223 lines
6.9 KiB
Bash
Executable File
223 lines
6.9 KiB
Bash
Executable File
#!/bin/bash
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# profile-zpios.sh
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trap "RUN_DONE=1" SIGHUP
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RUN_PHASE=${1}
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RUN_LOG_DIR=${2}
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RUN_ID=${3}
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RUN_DONE=0
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POLL_INTERVAL=2.99
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# Log these pids, the exact pid numbers will vary from system to system
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# so I harvest pid for all the following type of processes from /proc/<pid>/
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#
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# zio_taskq/#
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# spa_zio_issue/#
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# spa_zio_intr/#
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# txg_quiesce_thr
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# txg_sync_thread
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# txg_timelimit_t
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# arc_reclaim_thr
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# l2arc_feed_thre
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# zpios_io/#
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ZIO_TASKQ_PIDS=()
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ZIO_REQ_NUL_PIDS=()
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ZIO_IRQ_NUL_PIDS=()
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ZIO_REQ_RD_PIDS=()
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ZIO_IRQ_RD_PIDS=()
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ZIO_REQ_WR_PIDS=()
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ZIO_IRQ_WR_PIDS=()
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ZIO_REQ_FR_PIDS=()
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ZIO_IRQ_FR_PIDS=()
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ZIO_REQ_CM_PIDS=()
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ZIO_IRQ_CM_PIDS=()
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ZIO_REQ_CTL_PIDS=()
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ZIO_IRQ_CTL_PIDS=()
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TXG_QUIESCE_PIDS=()
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TXG_SYNC_PIDS=()
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TXG_TIMELIMIT_PIDS=()
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ARC_RECLAIM_PIDS=()
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L2ARC_FEED_PIDS=()
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ZPIOS_IO_PIDS=()
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show_pids() {
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echo "* zio_taskq: { ${ZIO_TASKQ_PIDS[@]} } = ${#ZIO_TASKQ_PIDS[@]}"
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echo "* zio_req_nul: { ${ZIO_REQ_NUL_PIDS[@]} } = ${#ZIO_REQ_NUL_PIDS[@]}"
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echo "* zio_irq_nul: { ${ZIO_IRQ_NUL_PIDS[@]} } = ${#ZIO_IRQ_NUL_PIDS[@]}"
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echo "* zio_req_rd: { ${ZIO_REQ_RD_PIDS[@]} } = ${#ZIO_REQ_RD_PIDS[@]}"
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echo "* zio_irq_rd: { ${ZIO_IRQ_RD_PIDS[@]} } = ${#ZIO_IRQ_RD_PIDS[@]}"
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echo "* zio_req_wr: { ${ZIO_REQ_WR_PIDS[@]} } = ${#ZIO_REQ_WR_PIDS[@]}"
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echo "* zio_irq_wr: { ${ZIO_IRQ_WR_PIDS[@]} } = ${#ZIO_IRQ_WR_PIDS[@]}"
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echo "* zio_req_fr: { ${ZIO_REQ_FR_PIDS[@]} } = ${#ZIO_REQ_FR_PIDS[@]}"
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echo "* zio_irq_fr: { ${ZIO_IRQ_FR_PIDS[@]} } = ${#ZIO_IRQ_FR_PIDS[@]}"
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echo "* zio_req_cm: { ${ZIO_REQ_CM_PIDS[@]} } = ${#ZIO_REQ_CM_PIDS[@]}"
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echo "* zio_irq_cm: { ${ZIO_IRQ_CM_PIDS[@]} } = ${#ZIO_IRQ_CM_PIDS[@]}"
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echo "* zio_req_ctl: { ${ZIO_REQ_CTL_PIDS[@]} } = ${#ZIO_REQ_CTL_PIDS[@]}"
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echo "* zio_irq_ctl: { ${ZIO_IRQ_CTL_PIDS[@]} } = ${#ZIO_IRQ_CTL_PIDS[@]}"
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echo "* txg_quiesce: { ${TXG_QUIESCE_PIDS[@]} } = ${#TXG_QUIESCE_PIDS[@]}"
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echo "* txg_sync: { ${TXG_SYNC_PIDS[@]} } = ${#TXG_SYNC_PIDS[@]}"
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echo "* txg_timelimit: { ${TXG_TIMELIMIT_PIDS[@]} } = ${#TXG_TIMELIMIT_PIDS[@]}"
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echo "* arc_reclaim: { ${ARC_RECLAIM_PIDS[@]} } = ${#ARC_RECLAIM_PIDS[@]}"
