Dear all, strace can report system call and signal of a process. Is it used only for testing some program? Can I use it on a already running process? If yes, does it impact the execution time or performance of the process? Thanks -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/