On 01/02/20 at 09:02am, Zbigniew Jędrzejewski-Szmek wrote: > On Thu, Jan 02, 2020 at 12:21:26AM +0800, Kairui Song wrote: > > Some component, like Systemd, have grown by a lot, here is a list of > > the size of part of binaries along with the binaries they required in > > F31: > > /root/image/bin/systemctl > > 20M . > > /root/image/usr/bin/systemctl > > 20M . > > /root/image/usr/bin/systemd-cgls > > 20M . > > /root/image/usr/bin/systemd-escape > > 20M . > > /root/image/usr/bin/systemd-run > > 20M . > > ... > > > > There are overlays between the libraries they used so when installed > > into the initramfs, the total size didn't go too big yet. But we can > > see the size of systemd binary and libraries it used is much bigger > > than others. > > All systemd binaries will mostly link to the same libraries (because > they link to a private shared library, which links to various other > shared libraries). So this "20M" will be repeated over and over, but > it's the same dependencies. > > While we'd all prefer for this to be smaller, 20M should is actually > not that much... > > > And as a compare, from version 219 to 243, systemd's library > > dependency increased a lot: > > (v219 is 5M in total, v243 is 20M in total) > > This is slightly misleading. Code was moved from individual binaries > to libsystemd-shared-nnn.so, so if you look at the deps of just a single > binary, you'll see many more deps (because libsystemd-shared-nnn.so has > more deps). But the total number of deps when summed over all binaries > grew much less. A more useful measure would be the size with deps summed > over all systemd binaries that are installed into your image in v219 and > v243. >
I vaguely remember the size increased before due to linking with libidn2 previously, so those libraries contribute a lot. Does every systemd binary depend on all libraries? Or each of the systemd binary only depends on those libs when really needed? Thanks Dave _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/systemd-devel