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echo "* l2arc_feed: { ${L2ARC_FEED_PIDS[@]} } = ${#L2ARC_FEED_PIDS[@]}"
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echo "* zpios_io: { ${ZPIOS_IO_PIDS[@]} } = ${#ZPIOS_IO_PIDS[@]}"
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}
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check_pid() {
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local PID=$1
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local NAME=$2
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local TYPE=$3
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local PIDS=( "$4" )
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local NAME_STRING=`echo ${NAME} | cut -f1 -d'/'`
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local NAME_NUMBER=`echo ${NAME} | cut -f2 -d'/'`
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if [ "${NAME_STRING}" == "${TYPE}" ]; then
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if [ -n "${NAME_NUMBER}" ]; then
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PIDS[${NAME_NUMBER}]=${PID}
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else
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PIDS[${#PIDS[@]}]=${PID}
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fi
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fi
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echo "${PIDS[@]}"
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}
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# NOTE: This whole process is crazy slow but it will do for now
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aquire_pids() {
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echo "--- Aquiring ZFS pids ---"
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for PID in `ls /proc/ | grep [0-9] | sort -n -u`; do
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if [ ! -e /proc/${PID}/status ]; then
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continue
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fi
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NAME=`cat /proc/${PID}/status | head -n1 | cut -f2`
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ZIO_TASKQ_PIDS=( `check_pid ${PID} ${NAME} "zio_taskq" \
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"$(echo "${ZIO_TASKQ_PIDS[@]}")"` )
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ZIO_REQ_NUL_PIDS=( `check_pid ${PID} ${NAME} "zio_req_nul" \
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"$(echo "${ZIO_REQ_NUL_PIDS[@]}")"` )
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ZIO_IRQ_NUL_PIDS=( `check_pid ${PID} ${NAME} "zio_irq_nul" \
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"$(echo "${ZIO_IRQ_NUL_PIDS[@]}")"` )
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ZIO_REQ_RD_PIDS=( `check_pid ${PID} ${NAME} "zio_req_rd" \
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"$(echo "${ZIO_REQ_RD_PIDS[@]}")"` )
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ZIO_IRQ_RD_PIDS=( `check_pid ${PID} ${NAME} "zio_irq_rd" \
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"$(echo "${ZIO_IRQ_RD_PIDS[@]}")"` )
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ZIO_REQ_WR_PIDS=( `check_pid ${PID} ${NAME} "zio_req_wr" \
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"$(echo "${ZIO_REQ_WR_PIDS[@]}")"` )
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ZIO_IRQ_WR_PIDS=( `check_pid ${PID} ${NAME} "zio_irq_wr" \
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"$(echo "${ZIO_IRQ_WR_PIDS[@]}")"` )
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ZIO_REQ_FR_PIDS=( `check_pid ${PID} ${NAME} "zio_req_fr" \
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"$(echo "${ZIO_REQ_FR_PIDS[@]}")"` )
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ZIO_IRQ_FR_PIDS=( `check_pid ${PID} ${NAME} "zio_irq_fr" \
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"$(echo "${ZIO_IRQ_FR_PIDS[@]}")"` )
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ZIO_REQ_CM_PIDS=( `check_pid ${PID} ${NAME} "zio_req_cm" \
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"$(echo "${ZIO_REQ_CM_PIDS[@]}")"` )
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ZIO_IRQ_CM_PIDS=( `check_pid ${PID} ${NAME} "zio_irq_cm" \
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"$(echo "${ZIO_IRQ_CM_PIDS[@]}")"` )
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ZIO_REQ_CTL_PIDS=( `check_pid ${PID} ${NAME} "zio_req_ctl" \
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"$(echo "${ZIO_REQ_CTL_PIDS[@]}")"` )
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ZIO_IRQ_CTL_PIDS=( `check_pid ${PID} ${NAME} "zio_irq_ctl" \
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"$(echo "${ZIO_IRQ_CTL_PIDS[@]}")"` )
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TXG_QUIESCE_PIDS=( `check_pid ${PID} ${NAME} "txg_quiesce" \
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"$(echo "${TXG_QUIESCE_PIDS[@]}")"` )
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TXG_SYNC_PIDS=( `check_pid ${PID} ${NAME} "txg_sync" \
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"$(echo "${TXG_SYNC_PIDS[@]}")"` )
