1# SPDX-License-Identifier: BSD-3-Clause 2# Copyright (C) 2017 Intel Corporation 3# All rights reserved. 4# 5 6: ${SPDK_VHOST_VERBOSE=false} 7: ${VHOST_DIR="$HOME/vhost_test"} 8: ${QEMU_BIN:="qemu-system-x86_64"} 9: ${QEMU_IMG_BIN="qemu-img"} 10 11TEST_DIR=$(readlink -f $rootdir/..) 12VM_DIR=$VHOST_DIR/vms 13TARGET_DIR=$VHOST_DIR/vhost 14VM_PASSWORD="root" 15 16VM_IMAGE=${VM_IMAGE:-"$DEPENDENCY_DIR/vhost/spdk_test_image.qcow2"} 17FIO_BIN=${FIO_BIN:-} 18 19WORKDIR=$(readlink -f "$(dirname "$0")") 20 21if ! hash $QEMU_IMG_BIN $QEMU_BIN; then 22 echo 'ERROR: QEMU is not installed on this system. Unable to run vhost tests.' >&2 23 return 1 24fi 25 26mkdir -p $VHOST_DIR 27mkdir -p $VM_DIR 28mkdir -p $TARGET_DIR 29 30# 31# Source config describing QEMU and VHOST cores and NUMA 32# 33source $rootdir/test/vhost/common/autotest.config 34source "$rootdir/test/scheduler/common.sh" 35 36function vhosttestinit() { 37 if [ "$TEST_MODE" == "iso" ]; then 38 $rootdir/scripts/setup.sh 39 fi 40 41 if [[ -e $VM_IMAGE.gz && ! -e $VM_IMAGE ]]; then 42 gzip -dc "$VM_IMAGE.gz" > "$VM_IMAGE" 43 fi 44 45 # Look for the VM image 46 if [[ ! -f $VM_IMAGE ]]; then 47 [[ $1 != "--no_vm" ]] || return 0 48 echo "$VM_IMAGE is missing" >&2 49 return 1 50 fi 51} 52 53function vhosttestfini() { 54 if [ "$TEST_MODE" == "iso" ]; then 55 $rootdir/scripts/setup.sh reset 56 fi 57} 58 59function message() { 60 local verbose_out 61 if ! $SPDK_VHOST_VERBOSE; then 62 verbose_out="" 63 elif [[ ${FUNCNAME[2]} == "source" ]]; then 64 verbose_out=" (file $(basename ${BASH_SOURCE[1]}):${BASH_LINENO[1]})" 65 else 66 verbose_out=" (function ${FUNCNAME[2]}:${BASH_LINENO[1]})" 67 fi 68 69 local msg_type="$1" 70 shift 71 echo -e "${msg_type}${verbose_out}: $*" 72} 73 74function fail() { 75 echo "===========" >&2 76 message "FAIL" "$@" >&2 77 echo "===========" >&2 78 exit 1 79} 80 81function error() { 82 echo "===========" >&2 83 message "ERROR" "$@" >&2 84 echo "===========" >&2 85 # Don't 'return 1' since the stack trace will be incomplete (why?) missing upper command. 86 false 87} 88 89function warning() { 90 message "WARN" "$@" >&2 91} 92 93function notice() { 94 message "INFO" "$@" 95} 96 97function check_qemu_packedring_support() { 98 qemu_version=$($QEMU_BIN -version | grep -Po "(?<=version )\d+.\d+.\d+") 99 if [[ "$qemu_version" < "4.2.0" ]]; then 100 error "This qemu binary does not support packed ring" 101 fi 102} 103 104function get_vhost_dir() { 105 local vhost_name="$1" 106 107 if [[ -z "$vhost_name" ]]; then 108 error "vhost name must be provided to get_vhost_dir" 109 return 1 110 fi 111 112 echo "$TARGET_DIR/${vhost_name}" 113} 114 115function vhost_run() { 116 local OPTIND 117 local vhost_name 118 local run_gen_nvme=true 119 local vhost_bin="vhost" 120 local vhost_args=() 121 local cmd=() 122 123 while getopts "n:b:g" optchar; do 124 case "$optchar" in 125 n) vhost_name="$OPTARG" ;; 126 b) vhost_bin="$OPTARG" ;; 127 g) 128 run_gen_nvme=false 129 notice "Skipping gen_nvme.sh NVMe bdev configuration" 130 ;; 131 *) 132 error "Unknown param $optchar" 133 return 1 134 ;; 135 esac 136 done 137 shift $((OPTIND - 1)) 138 139 vhost_args=("$@") 140 141 if [[ -z "$vhost_name" ]]; then 142 error "vhost name must be provided to vhost_run" 143 return 1 144 fi 145 146 local vhost_dir 147 vhost_dir="$(get_vhost_dir $vhost_name)" 148 local vhost_app="$SPDK_BIN_DIR/$vhost_bin" 149 local vhost_log_file="$vhost_dir/vhost.log" 150 local vhost_pid_file="$vhost_dir/vhost.pid" 151 local vhost_socket="$vhost_dir/usvhost" 152 notice "starting vhost app in background" 153 [[ -r "$vhost_pid_file" ]] && vhost_kill $vhost_name 154 [[ -d $vhost_dir ]] && rm -f $vhost_dir/* 155 mkdir -p $vhost_dir 156 157 if [[ ! -x $vhost_app ]]; then 158 error "application not found: $vhost_app" 159 return 1 160 fi 161 162 cmd=("$vhost_app" "-r" "$vhost_dir/rpc.sock" "${vhost_args[@]}") 163 if [[ "$vhost_bin" =~ vhost ]]; then 164 cmd+=(-S "$vhost_dir") 165 fi 166 167 notice "Logging to: $vhost_log_file" 168 notice "Socket: $vhost_socket" 169 notice "Command: ${cmd[*]}" 170 171 timing_enter vhost_start 172 173 iobuf_small_count=${iobuf_small_count:-16383} 174 iobuf_large_count=${iobuf_large_count:-2047} 175 176 "${cmd[@]}" --wait-for-rpc & 177 vhost_pid=$! 