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c87b9c60 PM |
1 | #!/bin/bash |
2 | # | |
3 | # Run a series of 14 tests under KVM. These are not particularly | |
4 | # well-selected or well-tuned, but are the current set. Run from the | |
5 | # top level of the source tree. | |
6 | # | |
7 | # Edit the definitions below to set the locations of the various directories, | |
8 | # as well as the test duration. | |
9 | # | |
10 | # Usage: sh kvm.sh [ options ] | |
11 | # | |
12 | # This program is free software; you can redistribute it and/or modify | |
13 | # it under the terms of the GNU General Public License as published by | |
14 | # the Free Software Foundation; either version 2 of the License, or | |
15 | # (at your option) any later version. | |
16 | # | |
17 | # This program is distributed in the hope that it will be useful, | |
18 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | # GNU General Public License for more details. | |
21 | # | |
22 | # You should have received a copy of the GNU General Public License | |
0e342a87 PM |
23 | # along with this program; if not, you can access it online at |
24 | # http://www.gnu.org/licenses/gpl-2.0.html. | |
c87b9c60 PM |
25 | # |
26 | # Copyright (C) IBM Corporation, 2011 | |
27 | # | |
28 | # Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> | |
29 | ||
30 | scriptname=$0 | |
330a76f1 | 31 | args="$*" |
c87b9c60 | 32 | |
43e38ab3 PM |
33 | T=/tmp/kvm.sh.$$ |
34 | trap 'rm -rf $T' 0 | |
35 | mkdir $T | |
36 | ||
c87b9c60 | 37 | dur=30 |
a7582815 | 38 | dryrun="" |
73931b5e | 39 | KVM="`pwd`/tools/testing/selftests/rcutorture"; export KVM |
32caccb8 | 40 | PATH=${KVM}/bin:$PATH; export PATH |
8c55f227 | 41 | TORTURE_DEFCONFIG=defconfig |
f189cc8c | 42 | TORTURE_BOOT_IMAGE="" |
2f66dbc1 | 43 | TORTURE_INITRD="$KVM/initrd"; export TORTURE_INITRD |
58d280bd | 44 | TORTURE_KMAKE_ARG="" |
61010e74 | 45 | TORTURE_SUITE=rcu |
c87b9c60 | 46 | resdir="" |
4275be83 | 47 | configs="" |
43e38ab3 | 48 | cpus=0 |
847bfd25 | 49 | ds=`date +%Y.%m.%d-%H:%M:%S` |
bb918535 | 50 | kversion="" |
c87b9c60 | 51 | |
32caccb8 PM |
52 | . functions.sh |
53 | ||
c87b9c60 PM |
54 | usage () { |
55 | echo "Usage: $scriptname optional arguments:" | |
7dca9273 | 56 | echo " --bootargs kernel-boot-arguments" |
f189cc8c | 57 | echo " --bootimage relative-path-to-kernel-boot-image" |
11274813 | 58 | echo " --buildonly" |
c87b9c60 | 59 | echo " --configs \"config-file list\"" |
43e38ab3 | 60 | echo " --cpus N" |
847bfd25 | 61 | echo " --datestamp string" |
8c55f227 | 62 | echo " --defconfig string" |
a7582815 | 63 | echo " --dryrun sched|script" |
c87b9c60 | 64 | echo " --duration minutes" |
315c540d | 65 | echo " --interactive" |
74878fb6 | 66 | echo " --kmake-arg kernel-make-arguments" |
bb918535 | 67 | echo " --kversion vN.NN" |
315c540d | 68 | echo " --mac nn:nn:nn:nn:nn:nn" |
73931b5e | 69 | echo " --no-initrd" |
e9ce6400 | 70 | echo " --qemu-args qemu-system-..." |
4f8a0312 | 71 | echo " --qemu-cmd qemu-system-..." |
61010e74 PM |
72 | echo " --results absolute-pathname" |
73 | echo " --torture rcu" | |
c87b9c60 PM |
74 | exit 1 |
75 | } | |
76 | ||
c87b9c60 PM |
