1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0+ 3# 4# Run a series of tests under KVM. By default, this series is specified 5# by the relevant CFLIST file, but can be overridden by the --configs 6# command-line argument. 7# 8# Usage: kvm.sh [ options ] 9# 10# Copyright (C) IBM Corporation, 2011 11# 12# Authors: Paul E. McKenney <paulmck@linux.ibm.com> 13 14scriptname=$0 15args="$*" 16 17T="`mktemp -d ${TMPDIR-/tmp}/kvm.sh.XXXXXX`" 18trap 'rm -rf $T' 0 19 20cd `dirname $scriptname`/../../../../../ 21 22# This script knows only English. 23LANG=en_US.UTF-8; export LANG 24 25dur=$((30*60)) 26dryrun="" 27RCUTORTURE="`pwd`/tools/testing/selftests/rcutorture"; export RCUTORTURE 28PATH=${RCUTORTURE}/bin:$PATH; export PATH 29. functions.sh 30 31TORTURE_ALLOTED_CPUS="`identify_qemu_vcpus`" 32TORTURE_DEFCONFIG=defconfig 33TORTURE_BOOT_IMAGE="" 34TORTURE_BUILDONLY= 35TORTURE_INITRD="$RCUTORTURE/initrd"; export TORTURE_INITRD 36TORTURE_KCONFIG_ARG="" 37TORTURE_KCONFIG_GDB_ARG="" 38TORTURE_BOOT_GDB_ARG="" 39TORTURE_QEMU_GDB_ARG="" 40TORTURE_JITTER_START="" 41TORTURE_JITTER_STOP="" 42TORTURE_KCONFIG_KASAN_ARG="" 43TORTURE_KCONFIG_KCSAN_ARG="" 44TORTURE_KMAKE_ARG="" 45TORTURE_QEMU_MEM=512 46torture_qemu_mem_default=1 47TORTURE_REMOTE= 48TORTURE_SHUTDOWN_GRACE=180 49TORTURE_SUITE=rcu 50TORTURE_MOD=rcutorture 51TORTURE_TRUST_MAKE="" 52debuginfo="CONFIG_DEBUG_INFO_NONE=n CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y" 53resdir="" 54configs="" 55cpus=0 56ds=`date +%Y.%m.%d-%H.%M.%S` 57jitter="-1" 58 59startdate="`date`" 60starttime="`get_starttime`" 61 62usage () { 63 echo "Usage: $scriptname optional arguments:" 64 echo " --allcpus" 65 echo " --bootargs kernel-boot-arguments" 66 echo " --bootimage relative-path-to-kernel-boot-image" 67 echo " --buildonly" 68 echo " --configs \"config-file list w/ repeat factor (3*TINY01)\"" 69 echo " --cpus N" 70 echo " --datestamp string" 71 echo " --defconfig string" 72 echo " --debug-info" 73 echo " --dryrun batches|scenarios|sched|script" 74 echo " --duration minutes | <seconds>s | <hours>h | <days>d" 75 echo " --gdb" 76 echo " --help" 77 echo " --interactive" 78 echo " --jitter N [ maxsleep (us) [ maxspin (us) ] ]" 79 echo " --kasan" 80 echo " --kconfig Kconfig-options" 81 echo " --kcsan" 82 echo " --kmake-arg kernel-make-arguments" 83 echo " --mac nn:nn:nn:nn:nn:nn" 84 echo " --memory megabytes|nnnG" 85 echo " --no-initrd" 86 echo " --qemu-args qemu-arguments" 87 echo " --qemu-cmd qemu-system-..." 