178 echo $vhost_pid > $vhost_pid_file 179 180 notice "waiting for app to run..." 181 waitforlisten "$vhost_pid" "$vhost_dir/rpc.sock" 182 183 "$rootdir/scripts/rpc.py" -s "$vhost_dir/rpc.sock" \ 184 iobuf_set_options \ 185 --small-pool-count="$iobuf_small_count" \ 186 --large-pool-count="$iobuf_large_count" 187 188 "$rootdir/scripts/rpc.py" -s "$vhost_dir/rpc.sock" \ 189 framework_start_init 190 191 #do not generate nvmes if pci access is disabled 192 if [[ "${cmd[*]}" != *"--no-pci"* ]] && [[ "${cmd[*]}" != *"-u"* ]] && $run_gen_nvme; then 193 $rootdir/scripts/gen_nvme.sh | $rootdir/scripts/rpc.py -s $vhost_dir/rpc.sock load_subsystem_config 194 fi 195 196 notice "vhost started - pid=$vhost_pid" 197 198 timing_exit vhost_start 199} 200 201function vhost_kill() { 202 local rc=0 203 local vhost_name="$1" 204 205 if [[ -z "$vhost_name" ]]; then 206 error "Must provide vhost name to vhost_kill" 207 return 0 208 fi 209 210 local vhost_dir 211 vhost_dir="$(get_vhost_dir $vhost_name)" 212 local vhost_pid_file="$vhost_dir/vhost.pid" 213 214 if [[ ! -r $vhost_pid_file ]]; then 215 warning "no vhost pid file found" 216 return 0 217 fi 218 219 timing_enter vhost_kill 220 local vhost_pid 221 vhost_pid="$(cat $vhost_pid_file)" 222 notice "killing vhost (PID $vhost_pid) app" 223 224 if kill -INT $vhost_pid > /dev/null; then 225 notice "sent SIGINT to vhost app - waiting 60 seconds to exit" 226 for ((i = 0; i < 60; i++)); do 227 if kill -0 $vhost_pid; then 228 echo "." 229 sleep 1 230 else 231 break 232 fi 233 done 234 if kill -0 $vhost_pid; then 235 error "ERROR: vhost was NOT killed - sending SIGABRT" 236 kill -ABRT $vhost_pid 237 rc=1 238 else 239 while kill -0 $vhost_pid; do 240 echo "." 241 done 242 fi 243 # If this PID is our child, we should attempt to verify its status 244 # to catch any "silent" crashes that may happen upon termination. 245 if is_pid_child "$vhost_pid"; then 246 notice "Checking status of $vhost_pid" 247 wait "$vhost_pid" || rc=1 248 fi 249 250 elif kill -0 $vhost_pid; then 251 error "vhost NOT killed - you need to kill it manually" 252 rc=1 253 else 254 notice "vhost was not running" 255 fi 256 257 timing_exit vhost_kill 258 259 rm -rf "$vhost_dir" 260 261 return $rc 262} 263 264function vhost_rpc() { 265 local vhost_name="$1" 266 267 if [[ -z "$vhost_name" ]]; then 268 error "vhost name must be provided to vhost_rpc" 269 return 1 270 fi 271 shift 272 273 $rootdir/scripts/rpc.py -s $(get_vhost_dir $vhost_name)/rpc.sock "$@" 274} 275 276### 277# Mgmt functions 278### 279 280function assert_number() { 281 [[ "$1" =~ [0-9]+ ]] && return 0 282 283 error "Invalid or missing parameter: need number but got '$1'" 284 return 1 285} 286 287# Run command on vm with given password 288# First argument - vm number 289# Second argument - ssh password for vm 290# 291function vm_sshpass() { 292 vm_num_is_valid $1 || return 1 293 294 local ssh_cmd 295 ssh_cmd="sshpass -p $2 ssh \ 296 -o UserKnownHostsFile=/dev/null \ 297 -o StrictHostKeyChecking=no \ 298 -o User=root \ 299 -p $(vm_ssh_socket $1) $VM_SSH_OPTIONS 127.0.0.1" 300 301 shift 2 302 $ssh_cmd "$@" 303} 304 305# Helper to validate VM number 306# param $1 VM number 307# 308function vm_num_is_valid() { 309 [[ "$1" =~ ^[0-9]+$ ]] && return 0 310 311 error "Invalid or missing parameter: vm number '$1'" 312 return 1 313} 314 315# Print network socket for given VM number 316# param $1 virtual machine number 317# 318function vm_ssh_socket() { 319 vm_num_is_valid $1 || return 1 320 local vm_dir="$VM_DIR/$1" 321 322 cat $vm_dir/ssh_socket 323} 324 325function vm_fio_socket() { 326 vm_num_is_valid $1 || return 1 327 local vm_dir="$VM_DIR/$1" 328 329 cat $vm_dir/fio_socket 330} 331 332# Execute command on given VM 333# param $1 virtual machine number 334# 335function vm_exec() { 336 vm_num_is_valid $1 || return 1 337 338 local vm_num="$1" 339 shift 340 341 sshpass -p "$VM_PASSWORD" ssh \ 342 -o UserKnownHostsFile=/dev/null \ 343 -o StrictHostKeyChecking=no \ 344 -o User=root \ 345 -p $(vm_ssh_socket $vm_num) $VM_SSH_OPTIONS 127.0.0.1 \ 346 "$@" 347} 348 349# Execute scp command on given VM 350# param $1 virtual machine number 351# 352function vm_scp() { 353 vm_num_is_valid $1 || return 1 354 355 local vm_num="$1" 356 shift 357 358 sshpass -p "$VM_PASSWORD" scp \ 359 -o UserKnownHostsFile=/dev/null \ 360 -o StrictHostKeyChecking=no \ 361 -o User=root \ 362 -P $(vm_ssh_socket $vm_num) $VM_SSH_OPTIONS \ 363 "$@" 364} 365 366# check if specified VM is running 367# param $1 VM num 368function vm_is_running() { 369 vm_num_is_valid $1 || return 1 370 local vm_dir="$VM_DIR/$1" 371 372 if [[ ! -r $vm_dir/qemu.pid ]]; then 373 return 1 374 fi 375 376 local vm_pid 377 vm_pid="$(cat $vm_dir/qemu.pid)" 378 379 if /bin/kill -0 $vm_pid; then 380 return 0 381 else 382 if [[ $EUID -ne 0 ]]; then 383 warning "not root - assuming VM running since can't be checked" 384 return 0 385 fi 386 387 # not running - remove pid file 388 rm -f $vm_dir/qemu.pid 389 return 1 390 fi 391} 392 393# check if specified VM is running 394# param $1 VM num 395function vm_os_booted() { 396 vm_num_is_valid $1 || return 1 397 local vm_dir="$VM_DIR/$1" 398 399 if [[ ! -r $vm_dir/qemu.pid ]]; then 400 error "VM $1 is not running" 401 return 1 402 fi 403 404 if ! VM_SSH_OPTIONS="-o ControlMaster=no" vm_exec $1 "true" 2> /dev/null; then 405 # Shutdown existing master. Ignore errors as it might not exist. 406 VM_SSH_OPTIONS="-O exit" vm_exec $1 "true" 2> /dev/null 407 return 1 408 fi 409 410 return 0 411} 412 413# Shutdown given VM 414# param $1 virtual machine number 415# return non-zero in case of error. 