linux - strace examples

The strace command is a powerful tool for tracing system calls made by a process. It provides deep insights into the interactions between a program and the Linux kernel, helping diagnose issues, optimize performance, and understand the inner workings of applications. In this blog post, we'll explore various scenarios where strace proves invaluable and demonstrate its usage with practical examples.

strace -o output.txt -p <PID>

Tracing System Calls of a Command:

strace -o output.txt command

Identifying File System Activity:

strace -e trace=file -o output.txt command

Focus on file-related system calls, revealing information about file opens, reads, writes, and closes.

Monitoring Network Activity:

strace -e trace=network -o output.txt command