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TXG_TIMELIMIT_PIDS=( `check_pid ${PID} ${NAME} "txg_timelimit" \
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"$(echo "${TXG_TIMELIMIT_PIDS[@]}")"` )
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ARC_RECLAIM_PIDS=( `check_pid ${PID} ${NAME} "arc_reclaim" \
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"$(echo "${ARC_RECLAIM_PIDS[@]}")"` )
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L2ARC_FEED_PIDS=( `check_pid ${PID} ${NAME} "l2arc_feed" \
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"$(echo "${L2ARC_FEED_PIDS[@]}")"` )
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done
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# Wait for zpios_io threads to start
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kill -s SIGHUP ${PPID}
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echo "* Waiting for zpios_io threads to start"
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while [ ${RUN_DONE} -eq 0 ]; do
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ZPIOS_IO_PIDS=( `ps ax | grep zpios_io | grep -v grep | \
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sed 's/^ *//g' | cut -f1 -d' '` )
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if [ ${#ZPIOS_IO_PIDS[@]} -gt 0 ]; then
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break;
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fi
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sleep 0.1
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done
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echo "`show_pids`" >${RUN_LOG_DIR}/${RUN_ID}/pids.txt
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}
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log_pids() {
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echo "--- Logging ZFS profile to ${RUN_LOG_DIR}/${RUN_ID}/ ---"
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ALL_PIDS=( ${ZIO_TASKQ_PIDS[@]} \
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${ZIO_REQ_NUL_PIDS[@]} \
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${ZIO_IRQ_NUL_PIDS[@]} \
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${ZIO_REQ_RD_PID[@]} \
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${ZIO_IRQ_RD_PIDS[@]} \
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${ZIO_REQ_WR_PIDS[@]} \
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${ZIO_IRQ_WR_PIDS[@]} \
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${ZIO_REQ_FR_PIDS[@]} \
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${ZIO_IRQ_FR_PIDS[@]} \
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${ZIO_REQ_CM_PIDS[@]} \
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${ZIO_IRQ_CM_PIDS[@]} \
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${ZIO_REQ_CTL_PIDS[@]} \
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${ZIO_IRQ_CTL_PIDS[@]} \
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${TXG_QUIESCE_PIDS[@]} \
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${TXG_SYNC_PIDS[@]} \
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${TXG_TIMELIMIT_PIDS[@]} \
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${ARC_RECLAIM_PIDS[@]} \
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${L2ARC_FEED_PIDS[@]} \
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${ZPIOS_IO_PIDS[@]} )
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while [ ${RUN_DONE} -eq 0 ]; do
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NOW=`date +%s.%N`
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LOG_PIDS="${RUN_LOG_DIR}/${RUN_ID}/pids-${NOW}"
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LOG_DISK="${RUN_LOG_DIR}/${RUN_ID}/disk-${NOW}"
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for PID in "${ALL_PIDS[@]}"; do
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if [ -z ${PID} ]; then
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continue;
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fi
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if [ -e /proc/${PID}/stat ]; then
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cat /proc/${PID}/stat | head -n1 >>${LOG_PIDS}
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else
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echo "<${PID} exited>" >>${LOG_PIDS}
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fi
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done
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cat /proc/diskstats >${LOG_DISK}
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NOW2=`date +%s.%N`
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DELTA=`echo "${POLL_INTERVAL}-(${NOW2}-${NOW})" | bc`
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sleep ${DELTA}
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done
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}
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aquire_pids
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log_pids
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exit 0
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