416function vm_shutdown() { 417 vm_num_is_valid $1 || return 1 418 local vm_dir="$VM_DIR/$1" 419 if [[ ! -d "$vm_dir" ]]; then 420 error "VM$1 ($vm_dir) not exist - setup it first" 421 return 1 422 fi 423 424 if ! vm_is_running $1; then 425 notice "VM$1 ($vm_dir) is not running" 426 return 0 427 fi 428 429 # Temporarily disabling exit flag for next ssh command, since it will 430 # "fail" due to shutdown 431 notice "Shutting down virtual machine $vm_dir" 432 set +e 433 vm_exec $1 "nohup sh -c 'shutdown -h -P now'" || true 434 notice "VM$1 is shutting down - wait a while to complete" 435 set -e 436} 437 438# Kill given VM 439# param $1 virtual machine number 440# 441function vm_kill() { 442 vm_num_is_valid $1 || return 1 443 local vm_dir="$VM_DIR/$1" 444 445 if [[ ! -r $vm_dir/qemu.pid ]]; then 446 return 0 447 fi 448 449 local vm_pid 450 vm_pid="$(cat $vm_dir/qemu.pid)" 451 452 notice "Killing virtual machine $vm_dir (pid=$vm_pid)" 453 # First kill should fail, second one must fail 454 if /bin/kill $vm_pid; then 455 notice "process $vm_pid killed" 456 rm -rf $vm_dir 457 elif vm_is_running $1; then 458 error "Process $vm_pid NOT killed" 459 return 1 460 fi 461} 462 463# List all VM numbers in VM_DIR 464# 465function vm_list_all() { 466 local vms=() 467 vms=("$VM_DIR"/+([0-9])) 468 if ((${#vms[@]} > 0)); then 469 basename --multiple "${vms[@]}" 470 fi 471} 472 473# Kills all VM in $VM_DIR 474# 475function vm_kill_all() { 476 local vm 477 for vm in $(vm_list_all); do 478 vm_kill $vm 479 done 480 481 rm -rf $VM_DIR 482} 483 484# Shutdown all VM in $VM_DIR 485# 486function vm_shutdown_all() { 487 local timeo=${1:-90} vms vm 488 489 vms=($(vm_list_all)) 490 491 for vm in "${vms[@]}"; do 492 vm_shutdown "$vm" 493 done 494 495 notice "Waiting for VMs to shutdown..." 496 while ((timeo-- > 0 && ${#vms[@]} > 0)); do 497 for vm in "${!vms[@]}"; do 498 vm_is_running "${vms[vm]}" || unset -v "vms[vm]" 499 done 500 sleep 1 501 done 502 503 if ((${#vms[@]} == 0)); then 504 notice "All VMs successfully shut down" 505 return 0 506 fi 507 508 warning "Not all VMs were shut down. Leftovers: ${vms[*]}" 509 510 for vm in "${vms[@]}"; do 511 vm_print_logs "$vm" 512 done 513 514 return 1 515} 516 517function vm_setup() { 518 xtrace_disable 519 local OPTIND optchar vm_num 520 521 local os="" 522 local os_mode="" 523 local qemu_args=() 524 local disk_type_g=NOT_DEFINED 525 local read_only="false" 526 # List created of a strings separated with a ":" 527 local disks=() 528 local raw_cache="" 529 local vm_incoming="" 530 local vm_migrate_to="" 531 local force_vm="" 532 local guest_memory=1024 533 local vhost_dir 534 local packed=false 535 vhost_dir="$(get_vhost_dir 0)" 536 while getopts ':-:' optchar; do 537 case "$optchar" in 538 -) 539 case "$OPTARG" in 540 os=*) os="${OPTARG#*=}" ;; 541 os-mode=*) os_mode="${OPTARG#*=}" ;; 542 qemu-args=*) qemu_args+=("${OPTARG#*=}") ;; 543 disk-type=*) disk_type_g="${OPTARG#*=}" ;; 544 read-only=*) read_only="${OPTARG#*=}" ;; 545 disks=*) IFS=":" read -ra disks <<< "${OPTARG#*=}" ;; 546 raw-cache=*) raw_cache=",cache${OPTARG#*=}" ;; 547 force=*) force_vm=${OPTARG#*=} ;; 548 memory=*) guest_memory=${OPTARG#*=} ;; 549 incoming=*) vm_incoming="${OPTARG#*=}" ;; 550 migrate-to=*) vm_migrate_to="${OPTARG#*=}" ;; 551 vhost-name=*) vhost_dir="$(get_vhost_dir ${OPTARG#*=})" ;; 552 spdk-boot=*) local boot_from="${OPTARG#*=}" ;; 553 packed) packed=true ;; 554 *) 555 error "unknown argument $OPTARG" 556 return 1 557 ;; 558 esac 559 ;; 560 *) 561 error "vm_create Unknown param $OPTARG" 562 return 1 563 ;; 564 esac 565 done 566 567 # Find next directory we can use 568 if [[ -n $force_vm ]]; then 569 vm_num=$force_vm 570 571 vm_num_is_valid $vm_num || return 1 572 local vm_dir="$VM_DIR/$vm_num" 573 [[ -d $vm_dir ]] && warning "removing existing VM in '$vm_dir'" 574 else 575 local vm_dir="" 576 577 set +x 578 for ((i = 0; i <= 256; i++)); do 579 local vm_dir="$VM_DIR/$i" 580 [[ ! -d $vm_dir ]] && break 581 done 582 xtrace_restore 583 584 vm_num=$i 585 fi 586 587 if [[ $vm_num -eq 256 ]]; then 588 error "no free VM found. do some cleanup (256 VMs created, are you insane?)" 589 return 1 590 fi 591 592 if [[ -n "$vm_migrate_to" && -n "$vm_incoming" ]]; then 593 error "'--incoming' and '--migrate-to' cannot be used together" 594 return 1 595 elif [[ -n "$vm_incoming" ]]; then 596 if [[ -n "$os_mode" || -n "$os" ]]; then 597 error "'--incoming' can't be used together with '--os' nor '--os-mode'" 598 return 1 599 fi 600 601 os_mode="original" 602 os="$VM_DIR/$vm_incoming/os.qcow2" 603 elif [[ -n "$vm_migrate_to" ]]; then 604 [[ "$os_mode" != "backing" ]] && warning "Using 'backing' mode for OS since '--migrate-to' is used" 605 os_mode=backing 606 fi 607 608 notice "Creating new VM in $vm_dir" 609 mkdir -p $vm_dir 610 611 if [[ "$os_mode" == "backing" ]]; then 612 notice "Creating backing file for OS image file: $os" 613 if ! $QEMU_IMG_BIN create -f qcow2 -b $os $vm_dir/os.qcow2 -F qcow2; then 614 error "Failed to create OS backing file in '$vm_dir/os.qcow2' using '$os'" 615 return 1 616 fi 617 618 local os=$vm_dir/os.qcow2 