ceph/qa/workunits/rbd/qos.sh
Jason Dillaman 7838d3e18e qa/workunit/rbd: fixed QoS throughput unit parsing
The 'rbd bench' command was recently modified to print IEC units
instead of bytes/sec. This broke the handling for QoS throughput
tests since it was incorrectly evaluating the available RBD
throughput. Additionally, the QoS tests should use a "<="
comparison operator since the QoS is the upper-bound limit.

Signed-off-by: Jason Dillaman <dillaman@redhat.com>
2019-12-17 09:12:43 -05:00

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#!/bin/sh -ex
POOL=rbd
IMAGE=test$$
IMAGE_SIZE=1G
TOLERANCE_PRCNT=10
rbd_bench() {
local image=$1
local type=$2
local total=$3
local qos_type=$4
local qos_limit=$5
local iops_var_name=$6
local bps_var_name=$7
local timeout=$8
local timeout_cmd=""
if [ -n "${timeout}" ]; then
timeout_cmd="timeout --preserve-status ${timeout}"
fi
# parse `rbd bench` output for string like this:
# elapsed: 25 ops: 2560 ops/sec: 100.08 bytes/sec: 409.13 MiB
iops_bps=$(${timeout_cmd} rbd bench "${image}" \
--io-type ${type} --io-size 4K \
--io-total ${total} --rbd-cache=false \
--rbd_qos_${qos_type}_limit ${qos_limit} |
awk '/elapsed:.* GiB/ {print int($6) ":" int($8) * 1024 * 1024 * 1024}
/elapsed:.* MiB/ {print int($6) ":" int($8) * 1024 * 1024}
/elapsed:.* KiB/ {print int($6) ":" int($8) * 1024}
/elapsed:.* B/ {print int($6) ":" int($8)}')
eval ${iops_var_name}=${iops_bps%:*}
eval ${bps_var_name}=${iops_bps#*:}
}
rbd create "${POOL}/${IMAGE}" -s ${IMAGE_SIZE}
rbd bench "${POOL}/${IMAGE}" --io-type write --io-size 4M --io-total ${IMAGE_SIZE}
rbd_bench "${POOL}/${IMAGE}" write ${IMAGE_SIZE} iops 0 iops bps 60
iops_unlimited=$iops
bps_unlimited=$bps
test "${iops_unlimited}" -ge 20 || exit 0
io_total=$((bps_unlimited * 30))
rbd_bench "${POOL}/${IMAGE}" write ${io_total} iops $((iops_unlimited / 2)) iops bps
test "${iops}" -le $((iops_unlimited / 2 * (100 + TOLERANCE_PRCNT) / 100))
rbd_bench "${POOL}/${IMAGE}" write ${io_total} write_iops $((iops_unlimited / 2)) iops bps
test "${iops}" -le $((iops_unlimited / 2 * (100 + TOLERANCE_PRCNT) / 100))
rbd_bench "${POOL}/${IMAGE}" write ${io_total} bps $((bps_unlimited / 2)) iops bps
test "${bps}" -le $((bps_unlimited / 2 * (100 + TOLERANCE_PRCNT) / 100))
rbd_bench "${POOL}/${IMAGE}" write ${io_total} write_bps $((bps_unlimited / 2)) iops bps
test "${bps}" -le $((bps_unlimited / 2 * (100 + TOLERANCE_PRCNT) / 100))
rbd_bench "${POOL}/${IMAGE}" read ${io_total} iops 0 iops bps
iops_unlimited=$iops
bps_unlimited=$bps
test "${iops_unlimited}" -ge 20 || exit 0
io_total=$((bps_unlimited * 30))
rbd_bench "${POOL}/${IMAGE}" read ${io_total} iops $((iops_unlimited / 2)) iops bps
test "${iops}" -le $((iops_unlimited / 2 * (100 + TOLERANCE_PRCNT) / 100))
rbd_bench "${POOL}/${IMAGE}" read ${io_total} read_iops $((iops_unlimited / 2)) iops bps
test "${iops}" -le $((iops_unlimited / 2 * (100 + TOLERANCE_PRCNT) / 100))
rbd_bench "${POOL}/${IMAGE}" read ${io_total} bps $((bps_unlimited / 2)) iops bps
test "${bps}" -le $((bps_unlimited / 2 * (100 + TOLERANCE_PRCNT) / 100))
rbd_bench "${POOL}/${IMAGE}" read ${io_total} read_bps $((bps_unlimited / 2)) iops bps
test "${bps}" -le $((bps_unlimited / 2 * (100 + TOLERANCE_PRCNT) / 100))
# test a config override is applied
rbd config image set "${POOL}/${IMAGE}" rbd_qos_iops_limit $((iops_unlimited / 4))
rbd_bench "${POOL}/${IMAGE}" read ${io_total} iops $((iops_unlimited / 2)) iops bps
test "${iops}" -le $((iops_unlimited / 4 * (100 + TOLERANCE_PRCNT) / 100))
rbd config image remove "${POOL}/${IMAGE}" rbd_qos_iops_limit
rbd_bench "${POOL}/${IMAGE}" read ${io_total} iops $((iops_unlimited / 2)) iops bps
test "${iops}" -le $((iops_unlimited / 2 * (100 + TOLERANCE_PRCNT) / 100))
rbd rm "${POOL}/${IMAGE}"
echo OK