On Wed, Aug 04, 2021 at 11:31:29AM +0200, David Disseldorp wrote:
> Ping, any feedback on this change?
>
> I think it's a no brainer, but for kicks I ran a few unrealistic micro
> benchmarks on my laptop. Extraction time for a cpio image with 1M+
> directories improved by 5ms (pre: 14.614s, post: 14.609s), when averaged
> across 20 runs of:
> qemu-system-x86_64 -machine accel=kvm -smp cpus=1 -m 10240 \
> -kernel ~/linux/arch/x86/boot/bzImage \
> -initrd ./initrds/gen_cpio.out \
> -append "initramfs_async=0 console=ttyS0 panic=0" -nographic \
> | awk '/Trying to unpack rootfs/ {start_ts = $2};
> /Freeing initrd memory/ {end_ts = $2}
> END {printf "%f\n", end_ts - start_ts}'
What was the dispersion for those runs?
