onstat -g vpcache command: Print CPU virtual processor and tenant virtual processor private memory cache statistics
Run the onstat -g vpcache command to display statistics about CPU virtual processor and tenant virtual processor private memory caches.
Example output
The output for each CPU or tenant virtual processor has the same format. The following example shows the output for one CPU virtual processor.
Output description
vpid
The ID of the virtual processor
pid
The process ID for the virtual processor that is assigned by the operating system
Blocks held
The number of 4096 byte blocks that are available in the private
memory cache
Hit percentage
The percentage of time that a block was available when requested
Free cache
The percentage of time that blocks were freed for reuse without
being drained
Current VP total allocations from cache
The number of times a block or group of blocks was taken from
the cache
Total frees
The number of times a block or group of blocks was added to the
cache
size
The size of the memory blocks, in 4096-byte blocks
cur blks
The current number of 4096-byte blocks that are allocated (a multiple
of size)
tgt blks
The target number of blocks for the cache entry before the cache
is drained
alloc
The number of times a requestor received a block of this size
miss
The number of times a block was requested but none were available
free
The number of times a memory block was placed into the cache
drain
The number of times an aged block was forced out to make room
for another block
draintime
The last time the bin of memory blocks was drained
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