.TH PROF 2
.SH NAME
prof, _profdump \- profile functions
.SH SYNOPSIS
.B
void	prof(void (*fn)(void*), void *arg, int entries, int what)
.PP
.B
void	_profdump(void)
.SH DESCRIPTION
.I Prof
profiles a single function and writes the profiling data to a file
on return as specified in
.IR prof (1).
The function
.I _profdump
may be called to dump profile information before function exit,
or when profiling whole program invocations, at any point before
exit.
.SH SOURCE
.SH "SEE ALSO"
.IR prof (1).
.SH BUGS
When mixing calls to
.IR prof 
and
.I _profdump
and
whole-program profiling, it is easy to overwrite the fixed output file.