strict;
use File::stat; use File::stat;
use File::Find; use File::Find;
use Getopt::Long;
$now = time(); my $now = time();
$log_2 = log(2); my $log_2 = log(2);
my %opts = ();
GetOptions(\%opts, "atime", "mtime", "scale=s");
my $scale;
if (!defined($opts{scale})) {
$scale = 1;
} elsif ($opts{scale} eq 'k') {
$scale = 1024;
} elsif ($opts{scale} eq 'M') {
$scale = 1024*1024;
} else {
print STDERR "Usage: $0 [-atime|-mtime] [-scale=(k|m)]\n";
exit 1;
}
my @hist;
sub wanted { sub wanted {
$st = lstat($_); my $st = lstat($_);
$age = $now - ($st->atime > $st->mtime ? $st->atime : $st->mtime ); my $age = $now - (
$opts{atime} ? $st->atime :
$opts{mtime} ? $st->mtime :
($st->atime > $st->mtime ? $st->atime
: $st->mtime ));
#print $File::Find::name, ": $age sec, ", $st->size, " bytes, ", $st->nlink, " links\n"; #print $File::Find::name, ": $age sec, ", $st->size, " bytes, ", $st->nlink, " links\n";
$log2age = log($age >= 1 ? $age : 1) / $log_2; my $log2age = log($age >= 1 ? $age : 1) / $log_2;
$hist[$log2age] += $st->size / $st->nlink; $hist[$log2age] += $st->size / $st->nlink;
} }
sub logtime2str { sub logtime2str {
my ($lt) = (@_); my ($lt) = (@_);
$t = 1 << $lt; my $t = 1 << $lt;
if ($t < 60) { if ($t < 60) {
return sprintf ("%5.1f s", $t); return sprintf ("%5.1f s", $t);
@ -38,16 +60,19 @@ find(\&wanted, @ARGV);
print "\n\n"; print "\n\n";
$sum = 0; my $sum = 0;
for ($i = 0; $i <= $#hist; $i++) { for (my $i = 0; $i <= $#hist; $i++) {
$sum += $hist[$i]; $sum += ($hist[$i] || 0);
} }
for ($i = 0; $i <= $#hist; $i++) {
$h = $hist[$i]; my $c = 0;
for (my $i = 0; $i <= $#hist; $i++) {
my $h = ($hist[$i] || 0);
$c += $h; $c += $h;
printf("%2d\t%s\t%12.0f\t%5.1f\t%12.0f\t%5.1f\n", $i, logtime2str($i), $h, $h * 100 / $sum, $c, $c * 100 / $sum); printf("%2d\t%s\t%12.0f\t%5.1f\t%12.0f\t%5.1f\n", $i,
logtime2str($i), $h/$scale, $h * 100 / $sum, $c/$scale, $c * 100 / $sum);
} }
print("#-------------------------------------------\n"); print("#-------------------------------------------\n");
printf("total\t\t%12.0f\t%5.1f\n", $sum, $sum * 100 / $sum); printf("total\t\t%12.0f\t%5.1f\n", $sum/$scale, $sum * 100 / $sum);