etime.3f

来自「<B>Digital的Unix操作系统VAX 4.2源码</B>」· 3F 代码 · 共 34 行

.\" SCCSID: @(#)etime.3f	8.1	9/11/90
.TH etime 3f VAX "" Unsupported
.SH Name
etime, dtime \- return elapsed execution time
.SH Syntax
.B function etime (tarray)
.br
.B real tarray(2)
.sp 1
.B function dtime (tarray)
.br
.B real tarray(2)
.SH Description
.NXR "etime subroutine (FORTRAN)"
.NXR "dtime subroutine (FORTRAN)"
.NXR "process" "returning elapsed runtime"
These two routines return elapsed runtime in seconds for the calling process.
The
.PN dtime
routine returns the elapsed time since the last call to
.PN dtime ,
or the start of execution on the first call.
.PP
The argument array returns user time in the first element and system time
in the second element.
The function value is the sum of user and system time.
.PP
The resolution of all timing is 1/HZ sec. where HZ is currently 60.
.SH Files
.ie \nM /usr/ucb/lib/libU77.a
.el /usr/lib/libU77.a
.SH See Also
time(3f)