Question

Could some one direct me to a command or a way on Linux to measure the number of migrations experienced by a thread or a process? Thank you.

Answer 1

I’m not sure if you have a better tool, but you can use perf tool for that.

Perf is a profiler tool for Linux 2.6+ based systems that abstracts
away CPU hardware differences in Linux performance measurements and
presents a simple commandline interface. Perf is based on the
perf_events interface exported by recent versions of the Linux kernel.

I have never personally used it, but on their website you have a tutorial and an output example of Counting with perf stat, where the number of migrations is part of the output.

I hope it helps.