[Performance] : Flame Graphs

In the previous article we explored the basic capabilities of linux Perf_tool. In this write-up I am trying to extend these capabilities and show how to generate and read Flame Graphs for analyzing the profiles generated with Perf_tool. How to generate Flame Graphs ? To start with, we will need perf_tools linux profiler to capture the profile first. Follow the steps under “How to setup perf tool?” in the previous article. Now if you collect a profile of the CPU using perf_tool setup in the above step, there is a possibility that you might see a lot of symbol link values in the place of Function names. ...

April 26, 2020 · 4 min · Akshay Deshpande