d6db5988c5
Use lightweight workload test cases in VM for the purpose to keep number of dirty pages is in low rate of VM's total memory. Fix issue #2805. Change-Id: I52efd0d0522ccef713ba2c3a451daac0683234dc Signed-off-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/15954 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>
127 lines
3.5 KiB
Bash
127 lines
3.5 KiB
Bash
# SPDX-License-Identifier: BSD-3-Clause
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# Copyright (C) 2018 Intel Corporation
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# All rights reserved.
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#
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function migration_tc1_clean_vhost_config() {
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# Restore trap
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trap 'error_exit "${FUNCNAME}" "${LINENO}"' INT ERR EXIT
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notice "Removing vhost devices & controllers via RPC ..."
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# Delete bdev first to remove all LUNs and SCSI targets
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$rpc bdev_malloc_delete Malloc0
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# Delete controllers
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$rpc vhost_delete_controller $incoming_vm_ctrlr
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$rpc vhost_delete_controller $target_vm_ctrlr
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unset -v incoming_vm target_vm incoming_vm_ctrlr target_vm_ctrlr rpc
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}
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function migration_tc1_configure_vhost() {
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# Those are global intentionally - they will be unset in cleanup handler
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incoming_vm=0
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target_vm=1
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incoming_vm_ctrlr=naa.Malloc0.$incoming_vm
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target_vm_ctrlr=naa.Malloc0.$target_vm
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rpc="$rootdir/scripts/rpc.py -s $(get_vhost_dir 0)/rpc.sock"
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trap 'migration_tc1_error_handler; error_exit "${FUNCNAME}" "${LINENO}"' INT ERR EXIT
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# Construct shared Malloc Bdev
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$rpc bdev_malloc_create -b Malloc0 128 4096
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# And two controllers - one for each VM. Both are using the same Malloc Bdev as LUN 0
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$rpc vhost_create_scsi_controller $incoming_vm_ctrlr
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$rpc vhost_scsi_controller_add_target $incoming_vm_ctrlr 0 Malloc0
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$rpc vhost_create_scsi_controller $target_vm_ctrlr
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$rpc vhost_scsi_controller_add_target $target_vm_ctrlr 0 Malloc0
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}
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function migration_tc1_error_handler() {
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trap - SIGINT ERR EXIT
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warning "Migration TC1 ERROR HANDLER"
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print_backtrace
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set -x
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vm_kill_all
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migration_tc1_clean_vhost_config
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warning "Migration TC1 FAILED"
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}
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function migration_tc1() {
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# Use 2 VMs:
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# incoming VM - the one we want to migrate
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# targe VM - the one which will accept migration
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# VM uses 1 GiB memory, here we use light IO workload to keep number of dirty pages
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# is in low rate of VM's memory, see https://github.com/spdk/spdk/issues/2805.
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local job_file="$testdir/migration-tc1.job"
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local log_file
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log_file="/root/$(basename ${job_file%%.*}).log"
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# Run vhost
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vhost_run -n 0
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migration_tc1_configure_vhost
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notice "Setting up VMs"
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vm_setup --os="$os_image" --force=$incoming_vm --disk-type=spdk_vhost_scsi --disks=Malloc0 --migrate-to=$target_vm
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vm_setup --force=$target_vm --disk-type=spdk_vhost_scsi --disks=Malloc0 --incoming=$incoming_vm
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# Run everything
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vm_run $incoming_vm $target_vm
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# Wait only for incoming VM, as target is waiting for migration
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vm_wait_for_boot 300 $incoming_vm
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# Run fio before migration
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notice "Starting FIO"
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vm_check_scsi_location $incoming_vm
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run_fio $fio_bin --job-file="$job_file" --no-wait-for-fio --local --vm="${incoming_vm}$(printf ':/dev/%s' $SCSI_DISK)"
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# Wait a while to let the FIO time to issue some IO
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sleep 5
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# Check if fio is still running before migration
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if ! is_fio_running $incoming_vm; then
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vm_exec $incoming_vm "cat $log_file"
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error "FIO is not running before migration: process crashed or finished too early"
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fi
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vm_migrate $incoming_vm
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sleep 3
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# Check if fio is still running after migration
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if ! is_fio_running $target_vm; then
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vm_exec $target_vm "cat $log_file"
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error "FIO is not running after migration: process crashed or finished too early"
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fi
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notice "Waiting for fio to finish"
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local timeout=20
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while is_fio_running $target_vm; do
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sleep 1
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echo -n "."
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if ((timeout-- == 0)); then
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error "timeout while waiting for FIO!"
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fi
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done
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notice "Fio result is:"
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vm_exec $target_vm "cat $log_file"
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notice "Migration DONE"
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notice "Shutting down all VMs"
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vm_shutdown_all
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migration_tc1_clean_vhost_config
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notice "killing vhost app"
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vhost_kill 0
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notice "Migration TC1 SUCCESS"
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}
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