On 12/27/18 12:33 AM, James Smart wrote:
Many io statics were being sampled and saved using adapter-based
data structures. This was creating a lot of contention and cache
thrashing in the I/O path.
Move the statistics to the hardware queue data structures.
Given the per queue data structures, us
Many io statics were being sampled and saved using adapter-based
data structures. This was creating a lot of contention and cache
thrashing in the I/O path.
Move the statistics to the hardware queue data structures.
Given the per queue data structures, use of atomic types is
lessened.
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