88 echo " --remote" 89 echo " --results absolute-pathname" 90 echo " --shutdown-grace seconds" 91 echo " --torture lock|rcu|rcuscale|refscale|scf|X*" 92 echo " --trust-make" 93 exit 1 94} 95 96while test $# -gt 0 97do 98 case "$1" in 99 --allcpus) 100 cpus=$TORTURE_ALLOTED_CPUS 101 max_cpus=$TORTURE_ALLOTED_CPUS 102 ;; 103 --bootargs|--bootarg) 104 checkarg --bootargs "(list of kernel boot arguments)" "$#" "$2" '.*' '^--' 105 TORTURE_BOOTARGS="$TORTURE_BOOTARGS $2" 106 shift 107 ;; 108 --bootimage) 109 checkarg --bootimage "(relative path to kernel boot image)" "$#" "$2" '[a-zA-Z0-9][a-zA-Z0-9_]*' '^--' 110 TORTURE_BOOT_IMAGE="$2" 111 shift 112 ;; 113 --buildonly|--build-only) 114 TORTURE_BUILDONLY=1 115 ;; 116 --configs|--config) 117 checkarg --configs "(list of config files)" "$#" "$2" '^[^/.a-z]\+$' '^--' 118 configs="$configs $2" 119 shift 120 ;; 121 --cpus) 122 checkarg --cpus "(number)" "$#" "$2" '^[0-9]*$' '^--' 123 cpus=$2 124 TORTURE_ALLOTED_CPUS="$2" 125 if test -z "$TORTURE_REMOTE" 126 then 127 max_cpus="`identify_qemu_vcpus`" 128 if test "$TORTURE_ALLOTED_CPUS" -gt "$max_cpus" 129 then 130 TORTURE_ALLOTED_CPUS=$max_cpus 131 fi 132 fi 133 shift 134 ;; 135 --datestamp) 136 checkarg --datestamp "(relative pathname)" "$#" "$2" '^[a-zA-Z0-9._/-]*$' '^--' 137 ds=$2 138 shift 139 ;; 140 --debug-info|--debuginfo) 141 if test -z "$TORTURE_KCONFIG_KCSAN_ARG" && test -z "$TORTURE_BOOT_GDB_ARG" 142 then 143 TORTURE_KCONFIG_KCSAN_ARG="$debuginfo"; export TORTURE_KCONFIG_KCSAN_ARG 144 TORTURE_BOOT_GDB_ARG="nokaslr"; export TORTURE_BOOT_GDB_ARG 145 else 146 echo "Ignored redundant --debug-info (implied by --kcsan &c)" 147 fi 148 ;; 149 --defconfig) 150 checkarg --defconfig "defconfigtype" "$#" "$2" '^[^/][^/]*$' '^--' 151 TORTURE_DEFCONFIG=$2 152 shift 153 ;; 154 --dryrun) 155 checkarg --dryrun "batches|sched|script" $# "$2" 'batches\|scenarios\|sched\|script' '^--' 156 dryrun=$2 157 shift 158 ;; 159 --duration) 160 checkarg --duration "(minutes)" $# "$2" '^[0-9][0-9]*\(s\|m\|h\|d\|\)$' '^error' 161 mult=60 162 if echo "$2" | grep -q 's$' 163 then 164 mult=1 165 elif echo "$2" | grep -q 'h$' 166 then 167 mult=3600 168 elif echo "$2" | grep -q 'd$' 169 then 170 mult=86400 171 fi 172 ts=`echo $2 | sed -e 's/[smhd]$//'` 173 dur=$(($ts*mult)) 174 shift 175 ;; 176 --gdb) 177 TORTURE_KCONFIG_GDB_ARG="$debuginfo"; export TORTURE_KCONFIG_GDB_ARG 178 TORTURE_BOOT_GDB_ARG="nokaslr"; export TORTURE_BOOT_GDB_ARG 179 TORTURE_QEMU_GDB_ARG="-s -S"; export TORTURE_QEMU_GDB_ARG 180 ;; 181 --help|-h) 182 usage 183 ;; 184 --interactive) 185 TORTURE_QEMU_INTERACTIVE=1; export TORTURE_QEMU_INTERACTIVE 186 ;; 187 --jitter) 188 checkarg --jitter "(# threads [ sleep [ spin ] ])" $# "$2" '^-\{,1\}[0-9]\+\( \+[0-9]\+\)\{,2\} *$' '^error$' 189 jitter="$2" 190 shift 