Welcome to the second part in this series on how to get perf to work on ARM32. If you just arrived here and want to know what is perf and why it would be useful, refer to Part 1—it is very brief. If you’re already familiar with perf, you can skip it. To put it …
Continue reading “Getting perf to work on ARM32 Linux: Part 2, the ISAs”
perf is a tool you can use in Linux for analyzing performance-related issues. It has many features (e.g. it can report statistics on cache misses and set dynamic probes on kernel functions), but the one I’m concerned at this point is callchain sampling. That is, we can use perf as a sampling profiler. A sampling …
Continue reading “Getting perf to work on ARM32 Linux: Part 1, the tease”