dtruss: add page (#23544)

Co-authored-by: Harshavardhan <harsha.manjula.venkataramanan@gmail.com>
Co-authored-by: Wiktor Perskawiec <wiktor@perskawiec.cc>

pages/osx/dtruss.md

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+# dtruss
+
+> Trace system calls and kernel activities on `osx` using DTrace.
+> Note: Requires System Integrity Protection to be disabled.
+> See also: `strace`.
+> More information: <https://keith.github.io/xcode-man-pages/dtruss.1m.html>.
+
+- Trace a running process by PID:
+
+`sudo dtruss -p {{pid}}`
+
+- Run a program and trace it:
+
+`sudo dtruss {{program}}`
+
+- [W]ait for a process with a matching name and trace it:
+
+`sudo dtruss -W {{name}}`
+
+- Print [e]lapsed time, [o]n-cpu time, and [c]ount of each system call:
+
+`sudo dtruss -eoc -p {{pid}}`
+
+- Trace a process and [f]ollow children:
+
+`sudo dtruss -f -p {{pid}}`
+
+- Print occurrences of a specific system call:
+
+`sudo dtruss -t {{syscall}} -p {{pid}}`