619 elif [[ "$os_mode" == "original" ]]; then 620 warning "Using original OS image file: $os" 621 elif [[ "$os_mode" != "snapshot" ]]; then 622 if [[ -z "$os_mode" ]]; then 623 notice "No '--os-mode' parameter provided - using 'snapshot'" 624 os_mode="snapshot" 625 else 626 error "Invalid '--os-mode=$os_mode'" 627 return 1 628 fi 629 fi 630 631 local qemu_mask_param="VM_${vm_num}_qemu_mask" 632 local qemu_numa_node_param="VM_${vm_num}_qemu_numa_node" 633 634 if [[ -z "${!qemu_mask_param}" ]] || [[ -z "${!qemu_numa_node_param}" ]]; then 635 error "Parameters ${qemu_mask_param} or ${qemu_numa_node_param} not found in autotest.config file" 636 return 1 637 fi 638 639 local task_mask=${!qemu_mask_param} 640 641 notice "TASK MASK: $task_mask" 642 local cmd=(taskset -a -c "$task_mask" "$QEMU_BIN") 643 local vm_socket_offset=$((10000 + 100 * vm_num)) 644 645 local ssh_socket=$((vm_socket_offset + 0)) 646 local fio_socket=$((vm_socket_offset + 1)) 647 local monitor_port=$((vm_socket_offset + 2)) 648 local migration_port=$((vm_socket_offset + 3)) 649 local gdbserver_socket=$((vm_socket_offset + 4)) 650 local vnc_socket=$((100 + vm_num)) 651 local qemu_pid_file="$vm_dir/qemu.pid" 652 local cpu_list 653 local cpu_num=0 queue_number=0 654 655 cpu_list=($(parse_cpu_list <(echo "$task_mask"))) 656 cpu_num=${#cpu_list[@]} queue_number=$cpu_num 657 658 # Let's be paranoid about it 659 ((cpu_num > 0 && queue_number > 0)) || return 1 660 661 # Normalize tcp ports to make sure they are available 662 ssh_socket=$(get_free_tcp_port "$ssh_socket") 663 fio_socket=$(get_free_tcp_port "$fio_socket") 664 monitor_port=$(get_free_tcp_port "$monitor_port") 665 migration_port=$(get_free_tcp_port "$migration_port") 666 gdbserver_socket=$(get_free_tcp_port "$gdbserver_socket") 667 vnc_socket=$(get_free_tcp_port "$vnc_socket") 668 669 xtrace_restore 670 671 local node_num=${!qemu_numa_node_param} 672 local boot_disk_present=false 673 notice "NUMA NODE: $node_num" 674 cmd+=(-m "$guest_memory" --enable-kvm -cpu host -smp "$cpu_num" -vga std -vnc ":$vnc_socket" -daemonize) 675 cmd+=(-object "memory-backend-file,id=mem,size=${guest_memory}M,mem-path=/dev/hugepages,share=on,prealloc=yes,host-nodes=$node_num,policy=bind") 676 [[ $os_mode == snapshot ]] && cmd+=(-snapshot) 677 [[ -n "$vm_incoming" ]] && cmd+=(-incoming "tcp:0:$migration_port") 678 cmd+=(-monitor "telnet:127.0.0.1:$monitor_port,server,nowait") 679 cmd+=(-numa "node,memdev=mem") 680 cmd+=(-pidfile "$qemu_pid_file") 681 cmd+=(-serial "file:$vm_dir/serial.log") 682 cmd+=(-D "$vm_dir/qemu.log") 683 cmd+=(-chardev "file,path=$vm_dir/seabios.log,id=seabios" -device "isa-debugcon,iobase=0x402,chardev=seabios") 684 cmd+=(-net "user,hostfwd=tcp::$ssh_socket-:22,hostfwd=tcp::$fio_socket-:8765") 685 cmd+=(-net nic) 686 if [[ -z "$boot_from" ]]; then 687 cmd+=(-drive "file=$os,if=none,id=os_disk") 688 cmd+=(-device "ide-hd,drive=os_disk,bootindex=0") 689 fi 690 691 if ((${#disks[@]} == 0)) && [[ $disk_type_g == virtio* ]]; then 692 disks=("default_virtio.img") 693 elif ((${#disks[@]} == 0)); then 694 error "No disks defined, aborting" 695 return 1 696 fi 697 698 for disk in "${disks[@]}"; do 699 # Each disk can define its type in a form of a disk_name,type. The remaining parts 700 # of the string are dropped. 701 IFS="," read -r disk disk_type _ <<< "$disk" 702 [[ -z $disk_type ]] && disk_type=$disk_type_g 703 704 case $disk_type in 705 virtio) 706 local raw_name="RAWSCSI" 707 local raw_disk=$vm_dir/test.img 708 709 # Create disk file if it not exist or it is smaller than 1G 710 if [[ -f $disk && $(stat --printf="%s" $disk) -ge $((1024 * 1024 * 1024)) ]]; then 711 raw_disk=$disk 712 notice "Using existing image $raw_disk" 713 else 714 notice "Creating Virtio disc $raw_disk" 715 dd if=/dev/zero of=$raw_disk bs=1024k count=1024 716 fi 717 718 cmd+=(-device "virtio-scsi-pci,num_queues=$queue_number") 719 cmd+=(-device "scsi-hd,drive=hd$i,vendor=$raw_name") 720 cmd+=(-drive "if=none,id=hd$i,file=$raw_disk,format=raw$raw_cache") 721 ;; 722 spdk_vhost_scsi) 723 notice "using socket $vhost_dir/naa.$disk.$vm_num" 724 cmd+=(-chardev "socket,id=char_$disk,path=$vhost_dir/naa.$disk.$vm_num") 725 cmd+=(-device "vhost-user-scsi-pci,id=scsi_$disk,num_queues=$queue_number,chardev=char_$disk") 726 if [[ "$disk" == "$boot_from" ]]; then 727 cmd[-1]+=,bootindex=0 728 boot_disk_present=true 729 fi 730 ;; 731 spdk_vhost_blk) 732 notice "using socket $vhost_dir/naa.$disk.$vm_num" 733 cmd+=(-chardev "socket,id=char_$disk,path=$vhost_dir/naa.$disk.$vm_num") 734 cmd+=(-device "vhost-user-blk-pci,num-queues=$queue_number,chardev=char_$disk") 735 if [[ "$disk" == "$boot_from" ]]; then 736 cmd[-1]+=,bootindex=0 737 boot_disk_present=true 738 fi 739 740 if $packed; then 741 check_qemu_packedring_support 742 notice "Enabling packed ring support for VM $vm_num, controller $vhost_dir/naa.$disk.