tag

#system-calls

2 posts

FreeBSDDeep Dive October 3, 2026 6 min read

FreeBSD truss: Diagnose Live System Calls Without Guessing

Trace FreeBSD system calls with truss, follow child processes, limit captured strings, and compare live tracing with ktrace and DTrace workflows.

#freebsd#truss#system-calls

LinuxDeep Dive October 3, 2026 7 min read

Understand how Linux vDSO accelerates selected libc calls, why symbols vary by architecture, how clock semantics differ, and how to measure safely.

#linux#vdso#timekeeping