A time label based I/O scheduling QoS method
A technology of time stamping and labeling, which is applied in digital transmission systems, electrical components, transmission systems, etc., can solve the problems of long refresh token time intervals and inability to truly play QoS characteristics, and achieve the effect of ensuring reliability
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[0025] The present invention is described in further detail now in conjunction with accompanying drawing.
[0026] A time tag-based I / O scheduling QoS method provided by the present invention includes such as figure 1 A two-level mapping queue is shown, in which the first level is the client queue of the client, and the second level is the real request queue. Each request contains three time tags i ,W i , L i >, where R indicates the reserved time label, W indicates the weight time label, L indicates the upper limit time label, and i indicates the client number to which it belongs. The time stamp calculation formula for each request is as follows:
[0027] R i r =max{R i r-1 +ρ i / r i , current time}
[0028] W i r =max{W i r-1 +σ i / w i , current time}
[0029] L i r =max{L i r-1 +σ i / l i , current time}
[0030] Among them, ρ and σ respectively represent the incremental value of the number of completed requests received since the last request sent by ...
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