$vm_num" 743 cmd[-1]+=,packed=on 744 fi 745 ;; 746 kernel_vhost) 747 if [[ -z $disk ]]; then 748 error "need WWN for $disk_type" 749 return 1 750 elif [[ ! $disk =~ ^[[:alpha:]]{3}[.][[:xdigit:]]+$ ]]; then 751 error "$disk_type - disk(wnn)=$disk does not look like WNN number" 752 return 1 753 fi 754 notice "Using kernel vhost disk wwn=$disk" 755 cmd+=(-device "vhost-scsi-pci,wwpn=$disk,num_queues=$queue_number") 756 ;; 757 vfio_user) 758 notice "using socket $VM_DIR/$vm_num/domain/muser$disk/$disk/cntrl" 759 cmd+=(-device "vfio-user-pci,x-msg-timeout=5000,socket=$VM_DIR/$vm_num/muser/domain/muser$disk/$disk/cntrl") 760 if [[ "$disk" == "$boot_from" ]]; then 761 cmd[-1]+=",bootindex=0" 762 boot_disk_present=true 763 fi 764 ;; 765 vfio_user_virtio) 766 notice "using socket $VM_DIR/vfu_tgt/virtio.$disk" 767 cmd+=(-device "vfio-user-pci,x-msg-timeout=5000,socket=$VM_DIR/vfu_tgt/virtio.$disk") 768 if [[ "$disk" == "$boot_from" ]]; then 769 cmd[-1]+=",bootindex=0" 770 boot_disk_present=true 771 fi 772 ;; 773 *) 774 error "unknown mode '$disk_type', use: virtio, spdk_vhost_scsi, spdk_vhost_blk, kernel_vhost, vfio_user or vfio_user_virtio" 775 return 1 776 ;; 777 esac 778 done 779 780 if [[ -n $boot_from ]] && [[ $boot_disk_present == false ]]; then 781 error "Boot from $boot_from is selected but device is not present" 782 return 1 783 fi 784 785 ((${#qemu_args[@]})) && cmd+=("${qemu_args[@]}") 786 notice "Saving to $vm_dir/run.sh" 787 cat <<- RUN > "$vm_dir/run.sh" 788 #!/bin/bash 789 shopt -s nullglob extglob 790 rootdir=$rootdir 791 source "\$rootdir/test/scheduler/common.sh" 792 qemu_log () { 793 echo "=== qemu.log ===" 794 [[ -s $vm_dir/qemu.log ]] && cat $vm_dir/qemu.log 795 echo "=== qemu.log ===" 796 } 797 798 if [[ \$EUID -ne 0 ]]; then 799 echo "Go away user come back as root" 800 exit 1 801 fi 802 803 trap "qemu_log" EXIT 804 805 qemu_cmd=($(printf '%s\n' "${cmd[@]}")) 806 chmod +r $vm_dir/* 807 echo "Running VM in $vm_dir" 808 rm -f $qemu_pid_file 809 cgroup=\$(get_cgroup \$$) 810 set_cgroup_attr_top_bottom \$$ cgroup.subtree_control "+cpuset" 811 create_cgroup \$cgroup/qemu.$vm_num 812 set_cgroup_attr "\$cgroup/qemu.$vm_num" cpuset.mems "$node_num" 813 set_cgroup_attr "\$cgroup/qemu.$vm_num" cpuset.cpus "$task_mask" 814 "\${qemu_cmd[@]}" 815 816 echo "Waiting for QEMU pid file" 817 sleep 1 818 [[ ! -f $qemu_pid_file ]] && sleep 1 819 [[ ! -f $qemu_pid_file ]] && echo "ERROR: no qemu pid file found" && exit 1 820 set_cgroup_attr "\$cgroup/qemu.$vm_num" cgroup.threads \$(< "$qemu_pid_file") 821 exit 0 822 # EOF 823 RUN 824 chmod +x $vm_dir/run.sh 825 826 # Save generated sockets redirection 827 echo $ssh_socket > $vm_dir/ssh_socket 828 echo $fio_socket > $vm_dir/fio_socket 829 echo $monitor_port > $vm_dir/monitor_port 830 831 rm -f $vm_dir/migration_port 832 [[ -z $vm_incoming ]] || echo $migration_port > $vm_dir/migration_port 833 834 echo $gdbserver_socket > $vm_dir/gdbserver_socket 835 echo $vnc_socket >> $vm_dir/vnc_socket 836 837 [[ -z $vm_incoming ]] || ln -fs $VM_DIR/$vm_incoming $vm_dir/vm_incoming 838 [[ -z $vm_migrate_to ]] || ln -fs $VM_DIR/$vm_migrate_to $vm_dir/vm_migrate_to 839} 840 841function vm_run() { 842 local OPTIND optchar vm 843 local run_all=false 844 local vms_to_run="" 845 846 while getopts 'a-:' optchar; do 847 case "$optchar" in 848 a) run_all=true ;; 849 *) 850 error "Unknown param $OPTARG" 851 return 1 852 ;; 853 esac 854 done 855 856 if $run_all; then 857 vms_to_run="$(vm_list_all)" 858 else 859 shift $((OPTIND - 1)) 860 for vm in "$@"; do 861 vm_num_is_valid $1 || return 1 862 if [[ ! -x $VM_DIR/$vm/run.sh ]]; then 863 error "VM$vm not defined - setup it first" 864 return 1 865 fi 866 vms_to_run+=" $vm" 867 done 868 fi 869 870 for vm in $vms_to_run; do 871 if vm_is_running $vm; then 872 warning "VM$vm ($VM_DIR/$vm) already running" 873 continue 874 fi 875 876 notice "running $VM_DIR/$vm/run.sh" 877 if ! $VM_DIR/$vm/run.sh; then 878 error "FAILED to run vm $vm" 879 return 1 880 fi 881 done 882} 883 884function vm_print_logs() { 885 vm_num=$1 886 warning "================" 887 warning "QEMU LOG:" 888 if [[ -r $VM_DIR/$vm_num/qemu.log ]]; then 889 cat $VM_DIR/$vm_num/qemu.log 890 else 891 warning "LOG qemu.log not found" 892 fi 893 894 warning "VM LOG:" 895 if [[ -r $VM_DIR/$vm_num/serial.log ]]; then 896 cat $VM_DIR/$vm_num/serial.log 897 else 898 warning "LOG serial.log not found" 899 fi 900 901 warning "SEABIOS LOG:" 902 if [[ -r $VM_DIR/$vm_num/seabios.log ]]; then 903 cat $VM_DIR/$vm_num/seabios.log 904 else 905 warning "LOG seabios.log not found" 906 fi 907 warning "================" 908} 909 910# Wait for all created VMs to boot. 911# param $1 max wait time 912function vm_wait_for_boot() { 913 assert_number $1 914 915 xtrace_disable 916 917 local all_booted=false 918 local timeout_time=$1 919 [[ $timeout_time -lt 10 ]] && timeout_time=10 920 local timeout_time 921 timeout_time=$(date -d "+$timeout_time seconds" +%s) 922 923 notice "Waiting for VMs to boot" 924 shift 925 if [[ "$*" == "" ]]; then 926 local vms_to_check="$VM_DIR/[0-9]*" 927 else 928 local vms_to_check="" 929 for vm in "$@"; do 930 vms_to_check+=" $VM_DIR/$vm" 931 done 932 fi 933 934 for vm in $vms_to_check; do 935 local vm_num 936 vm_num=$(basename $vm) 937 local i=0 938 notice "waiting for VM$vm_num ($vm)" 939 while ! vm_os_booted $vm_num; do 940 if ! vm_is_running $vm_num; then 941 warning "VM $vm_num is not running" 942 vm_print_logs $vm_num 943 xtrace_restore 944 return 1 945 fi 946 947 if [[ $(date +%s) -gt $timeout_time ]]; then 948 warning "timeout waiting for machines to boot" 949 vm_print_logs $vm_num 950 xtrace_restore 951 return 1 952 fi 953 if ((i > 30)); then 954 local i=0 955 echo 956 fi 957 echo -n "." 