It's been suggested by few people (me included) here to use -lowlatency kernels from Ubuntu. If there's particular reason why we can't use Ubuntu instead of Debian for osmo-gsm-tester than we could try installing kernels from https://liquorix.net/ repository.
On 27.06.2017 11:42, Pau Espin Pedrol wrote:
Linux osmo-gsm-tester-rnd 3.16.0-4-amd64 #1 SMP Debian 3.16.36-1+deb8u2 (2016-10-19) x86_64 GNU/Linux