MacOS – How to zoom without a trackpad in Xcode Instruments Time Profiler

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When using Xcode Instruments Time Profiler on my MacBook, I'm able to pinch to zoom in on the CPU measurements in the Swim-lane. However I cannot figure out how to do the equivalent on my iMac with no trackpad.

Xcode Swim-lane screenshot

How can I zoom in on a Swim-lane without a trackpad?

Best Answer

If your mouse has a wheel or touch - hold the option key and then use the scroll wheel / scroll gesture or control.

If you don't have that - you'll need to add a mouse with a wheel or add a trackpad to the iMac.