958 sleep 1 959 done 960 echo "" 961 notice "VM$vm_num ready" 962 #Change Timeout for stopping services to prevent lengthy powerdowns 963 #Check that remote system is not Cygwin in case of Windows VMs 964 local vm_os 965 vm_os=$(vm_exec $vm_num "uname -o") 966 if [[ "$vm_os" != "Cygwin" ]]; then 967 vm_exec $vm_num "echo 'DefaultTimeoutStopSec=10' >> /etc/systemd/system.conf; systemctl daemon-reexec" 968 fi 969 done 970 971 notice "all VMs ready" 972 xtrace_restore 973 return 0 974} 975 976function vm_start_fio_server() { 977 local OPTIND optchar 978 local readonly='' 979 local fio_bin='' 980 while getopts ':-:' optchar; do 981 case "$optchar" in 982 -) 983 case "$OPTARG" in 984 fio-bin=*) local fio_bin="${OPTARG#*=}" ;; 985 readonly) local readonly="--readonly" ;; 986 *) error "Invalid argument '$OPTARG'" && return 1 ;; 987 esac 988 ;; 989 *) error "Invalid argument '$OPTARG'" && return 1 ;; 990 esac 991 done 992 993 shift $((OPTIND - 1)) 994 for vm_num in "$@"; do 995 notice "Starting fio server on VM$vm_num" 996 if [[ $fio_bin != "" ]]; then 997 vm_exec $vm_num 'cat > /root/fio; chmod +x /root/fio' < $fio_bin 998 vm_exec $vm_num /root/fio $readonly --eta=never --server --daemonize=/root/fio.pid 999 else 1000 vm_exec $vm_num fio $readonly --eta=never --server --daemonize=/root/fio.pid 1001 fi 1002 done 1003} 1004 1005function vm_check_scsi_location() { 1006 # Script to find wanted disc 1007 local script='shopt -s nullglob; 1008 for entry in /sys/block/sd*; do 1009 disk_type="$(cat $entry/device/vendor)"; 1010 if [[ $disk_type == INTEL* ]] || [[ $disk_type == RAWSCSI* ]] || [[ $disk_type == LIO-ORG* ]]; then 1011 fname=$(basename $entry); 1012 echo -n " $fname"; 1013 fi; 1014 done' 1015 1016 SCSI_DISK="$(echo "$script" | vm_exec $1 bash -s)" 1017 1018 if [[ -z "$SCSI_DISK" ]]; then 1019 error "no test disk found!" 1020 return 1 1021 fi 1022} 1023 1024# Script to perform scsi device reset on all disks in VM 1025# param $1 VM num 1026# param $2..$n Disks to perform reset on 1027function vm_reset_scsi_devices() { 1028 for disk in "${@:2}"; do 1029 notice "VM$1 Performing device reset on disk $disk" 1030 vm_exec $1 sg_reset /dev/$disk -vNd 1031 done 1032} 1033 1034function vm_check_blk_location() { 1035 local script='shopt -s nullglob; cd /sys/block; echo vd*' 1036 SCSI_DISK="$(echo "$script" | vm_exec $1 bash -s)" 1037 1038 if [[ -z "$SCSI_DISK" ]]; then 1039 error "no blk test disk found!" 1040 return 1 1041 fi 1042} 1043 1044function vm_check_nvme_location() { 1045 SCSI_DISK="$(vm_exec $1 "grep -l SPDK /sys/class/nvme/*/model" | awk -F/ '{print $5"n1"}')" 1046 if [[ -z "$SCSI_DISK" ]]; then 1047 error "no vfio-user nvme test disk found!" 1048 return 1 1049 fi 1050} 1051 1052function run_fio() { 1053 local arg 1054 local job_file="" 1055 local fio_bin="" 1056 local vms=() 1057 local out="" 1058 local vm 1059 local run_server_mode=true 1060 local run_plugin_mode=false 1061 local fio_start_cmd 1062 local fio_output_format="normal" 1063 local fio_gtod_reduce=false 1064 local wait_for_fio=true 1065 1066 for arg in "$@"; do 1067 case "$arg" in 1068 --job-file=*) local job_file="${arg#*=}" ;; 1069 --fio-bin=*) local fio_bin="${arg#*=}" ;; 1070 --vm=*) vms+=("${arg#*=}") ;; 1071 --out=*) 1072 local out="${arg#*=}" 1073 mkdir -p $out 1074 ;; 1075 --local) run_server_mode=false ;; 1076 --plugin) 1077 notice "Using plugin mode. Disabling server mode." 1078 run_plugin_mode=true 1079 run_server_mode=false 1080 ;; 1081 --json) fio_output_format="json" ;; 1082 --hide-results) hide_results=true ;; 1083 --no-wait-for-fio) wait_for_fio=false ;; 1084 --gtod-reduce) fio_gtod_reduce=true ;; 1085 *) 1086 error "Invalid argument '$arg'" 1087 return 1 1088 ;; 1089 esac 1090 done 1091 1092 if [[ -n "$fio_bin" && ! -r "$fio_bin" ]]; then 1093 error "FIO binary '$fio_bin' does not exist" 1094 return 1 1095 fi 1096 1097 if [[ -z "$fio_bin" ]]; then 1098 fio_bin="fio" 1099 fi 1100 1101 if [[ ! -r "$job_file" ]]; then 1102 error "Fio job '$job_file' does not exist" 1103 return 1 1104 fi 1105 1106 fio_start_cmd="$fio_bin --eta=never " 1107 1108 local job_fname 1109 job_fname=$(basename "$job_file") 1110 log_fname="${job_fname%%.*}.log" 1111 fio_start_cmd+=" --output=$out/$log_fname --output-format=$fio_output_format " 1112 1113 # prepare job file for each VM 1114 for vm in "${vms[@]}"; do 1115 local vm_num=${vm%%:*} 1116 local vmdisks=${vm#*:} 1117 1118 sed "s@filename=@filename=$vmdisks@;s@description=\(.