Date: Sat, 27 Mar 2021 14:30:58 +0100 From: "Herbert J. Skuhra" <herbert@gojira.at> To: stable@freebsd.org Cc: current@freebsd.org Subject: Re: WITHOUT_KERNEL_SYMBOLS - *.ko now with debug_info Message-ID: <87ft0glo4t.wl-herbert@gojira.at> In-Reply-To: <YFfwF1wUgqM4fYJI@mail.bsd4all.net> References: <875z1ktawz.wl-herbert@gojira.at> <YFfwF1wUgqM4fYJI@mail.bsd4all.net>
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add Cc: current@ On Mon, 22 Mar 2021 02:17:11 +0100, "Herbert J. Skuhra" wrote: > > On Sun, Mar 21, 2021 at 11:11:08PM +0100, Herbert J. Skuhra wrote: > > Hi, > > > > since upgrading to stable/13 I was wondering why /boot/kernel is much > > larger. When using "WITHOUT_KERNEL_SYMBOLS=" in /etc/src.conf the > > kernel modules now contain debug_info. OK? (I manually run "objcopy > > --strip-debug".) > > I found the following commit: > > commit 9b6edf364eb05aca4709732136e92a6ab739bb36 > Author: Conrad Meyer > Date: Tue Jun 23 18:25:31 2020 +0000 > > If this change is correct maybe src.conf(5) should be updated: > > WITHOUT_KERNEL_SYMBOLS > Set to not install kernel symbol files. This option is > recommended for those people who have small root partitions. ??? % make -j4 buildkernel KERNCONF=GENERIC SRCCONF=/dev/null % doas make installkernel KERNCONF=GENERIC SRCCONF=/dev/null KODIR=/boot/testkernel % doas rm -rf /usr/obj/usr/src/amd64.amd64/sys/GENERIC % cat /etc/src_tmp.conf WITHOUT_KERNEL_SYMBOLS= % make -j4 buildkernel KERNCONF=GENERIC SRCCONF=/etc/src_tmp.conf % doas make installkernel KERNCONF=GENERIC SRCCONF=/etc/src_tmp.conf KODIR=/boot/testkernel2 % du -sh /boot/testkernel 63M /boot/testkernel (=> ~ 153M UFS or ZFS with compression=off) % du -sh /usr/lib/debug/boot/testkernel/ 151M /usr/lib/debug/boot/testkernel/ (=> ~ 491M UFS or ZFS with compression=off) % du -sh /boot/testkernel2 155M /boot/testkernel2 (=> ~ 494M UFS or ZFS with compression=off) -- Herbert
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