77 | while test $# -gt 0 |
78 | do | |
c87b9c60 | 79 | case "$1" in |
7dca9273 PM |
80 | --bootargs) |
81 | checkarg --bootargs "(list of kernel boot arguments)" "$#" "$2" '.*' '^--' | |
98bc8cc8 | 82 | TORTURE_BOOTARGS="$2" |
7dca9273 PM |
83 | shift |
84 | ;; | |
f189cc8c PM |
85 | --bootimage) |
86 | checkarg --bootimage "(relative path to kernel boot image)" "$#" "$2" '[a-zA-Z0-9][a-zA-Z0-9_]*' '^--' | |
87 | TORTURE_BOOT_IMAGE="$2" | |
88 | shift | |
89 | ;; | |
11274813 | 90 | --buildonly) |
805ffee2 | 91 | TORTURE_BUILDONLY=1 |
11274813 | 92 | ;; |
c87b9c60 PM |
93 | --configs) |
94 | checkarg --configs "(list of config files)" "$#" "$2" '^[^/]*$' '^--' | |
95 | configs="$2" | |
96 | shift | |
97 | ;; | |
43e38ab3 PM |
98 | --cpus) |
99 | checkarg --cpus "(number)" "$#" "$2" '^[0-9]*$' '^--' | |
100 | cpus=$2 | |
101 | shift | |
102 | ;; | |
847bfd25 PM |
103 | --datestamp) |
104 | checkarg --datestamp "(relative pathname)" "$#" "$2" '^[^/]*$' '^--' | |
105 | ds=$2 | |
106 | shift | |
107 | ;; | |
8c55f227 PM |
108 | --defconfig) |
109 | checkarg --defconfig "defconfigtype" "$#" "$2" '^[^/][^/]*$' '^--' | |
110 | TORTURE_DEFCONFIG=$2 | |
111 | shift | |
112 | ;; | |
a7582815 PM |
113 | --dryrun) |
114 | checkarg --dryrun "sched|script" $# "$2" 'sched\|script' '^--' | |
115 | dryrun=$2 | |
116 | shift | |
117 | ;; | |
c87b9c60 | 118 | --duration) |
e9ce6400 | 119 | checkarg --duration "(minutes)" $# "$2" '^[0-9]*$' '^error' |
c87b9c60 PM |
120 | dur=$2 |
121 | shift | |
122 | ;; | |
315c540d | 123 | --interactive) |
a0edd47c | 124 | TORTURE_QEMU_INTERACTIVE=1; export TORTURE_QEMU_INTERACTIVE |
315c540d | 125 | ;; |
74878fb6 PM |
126 | --kmake-arg) |
127 | checkarg --kmake-arg "(kernel make arguments)" $# "$2" '.*' '^error$' | |
58d280bd | 128 | TORTURE_KMAKE_ARG="$2" |
74878fb6 PM |
129 | shift |
130 | ;; | |
bb918535 | 131 | --kversion) |
e9ce6400 | 132 | checkarg --kversion "(kernel version)" $# "$2" '^v[0-9.]*$' '^error' |
bb918535 PM |
133 | kversion=$2 |
134 | shift | |
135 | ;; | |
315c540d PM |
136 | --mac) |
137 | checkarg --mac "(MAC address)" $# "$2" '^\([0-9a-fA-F]\{2\}:\)\{5\}[0-9a-fA-F]\{2\}$' error | |
58f724f7 | 138 | TORTURE_QEMU_MAC=$2 |
315c540d PM |
139 | shift |
140 | ;; | |
73931b5e | 141 | --no-initrd) |
2f66dbc1 | 142 | TORTURE_INITRD=""; export TORTURE_INITRD |
73931b5e | 143 | ;; |
e9ce6400 PM |
144 | --qemu-args) |
145 | checkarg --qemu-args "-qemu args" $# "$2" '^-' '^error' | |
d1b1e517 | 146 | TORTURE_QEMU_ARG="$2" |
e9ce6400 PM |
147 | shift |
148 | ;; | |
4f8a0312 PM |
149 | --qemu-cmd) |
150 | checkarg --qemu-cmd "(qemu-system-...)" $# "$2" 'qemu-system-' '^--' | |
250da31e | 151 | TORTURE_QEMU_CMD="$2" |
4f8a0312 PM |
152 | shift |
153 | ;; | |
c87b9c60 | 154 | --results) |
e9ce6400 | 155 | checkarg --results "(absolute pathname)" "$#" "$2" '^/' '^error' |
c87b9c60 PM |
156 | resdir=$2 |
157 | shift | |
158 | ;; | |
61010e74 | 159 | --torture) |
9dfa5b35 | 160 | checkarg --torture "(suite name)" "$#" "$2" '^\(lock\|rcu\)$' '^--' |
61010e74 PM |
161 | TORTURE_SUITE=$2 |
162 | shift | |
163 | ;; | |
c87b9c60 | 164 | *) |
2bcdf4e3 | 165 | echo Unknown argument $1 |
c87b9c60 PM |