191 ;; 192 --kasan) 193 TORTURE_KCONFIG_KASAN_ARG="$debuginfo CONFIG_KASAN=y"; export TORTURE_KCONFIG_KASAN_ARG 194 if test -n "$torture_qemu_mem_default" 195 then 196 TORTURE_QEMU_MEM=2G 197 fi 198 ;; 199 --kconfig|--kconfigs) 200 checkarg --kconfig "(Kconfig options)" $# "$2" '^\(#CHECK#\)\?CONFIG_[A-Z0-9_]\+=\([ynm]\|[0-9]\+\|"[^"]*"\)\( \(#CHECK#\)\?CONFIG_[A-Z0-9_]\+=\([ynm]\|[0-9]\+\|"[^"]*"\)\)*$' '^error$' 201 TORTURE_KCONFIG_ARG="`echo "$TORTURE_KCONFIG_ARG $2" | sed -e 's/^ *//' -e 's/ *$//'`" 202 shift 203 ;; 204 --kcsan) 205 TORTURE_KCONFIG_KCSAN_ARG="$debuginfo CONFIG_KCSAN=y CONFIG_KCSAN_STRICT=y CONFIG_KCSAN_REPORT_ONCE_IN_MS=100000 CONFIG_KCSAN_VERBOSE=y CONFIG_DEBUG_LOCK_ALLOC=y CONFIG_PROVE_LOCKING=y"; export TORTURE_KCONFIG_KCSAN_ARG 206 ;; 207 --kmake-arg|--kmake-args) 208 checkarg --kmake-arg "(kernel make arguments)" $# "$2" '.*' '^error$' 209 TORTURE_KMAKE_ARG="`echo "$TORTURE_KMAKE_ARG $2" | sed -e 's/^ *//' -e 's/ *$//'`" 210 shift 211 ;; 212 --mac) 213 checkarg --mac "(MAC address)" $# "$2" '^\([0-9a-fA-F]\{2\}:\)\{5\}[0-9a-fA-F]\{2\}$' error 214 TORTURE_QEMU_MAC=$2 215 shift 216 ;; 217 --memory) 218 checkarg --memory "(memory size)" $# "$2" '^[0-9]\+[MG]\?$' error 219 TORTURE_QEMU_MEM=$2 220 torture_qemu_mem_default= 221 shift 222 ;; 223 --no-initrd) 224 TORTURE_INITRD=""; export TORTURE_INITRD 225 ;; 226 --qemu-args|--qemu-arg) 227 checkarg --qemu-args "(qemu arguments)" $# "$2" '^-' '^error' 228 TORTURE_QEMU_ARG="`echo "$TORTURE_QEMU_ARG $2" | sed -e 's/^ *//' -e 's/ *$//'`" 229 shift 230 ;; 231 --qemu-cmd) 232 checkarg --qemu-cmd "(qemu-system-...)" $# "$2" 'qemu-system-' '^--' 233 TORTURE_QEMU_CMD="$2" 234 shift 235 ;; 236 --remote) 237 TORTURE_REMOTE=1 238 ;; 239 --results) 240 checkarg --results "(absolute pathname)" "$#" "$2" '^/' '^error' 241 resdir=$2 242 shift 243 ;; 244 --shutdown-grace) 245 checkarg --shutdown-grace "(seconds)" "$#" "$2" '^[0-9]*$' '^error' 246 TORTURE_SHUTDOWN_GRACE=$2 247 shift 248 ;; 249 --torture) 250 checkarg --torture "(suite name)" "$#" "$2" '^\(lock\|rcu\|rcuscale\|refscale\|scf\|X.*\)$' '^--' 251 TORTURE_SUITE=$2 252 TORTURE_MOD="`echo $TORTURE_SUITE | sed -e 's/^\(lock\|rcu\|scf\)$/\1torture/'`" 253 shift 254 if test "$TORTURE_SUITE" = rcuscale || test "$TORTURE_SUITE" = refscale 255 then 256 # If you really want jitter for refscale or 257 # rcuscale, specify it after specifying the rcuscale 258 # or the refscale. (But why jitter in these cases?) 