On Thu, Nov 30, 2023 at 1:17 AM <nayabbasha.sa...@microchip.com> wrote:
> Hi all, > > We have decided to replace buysbox init with systemd in our development > boards Buildroot images. > > One of the boards - > https://www.microchip.com/en-us/development-tool/atsama5d27-som1-ek1 > > While we notice the reduction in boot time as well as the systemd > features useful (ex: systemd-networkd), we notice the degraded > performance when we run bench-marking software. > > Benchmarking software uri - https://github.com/linux4sam/egt-benchmark. > > One of the benchmark case is, where it simply opens graphical window on > LCD screen and then simply closes it. For this case, the egt-benchmark > shows 9 iterations/sec for busybox init. And it's only 5 iterations/sec > for systemd init. > > We have gone through some of the techniques mentioned in the bootlin's > debugging slides > (https://bootlin.com/doc/training/debugging/debugging-slides.pdf) to > optimize the system performance. Didn't help much. > > Note that all the development boards we use are single core SoCs. > > Any pointers that would lead to narrow down the issue would be grateful > here. Thanks in advance. > > -- > Thanks, > Nayab > > Nayab: Without profiler data before/after it is just speculation that systemd got anything to do with this.