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Profiling a build

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• To: netbsd-users%netbsd.org@localhost
• Subject: Profiling a build
• From: Benny Siegert <bsiegert%netbsd.org@localhost>
• Date: Tue, 2 Dec 2025 06:23:00 +0000 (UTC)

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Hi!

I would like to profile a build that takes about 2-3 hours on my Raspberry Pi. The build does not use Make.

The questions I would like to answer are:
1. How much time is spent waiting for I/O?

2. How much time is spent in the various processes? i.e. compiler, linker, test binaries.

Should I be looking at dtrace for that? Or is there something simpler?
--
Benny

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