259 jitter=0 260 fi 261 ;; 262 --trust-make) 263 TORTURE_TRUST_MAKE="y" 264 ;; 265 *) 266 echo Unknown argument $1 267 usage 268 ;; 269 esac 270 shift 271done 272 273if test -n "$dryrun" || test -z "$TORTURE_INITRD" || tools/testing/selftests/rcutorture/bin/mkinitrd.sh 274then 275 : 276else 277 echo No initrd and unable to create one, aborting test >&2 278 exit 1 279fi 280 281CONFIGFRAG=${RCUTORTURE}/configs/${TORTURE_SUITE}; export CONFIGFRAG 282 283defaultconfigs="`tr '\012' ' ' < $CONFIGFRAG/CFLIST`" 284if test -z "$configs" 285then 286 configs=$defaultconfigs 287fi 288 289if test -z "$resdir" 290then 291 resdir=$RCUTORTURE/res 292fi 293 294# Create a file of test-name/#cpus pairs, sorted by decreasing #cpus. 295configs_derep= 296for CF in $configs 297do 298 case $CF in 299 [0-9]\**|[0-9][0-9]\**|[0-9][0-9][0-9]\**|[0-9][0-9][0-9][0-9]\**) 300 config_reps=`echo $CF | sed -e 's/\*.*$//'` 301 CF1=`echo $CF | sed -e 's/^[^*]*\*//'` 302 ;; 303 *) 304 config_reps=1 305 CF1=$CF 306 ;; 307 esac 308 for ((cur_rep=0;cur_rep<$config_reps;cur_rep++)) 309 do 310 configs_derep="$configs_derep $CF1" 311 done 312done 313touch $T/cfgcpu 314configs_derep="`echo $configs_derep | sed -e "s/\<CFLIST\>/$defaultconfigs/g"`" 315if test -n "$TORTURE_KCONFIG_GDB_ARG" 316then 317 if test "`echo $configs_derep | wc -w`" -gt 1 318 then 319 echo "The --config list is: $configs_derep." 320 echo "Only one --config permitted with --gdb, terminating." 321 exit 1 322 fi 323fi 324echo 'BEGIN {' > $T/cfgcpu.awk 325for CF1 in `echo $configs_derep | tr -s ' ' '\012' | sort -u` 326do 327 if test -f "$CONFIGFRAG/$CF1" 328 then 329 if echo "$TORTURE_KCONFIG_ARG" | grep -q '\<CONFIG_NR_CPUS=' 330 then 331 echo "$TORTURE_KCONFIG_ARG" | tr -s ' ' | tr ' ' '\012' > $T/KCONFIG_ARG 332 cpu_count=`configNR_CPUS.sh $T/KCONFIG_ARG` 333 else 334 cpu_count=`configNR_CPUS.sh $CONFIGFRAG/$CF1` 335 fi 336 cpu_count=`configfrag_boot_cpus "$TORTURE_BOOTARGS" "$CONFIGFRAG/$CF1" "$cpu_count"` 337 cpu_count=`configfrag_boot_maxcpus "$TORTURE_BOOTARGS" "$CONFIGFRAG/$CF1" "$cpu_count"` 338 echo 'scenariocpu["'"$CF1"'"] = '"$cpu_count"';' >> $T/cfgcpu.awk 339 else 340 echo "The --configs file $CF1 does not exist, terminating." 341 exit 1 342 fi 343done 344cat << '___EOF___' >> $T/cfgcpu.awk 345} 346{ 347 for (i = 1; i <= NF; i++) 348 print $i, scenariocpu[$i]; 349} 350___EOF___ 351echo $configs_derep | awk -f $T/cfgcpu.awk > $T/cfgcpu 352sort -k2nr $T/cfgcpu -T="$T" > $T/cfgcpu.sort 353 354# Use a greedy bin-packing algorithm, sorting the list accordingly. 