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How frequently do you use profilers/debuggers at work? (anarch.is)

submitted 1 year ago by [email protected] to c/[email protected]

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I know profilers and debuggers are a boon for productivity, but anecdotally I've found they're seldom used. How often do you use debuggers/profilers in your work? What's preventing you? conversely, what enables you to use them?

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[–] [email protected] 5 points 1 year ago

I seldom use profilers because I seldom need to. It's only usefull to run a profiler if your programm has a well defined perfomance issue (like "The request should have an average responsetime of X ms but has one of Y ms" or "90% of the requests should have a response after X ms but only Y% actually do).

On the other hand I use a debugger all the time. I rarely start any programm I work on without a debugger attached. Even if I'm just running a smoke test, if this fails I want to be able to dig right into the issue without having to restart the programm in debug mode. The only situation, where i routinely run code without a debugger is the red-green-refactor cycle with running unit tests because I'll need to re run these multiple times with a debugger anyway if there are unexpected reds...

What enables me? Well there's this prominent bug-shaped icon in my IDE right besides the "play button", and there's Dev-Tools in Chrome that comes with the debugger for JS...

Running your code without a debugger is only usefull if you want to actually use it or if you're so sure that there aren't any issues that you might as well skip running the code altogether...