Re: [gentoo-user] ccache taking way too long time

[Fernando Meira]

On 9/28/05, Tamas Sarga <tamas@×××××××××××××××××.net> wrote:
>
>
> On Sun, 25 Sep 2005, Fernando Meira wrote:
>
> >
> > Hi,
> >
> > I been using ccache for sometime since its mail goal is to speedup
> common
> > compiling sets.
> > This is great when updating several packages.
> > However, every time that a package is to be emerge/updated my system
> waits
> > for ccache some long minutes. This happens twice, at the emerge start
> and
> > end. For some small packages, it takes more time to handle ccache than
> > compiling the package itself... so I wondering if this is normal, or it
> is
> > something mis-configured?
> >
> > Here is how it looks:
> >
> > >>> emerge (2 of 10) media-sound/cdparanoia-3.9.8-r2 to /
> > * Adjusting permissions on ccache in /root/.ccache
> > * Adjusting permissions on ccache in /root/.ccache
> > >>> Downloading ftp://ftp.tu-clausthal.de/pub/linux/...
> > (...)
> > >>> Completed installing cdparanoia-3.9.8-r2 into
> > /var/tmp/portage/cdparanoia-3.9.8-r2/image/
> >
> > >>> Merging media-sound/cdparanoia-3.9.8-r2 to /
> > * Adjusting permissions on ccache in /root/.ccache
> > (...)
> >
> > Fernando
> >
>
> Hi,
>
> I also use ccache for a some time.
> I use
> $CCACHE_DIR=/var/cache/ccache/
>
> ls -la /var/cache/ccache
> drwxrws--- 18 portage portage 4096 Sep 25 16:29 .
> drwxr-xr-x 7 root root 4096 Oct 14 2004 ..
> drwxr-sr-x 18 portage portage 4096 Oct 24 2004 0
> drwxr-sr-x 18 portage portage 4096 Oct 24 2004 1
> drwxr-sr-x 18 portage portage 4096 Oct 24 2004 2
> <snip>
>
> My portage user is portage.
>
> I haven't got the mentioned problem.
> What are your settings?
>
> Cheers,
> Tamas Sarga Sárga Tamás


Hi,
thanks for replying..

My setting are:

$CCACHE_DIR=/root/.ccache/

Portage user is also portage.

# ll .ccache/
total 14
drwxrwS--- 18 root portage 576 Sep 29 00:21 .
drwx------ 19 root root 1032 Sep 29 23:39 ..
-rw-rw-r-- 1 root portage 0 Aug 25 13:32 .keep
drwxrwsr-x 18 root portage 456 Sep 3 21:48 0
drwxrwsr-x 18 root portage 456 Sep 3 21:35 1
drwxrwsr-x 18 root portage 456 Sep 3 21:43 2
drwxrwsr-x 18 root portage 456 Sep 3 21:42 3
drwxrwsr-x 18 root portage 456 Sep 3 22:00 4
drwxrwsr-x 18 root portage 456 Sep 3 21:42 5
drwxrwsr-x 18 root portage 456 Sep 3 20:55 6
drwxrwsr-x 18 root portage 456 Sep 3 21:42 7
drwxrwsr-x 18 root portage 456 Sep 3 21:55 8
drwxrwsr-x 18 root portage 456 Sep 3 21:43 9
drwxrwsr-x 18 root portage 456 Sep 3 21:37 a
drwxrwsr-x 18 root portage 456 Sep 3 21:44 b
drwxrwsr-x 18 root portage 456 Sep 3 21:48 c
drwxrwsr-x 18 root portage 456 Sep 3 21:43 d
drwxrwsr-x 18 root portage 456 Sep 3 21:49 e
drwxrwsr-x 18 root portage 456 Sep 3 20:55 f
-rw-rw-r-- 1 root portage 66 Sep 29 00:21 stats
-rw-rw-r-- 1 root portage 120 Sep 24 22:32 tmp.hash.nandux.29184.gcno
-rw-rw-r-- 1 root portage 120 Sep 12 00:13 tmp.hash.nandux.6642.gcno

# du -sh .ccache/
965M .ccache/

# ccache -s
cache hit 4569
cache miss 32736
called for link 3200
multiple source files 7
compile failed 618
preprocessor error 209
not a C/C++ file 1420
autoconf compile/link 3617
unsupported compiler option 1214
no input file 2570
files in cache 65472
cache size 960.6 Mbytes
max cache size 2.0 Gbytes

Can it be just because it's inside root's dir?

Cheers,
Fernando