I believe that macOS still ships with DTrace; Xcode Instruments was originally built on top of it. https://dtrace.org https://dtrace.org (Some people find it

I believe that macOS still ships with DTrace; Xcode Instruments was originally built on top of it. https://dtrace.org https://dtrace.org (Some people find it easier to write a one-line script that reports the timings that they need; I don't know if it helps you.)