Command Line Interface Guide

58 omreport: Viewing System Status Using the Instrumentation Service
• Cache Device Current Type
•External Socket Name
NOTE: Due to the limitations of certain operating systems (for example, VMware
ESXi), certain features are not available with this release of OpenManage Server
Administrator.
Fields Reported for Each Cache on a Particular Processor
The following fields are displayed for each cache on a particular processor:
Status reports whether a specific cache on the processor is enabled or
disabled.
Level refers to a primary or secondary cache. Primary-level cache is a memory
bank built into the processor. Secondary-level cache is a staging area that
feeds the primary cache. A secondary-level cache is built into the processor or
reside in a memory chipset outside the processor. The internal processor
cache is referred to as a Level 1 (or L1.) L2 cache is the external cache in a
system with an Intel Pentium processor, and it is the second level of cache
that is accessed. The names L1 and L2 are not indicative of where the cache is
physically located (internal or external), but describe which cache is accessed
first (L1, therefore internal.)
Speed refers to the rate at which the cache can forward data from the main
memory to the processor.
Max Size is the maximum amount of memory that the cache can hold in
kilobytes.
Installed Size is the actual size of the cache.
Ty p e indicates whether the cache is primary or secondary.
Location is the location of the cache on the processor or on a chipset outside
the processor.
A Write Policy describes how the cache deals with a write cycle. In a
write-back policy, the cache acts like a buffer. When the processor starts a
write cycle, the cache receives the data and stops the cycle. The cache then
writes the data back to the main memory when the system bus is available.
In a write-through policy, the processor writes through the cache to the main
memory. The write cycle does not complete until the data is stored into the
main memory.