Commit 619396cb authored by Konrad Sztyber's avatar Konrad Sztyber Committed by Jim Harris
Browse files

test/nvmf: test multithreaded subsystem_{add,remove}_ns 



This stresses the code responsible for queueing subsystem state changes
a bit more extensively.  It makes it easier to catch problems described
in issue #3079.

Signed-off-by: default avatarKonrad Sztyber <konrad.sztyber@intel.com>
Change-Id: I90db348fddde4860b5958e730e58a93b3005bd36
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/22944


Reviewed-by: default avatarJim Harris <jim.harris@samsung.com>
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarAleksey Marchuk <alexeymar@nvidia.com>
parent b625b3d6

test/nvmf/target/ns_hotplug_stress.sh

+22 −0
Original line number Diff line number Diff line
@@ -10,6 +10,15 @@ source $rootdir/test/nvmf/common.sh 


rpc_py="$rootdir/scripts/rpc.py"



add_remove() {

	local nsid=$1 bdev=$2



	for ((i = 0; i < 10; ++i)); do

		"$rpc_py" nvmf_subsystem_add_ns -n "$nsid" "nqn.2016-06.io.spdk:cnode1" "$bdev"

		"$rpc_py" nvmf_subsystem_remove_ns "nqn.2016-06.io.spdk:cnode1" "$nsid"

	done

}



nvmftestinit

nvmfappstart -m 0xE
@@ -42,6 +51,19 @@ while kill -0 $PERF_PID; do 
done



wait $PERF_PID

"$rpc_py" nvmf_subsystem_remove_ns nqn.2016-06.io.spdk:cnode1 1

"$rpc_py" nvmf_subsystem_remove_ns nqn.2016-06.io.spdk:cnode1 2



# Run several subsystem_{add,remove}_ns RPCs in parallel to ensure they'll get queued

nthreads=8 pids=()

for ((i = 0; i < nthreads; ++i)); do

	"$rpc_py" bdev_null_create "null$i" 100 4096

done

for ((i = 0; i < nthreads; ++i)); do

	add_remove $((i + 1)) "null$i" &

	pids+=($!)

done

wait "${pids[@]}"



trap - SIGINT SIGTERM EXIT