7 ms·
Related: https://www.brendangregg.com/Perf/linux_observability_tools.png https://www.brendangregg.com/Perf/linux_observability_tools.... Usually people who ask
by NavinF 2y ago
Related: https://www.brendangregg.com/Perf/linux_observability_tools.png https://www.brendangregg.com/Perf/linux_observability_tools....
Usually people who ask questions like this are debugging IO performance issues. That image shows the relevant layers and the tools you use to find issues like write amplification
- atif089 2y agoThanks. What sparked my curiosity is while I'm writing code even a small mistake in the most simple programs can cost me tens or hundreds of milliseconds whereas behind a simple flushing to disk command there is so much happening at so many layers all in sub-millisecond or at most in a couple of seconds.