Hello,
yeah, we know buildinstall isn't perfect, that's why it's being rewritten now.
I hope that the new code will be working a lot better.
--
Martin Gracik
----- "John Reiser" <jreiser@xxxxxxxxxxxx> wrote:
> Did buildinstall.functions (and/or mkinitrd), which is now written
> in bash, used to be written in some other language, such as python?
> get_dso_deps contains a comment "I still hate shell."
>
> I have been building and testing a DVD from rawhide daily using
> pungi. Building takes about 40 to 45 minutes: 10 minutes user CPU,
> 14 minutes system CPU, and 16 to 20 minutes download.
>
> I'd like that to be faster, say 8 to 10 minutes plus download.
> After Bug 559647 (quadratic work: genisoimage per .rpm) then
> the next longest piece is upd-instroot. "strace -f -c" shows
> that there are over 125,000 successful execve(). Now install.img
> has around 14,600 files, so the average is more than 8 execve
> per file. A detailed examination using strace shows over 97,000
> execve by upd-instroot:
> 34573 upd-instroot execve("/usr/bin/dirname",
> 15167 upd-instroot execve("/bin/cp",
> 12513 upd-instroot execve("/bin/egrep",
> 11478 upd-instroot execve("/usr/bin/file",
> 5538 upd-instroot execve("/bin/sed",
> 5010 upd-instroot execve("/bin/basename",
> 3675 upd-instroot execve("/usr/bin/readlink",
> 3090 upd-instroot execve("/usr/sbin/chroot",
> 2264 upd-instroot execve("/bin/rm",
> 1134 upd-instroot execve("/bin/ln",
> 1046 upd-instroot execve("/bin/grep",
> 1031 upd-instroot execve("/lib64/ld-2.11.90.so",
> 1030 upd-instroot execve("/bin/uname",
> 703 upd-instroot execve("/usr/bin/find",
> 627 upd-instroot execve("/bin/mkdir",
> [snip]
> and the culprits are instFile() and get_dso_deps() and callers.
> One process making some direct calls per file, instead of
> clone+execve several times per file, should be much faster.
>
> --
>
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