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