*\)@description=\1 (VM=$vm_num)@" "$job_file" \ 1119 | vm_exec $vm_num "cat > /root/$job_fname" 1120 1121 if $fio_gtod_reduce; then 1122 vm_exec $vm_num "echo 'gtod_reduce=1' >> /root/$job_fname" 1123 fi 1124 1125 vm_exec $vm_num cat /root/$job_fname 1126 1127 if $run_server_mode; then 1128 fio_start_cmd+="--client=127.0.0.1,$(vm_fio_socket $vm_num) --remote-config /root/$job_fname " 1129 fi 1130 1131 if ! $run_server_mode; then 1132 if [[ -n "$fio_bin" ]]; then 1133 if ! $run_plugin_mode && [[ -e $fio_bin ]]; then 1134 vm_exec $vm_num 'cat > /root/fio; chmod +x /root/fio' < $fio_bin 1135 vm_fio_bin="/root/fio" 1136 else 1137 vm_fio_bin=$fio_bin 1138 fi 1139 fi 1140 1141 notice "Running local fio on VM $vm_num" 1142 vm_exec $vm_num "$vm_fio_bin --output=/root/$log_fname --output-format=$fio_output_format /root/$job_fname & echo \$! > /root/fio.pid" & 1143 vm_exec_pids+=("$!") 1144 fi 1145 done 1146 1147 if ! $run_server_mode; then 1148 if ! $wait_for_fio; then 1149 return 0 1150 fi 1151 echo "Waiting for guest fio instances to finish.." 1152 wait "${vm_exec_pids[@]}" 1153 1154 for vm in "${vms[@]}"; do 1155 local vm_num=${vm%%:*} 1156 vm_exec $vm_num cat /root/$log_fname > "$out/vm${vm_num}_${log_fname}" 1157 done 1158 return 0 1159 fi 1160 1161 $fio_start_cmd 1162 sleep 1 1163 1164 if [[ "$fio_output_format" == "json" ]]; then 1165 # Fio in client-server mode produces a lot of "trash" output 1166 # preceding JSON structure, making it not possible to parse. 1167 # Remove these lines from file. 1168 # shellcheck disable=SC2005 1169 echo "$(grep -vP '^[<\w]' "$out/$log_fname")" > "$out/$log_fname" 1170 fi 1171 1172 if [[ ! $hide_results ]]; then 1173 cat $out/$log_fname 1174 fi 1175} 1176 1177# Parsing fio results for json output and client-server mode only! 1178function parse_fio_results() { 1179 local fio_log_dir=$1 1180 local fio_log_filename=$2 1181 local fio_csv_filename 1182 1183 # Variables used in parsing loop 1184 local log_file 1185 local rwmode mixread mixwrite 1186 local lat_key lat_divisor 1187 local client_stats iops bw 1188 local read_avg_lat read_min_lat read_max_lat 1189 local write_avg_lat write_min_lat write_min_lat 1190 local clients 1191 1192 declare -A results 1193 results["iops"]=0 1194 results["bw"]=0 1195 results["avg_lat"]=0 1196 results["min_lat"]=0 1197 results["max_lat"]=0 1198 1199 # Loop using the log filename to see if there are any other 1200 # matching files. This is in case we ran fio test multiple times. 1201 log_files=("$fio_log_dir/$fio_log_filename"*) 1202 for log_file in "${log_files[@]}"; do 1203 # Save entire array to avoid opening $log_file multiple times 1204 clients=$(jq -r '.client_stats' "$log_file") 1205 [[ -n $clients ]] 1206 rwmode=$(jq -r '.[0]["job options"]["rw"]' <<< "$clients") 1207 mixread=1 1208 mixwrite=1 1209 if [[ $rwmode = *"rw"* ]]; then 1210 mixread=$(jq -r '.[0]["job options"]["rwmixread"]' <<< "$clients") 1211 mixread=$(bc -l <<< "scale=3; $mixread/100") 1212 mixwrite=$(bc -l <<< "scale=3; 1-$mixread") 1213 fi 1214 1215 client_stats=$(jq -r '.[] | select(.jobname == "All clients")' <<< "$clients") 1216 if [[ -z $client_stats ]]; then 1217 # Potentially single client (single VM) 1218 client_stats=$(jq -r '.[]' <<< "$clients") 1219 fi 1220 1221 # Check latency unit and later normalize to microseconds 1222 lat_key="lat_us" 1223 lat_divisor=1 1224 if jq -er '.read["lat_ns"]' &> /dev/null <<< $client_stats; then 1225 lat_key="lat_ns" 1226 lat_divisor=1000 1227 fi 1228 1229 # Horrific bash float point arithmetic operations below. 1230 # Viewer discretion is advised. 1231 iops=$(jq -r '[.read["iops"],.write["iops"]] | add' <<< $client_stats) 1232 bw=$(jq -r '[.read["bw"],.write["bw"]] | add' <<< $client_stats) 1233 read_avg_lat=$(jq -r --arg lat_key $lat_key '.read[$lat_key]["mean"]' <<< $client_stats) 1234 read_min_lat=$(jq -r --arg lat_key $lat_key '.read[$lat_key]["min"]' <<< $client_stats) 1235 read_max_lat=$(jq -r --arg lat_key $lat_key '.read[$lat_key]["max"]' <<< $client_stats) 1236 write_avg_lat=$(jq -r --arg lat_key $lat_key '.write[$lat_key]["mean"]' <<< $client_stats) 1237 write_min_lat=$(jq -r --arg lat_key $lat_key '.write[$lat_key]["min"]' <<< $client_stats) 1238 write_max_lat=$(jq -r --arg lat_key $lat_key '.write[$lat_key]["max"]' <<< $client_stats) 1239 1240 results["iops"]=$(bc -l <<< "${results[iops]} + $iops") 1241 results["bw"]=$(bc -l <<< "${results[bw]} + $bw") 1242 results["avg_lat"]=$(bc -l <<< "${results[avg_lat]} + ($mixread*$read_avg_lat + $mixwrite*$write_avg_lat)/$lat_divisor") 1243 results["min_lat"]=$(bc -l <<< "${results[min_lat]} + ($mixread*$read_min_lat + $mixwrite*$write_min_lat)/$lat_divisor") 1244 results["max_lat"]=$(bc -l <<< "${results[max_lat]} + ($mixread*$read_max_lat + $mixwrite*$write_max_lat)/$lat_divisor") 1245 done 1246 1247 results["iops"]=$(bc -l <<< "scale=3; ${results[iops]} / ${#log_files[@]}") 1248 results["bw"]=$(bc -l <<< "scale=3; ${results[bw]} / ${#log_files[@]}") 1249 results["avg_lat"]=$(bc -l <<< "scale=3; ${results[avg_lat]} / ${#log_files[@]}") 1250 results["min_lat"]=$(bc -l <<< "scale=3; ${results[min_lat]} / ${#log_files[@]}") 1251 results["max_lat"]=$(bc -l <<< "scale=3; ${results[max_lat]} / ${#log_files[@]}") 1252 1253 fio_csv_filename="${fio_log_filename%%.