10e53c2beSJerome MarchandWhat: /proc/diskstats 20e53c2beSJerome MarchandDate: February 2008 30e53c2beSJerome MarchandContact: Jerome Marchand <jmarchan@redhat.com> 40e53c2beSJerome MarchandDescription: 50e53c2beSJerome Marchand The /proc/diskstats file displays the I/O statistics 60e53c2beSJerome Marchand of block devices. Each line contains the following 14 70e53c2beSJerome Marchand fields: 80e53c2beSJerome Marchand 1 - major number 90e53c2beSJerome Marchand 2 - minor mumber 100e53c2beSJerome Marchand 3 - device name 11*af901ca1SAndré Goddard Rosa 4 - reads completed successfully 120e53c2beSJerome Marchand 5 - reads merged 130e53c2beSJerome Marchand 6 - sectors read 140e53c2beSJerome Marchand 7 - time spent reading (ms) 150e53c2beSJerome Marchand 8 - writes completed 160e53c2beSJerome Marchand 9 - writes merged 170e53c2beSJerome Marchand 10 - sectors written 180e53c2beSJerome Marchand 11 - time spent writing (ms) 190e53c2beSJerome Marchand 12 - I/Os currently in progress 200e53c2beSJerome Marchand 13 - time spent doing I/Os (ms) 210e53c2beSJerome Marchand 14 - weighted time spent doing I/Os (ms) 220e53c2beSJerome Marchand For more details refer to Documentation/iostats.txt 23