in order to speed things up. If the last command did not return any
data, B<RRDp::read> will return an undefined variable.
If you import the PERFORMANCE variables into your namespace,
in order to speed things up. If the last command did not return any
data, B<RRDp::read> will return an undefined variable.
If you import the PERFORMANCE variables into your namespace,
-pass commands on to rrdtool. check the rrdtool documentation for
-more info on the rrdtool commands.
+pass commands on to RRDtool. check the RRDtool documentation for
+more info on the RRDtool commands.
and we don't want to copy this around in memory. So when you want to
access the contents of $answer you have to use $$answer which dereferences
the variable.
=item $status = B<RRDp::end>
and we don't want to copy this around in memory. So when you want to
access the contents of $answer you have to use $$answer which dereferences
the variable.
=item $status = B<RRDp::end>
=item B<$RRDp::user>, B<$RRDp::sys>, B<$RRDp::real>
these variables will contain totals of the user time, system time and
=item B<$RRDp::user>, B<$RRDp::sys>, B<$RRDp::real>
these variables will contain totals of the user time, system time and
The difference between user + system and real is the time spent
waiting for things like the hard disk and new input from the perl
The difference between user + system and real is the time spent
waiting for things like the hard disk and new input from the perl