*}.csv" 1254 cat <<- EOF > "$fio_log_dir/$fio_csv_filename" 1255 iops,bw,avg_lat,min_lat,max_lat 1256 ${results["iops"]},${results["bw"]},${results["avg_lat"]},${results["min_lat"]},${results["max_lat"]} 1257 EOF 1258} 1259 1260# Shutdown or kill any running VM and SPDK APP. 1261# 1262function at_app_exit() { 1263 local vhost_name 1264 1265 notice "APP EXITING" 1266 notice "killing all VMs" 1267 vm_kill_all 1268 # Kill vhost application 1269 notice "killing vhost app" 1270 1271 for vhost_name in "$TARGET_DIR"/*; do 1272 vhost_kill "$(basename "$vhost_name")" 1273 done 1274 1275 notice "EXIT DONE" 1276} 1277 1278function error_exit() { 1279 trap - ERR 1280 print_backtrace 1281 set +e 1282 error "Error on $1 $2" 1283 1284 at_app_exit 1285 exit 1 1286} 1287 1288function lookup_dev_irqs() { 1289 local vm=$1 irqs=() cpus=() 1290 local script_get_irqs script_get_cpus 1291 1292 mkdir -p "$VHOST_DIR/irqs" 1293 1294 # All vhost tests depend either on virtio_blk or virtio_scsi drivers on the VM side. 1295 # Considering that, simply iterate over virtio bus and pick pci device corresponding 1296 # to each virtio device. 1297 # For vfio-user setup, look for bare nvme devices. 1298 1299 script_get_irqs=$( 1300 cat <<- 'SCRIPT' 1301 shopt -s nullglob 1302 for virtio in /sys/bus/virtio/devices/virtio*; do 1303 irqs+=("$(readlink -f "$virtio")/../msi_irqs/"*) 1304 done 1305 irqs+=(/sys/class/nvme/nvme*/device/msi_irqs/*) 1306 printf '%u\n' "${irqs[@]##*/}" 1307 SCRIPT 1308 ) 1309 1310 script_get_cpus=$( 1311 cat <<- 'SCRIPT' 1312 cpus=(/sys/devices/system/cpu/cpu[0-9]*) 1313 printf '%u\n' "${cpus[@]##*cpu}" 1314 SCRIPT 1315 ) 1316 1317 irqs=($(vm_exec "$vm" "$script_get_irqs")) 1318 cpus=($(vm_exec "$vm" "$script_get_cpus")) 1319 ((${#irqs[@]} > 0 && ${#cpus[@]} > 0)) 1320 1321 printf '%u\n' "${irqs[@]}" > "$VHOST_DIR/irqs/$vm.irqs" 1322 printf '%u\n' "${cpus[@]}" > "$VHOST_DIR/irqs/$vm.cpus" 1323} 1324 1325function irqs() { 1326 local vm 1327 for vm; do 1328 vm_exec "$vm" "while :; do cat /proc/interrupts; sleep 1s; done" > "$VHOST_DIR/irqs/$vm.interrupts" & 1329 irqs_pids+=($!) 1330 done 1331} 1332 1333function parse_irqs() { 1334 local iter=${1:-1} 1335 "$rootdir/test/vhost/parse_irqs.sh" "$VHOST_DIR/irqs/"*.interrupts 1336 rm "$VHOST_DIR/irqs/"*.interrupts 1337 1338 mkdir -p "$VHOST_DIR/irqs/$iter" 1339 mv "$VHOST_DIR/irqs/"*.parsed "$VHOST_DIR/irqs/$iter/" 1340} 1341 1342function collect_perf() { 1343 local cpus=$1 outf=$2 runtime=$3 delay=$4 1344 1345 mkdir -p "$VHOST_DIR/perf" 1346 1347 perf record -g \ 1348 ${cpus:+-C "$cpus"} \ 1349 ${outf:+-o "$outf"} \ 1350 ${delay:+-D $((delay * 1000))} \ 1351 -z \ 1352 ${runtime:+ -- sleep $((runtime + delay))} 1353} 1354 1355function parse_perf() { 1356 local iter=${1:-1} 1357 local report out 1358 1359 mkdir -p "$VHOST_DIR/perf/$iter" 1360 shift 1361 1362 for report in "$@" "$VHOST_DIR/perf/"*.perf; do 1363 [[ -f $report ]] || continue 1364 perf report \ 1365 -n \ 1366 -i "$report" \ 1367 --header \ 1368 --stdio > "$VHOST_DIR/perf/$iter/${report##*/}.parsed" 1369 cp "$report" "$VHOST_DIR/perf/$iter/" 1370 done 1371 rm "$VHOST_DIR/perf/"*.perf 1372} 1373 1374function get_from_fio() { 1375 local opt=$1 conf=$2 1376 1377 [[ -n $opt && -f $conf ]] || return 1 1378 1379 awk -F= "/^$opt/{print \$2}" "$conf" 1380} 1381 1382function get_free_tcp_port() { 1383 local port=$1 to=${2:-1} sockets=() 1384 1385 mapfile -t sockets < /proc/net/tcp 1386 1387 # If there's a TCP socket in a listening state keep incrementing $port until 1388 # we find one that's not used. $to determines how long should we look for: 1389 # 0: don't increment, just check if given $port is in use 1390 # >0: increment $to times 1391 # <0: no increment limit 1392 1393 while [[ ${sockets[*]} == *":$(printf '%04X' "$port") 00000000:0000 0A"* ]]; do 1394 ((to-- && ++port <= 65535)) || return 1 1395 done 1396 1397 echo "$port" 1398} 1399 1400function gen_cpu_vm_spdk_config() ( 1401 local vm_count=$1 vm_cpu_num=$2 vm 1402 local spdk_cpu_num=${3:-1} spdk_cpu_list=${4:-} spdk_cpus 1403 local nodes=("${@:5}") node 1404 local env 1405 1406 spdk_cpus=spdk_cpu_num 1407 [[ -n $spdk_cpu_list ]] && spdk_cpus=spdk_cpu_list 1408 1409 if ((${#nodes[@]} > 0)); then 1410 ((${#nodes[@]} == 1)) && node=${nodes[0]} 1411 for ((vm = 0; vm < vm_count; vm++)); do 1412 env+=("VM${vm}_NODE=${nodes[vm]:-$node}") 1413 done 1414 fi 1415 1416 env+=("$spdk_cpus=${!spdk_cpus}") 1417 env+=("vm_count=$vm_count") 1418 env+=("vm_cpu_num=$vm_cpu_num") 1419 1420 export "${env[@]}" 1421 1422 "$rootdir/scripts/perf/vhost/conf-generator" -p cpu 1423) 1424