3c578739e9
This is needed before we can start looking up attributes of the block subsystem under sysfs. In some occasions they may simply not exist yet at a given time. Signed-off-by: Michal Berger <michalx.berger@intel.com> Change-Id: I4261d17e92e02acec31b8affaccd0aa11c2b851e Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/7863 Community-CI: Broadcom CI Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
144 lines
3.3 KiB
Bash
Executable File
144 lines
3.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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rootdir=$(readlink -f "$(dirname "$0")/../")
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shopt -s nullglob extglob
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fio_config() {
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local devs=("$@") dev
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cat <<- FIO
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[global]
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thread=1
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invalidate=1
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rw=$testtype
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time_based=1
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runtime=$runtime
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ioengine=libaio
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direct=1
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bs=$blocksize
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iodepth=$iodepth
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norandommap=$((verify == 1 ? 0 : 1))
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numjobs=$numjobs
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verify_dump=1
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FIO
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if ((verify == 1)); then
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cat <<- FIO
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do_verify=$verify
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verify=crc32c-intel
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FIO
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fi
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for dev in "${!devs[@]}"; do
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cat <<- FIO
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[job$dev]
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filename=/dev/${devs[dev]}
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FIO
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done
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}
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run_fio() {
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fio_config "$@" | fio -
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}
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get_iscsi() {
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while read -r; do
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[[ $REPLY =~ "Attached scsi disk "(sd[a-z]+) ]] && echo "${BASH_REMATCH[1]}"
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done < <(iscsiadm -m session -P 3)
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}
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get_nvme() {
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local blocks nvme nvme_sub
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for nvme in /sys/class/nvme/nvme+([0-9]); do
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# Make sure we touch only the block devices which belong to bdev subsystem and
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# use supported protocols.
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[[ $(< "$nvme/transport") == tcp || $(< "$nvme/transport") == rdma ]] || continue
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for nvme_sub in /sys/class/nvme-subsystem/nvme-subsys+([0-9]); do
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[[ -e $nvme_sub/${nvme##*/} ]] || continue
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[[ $(< "$nvme_sub/model") == "SPDK bdev Controller"* ]] || continue
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blocks+=("$nvme_sub/${nvme##*/}"n*)
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done
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done
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blocks=("${blocks[@]##*/}")
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if [[ -e $rootdir/scripts/sync_dev_uevents.sh ]]; then
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"$rootdir/scripts/sync_dev_uevents.sh" block/disk "${blocks[@]}"
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fi > /dev/null
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printf '%s\n' "${blocks[@]}"
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}
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get_devices() {
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local devs=("$@")
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if ((${#devs[@]} == 0)); then
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case "$protocol" in
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iscsi) devs=($(get_iscsi)) ;;
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nvmf) devs=($(get_nvme)) ;;
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*) ;;
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esac
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fi
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printf '%s\n' "${devs[@]}"
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}
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configure_devices() {
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local devs=("$@") dev qd
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for dev in "${devs[@]}"; do
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qd=128
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# Disable all merge tries"
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echo 2 > "/sys/block/$dev/queue/nomerges"
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# FIXME: nr_requests already has its default value at 128. Also, when no
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# scheduler is associated with the device this value cannot be changed
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# and is automatically adjusted as well.
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# echo 128 > "/sys/block/$dev/queue/nr_requests"
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if [[ -e /sys/block/$dev/device/queue_depth ]]; then
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# FIXME: Is this really needed though? Can't we use the default? This is not
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# very deterministic as depending on the device we may end up with different
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# qd in the range of 1-128.
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while ((qd > 0)) && ! echo "$qd" > "/sys/block/$dev/device/queue_depth"; do
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((--qd))
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done 2> /dev/null
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if ((qd == 0)); then
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printf 'Failed to set queue_depth (%s)\n' "$dev"
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return 1
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fi
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printf 'queue_depth set to %u (%s)\n' "$qd" "$dev"
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else
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printf 'Could not set queue depth (%s)\n' "$dev" >&2
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fi
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echo none > "/sys/block/$dev/queue/scheduler"
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done
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}
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# Defaults
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blocksize=4096
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iodepth=1
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numjobs=1
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protocol="nvmf"
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runtime=1
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testtype="read"
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verify=0
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# Keep short args compatible with fio.py
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while getopts :i:d:n:p:r:t:v arg; do
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case "$arg" in
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i) blocksize=$OPTARG ;;
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d) iodepth=$OPTARG ;;
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n) numjobs=$OPTARG ;;
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p) protocol=$OPTARG ;;
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r) runtime=$OPTARG ;;
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t) testtype=$OPTARG ;;
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v) verify=1 ;;
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*) ;;
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esac
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done
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shift $((OPTIND - 1))
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devices=($(get_devices "$@"))
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if ((${#devices[@]} == 0)); then
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printf '* No devices were found for the test, aborting\n' >&2
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exit 1
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fi
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fio_config "${devices[@]}"
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configure_devices "${devices[@]}" && run_fio "${devices[@]}"
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