tldr/pages/linux/strace.md

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strace

Troubleshooting tool for tracing system calls

  • Start tracing a specific process by its PID

strace -p {{pid}}

  • Trace a process and filter output by system call

strace -p {{pid}} -e {{system call name}}

  • Count time, calls, and errors for each system call and report a summary on program exit.

strace -p {{pid}} -c