From: Nicolas Schier <n.schier@avm.de>
To: Salvatore Bonaccorso <carnil@debian.org>
Cc: Masahiro Yamada <masahiroy@kernel.org>,
Nathan Chancellor <nathan@kernel.org>,
linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org,
Nicolas Schier <nicolas@fjasle.eu>
Subject: Re: make deb-pkg: Does not strip debug symbols when compressing modules
Date: Fri, 15 Dec 2023 13:13:20 +0100 [thread overview]
Message-ID: <ZXxC4i1BIUh9oABC@buildd.core.avm.de> (raw)
In-Reply-To: <ZXtieLq1kTs4pIbL@eldamar.lan>
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On Thu, Dec 14, 2023 at 09:15:52PM +0100, Salvatore Bonaccorso wrote:
> Hi,
>
> On Thu, Dec 14, 2023 at 09:10:41PM +0100, Salvatore Bonaccorso wrote:
> > Hi
> >
> > When using (only tested with XZ compression, but the others should
> > behave similarly) CONFIG_MODULE_COMPRESS_XZ=y to compress the modules,
> > it looks that the debug symbols are not striped.
> >
> > Building with the attached test configuration results in packages:
> >
> > -rw-r--r-- 1 build build 8.9M Dec 14 20:47 linux-headers-6.7.0-rc5+_6.7.0-rc5-00042-g88035e5694a8-1_amd64.deb
> > -rw-r--r-- 1 build build 75M Dec 14 20:48 linux-image-6.7.0-rc5+-dbg_6.7.0-rc5-00042-g88035e5694a8-1_amd64.deb
> > -rw-r--r-- 1 build build 1014M Dec 14 20:47 linux-image-6.7.0-rc5+_6.7.0-rc5-00042-g88035e5694a8-1_amd64.deb
> > -rw-r--r-- 1 build build 1.3M Dec 14 20:47 linux-libc-dev_6.7.0-rc5-00042-g88035e5694a8-1_amd64.deb
> >
> > This is odd, the linux-image-6.7.0-rc5+ package has a size of almost
> > 1G and the modules are not stripped.
> >
> > Switching the values instread to
> >
> > CONFIG_MODULE_COMPRESS_NONE=y
> > # CONFIG_MODULE_COMPRESS_XZ is not set
> >
> > the packages are again produced correctly:
> >
> > -rw-r--r-- 1 build build 8.9M Dec 14 20:59 linux-headers-6.7.0-rc5+_6.7.0-rc5-00042-g88035e5694a8-2_amd64.deb
> > -rw-r--r-- 1 build build 819M Dec 14 21:00 linux-image-6.7.0-rc5+-dbg_6.7.0-rc5-00042-g88035e5694a8-2_amd64.deb
> > -rw-r--r-- 1 build build 73M Dec 14 20:59 linux-image-6.7.0-rc5+_6.7.0-rc5-00042-g88035e5694a8-2_amd64.deb
> > -rw-r--r-- 1 build build 1.3M Dec 14 20:59 linux-libc-dev_6.7.0-rc5-00042-g88035e5694a8-2_amd64.deb
>
> and the classical one. Missed to attach the promised attachement. The
> used config is now here.
:)
Hi Salvatore,
did you try to build with 'make INSTALL_MOD_STRIP=1 ...'? When I'm
reproducing your issue here, the flag reduces the package size from ~1GB
to ~95MB.
Kind regards,
Nicolas
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next prev parent reply other threads:[~2023-12-15 12:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-14 20:10 make deb-pkg: Does not strip debug symbols when compressing modules Salvatore Bonaccorso
2023-12-14 20:15 ` Salvatore Bonaccorso
2023-12-15 12:13 ` Nicolas Schier [this message]
2023-12-16 1:24 ` Masahiro Yamada
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