On Mon, Sep 08, 2025 at 05:42:58PM +0200, Marc Gonzalez wrote: > I've run out of ideas to identify other sources of variance. > (I ran everything in single user mode with nothing else running.) > Perhaps with perf I could identify the source of stalls or bubbles? > > Hoping someone can point me in the right direction. There are few guides out there, explaining the common pitfalls. I suppose you have already found them. Just in case you missed Frederic's excellent blog on CPU isolation: https://www.suse.com/c/cpu-isolation-introduction-part-1/
