Monthly Archives: October 2015

Show last used CPU in “top” and “ps”

I always need to display last executed CPU in my daily work, mostly to validate that thread affinity is properly working. And it is nearly always painful experience when I desperately trying to find how to display it as it … Continue reading

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FIFO RT process doing plain stdout freezes pseudo terminal

I have recently been playing with real time process with linux’s chrt command on my centos7 system. I started with some simple program that does basic hello world output and interestingly to see it immediate got my screen based terminal … Continue reading

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How Shared Library gets mmap’ed on Numa System

It’s not new to us that when dynamically linked executable gets executed from shell the binary loader will try to map both executable as well as shared library into the executable’s process address space using mmap(). For example we can … Continue reading

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