Commit 1fdfb7e3 authored by Michal Berger's avatar Michal Berger Committed by Tomasz Zawadzki
Browse files

test/dd: Simple tests utilizing uring RPCs 



Signed-off-by: default avatarMichal Berger <michalx.berger@intel.com>
Change-Id: If9c5d0071d30b3a5ac40ea5085dbf564b98cb667
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/9947


Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarKonrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
parent eb77d639

test/dd/common.sh

+27 −0
Original line number Diff line number Diff line
@@ -159,3 +159,30 @@ check_liburing() { 
		fi

	done < <(LD_TRACE_LOADED_OBJECTS=1 "${DD_APP[@]}") >&2

}



init_zram() {

	[[ -e /sys/class/zram-control ]] || modprobe zram num_devices=0

	return

}



create_zram_dev() {

	cat /sys/class/zram-control/hot_add

}



remove_zram_dev() {

	local id=$1



	[[ -e /sys/block/zram$id ]]



	echo 1 > "/sys/block/zram$id/reset"

	echo "$id" > "/sys/class/zram-control/hot_remove"

}



set_zram_dev() {

	local id=$1

	local size=${2:-64M}



	[[ -e /sys/block/zram$id ]]



	echo "$size" > "/sys/block/zram$id/disksize"

}

test/dd/dd.sh

+3 −0
Original line number Diff line number Diff line
@@ -17,3 +17,6 @@ run_test "spdk_dd_basic_rw" "$testdir/basic_rw.sh" "${nvmes[@]}" 
run_test "spdk_dd_posix" "$testdir/posix.sh"

run_test "spdk_dd_malloc" "$testdir/malloc.sh"

run_test "spdk_dd_bdev_to_bdev" "$testdir/bdev_to_bdev.sh" "${nvmes[@]}"

if ((SPDK_TEST_URING == 1)); then

	run_test "spdk_dd_uring" "$testdir/uring.sh"

fi

test/dd/uring.sh

0 → 100755
+98 −0
Original line number Diff line number Diff line 
#!/usr/bin/env bash

testdir=$(readlink -f "$(dirname "$0")")

rootdir=$(readlink -f "$testdir/../../")

source "$testdir/common.sh"



uring_zram_copy() {

	# Use zram for backend device - this is done in order to make the IO as fast

	# as possible.



	local zram_dev_id

	local magic

	local magic_file0=$SPDK_TEST_STORAGE/magic.dump0

	local magic_file1=$SPDK_TEST_STORAGE/magic.dump1

	local verify_magic



	init_zram

	zram_dev_id=$(create_zram_dev)

	set_zram_dev "$zram_dev_id" 512M



	local ubdev=uring0 ufile=/dev/zram$zram_dev_id



	local -A method_bdev_uring_create_0=(

		["filename"]=$ufile

		["name"]=$ubdev

	)



	# Add extra malloc bdev

	local mbdev=malloc0 mbdev_b=1048576 mbdev_bs=512



	local -A method_bdev_malloc_create_0=(

		["name"]=$mbdev

		["num_blocks"]=$mbdev_b

		["block_size"]=$mbdev_bs

	)



	magic=$(gen_bytes $((mbdev_bs * 2)))

	echo "$magic" > "$magic_file0"



	# Inflate the magic file to fill up entire zram of 512MB.

	"${DD_APP[@]}" \

		--if=/dev/zero \

		--of="$magic_file0" \

		--oflag=append \

		--bs=$((mbdev_b * mbdev_bs - ${#magic} - 1)) \

		--count=1



	# Copy magic file to uring bdev

	"${DD_APP[@]}" \

		--if="$magic_file0" \

		--ob="$ubdev" \

		--json <(gen_conf)



	# Copy the whole uring bdev back to a file

	"${DD_APP[@]}" \

		--ib="$ubdev" \

		--of="$magic_file1" \

		--json <(gen_conf)



	# Verify integrity of each copy

	read -rn${#magic} verify_magic < "$magic_file1"

	[[ $verify_magic == "$magic" ]]



	read -rn${#magic} verify_magic < "/dev/zram$zram_dev_id"

	[[ $verify_magic == "$magic" ]]



	diff -q "$magic_file0" "$magic_file1"



	# Copy cotents of uring bdev to malloc bdev

	"${DD_APP[@]}" \

		--ib="$ubdev" \

		--ob="$mbdev" \

		--json <(gen_conf)



	# HACK: small trick to utilize bdev_uring_delete and keep spdk_dd happy -

	# read/write from 0-length files.



	local -A method_bdev_uring_delete_0=(

		["name"]="$ubdev"

	)



	"${DD_APP[@]}" \

		--if=<(:) \

		--of=<(:) \

		--json <(gen_conf)



	# Now try to copy to uring bdev which is explicitly deleted. We expect it

	# to fail.



	NOT "${DD_APP[@]}" \

		--ib="$ubdev" \

		--of=<(:) \

		--json <(gen_conf)



	remove_zram_dev "$zram_dev_id"

	rm -f "$magic_file0" "$magic_file1"

}



run_test "dd_uring_copy" uring_zram_copy