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performance

2 posts tagged performance.

  • Reading Apple Silicon's performance counters without root

    There is no eBPF for macOS and DTrace requires root. This paper documents what remains: sample, xctrace, the undocumented kpep event catalogue, and a method for identifying the unnamed counter slots that xctrace exports.

    apple-silicondtracemacos

  • Postgres connection options you might not know

    A grab bag of Postgres connection/session defaults (and one Linux I/O gotcha) that make your app safer, more predictable, and easier to debug.

    bundrizzlenodejs

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