Linux program debugging tool ltrace

Source: Internet
Author: User
The ltrace command is used to trace the process's call to the library function. call ltrace [-CdfhiLrStttV] [-ac.

The ltrace command is used to track the situation where a process calls a library function.


Ltrace [-CdfhiLrStttV] [-a column] [-e expr] [-l filename] [-n nr] [-o filename] [-p pid]... [-s strsize] [-u username] [-X extern] [-x extern]
... [-- Align = column] [-- debug] [-- demangle] [-- help] [-- indent = nr] [-- library = filename] [-- output = filename] [-- version] [command [arg...]

Main options

-F: in addition to tracking the current process, it also traces its sub-processes.
-O file: write the output information to the file instead of stderr)
-P pid: bind to a running process corresponding to the pid. this parameter is often used to debug background processes.
-D: Print debugging information

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