$ sudo strace -p 24622
Password: 
Process 24622 attached
pause()                                 = ? ERESTARTNOHAND (To be restarted if
no handler)
--- SIGALRM {si_signo=SIGALRM, si_code=SI_KERNEL} ---
rt_sigreturn()                          = -1 EINTR (Interrupted system call)
alarm(0)                                = 0
kill(9832, SIG_0)                       = 0
rt_sigaction(SIGALRM, {0x428d80, [], SA_RESTORER, 0x7f212879bf70}, {0x428d80,
[], SA_RESTORER, 0x7f212879bf70}, 8) = 0
alarm(15)                               = 0
pause(