355awk < $T/cfgcpu.sort > $T/cfgcpu.pack -v ncpus=$cpus ' 356BEGIN { 357 njobs = 0; 358} 359 360{ 361 # Read file of tests and corresponding required numbers of CPUs. 362 cf[njobs] = $1; 363 cpus[njobs] = $2; 364 njobs++; 365} 366 367END { 368 batch = 0; 369 nc = -1; 370 371 # Each pass through the following loop creates on test batch that 372 # can be executed concurrently given ncpus. Note that a given test 373 # that requires more than the available CPUs will run in its own 374 # batch. Such tests just have to make do with what is available. 375 while (nc != ncpus) { 376 batch++; 377 nc = ncpus; 378 379 # Each pass through the following loop considers one 380 # test for inclusion in the current batch. 381 for (i = 0; i < njobs; i++) { 382 if (done[i]) 383 continue; # Already part of a batch. 384 if (nc >= cpus[i] || nc == ncpus) { 385 386 # This test fits into the current batch. 387 done[i] = batch; 388 nc -= cpus[i]; 389 if (nc <= 0) 390 break; # Too-big test in its own batch. 391 } 392 } 393 } 394 395 # Dump out the tests in batch order. 396 for (b = 1; b <= batch; b++) 397 for (i = 0; i < njobs; i++) 398 if (done[i] == b) 399 print cf[i], cpus[i]; 400}' 401 402# Generate a script to execute the tests in appropriate batches. 403cat << ___EOF___ > $T/script 404CONFIGFRAG="$CONFIGFRAG"; export CONFIGFRAG 405RCUTORTURE="$RCUTORTURE"; export RCUTORTURE 406PATH="$PATH"; export PATH 407TORTURE_ALLOTED_CPUS="$TORTURE_ALLOTED_CPUS"; export TORTURE_ALLOTED_CPUS 408TORTURE_BOOT_IMAGE="$TORTURE_BOOT_IMAGE"; export TORTURE_BOOT_IMAGE 409TORTURE_BUILDONLY="$TORTURE_BUILDONLY"; export TORTURE_BUILDONLY 410TORTURE_DEFCONFIG="$TORTURE_DEFCONFIG"; export TORTURE_DEFCONFIG 411TORTURE_INITRD="$TORTURE_INITRD"; export TORTURE_INITRD 412TORTURE_KCONFIG_ARG="$TORTURE_KCONFIG_ARG"; export TORTURE_KCONFIG_ARG 413TORTURE_KCONFIG_GDB_ARG="$TORTURE_KCONFIG_GDB_ARG"; export TORTURE_KCONFIG_GDB_ARG 414TORTURE_BOOT_GDB_ARG="$TORTURE_BOOT_GDB_ARG"; export TORTURE_BOOT_GDB_ARG 415TORTURE_QEMU_GDB_ARG="$TORTURE_QEMU_GDB_ARG"; export TORTURE_QEMU_GDB_ARG 416TORTURE_KCONFIG_KASAN_ARG="$TORTURE_KCONFIG_KASAN_ARG"; export TORTURE_KCONFIG_KASAN_ARG 417TORTURE_KCONFIG_KCSAN_ARG="$TORTURE_KCONFIG_KCSAN_ARG"; export TORTURE_KCONFIG_KCSAN_ARG 418TORTURE_KMAKE_ARG="$TORTURE_KMAKE_ARG"; export TORTURE_KMAKE_ARG 419TORTURE_MOD="$TORTURE_MOD"; export TORTURE_MOD 420TORTURE_QEMU_CMD="$TORTURE_QEMU_CMD"; export TORTURE_QEMU_CMD 421TORTURE_QEMU_INTERACTIVE="$TORTURE_QEMU_INTERACTIVE"; export TORTURE_QEMU_INTERACTIVE 422TORTURE_QEMU_MAC="$TORTURE_QEMU_MAC"; export TORTURE_QEMU_MAC 423TORTURE_QEMU_MEM="$TORTURE_QEMU_MEM"; export TORTURE_QEMU_MEM 424TORTURE_SHUTDOWN_GRACE="$TORTURE_SHUTDOWN_GRACE"; export TORTURE_SHUTDOWN_GRACE 425TORTURE_SUITE="$TORTURE_SUITE"; export TORTURE_SUITE 426TORTURE_TRUST_MAKE="$TORTURE_TRUST_MAKE"; export TORTURE_TRUST_MAKE 427if ! test -e $resdir 428then 429 mkdir -p "$resdir" || : 430fi 431mkdir -p $resdir/$ds 432TORTURE_RESDIR="$resdir/$ds"; export TORTURE_RESDIR 433TORTURE_STOPFILE="$resdir/$ds/STOP.1"; export TORTURE_STOPFILE 434echo Results directory: $resdir/$ds 435echo $scriptname $args 436touch $resdir/$ds/log 437echo $scriptname $args >> $resdir/$ds/log 438echo ${TORTURE_SUITE} > $resdir/$ds/torture_suite 439echo Build directory: `pwd` > $resdir/$ds/testid.txt 440if test -d .git 441then 442 echo Current commit: `git rev-parse HEAD` >> $resdir/$ds/testid.txt 443 echo >> $resdir/$ds/testid.txt 444 echo ' ---' Output of "'"git status"'": >> $resdir/$ds/testid.txt 445 git status >> $resdir/$ds/testid.txt 446 echo >> $resdir/$ds/testid.txt 447 echo >> $resdir/$ds/testid.txt 448 echo ' ---' Output of "'"git diff HEAD"'": >> $resdir/$ds/testid.txt 449 git diff HEAD >> $resdir/$ds/testid.txt 450fi 451___EOF___ 452kvm-assign-cpus.sh /sys/devices/system/node > $T/cpuarray.awk 453kvm-get-cpus-script.sh $T/cpuarray.awk $T/dumpbatches.awk 454cat << '___EOF___' >> $T/dumpbatches.awk 455BEGIN { 456 i = 0; 457} 458 459{ 460 cf[i] = $1; 461 cpus[i] = $2; 462 i++; 463} 464 465# Dump out the scripting required to run one test batch. 466function dump(first, pastlast, batchnum, affinitylist) 467{ 468 print "echo ----Start batch " batchnum ": `date` | tee -a " rd "log"; 469 print "needqemurun=" 470 jn=1 471 njitter = 0; 472 split(jitter, ja); 473 if (ja[1] == -1 && ncpus == 0) 474 njitter = 1; 475 else if (ja[1] == -1) 476 njitter = ncpus; 477 else 478 njitter = ja[1]; 479 print "TORTURE_JITTER_START=\". jitterstart.sh " njitter " " rd " " dur " " ja[2] " " ja[3] "\"; export TORTURE_JITTER_START"; 480 print "TORTURE_JITTER_STOP=\". jitterstop.sh " rd " \"; export TORTURE_JITTER_STOP" 481 for (j = first; j < pastlast; j++) { 482 cpusr[jn] = cpus[j]; 483 if (cfrep[cf[j]] == "") { 484 cfr[jn] = cf[j]; 485 cfrep[cf[j]] = 1; 486 } else { 487 cfrep[cf[j]]++; 488 cfr[jn] = cf[j] "." cfrep[cf[j]]; 489 } 490 builddir=rd cfr[jn] "/build"; 491 if (cpusr[jn] > ncpus && ncpus != 0) 492 ovf = "-ovf"; 493 else 494 ovf = ""; 495 print "echo ", cfr[jn], cpusr[jn] ovf ": Starting build. `date` | tee -a " rd "log"; 496 print "mkdir " rd cfr[jn] " || :"; 497 print "touch " builddir ".wait"; 498 affinitylist = ""; 499 if (gotcpus()) { 500 affinitylist = nextcpus(cpusr[jn]); 501 } 502 if (affinitylist ~ /^[0-9,-][0-9,-]*$/) 503 print "export TORTURE_AFFINITY=" affinitylist; 504 else 505 print "export TORTURE_AFFINITY="; 506 print "kvm-test-1-run.sh " CONFIGDIR cf[j], rd cfr[jn], dur " \"" TORTURE_QEMU_ARG "\" \"" TORTURE_BOOTARGS "\" > " rd cfr[jn] "/kvm-test-1-run.sh.out 2>&1 &" 507 print "echo ", cfr[jn], cpusr[jn] ovf ": Waiting for build to complete. `date` | tee -a " rd "log"; 508 print "while test -f " builddir ".wait" 509 print "do" 510 print "\tsleep 1" 511 print "done" 512 print "echo ", cfr[jn], cpusr[jn] ovf ": Build complete. `date` | tee -a " rd "log"; 513 jn++; 514 } 515 print "runfiles=" 516 for (j = 1; j < jn; j++) { 517 builddir=rd cfr[j] "/build"; 518 if (TORTURE_BUILDONLY) 519 print "rm -f " builddir ".ready" 520 else 521 print "mv " builddir ".ready " builddir ".run" 522 print "runfiles=\"$runfiles " builddir ".run\"" 523 fi 524 print "if test -f \"" rd cfr[j] "/builtkernel\"" 525 print "then" 526 print "\techo ----", cfr[j], cpusr[j] ovf ": Kernel present. `date` | tee -a " rd "log"; 527 print "\tneedqemurun=1" 528 print "fi" 529 } 530 if (TORTURE_BUILDONLY && njitter != 0) { 531 njitter = 0; 532 print "echo Build-only run, so suppressing jitter | tee -a " rd "log" 533 } 534 if (TORTURE_BUILDONLY) { 535 print "needqemurun=" 536 } 537 print "if test -n \"$needqemurun\"" 538 print "then" 539 print "\techo ---- Starting kernels. `date` | tee -a " rd "log"; 540 print "\t$TORTURE_JITTER_START"; 541 print "\twhile ls $runfiles > /dev/null 2>&1" 542 print "\tdo" 543 print "\t\t:" 544 print "\tdone" 545 print "\t$TORTURE_JITTER_STOP"; 546 print "\techo ---- All kernel runs complete. `date` | tee -a " rd "log"; 547 print "else" 548 print "\twait" 549 print "\techo ---- No kernel runs. `date` | tee -a " rd "log"; 550 print "fi" 551 for (j = 1; j < jn; j++) { 552 print "echo ----", cfr[j], cpusr[j] ovf ": Build/run results: | tee -a " rd "log"; 553 print "cat " rd cfr[j] "/kvm-test-1-run.sh.out | tee -a " rd "log"; 554 } 555} 556 557END { 558 njobs = i; 559 nc = ncpus; 560 first = 0; 561 batchnum = 1; 562 563 # Each pass through the following loop considers one test. 564 for (i = 0; i < njobs; i++) { 565 if (ncpus == 0) { 566 # Sequential test specified, each test its own batch. 567 dump(i, i + 1, batchnum); 568 first = i; 569 batchnum++; 570 } else if (nc < cpus[i] && i != 0) { 571 # Out of CPUs, dump out a batch. 572 dump(first, i, batchnum); 573 first = i; 574 nc = ncpus; 575 batchnum++; 576 } 577 # Account for the CPUs needed by the current test. 578 nc -= cpus[i]; 579 } 580 # Dump the last batch. 581 if (ncpus != 0) 582 dump(first, i, batchnum); 583} 584___EOF___ 585awk < $T/cfgcpu.pack \ 586 -v TORTURE_BUILDONLY="$TORTURE_BUILDONLY" \ 587 -v CONFIGDIR="$CONFIGFRAG/" \ 588 -v RCUTORTURE="$RCUTORTURE" \ 589 -v ncpus=$cpus \ 590 -v jitter="$jitter" \ 591 -v rd=$resdir/$ds/ \ 592 -v dur=$dur \ 593 -v TORTURE_QEMU_ARG="$TORTURE_QEMU_ARG" \ 594 -v TORTURE_BOOTARGS="$TORTURE_BOOTARGS" \ 595 -f $T/dumpbatches.awk >> $T/script 596echo kvm-end-run-stats.sh "$resdir/$ds" "$starttime" >> $T/script 597 598# Extract the tests and their batches from the script. 