If TaD clock hardware errors occur, the
machine check and
The current clock value can be obtained by using the
the storage location specified in the instruction. Thus, virtual
machines can use the value of the
users desire. However, virtual machine users cannot set or
TaD clock..
accounting records for the virtual machines as well as queueing and
prioritizing tasks for
The privileged
specific value. If certain operating or program conditions exist,
instruction executes, it replaces the current clock value
specified in the instruction. The
clock value only when the
If the
has previously been established for the main
or'd to the other processors' TaD Enable
setting of the clock from either processor. If the low-order 32 bits of
the TaD clock are out of synchronization, a
received. Again, you will be requested to synchronize the
Details on those segments of
only to attached processor applications are detailed at the
are unique
end of the
If the clock needs to be set,
issuing the message:
tests are being run, or when system power is turned off.