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