strace系统调用 https://strace.io/ linux strace 在线手册 https://man7.org/linux/man-pages/man1/strace.1.html 应用程序调用操作系统提供的函数库或函数 system call -s strsize –string-limit=_strsize_ Specify the maximum string size to print (the default is 32). Note that filenames are not considered strings and are always printed in full. -f –follow-forks Trace child