599grep -E 'Start batch|Starting build\.' $T/script | grep -v ">>" | 600 sed -e 's/:.*$//' -e 's/^echo //' -e 's/-ovf//' | 601 awk ' 602 /^----Start/ { 603 batchno = $3; 604 next; 605 } 606 { 607 print batchno, $1, $2 608 }' > $T/batches 609 610# As above, but one line per batch. 611grep -v '^#' $T/batches | awk ' 612BEGIN { 613 oldbatch = 1; 614} 615 616{ 617 if (oldbatch != $1) { 618 print ++n ". " curbatch; 619 curbatch = ""; 620 oldbatch = $1; 621 } 622 curbatch = curbatch " " $2; 623} 624 625END { 626 print ++n ". " curbatch; 627}' > $T/scenarios 628 629if test "$dryrun" = script 630then 631 cat $T/script 632 exit 0 633elif test "$dryrun" = sched 634then 635 # Extract the test run schedule from the script. 636 grep -E 'Start batch|Starting build\.' $T/script | grep -v ">>" | 637 sed -e 's/:.*$//' -e 's/^echo //' 638 nbuilds="`grep 'Starting build\.' $T/script | 639 grep -v ">>" | sed -e 's/:.*$//' -e 's/^echo //' | 640 awk '{ print $1 }' | grep -v '\.' | wc -l`" 641 echo Total number of builds: $nbuilds 642 nbatches="`grep 'Start batch' $T/script | grep -v ">>" | wc -l`" 643 echo Total number of batches: $nbatches 644 exit 0 645elif test "$dryrun" = batches 646then 647 cat $T/batches 648 exit 0 649elif test "$dryrun" = scenarios 650then 651 cat $T/scenarios 652 exit 0 653else 654 # Not a dryrun. Record the batches and the number of CPUs, then run the script. 655 bash $T/script 656 ret=$? 657 cp $T/batches $resdir/$ds/batches 658 cp $T/scenarios $resdir/$ds/scenarios 659 echo '#' cpus=$cpus >> $resdir/$ds/batches 660 exit $ret 661fi 662 663# Tracing: trace_event=rcu:rcu_grace_period,rcu:rcu_future_grace_period,rcu:rcu_grace_period_init,rcu:rcu_nocb_wake,rcu:rcu_preempt_task,rcu:rcu_unlock_preempted_task,rcu:rcu_quiescent_state_report,rcu:rcu_fqs,rcu:rcu_callback,rcu:rcu_kfree_callback,rcu:rcu_batch_start,rcu:rcu_invoke_callback,rcu:rcu_invoke_kfree_callback,rcu:rcu_batch_end,rcu:rcu_torture_read,rcu:rcu_barrier 664# Function-graph tracing: ftrace=function_graph ftrace_graph_filter=sched_setaffinity,migration_cpu_stop 665# Also --kconfig "CONFIG_FUNCTION_TRACER=y CONFIG_FUNCTION_GRAPH_TRACER=y" 666# Control buffer size: --bootargs trace_buf_size=3k 667# Get trace-buffer dumps on all oopses: --bootargs ftrace_dump_on_oops 668# Ditto, but dump only the oopsing CPU: --bootargs ftrace_dump_on_oops=orig_cpu 669# Heavy-handed way to also dump on warnings: --bootargs panic_on_warn=1 670