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tldr/pages/linux/strace.md
Fazle Arefin 23bbfa72ea
strace: update page (#12297) 
* strace: update page

---------

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>
Co-authored-by: Vitor Henrique <87824454+vitorhcl@users.noreply.github.com>
2024-02-19 19:58:47 +05:30

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strace

Troubleshooting tool for tracing system calls. More information: https://manned.org/strace.

  • Start tracing a specific [p]rocess by its PID:

strace -p {{pid}}

  • Trace a [p]rocess and filt[e]r output by system call:

strace -p {{pid}} -e {{system_call,system_call2,...}}

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

strace -p {{pid}} -c

  • Show the [T]ime spent in every system call:

strace -p {{pid}} -T

  • Start tracing a program by executing it:

strace {{program}}

  • Start tracing file operations of a program:

strace -e trace=file {{program}}

  • Start tracing network operations of a program as well as all its [f]orked and child processes, saving the [o]utput to a file:

strace -f -e trace=network -o {{trace.txt}} {{program}}