Uwatec Smart Z data download takes 1.5 hours for only 4 dives

[Sape Sikkema]

Linus,

I'll try, but I may need some guidance as kernel compilation is pretty 
unexplored territory for me. I followed the instructions on 
https://www.suse.com/communities/conversations/compiling-de-linux-kernel-suse-way/ 
. In the .config file I searched:

cat .config | grep CONFIG_HZ
# CONFIG_HZ_PERIODIC is not set
# CONFIG_HZ_100 is not set
CONFIG_HZ_250=y
# CONFIG_HZ_300 is not set
# CONFIG_HZ_1000 is not set
CONFIG_HZ=250

and made the following changes:

CONFIG_HZ_100=y
# CONFIG_HZ_250=y
CONFIG_HZ=100

Then, soon after the "make rpm" command I got the following choice:

Timer frequency
 > 1. 100 HZ (HZ_100)
   2. 250 HZ (HZ_250) (NEW)
   3. 300 HZ (HZ_300)
   4. 1000 HZ (HZ_1000)
choice[1-4?]: 1

Am I on the right track?

Sape