166 | usage |
167 | ;; | |
168 | esac | |
169 | shift | |
170 | done | |
171 | ||
61010e74 | 172 | CONFIGFRAG=${KVM}/configs/${TORTURE_SUITE}; export CONFIGFRAG |
4275be83 PM |
173 | KVPATH=${CONFIGFRAG}/$kversion; export KVPATH |
174 | ||
175 | if test -z "$configs" | |
176 | then | |
177 | configs="`cat $CONFIGFRAG/$kversion/CFLIST`" | |
178 | fi | |
c87b9c60 PM |
179 | |
180 | if test -z "$resdir" | |
181 | then | |
182 | resdir=$KVM/res | |
daeda23d PM |
183 | fi |
184 | ||
78ad0693 | 185 | # Create a file of test-name/#cpus pairs, sorted by decreasing #cpus. |
43e38ab3 | 186 | touch $T/cfgcpu |
c87b9c60 PM |
187 | for CF in $configs |
188 | do | |
43e38ab3 | 189 | if test -f "$CONFIGFRAG/$kversion/$CF" |
f43f8f73 | 190 | then |
43e38ab3 PM |
191 | echo $CF `configNR_CPUS.sh $CONFIGFRAG/$kversion/$CF` >> $T/cfgcpu |
192 | else | |
193 | echo "The --configs file $CF does not exist, terminating." | |
194 | exit 1 | |
f43f8f73 | 195 | fi |
c87b9c60 | 196 | done |
43e38ab3 PM |
197 | sort -k2nr $T/cfgcpu > $T/cfgcpu.sort |
198 | ||
78ad0693 | 199 | # Use a greedy bin-packing algorithm, sorting the list accordingly. |
53954671 PM |
200 | awk < $T/cfgcpu.sort > $T/cfgcpu.pack -v ncpus=$cpus ' |
201 | BEGIN { | |
202 | njobs = 0; | |
203 | } | |
204 | ||
205 | { | |
78ad0693 | 206 | # Read file of tests and corresponding required numbers of CPUs. |
53954671 PM |
207 | cf[njobs] = $1; |
208 | cpus[njobs] = $2; | |
209 | njobs++; | |
210 | } | |
211 | ||
212 | END { | |
213 | alldone = 0; | |
214 | batch = 0; | |
215 | nc = -1; | |
78ad0693 PM |
216 | |
217 | # Each pass through the following loop creates on test batch | |
218 | # that can be executed concurrently given ncpus. Note that a | |
219 | # given test that requires more than the available CPUs will run in | |
220 | # their own batch. Such tests just have to make do with what | |
221 | # is available. | |
53954671 PM |
222 | while (nc != ncpus) { |
223 | batch++; | |
224 | nc = ncpus; | |
78ad0693 PM |
225 | |
226 | # Each pass through the following loop considers one | |
227 | # test for inclusion in the current batch. | |
53954671 PM |
228 | for (i = 0; i < njobs; i++) { |
229 | if (done[i]) | |
78ad0693 | 230 | continue; # Already part of a batch. |
53954671 | 231 | if (nc >= cpus[i] || nc == ncpus) { |
78ad0693 PM |
232 | |
233 | # This test fits into the current batch. | |
53954671 PM |
234 | done[i] = batch; |
235 | nc -= cpus[i]; | |
236 | if (nc <= 0) | |
78ad0693 | 237 | break; # Too-big test in its own batch. |
53954671 PM |
238 | } |
239 | } | |
240 | } | |
78ad0693 PM |
241 | |
242 | # Dump out the tests in batch order. | |
53954671 PM |
243 | for (b = 1; b <= batch; b++) |
244 | for (i = 0; i < njobs; i++) | |
245 | if (done[i] == b) | |
246 | print cf[i], cpus[i]; | |
247 | }' | |
248 | ||
78ad0693 | 249 | # Generate a script to execute the tests in appropriate batches. |
61010e74 | 250 | cat << ___EOF___ > $T/script |
14d9d84c PM |
251 | CONFIGFRAG="$CONFIGFRAG"; export CONFIGFRAG |
252 | KVM="$KVM"; export KVM | |
253 | KVPATH="$KVPATH"; export KVPATH | |
254 | PATH="$PATH"; export PATH | |
f189cc8c | 255 | TORTURE_BOOT_IMAGE="$TORTURE_BOOT_IMAGE"; export TORTURE_BOOT_IMAGE |
