These signals are not defined by POSIX, and are not supported by kpm yet:
Trace/breakpoint trap.
IOT trap. A synonym for SIGABRT.
Bus error.
Bad argument to routine (SVID).
Stack fault on coprocessor.
Urgent condition on socket (4.2 BSD).
I/O now possible (4.2 BSD).
Synonym for SIGIO (System V).
Synonym for SIGCHLD.
CPU time limit exceeded (4.2 BSD).
File size limit exceeded (4.2 BSD).
Virtual alarm clock (4.2 BSD).
Profile alarm clock.
Power failure (System V).
A synonym for SIGPWR.
File lock lost.
Window resize signal (4.3 BSD, Sun).
Unused signal.