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This article will explain in detail how to use the commonly used Linux command ltrace for you. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.

Linux commonly used command ltrace command is used to track the process calls to library functions, ltrace is also based on ptrace

Syntax format ltrace [parameters]

Common parameters:-an align the return value of a specific column-c calculate the time and call, and print summary-d print debugging information-f tracking child process-l only print the most basic application of the invocation reference instance in a library without any parameters:

[root@linux265 ~] # ltrace. / a.out output call time cost:

[root@linux265 ~] # ltrace-T. / a.out displays the system call:

[root@linux265 ~] # ltrace-S. / a.out calculates the time and call, and prints a summary when the program exits:

[root@linux265 ~] # ltrace-c. / a.out print debugging information:

[root@linux265] # ltrace-d. / a.out this is the end of the article on "how to use ltrace in Linux". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, please share it for more people to see.

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