14d9d84c | 256 | TORTURE_BUILDONLY="$TORTURE_BUILDONLY"; export TORTURE_BUILDONLY |
8c55f227 | 257 | TORTURE_DEFCONFIG="$TORTURE_DEFCONFIG"; export TORTURE_DEFCONFIG |
14d9d84c PM |
258 | TORTURE_INITRD="$TORTURE_INITRD"; export TORTURE_INITRD |
259 | TORTURE_KMAKE_ARG="$TORTURE_KMAKE_ARG"; export TORTURE_KMAKE_ARG | |
260 | TORTURE_QEMU_CMD="$TORTURE_QEMU_CMD"; export TORTURE_QEMU_CMD | |
261 | TORTURE_QEMU_INTERACTIVE="$TORTURE_QEMU_INTERACTIVE"; export TORTURE_QEMU_INTERACTIVE | |
262 | TORTURE_QEMU_MAC="$TORTURE_QEMU_MAC"; export TORTURE_QEMU_MAC | |
263 | TORTURE_SUITE="$TORTURE_SUITE"; export TORTURE_SUITE | |
1f5d0920 PM |
264 | if ! test -e $resdir |
265 | then | |
266 | mkdir -p "$resdir" || : | |
267 | fi | |
268 | mkdir $resdir/$ds | |
269 | echo Results directory: $resdir/$ds | |
270 | echo $scriptname $args | |
271 | touch $resdir/$ds/log | |
272 | echo $scriptname $args >> $resdir/$ds/log | |
273 | echo ${TORTURE_SUITE} > $resdir/$ds/TORTURE_SUITE | |
274 | pwd > $resdir/$ds/testid.txt | |
275 | if test -d .git | |
276 | then | |
277 | git status >> $resdir/$ds/testid.txt | |
278 | git rev-parse HEAD >> $resdir/$ds/testid.txt | |
279 | fi | |
61010e74 | 280 | ___EOF___ |
53954671 | 281 | awk < $T/cfgcpu.pack \ |
43e38ab3 PM |
282 | -v CONFIGDIR="$CONFIGFRAG/$kversion/" \ |
283 | -v KVM="$KVM" \ | |
284 | -v ncpus=$cpus \ | |
285 | -v rd=$resdir/$ds/ \ | |
286 | -v dur=$dur \ | |
06188731 PM |
287 | -v TORTURE_QEMU_ARG="$TORTURE_QEMU_ARG" \ |
288 | -v TORTURE_BOOTARGS="$TORTURE_BOOTARGS" \ | |
43e38ab3 PM |
289 | 'BEGIN { |
290 | i = 0; | |
291 | } | |
292 | ||
293 | { | |
294 | cf[i] = $1; | |
295 | cpus[i] = $2; | |
296 | i++; | |
297 | } | |
298 | ||
78ad0693 | 299 | # Dump out the scripting required to run one test batch. |
43e38ab3 PM |
300 | function dump(first, pastlast) |
301 | { | |
73fa867e PM |
302 | print "echo ----Start batch: `date`"; |
303 | print "echo ----Start batch: `date` >> " rd "/log"; | |
43e38ab3 PM |
304 | jn=1 |
305 | for (j = first; j < pastlast; j++) { | |
306 | builddir=KVM "/b" jn | |
0ae3f73a | 307 | cpusr[jn] = cpus[j]; |
43e38ab3 | 308 | if (cfrep[cf[j]] == "") { |
0ae3f73a | 309 | cfr[jn] = cf[j]; |
43e38ab3 PM |
310 | cfrep[cf[j]] = 1; |
311 | } else { | |
312 | cfrep[cf[j]]++; | |
0ae3f73a | 313 | cfr[jn] = cf[j] "." cfrep[cf[j]]; |
43e38ab3 | 314 | } |
df1cc81b PM |
315 | if (cpusr[jn] > ncpus && ncpus != 0) |
316 | ovf = "(!)"; | |
317 | else | |
318 | ovf = ""; | |
3c626237 | 319 | print "echo ", cfr[jn], cpusr[jn] ovf ": Starting build. `date`"; |
73fa867e | 320 | print "echo ", cfr[jn], cpusr[jn] ovf ": Starting build. `date` >> " rd "/log"; |
0ae3f73a PM |
321 | print "rm -f " builddir ".*"; |
322 | print "touch " builddir ".wait"; | |
323 | print "mkdir " builddir " > /dev/null 2>&1 || :"; | |
324 | print "mkdir " rd cfr[jn] " || :"; | |
d1b1e517 | 325 | print "kvm-test-1-run.sh " CONFIGDIR cf[j], builddir, rd cfr[jn], dur " \"" TORTURE_QEMU_ARG "\" \"" TORTURE_BOOTARGS "\" > " rd cfr[jn] "/kvm-test-1-run.sh.out 2>&1 &" |
73fa867e PM |
326 | print "echo ", cfr[jn], cpusr[jn] ovf ": Waiting for build to complete. `date`"; |
