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-rwxr-xr-xqa/workunits/rbd/qos.sh90
1 files changed, 90 insertions, 0 deletions
diff --git a/qa/workunits/rbd/qos.sh b/qa/workunits/rbd/qos.sh
new file mode 100755
index 000000000..feb1d5144
--- /dev/null
+++ b/qa/workunits/rbd/qos.sh
@@ -0,0 +1,90 @@
+#!/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