pcp-dmcache (1) Linux Manual Page
pcp-dmcache, pcp-lvmcache – report on logical storage device caches Synopsispcp [pcp options] dmcache [-i/–iops] [-R/–repeat N] [device …] Descriptionpcp-dmcache reports on the activity of any configured Device Mapper Cache targets. The reported information includes device IOPs, cache and metadata device utilization, as well as hit and miss rates and ratios for both reads and writes…
