GangCao 316cb3b150 QoS/Bdev: add the Read/Write separate bandwidth rate limits
This patch adds the support of read and write separate
bandwidth rate limits control with the configuration file.

Below is the example (in MiB) for the configuration section:

[QoS]
  Limit_Read_BPS Malloc0 100
  Limit_Write_BPS Nvme0n1 200

Change-Id: I0221516ce70c3fbb07b9e80c1c814ed5ba271c88
Signed-off-by: GangCao <gang.cao@intel.com>
Reviewed-on: https://review.gerrithub.io/c/416672
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
2019-01-22 23:21:43 +00:00
..