An approach to get power consumption metrics right on Linux

TL’DR With a Linux laptop, you can quite accurately measure the systems current overall power consumption while on battery. This allows to compare if the new version of your software uses more power than the old one. On Intel/AMD systems, power consumption of cpu’s can be measured with RAPL - good enough to compare cpu workloads. You can read these metrics directly from sysfs and do some simple computations, or [Read More]

How is working in Japan different from working in Germany?

What I can compare.. Disclaimer: I have just experienced 2 employers in Germany, and 2 employers in Japan. Also, not only the location/country you work in is relevant for ‘what work feels like’, but also the company. My first German employer was a big IT service provider, with many customers in Germany, some more spread over Europe and just few in the rest of the world. My second employer in [Read More]

Taxes in Japan and Germany

First I worked and payed taxes in Germany. From 2016 on, in Japan. Time to think about the differences in paying taxes, and how they are used. I dislike doing taxes, would prefer if everything would be deducted automatically.. but taxes are there to stay. The differences between both contries are interesting! Income tax in Germany In Germany, income taxes are automatically deducted from the monthly wages. One a year, [Read More]