SKB reusing method and device in multinuclear system
A multi-core system and relationship technology, applied in the field of communication, can solve problems such as mutex performance impact, impact on message forwarding efficiency, and CACHE behavior problems, so as to reduce the impact of mutex, improve message forwarding performance, and optimize Effects of CACHE Behavior
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[0062] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0063] In order to reduce the influence of mutex in the recovery algorithm of the existing SKB reuse mechanism and optimize the CACHE behavior, the present invention designs a new SKB buffer recovery algorithm.
[0064] First, the present invention redesigns the SRQ queue structure: assuming that the system has n processors C 1 ~C n , for each processor C i Create n SKB reuse queues, namely Q i1 ~Q in . The SKB reuse queues of the multi-core system form an n×n matrix, as follows:
[0065]
[0066] Queue Q ij It is a doubly linked list composed of SKB buffer, queue Q ij used to save by C i allocated by C j Reclaimed SKB buffer.
[0067] The SKB buffer recovery algorithm that the present invention adopts is described as follows:
[0068] When the SKB reuse queue is initialized, a SKB buffer is allocated for each SKB reuse ...
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