scripts/zpios-profile/zpios-profile-disk.sh

   1 #!/bin/bash
   2 #
   3 # /proc/diskinfo <after skipping major/minor>
   4 # Field 1 -- device name
   5 # Field 2 -- # of reads issued
   6 # Field 3 -- # of reads merged
   7 # Field 4 -- # of sectors read
   8 # Field 5 -- # of milliseconds spent reading
   9 # Field 6 -- # of writes completed
  10 # Field 7 -- # of writes merged
  11 # Field 8 -- # of sectors written
  12 # Field 9 -- # of milliseconds spent writing
  13 # Field 10 -- # of I/Os currently in progress
  14 # Field 11 -- # of milliseconds spent doing I/Os
  15 # Field 12 -- weighted # of milliseconds spent doing I/Os
  16
  17 PROG=zpios-profile-disk.sh
  18
  19 RUN_PIDS=${0}
  20 RUN_LOG_DIR=${1}
  21 RUN_ID=${2}
  22
  23 create_table() {
  24         local FIELD=$1
  25         local ROW_M=()
  26         local ROW_N=()
  27         local HEADER=1
  28         local STEP=1
  29
  30         for DISK_FILE in `ls -r --sort=time --time=ctime ${RUN_LOG_DIR}/${RUN_ID}/disk-[0-9]*`; do
  31                 ROW_M=( ${ROW_N[@]} )
  32                 ROW_N=( `cat ${DISK_FILE} | grep sd | cut -c11- | cut -f${FIELD} -d' ' | tr "\n" "\t"` )
  33
  34                 if [ $HEADER -eq 1 ]; then
  35                         echo -n "step, "
  36                         cat ${DISK_FILE} | grep sd | cut -c11- | cut -f1 -d' ' | tr "\n" ", "
  37                         echo "total"
  38                         HEADER=0
  39                 fi
  40
  41                 if [ ${#ROW_M[@]} -eq 0 ]; then
  42                         continue
  43                 fi
  44
  45                 if [ ${#ROW_M[@]} -ne ${#ROW_N[@]} ]; then
  46                         echo "Badly formatted profile data in ${DISK_FILE}"
  47                         break
  48                 fi
  49
  50                 TOTAL=0
  51                 echo -n "${STEP}, "
  52                 for (( i=0; i<${#ROW_N[@]}; i++ )); do
  53                         DELTA=`echo "${ROW_N[${i}]}-${ROW_M[${i}]}" | bc`
  54                         let TOTAL=${TOTAL}+${DELTA}
  55                         echo -n "${DELTA}, "
  56                 done
  57                 echo "${TOTAL}, "
  58
  59                 let STEP=${STEP}+1
  60         done
  61 }
  62
  63 create_table_mbs() {
  64         local FIELD=$1
  65         local TIME=$2
  66         local ROW_M=()
  67         local ROW_N=()
  68         local HEADER=1
  69         local STEP=1
  70
  71         for DISK_FILE in `ls -r --sort=time --time=ctime ${RUN_LOG_DIR}/${RUN_ID}/disk-[0-9]*`; do
  72                 ROW_M=( ${ROW_N[@]} )
  73                 ROW_N=( `cat ${DISK_FILE} | grep sd | cut -c11- | cut -f${FIELD} -d' ' | tr "\n" "\t"` )
  74
  75                 if [ $HEADER -eq 1 ]; then
  76                         echo -n "step, "
  77                         cat ${DISK_FILE} | grep sd | cut -c11- | cut -f1 -d' ' | tr "\n" ", "
  78                         echo "total"
  79                         HEADER=0
  80                 fi
  81
  82                 if [ ${#ROW_M[@]} -eq 0 ]; then
  83                         continue
  84                 fi
  85
  86                 if [ ${#ROW_M[@]} -ne ${#ROW_N[@]} ]; then
  87                         echo "Badly formatted profile data in ${DISK_FILE}"
  88                         break
  89                 fi
  90
  91                 TOTAL=0
  92                 echo -n "${STEP}, "
  93                 for (( i=0; i<${#ROW_N[@]}; i++ )); do
  94                         DELTA=`echo "${ROW_N[${i}]}-${ROW_M[${i}]}" | bc`
  95                         MBS=`echo "scale=2; ((${DELTA}*512)/${TIME})/(1024*1024)" | bc`
  96                         TOTAL=`echo "scale=2; ${TOTAL}+${MBS}" | bc`
  97                         echo -n "${MBS}, "
  98                 done
  99                 echo "${TOTAL}, "
 100
 101                 let STEP=${STEP}+1
 102         done
 103 }
 104
 105 echo
 106 echo "Reads issued per device"
 107 create_table 2
 108 echo
 109 echo "Reads merged per device"
 110 create_table 3
 111 echo
 112 echo "Sectors read per device"
 113 create_table 4
 114 echo "MB/s per device"
 115 create_table_mbs 4 3
 116
 117 echo
 118 echo "Writes issued per device"
 119 create_table 6
 120 echo
 121 echo "Writes merged per device"
 122 create_table 7
 123 echo
 124 echo "Sectors written per device"
 125 create_table 8
 126 echo "MB/s per device"
 127 create_table_mbs 8 3
 128
 129 exit 0