7 Finding hidden issues using profiling techniques
This chapter covers
- Sampling an app’s execution to find the currently executing methods
- Observing execution times
- Identifying SQL queries the app executes
In chapter 6, I said a profiler is a powerful tool that can show you a path when all the lights have gone out. But what we discussed was just a small part of the profiler’s capabilities. A profiler offers powerful tools for investigating an app’s execution, and learning to use these tools properly can help you in many scenarios.
In many cases, I have had to evaluate or investigate app executions for codebases I could barely read—old apps with poorly modeled code design, which some companies kept hidden in a wardrobe. In such cases, the profiler ...
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