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1956

How Do I Profile eBPF Code?

If we are running any eBPF workload or writing eBPF code, we want to measure its performance impact, and in this post we will demonstrate an example of how to do it. In this example, our goal is to measure the performance of file open operations, one of the most critical functions in the OS. Our code used file open…

1959

I'd not buy a LG monitor

There is a video by Gamers Nexus making the rounds that makes me really angry. It reports about LG's latest practise to add blatant spyware to a monitor. Or to be precise to the *software* application associated with that monitor. The icing is that Windows apparently automatically downloads this software by default…

1972

Wolves, sheep, and gypsies

In 2012, the first Danish wolf in nearly two hundred years was discovered in the northwestern part of the country. Their numbers increased slowly in the years that followed, and by 2020, fewer than ten wolves were still being tracked. But then the population began to rise sharply: around 14 in 2021, 30 in 2022, as…