If enabled, VP_MEMORY_CACHE_KB != 0, the onstat -g vpcache command displays information about CPU VP memory block cache statistics.
CPU VP memory block cache statistics - 4096 byte blocks Number of 4096 byte memory blocks requested for each CPU VP:1024 vpid pid Blocks held Hit percentage Free cache 1 11202 946 95.9 % 88.0 % Current VP total allocations from cache: 5816, Total frees: 6873 size cur blks alloc miss free drain 1 21 2984 203 3460 455 2 18 1095 22 1137 33 3 6 548 11 568 18 4 24 541 7 566 19 5 180 324 0 567 207 6 0 0 0 0 0 7 0 0 0 1 1 8 0 0 0 0 0 9 36 0 2 4 0 10 0 0 0 0 0 11 0 0 0 0 0 12 0 0 0 0 0 13 0 0 0 0 0 14 0 0 0 0 0 15 0 0 0 0 0 16 32 0 1 2 0 17 629 324 0 568 207 18 0 0 0 0 0 19 0 0 0 0 0 20 0 0 0 0 0 21 0 0 0 0 0 22 0 0 0 0 0 23 0 0 0 0 0 24 0 0 0 0 0 25 0 0 0 0 0 26 0 0 0 0 0 27 0 0 0 0 0 28 0 0 0 0 0 29 0 0 0 0 0 30 0 0 0 0 0 31 0 0 0 0 0 32 0 0 0 0 0
Field | Description |
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size | Is the size of the memory blocks in 4096 byte blocks |
cur blks | Is the current number of 4096 blocks, a multiple of size |
alloc | Is the number of times a requestor received a block of this size |
miss | Is the number of times a block was requested but none were available |
free | Is the number of times a memory block was placed into the cache |
drain | Is the number of times an aged block was forced out to make room for another block |
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