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strace is a powerful system call tracer for Linux but comes with significant performance overhead and potential risks, making it unsuitable for use in production environments. The tool operates by pausing the target process for each syscall, causing a slowdown. Alternatives like perf_events may be more appropriate. The post offers insights into learning and using strace effectively, as well as similarities and differences with advanced tracers like SystemTap and ktap.

strace Wow Much Syscall