This patch adds RPC calls for histograms in bdev layer.
Following calls are added:
- enable_bdev_histogram - enable/disable histogram structures for specified bdev and each of its channels.
- get_bdev_histogram - merges histograms from all channnels and encodes histogram as base64
Signed-off-by: Piotr Pelplinski <piotr.pelplinski@intel.com>
Change-Id: Ib423a919dc1cde7dd7d92247db5482cfb9d66956
Reviewed-on: https://review.gerrithub.io/c/433573
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Maciej Szwed <maciej.szwed@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: wuzhouhui <wuzhouhui@kingsoft.com>
Reviewed-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>