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Xcode now supports Processor Trace profiling on M4/A18

Xcode now supports Processor Trace profiling on M4/A18

4 comments

·March 9, 2025
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sunnyps

Is this basically like Valgrind, but using CPU counters?

bri3d

Think like callgrind, but without the overhead.

The true x86 equivalent is probably `vtune`

For open source there's `perf` + `flamegraph` but that's not interactive, or `KDAB/hotspot` which is probably the closest open-source thing to Apple Instruments.

7e

How can I use these without the abomination that is Xcode?

null

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