Add linux zpios support

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

diff --git a/scripts/zpios-profile/zpios-profile-pids.sh b/scripts/zpios-profile/zpios-profile-pids.sh
new file mode 100755 (executable)
index 0000000..3514b38
--- /dev/null
+++ b/scripts/zpios-profile/zpios-profile-pids.sh
@@ -0,0 +1,131 @@
+#!/bin/bash
+
+PROG=zpios-profile-pids.sh
+
+RUN_PIDS=${0}
+RUN_LOG_DIR=${1}
+RUN_ID=${2}
+
+ROW_M=()
+ROW_N=()
+ROW_N_SCHED=()
+ROW_N_WAIT=()
+
+HEADER=1
+STEP=1
+
+for PID_FILE in `ls -r --sort=time --time=ctime ${RUN_LOG_DIR}/${RUN_ID}/pids-[0-9]*`; do
+       ROW_M=( ${ROW_N[@]} )
+       ROW_N=( 0 0 0 0  0 0 0 0  0 0 0 0  0 0 0 0  0 0 0 )
+       ROW_N_SCHED=( `cat ${PID_FILE} | cut -f15 -d' ' | tr "\n" "\t"` )
+       ROW_N_WAIT=(  `cat ${PID_FILE} | cut -f17 -d' ' | tr "\n" "\t"` )
+       ROW_N_NAMES=( `cat ${PID_FILE} | cut -f2  -d' ' | cut -f2 -d'(' | 
+                       cut -f1 -d')'   | cut -f1  -d'/' | tr "\n" "\t"` )
+
+       for (( i=0; i<${#ROW_N_SCHED[@]}; i++ )); do
+               SUM=`echo "${ROW_N_WAIT[${i}]}+${ROW_N_SCHED[${i}]}" | bc`
+
+               case ${ROW_N_NAMES[${i}]} in
+                       zio_taskq)      IDX=0;;
+                       zio_req_nul)    IDX=1;;
+                       zio_irq_nul)    IDX=2;;
+                       zio_req_rd)     IDX=3;;
+                       zio_irq_rd)     IDX=4;;
+                       zio_req_wr)     IDX=5;;
+                       zio_irq_wr)     IDX=6;;
+                       zio_req_fr)     IDX=7;;
+                       zio_irq_fr)     IDX=8;;
+                       zio_req_cm)     IDX=9;;
+                       zio_irq_cm)     IDX=10;;
+                       zio_req_ctl)    IDX=11;;
+                       zio_irq_ctl)    IDX=12;;
+                       txg_quiesce)    IDX=13;;
+                       txg_sync)       IDX=14;;
+                       txg_timelimit)  IDX=15;;
+                       arc_reclaim)    IDX=16;;
+                       l2arc_feed)     IDX=17;;
+                       zpios_io)       IDX=18;;
+                       *)              continue;;
+               esac
+
+               let ROW_N[${IDX}]=${ROW_N[${IDX}]}+${SUM}
+       done
+
+       if [ $HEADER -eq 1 ]; then
+               echo "step, zio_taskq, zio_req_nul, zio_irq_nul, "        \
+                     "zio_req_rd, zio_irq_rd, zio_req_wr, zio_irq_wr, "   \
+                     "zio_req_fr, zio_irq_fr, zio_req_cm, zio_irq_cm, "   \
+                     "zio_req_ctl, zio_irq_ctl, txg_quiesce, txg_sync, "  \
+                     "txg_timelimit, arc_reclaim, l2arc_feed, zpios_io, " \
+                    "idle"
+               HEADER=0
+       fi
+
+       if [ ${#ROW_M[@]} -eq 0 ]; then
+               continue
+       fi
+
+       if [ ${#ROW_M[@]} -ne ${#ROW_N[@]} ]; then
+               echo "Badly formatted profile data in ${PID_FILE}"
+               break
+       fi
+
+       # Original values are in jiffies and we expect HZ to be 1000
+       # on most 2.6 systems thus we divide by 10 to get a percentage.
+       IDLE=1000
+        echo -n "${STEP}, "
+       for (( i=0; i<${#ROW_N[@]}; i++ )); do
+               DELTA=`echo "${ROW_N[${i}]}-${ROW_M[${i}]}" | bc`
+               DELTA_PERCENT=`echo "scale=1; ${DELTA}/10" | bc`
+               let IDLE=${IDLE}-${DELTA}
+               echo -n "${DELTA_PERCENT}, "
+       done
+       ILDE_PERCENT=`echo "scale=1; ${IDLE}/10" | bc`
+       echo "${ILDE_PERCENT}"
+
+       let STEP=${STEP}+1
+done
+
+exit
+
+echo
+echo "Percent of total system time per pid"
+for PID_FILE in `ls -r --sort=time --time=ctime ${RUN_LOG_DIR}/${RUN_ID}/pids-[0-9]*`; do
+       ROW_M=( ${ROW_N[@]} )
+       ROW_N_SCHED=( `cat ${PID_FILE} | cut -f15 -d' ' | tr "\n" "\t"` )
+       ROW_N_WAIT=( `cat ${PID_FILE} | cut -f17 -d' ' | tr "\n" "\t"` )
+
+       for (( i=0; i<${#ROW_N_SCHED[@]}; i++ )); do
+               ROW_N[${i}]=`echo "${ROW_N_WAIT[${i}]}+${ROW_N_SCHED[${i}]}" | bc`
+       done
+
+       if [ $HEADER -eq 1 ]; then
+               echo -n "step, "
+               cat ${PID_FILE} | cut -f2 -d' ' | tr "\n" ", "
+               echo
+               HEADER=0
+       fi
+
+       if [ ${#ROW_M[@]} -eq 0 ]; then
+               continue
+       fi
+
+       if [ ${#ROW_M[@]} -ne ${#ROW_N[@]} ]; then
+               echo "Badly formatted profile data in ${PID_FILE}"
+               break
+       fi
+
+       # Original values are in jiffies and we expect HZ to be 1000
+       # on most 2.6 systems thus we divide by 10 to get a percentage.
+        echo -n "${STEP}, "
+       for (( i=0; i<${#ROW_N[@]}; i++ )); do
+               DELTA=`echo "scale=1; (${ROW_N[${i}]}-${ROW_M[${i}]})/10" | bc`
+               echo -n "${DELTA}, "
+       done
+
+       echo
+       let STEP=${STEP}+1
+done
+
+
+exit 0