numam-spdk/test/ftl/dirty_shutdown.sh
Michal Berger 093d01421d test/ftl: Remove dead code
In particular, non-volatile cache setup and EXTENDED fio tests:
these haven't been supported nor tested by the CI, thus there's
no value in keeping these routines anymore.

fio tests are limited to what was previously called as a "basic"
suite and hooked to standard SPDK_TEST_FTL flow.

Code which is not used by the remaining tests is removed as well.

Signed-off-by: Michal Berger <michalx.berger@intel.com>
Change-Id: I865da1ea4d8743322d4c303908c598efe6ecd40b
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/8294
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Karol Latecki <karol.latecki@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
2021-07-30 08:21:32 +00:00

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#!/usr/bin/env bash
testdir=$(readlink -f $(dirname $0))
rootdir=$(readlink -f $testdir/../..)
source $rootdir/test/common/autotest_common.sh
source $testdir/common.sh
rpc_py=$rootdir/scripts/rpc.py
device=$1
restore_kill() {
rm -f "$config"
rm -f "$SPDK_TEST_STORAGE/testfile.md5"
rm -f "$SPDK_TEST_STORAGE/testfile2.md5"
killprocess $svcpid || true
rmmod nbd || true
}
trap "restore_kill; exit 1" SIGINT SIGTERM EXIT
chunk_size=$(get_chunk_size $device)
num_group=$(get_num_group $device)
num_pu=$(get_num_pu $device)
pu_count=$((num_group * num_pu))
config=$SPDK_TEST_STORAGE/ftl.json
# Write one band worth of data + one extra chunk
data_size=$((chunk_size * (pu_count + 1)))
"$SPDK_BIN_DIR/spdk_tgt" --json <(gen_ftl_nvme_conf) &
svcpid=$!
waitforlisten $svcpid
$rpc_py bdev_nvme_attach_controller -b nvme0 -a $device -t pcie
$rpc_py bdev_ocssd_create -c nvme0 -b nvme0n1 -n 1
ftl_construct_args="bdev_ftl_create -b ftl0 -d nvme0n1 -o"
$rpc_py $ftl_construct_args
# Load the nbd driver
modprobe nbd
$rpc_py nbd_start_disk ftl0 /dev/nbd0
waitfornbd nbd0
$rpc_py save_config > "$config"
dd if=/dev/urandom of=/dev/nbd0 bs=4K count=$data_size oflag=dsync
# Calculate checksum of the data written
dd if=/dev/nbd0 bs=4K count=$data_size | md5sum > "$SPDK_TEST_STORAGE/testfile.md5"
$rpc_py nbd_stop_disk /dev/nbd0
# Force kill bdev service (dirty shutdown) and start it again
kill -9 $svcpid
rm -f /dev/shm/spdk_tgt_trace.pid$svcpid
"$SPDK_BIN_DIR/spdk_tgt" --json <(gen_ftl_nvme_conf) -L ftl_init &
svcpid=$!
waitforlisten $svcpid
$rpc_py load_config < "$config"
waitfornbd nbd0
# Write extra data after restore
dd if=/dev/urandom of=/dev/nbd0 bs=4K count=$chunk_size seek=$data_size oflag=dsync
# Save md5 data
dd if=/dev/nbd0 bs=4K count=$chunk_size skip=$data_size | md5sum > "$SPDK_TEST_STORAGE/testfile2.md5"
# Make sure all data will be read from disk
echo 3 > /proc/sys/vm/drop_caches
# Verify that the checksum matches and the data is consistent
dd if=/dev/nbd0 bs=4K count=$data_size | md5sum -c "$SPDK_TEST_STORAGE/testfile.md5"
dd if=/dev/nbd0 bs=4K count=$chunk_size skip=$data_size | md5sum -c "$SPDK_TEST_STORAGE/testfile2.md5"
trap - SIGINT SIGTERM EXIT
restore_kill