There is another performance improvement upstream:
https://github.com/dracut-ng/dracut-ng/pull/408

I tested this change a Raspberry Pi Zero 2W, but it had no measurable
performance improvement:

```
$ sudo hyperfine --warmup 1 -r 10 "update-initramfs -u"
Benchmark 1: update-initramfs -u
  Time (mean ± σ):     249.595 s ±  7.243 s    [User: 66.584 s, System: 170.342 
s]
  Range (min … max):   240.879 s … 260.506 s    10 runs
```

Dave, can you test dracut 060+5-1ubuntu3.2~ppa1 from
https://launchpad.net/~bdrung/+archive/ubuntu/ppa to see if that would
improve the situation on the other Pis? Viraniac, could you test that
version on your VIM4?

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https://bugs.launchpad.net/bugs/2065180

Title:
  performance regression in dracut-install 060

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