Add linux zpios support

[zfs.git] / scripts / zpios-profile / zpios-profile-disk.sh

diff --git a/scripts/zpios-profile/zpios-profile-disk.sh b/scripts/zpios-profile/zpios-profile-disk.sh
new file mode 100755 (executable)
index 0000000..b56ee1e
--- /dev/null
+++ b/scripts/zpios-profile/zpios-profile-disk.sh
@@ -0,0 +1,129 @@
+#!/bin/bash
+#
+# /proc/diskinfo <after skipping major/minor>
+# Field 1 -- device name
+# Field 2 -- # of reads issued
+# Field 3 -- # of reads merged
+# Field 4 -- # of sectors read
+# Field 5 -- # of milliseconds spent reading
+# Field 6 -- # of writes completed
+# Field 7 -- # of writes merged
+# Field 8 -- # of sectors written
+# Field 9 -- # of milliseconds spent writing
+# Field 10 -- # of I/Os currently in progress
+# Field 11 -- # of milliseconds spent doing I/Os
+# Field 12 -- weighted # of milliseconds spent doing I/Os
+
+PROG=zpios-profile-disk.sh
+
+RUN_PIDS=${0}
+RUN_LOG_DIR=${1}
+RUN_ID=${2}
+
+create_table() {
+       local FIELD=$1
+       local ROW_M=()
+       local ROW_N=()
+       local HEADER=1
+       local STEP=1
+
+       for DISK_FILE in `ls -r --sort=time --time=ctime ${RUN_LOG_DIR}/${RUN_ID}/disk-[0-9]*`; do
+               ROW_M=( ${ROW_N[@]} )
+               ROW_N=( `cat ${DISK_FILE} | grep sd | cut -c11- | cut -f${FIELD} -d' ' | tr "\n" "\t"` )
+
+               if [ $HEADER -eq 1 ]; then
+                       echo -n "step, "
+                       cat ${DISK_FILE} | grep sd | cut -c11- | cut -f1 -d' ' | tr "\n" ", "
+                       echo "total"
+                       HEADER=0
+               fi
+
+               if [ ${#ROW_M[@]} -eq 0 ]; then
+                       continue
+               fi
+
+               if [ ${#ROW_M[@]} -ne ${#ROW_N[@]} ]; then
+                       echo "Badly formatted profile data in ${DISK_FILE}"
+                       break
+               fi
+
+               TOTAL=0
+               echo -n "${STEP}, "
+               for (( i=0; i<${#ROW_N[@]}; i++ )); do
+                       DELTA=`echo "${ROW_N[${i}]}-${ROW_M[${i}]}" | bc`
+                       let TOTAL=${TOTAL}+${DELTA}
+                       echo -n "${DELTA}, "
+               done
+               echo "${TOTAL}, "
+
+               let STEP=${STEP}+1
+       done
+}
+
+create_table_mbs() {
+       local FIELD=$1
+       local TIME=$2
+       local ROW_M=()
+       local ROW_N=()
+       local HEADER=1
+       local STEP=1
+
+       for DISK_FILE in `ls -r --sort=time --time=ctime ${RUN_LOG_DIR}/${RUN_ID}/disk-[0-9]*`; do
+               ROW_M=( ${ROW_N[@]} )
+               ROW_N=( `cat ${DISK_FILE} | grep sd | cut -c11- | cut -f${FIELD} -d' ' | tr "\n" "\t"` )
+
+               if [ $HEADER -eq 1 ]; then
+                       echo -n "step, "
+                       cat ${DISK_FILE} | grep sd | cut -c11- | cut -f1 -d' ' | tr "\n" ", "
+                       echo "total"
+                       HEADER=0
+               fi
+
+               if [ ${#ROW_M[@]} -eq 0 ]; then
+                       continue
+               fi
+
+               if [ ${#ROW_M[@]} -ne ${#ROW_N[@]} ]; then
+                       echo "Badly formatted profile data in ${DISK_FILE}"
+                       break
+               fi
+
+               TOTAL=0
+               echo -n "${STEP}, "
+               for (( i=0; i<${#ROW_N[@]}; i++ )); do
+                       DELTA=`echo "${ROW_N[${i}]}-${ROW_M[${i}]}" | bc`
+                       MBS=`echo "scale=2; ((${DELTA}*512)/${TIME})/(1024*1024)" | bc`
+                       TOTAL=`echo "scale=2; ${TOTAL}+${MBS}" | bc`
+                       echo -n "${MBS}, "
+               done
+               echo "${TOTAL}, "
+
+               let STEP=${STEP}+1
+       done
+}
+
+echo
+echo "Reads issued per device"
+create_table 2
+echo
+echo "Reads merged per device"
+create_table 3
+echo
+echo "Sectors read per device"
+create_table 4
+echo "MB/s per device"
+create_table_mbs 4 3
+
+echo
+echo "Writes issued per device"
+create_table 6
+echo
+echo "Writes merged per device"
+create_table 7
+echo
+echo "Sectors written per device"
+create_table 8
+echo "MB/s per device"
+create_table_mbs 8 3
+
+exit 0