327 | print "echo ", cfr[jn], cpusr[jn] ovf ": Waiting for build to complete. `date` >> " rd "/log"; | |
43e38ab3 PM |
328 | print "while test -f " builddir ".wait" |
329 | print "do" | |
330 | print "\tsleep 1" | |
331 | print "done" | |
73fa867e PM |
332 | print "echo ", cfr[jn], cpusr[jn] ovf ": Build complete. `date`"; |
333 | print "echo ", cfr[jn], cpusr[jn] ovf ": Build complete. `date` >> " rd "/log"; | |
43e38ab3 PM |
334 | jn++; |
335 | } | |
43e38ab3 PM |
336 | for (j = 1; j < jn; j++) { |
337 | builddir=KVM "/b" j | |
338 | print "rm -f " builddir ".ready" | |
73fa867e PM |
339 | print "echo ----", cfr[j], cpusr[j] ovf ": Starting kernel. `date`"; |
340 | print "echo ----", cfr[j], cpusr[j] ovf ": Starting kernel. `date` >> " rd "/log"; | |
43e38ab3 PM |
341 | } |
342 | print "wait" | |
73fa867e PM |
343 | print "echo ---- All kernel runs complete. `date`"; |
344 | print "echo ---- All kernel runs complete. `date` >> " rd "/log"; | |
43e38ab3 PM |
345 | for (j = 1; j < jn; j++) { |
346 | builddir=KVM "/b" j | |
73fa867e PM |
347 | print "echo ----", cfr[j], cpusr[j] ovf ": Build/run results:"; |
348 | print "echo ----", cfr[j], cpusr[j] ovf ": Build/run results: >> " rd "/log"; | |
349 | print "cat " rd cfr[j] "/kvm-test-1-run.sh.out"; | |
350 | print "cat " rd cfr[j] "/kvm-test-1-run.sh.out >> " rd "/log"; | |
43e38ab3 PM |
351 | } |
352 | } | |
353 | ||
354 | END { | |
355 | njobs = i; | |
356 | nc = ncpus; | |
357 | first = 0; | |
78ad0693 PM |
358 | |
359 | # Each pass through the following loop considers one test. | |
43e38ab3 PM |
360 | for (i = 0; i < njobs; i++) { |
361 | if (ncpus == 0) { | |
78ad0693 | 362 | # Sequential test specified, each test its own batch. |
43e38ab3 PM |
363 | dump(i, i + 1); |
364 | first = i; | |
365 | } else if (nc < cpus[i] && i != 0) { | |
78ad0693 | 366 | # Out of CPUs, dump out a batch. |
43e38ab3 PM |
367 | dump(first, i); |
368 | first = i; | |
369 | nc = ncpus; | |
370 | } | |
78ad0693 | 371 | # Account for the CPUs needed by the current test. |
43e38ab3 PM |
372 | nc -= cpus[i]; |
373 | } | |
78ad0693 | 374 | # Dump the last batch. |
43e38ab3 PM |
375 | if (ncpus != 0) |
376 | dump(first, i); | |
61010e74 | 377 | }' >> $T/script |
43e38ab3 | 378 | |
1f5d0920 PM |
379 | cat << ___EOF___ >> $T/script |
380 | echo | |
381 | echo | |
382 | echo " --- `date` Test summary:" | |
383 | echo Results directory: $resdir/$ds | |
384 | if test -z "$TORTURE_BUILDONLY" | |
385 | then | |
386 | kvm-recheck.sh $resdir/$ds | |
387 | fi | |
388 | ___EOF___ | |
389 | ||
a7582815 PM |
390 | if test "$dryrun" = script |
391 | then | |
a7582815 PM |
392 | cat $T/script |
393 | exit 0 | |
394 | elif test "$dryrun" = sched | |
395 | then | |
78ad0693 | 396 | # Extract the test run schedule from the script. |
9352ad13 PM |
397 | egrep 'Start batch|Starting build\.' $T/script | |
398 | grep -v ">>" | | |
a7582815 PM |
399 | sed -e 's/:.*$//' -e 's/^echo //' |
400 | exit 0 | |
401 | else | |
78ad0693 | 402 | # Not a dryru, so run the script. |
a7582815 PM |
403 | sh $T/script |
404 | fi | |
43e38ab3 | 405 | |
782ab4cd | 406 | # 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 |