Bodo Eggert <7eggert@gmx.de> writes:

quoted text
> # /usr/bin/time sh -c "dd if=/dev/hda2 bs=$((77834925/64)) count=4 | perl -e
> '"'use POSIX;while (sysread STDIN,$x,4) {$n++ if $x eq "__PLACEHOLDER__0___PLACEHOLDER__0___PLACEHOLDER__0___PLACEHOLDER__0_"} print
> $n*32,"\n"'\'
> 4+0 records in
> 4+0 records out
> 13954720
> 0.76user 0.60system 0:01.95elapsed 69%CPU (0avgtext+0avgdata 0maxresident)k
> 0inputs+0outputs (8major+1583minor)pagefaults 0swaps

dd will use readahead, and I'm thinking about usb. Well, anyway,
recalc is default in new patch.

Thanks.
-- 
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
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