Store software instrumentation package instruction

Details Store software instrumentation package instruction Store software instrumentation package instruction

1996-02-01

1997-10-07

Chan, Eddie P.

395449, G06F 1134

Patent

active

056757689

ABSTRACT:
A method and apparatus for efficiently requesting the instruction processor to store its state information directly to main memory storage is provided by a single instruction command. An advantage is a performance improvement over the prior art since the time-consuming tasks of transferring Local Area Network (LAN) messages and scanning the instruction processor are eliminated. An additional advantage is a savings in computer time since the System Control Facility (SCF) and Network Interface Module (NIM) are not required to store the instruction processor state information. Yet another advantage is large amounts of additional hardware are not required. The same control logic used to generate the o-cache jump-history entry is used to generate the store software instrumentation package instruction which requests the instruction processor to store its state information directly to main memory storage.

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