Me: looks at the resulting flamegraph. "what the hell is this?!?!?"
I've found all kinds of crazy stuff in codebases this way. Static initializers that aren't static, one-line logger calls that trigger expensive serialization, heavy string-parsing calls that don't memoize patterns, etc. Unfortunately some of those are my fault.
Me: looks at my code. "sure, ok, looks alright."
Me: looks at the resulting flamegraph. "what the hell is this?!?!?"
I've found all kinds of crazy stuff in codebases this way. Static initializers that aren't static, one-line logger calls that trigger expensive serialization, heavy string-parsing calls that don't memoize patterns, etc. Unfortunately some of those are my fault.