Spdk/test/nvmf/target/ns_hotplug_stress.sh

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#!/usr/bin/env bash
# SPDX-License-Identifier: BSD-3-Clause
# Copyright (C) 2020 Intel Corporation
# All rights reserved.
#
testdir=$(readlink -f $(dirname $0))
rootdir=$(readlink -f $testdir/../../..)
source $rootdir/test/common/autotest_common.sh
source $rootdir/test/nvmf/common.sh
rpc_py="$rootdir/scripts/rpc.py"
nvmftestinit
nvmfappstart -m 0xE
null_size=1000
$rpc_py nvmf_create_transport $NVMF_TRANSPORT_OPTS -u 8192
$rpc_py nvmf_create_subsystem nqn.2016-06.io.spdk:cnode1 -a -s SPDK00000000000001 -m 10
$rpc_py nvmf_subsystem_add_listener nqn.2016-06.io.spdk:cnode1 -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP -s $NVMF_PORT
$rpc_py nvmf_subsystem_add_listener discovery -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP -s $NVMF_PORT
$rpc_py bdev_malloc_create 32 512 -b Malloc0
$rpc_py bdev_delay_create -b Malloc0 -d Delay0 -r 1000000 -t 1000000 -w 1000000 -n 1000000
$rpc_py nvmf_subsystem_add_ns nqn.2016-06.io.spdk:cnode1 Delay0
$rpc_py bdev_null_create NULL1 $null_size 512
$rpc_py nvmf_subsystem_add_ns nqn.2016-06.io.spdk:cnode1 NULL1
# Note: use -Q option to rate limit the error messages that perf will spew due to the
# namespace hotplugs
$SPDK_EXAMPLE_DIR/perf -c 0x1 -r "trtype:$TEST_TRANSPORT adrfam:IPv4 traddr:$NVMF_FIRST_TARGET_IP trsvcid:$NVMF_PORT" \
-t 30 -q 128 -w randread -o 512 -Q 1000 &
PERF_PID=$!
while kill -0 $PERF_PID; do
$rpc_py nvmf_subsystem_remove_ns nqn.2016-06.io.spdk:cnode1 1
$rpc_py nvmf_subsystem_add_ns nqn.2016-06.io.spdk:cnode1 Delay0
# Also test bdev/namespace resizing here, since it has a similar
# effect on subsystem/namespace handling in the nvmf target
null_size=$((null_size + 1))
$rpc_py bdev_null_resize NULL1 $null_size
done
wait $PERF_PID
trap - SIGINT SIGTERM EXIT
nvmftestfini