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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:$PATH; export PATH |
8c55f227 | 41 | TORTURE_DEFCONFIG=defconfig |
2f66dbc1 | 42 | TORTURE_INITRD="$KVM/initrd"; export TORTURE_INITRD |
58d280bd | 43 | TORTURE_KMAKE_ARG="" |
61010e74 | 44 | TORTURE_SUITE=rcu |
c87b9c60 | 45 | resdir="" |
4275be83 | 46 | configs="" |
43e38ab3 | 47 | cpus=0 |
847bfd25 | 48 | ds=`date +%Y.%m.%d-%H:%M:%S` |
bb918535 | 49 | kversion="" |
c87b9c60 | 50 | |
32caccb8 PM |
51 | . functions.sh |
52 | ||
c87b9c60 PM |
53 | usage () { |
54 | echo "Usage: $scriptname optional arguments:" | |
7dca9273 | 55 | echo " --bootargs kernel-boot-arguments" |
11274813 | 56 | echo " --buildonly" |
c87b9c60 | 57 | echo " --configs \"config-file list\"" |
43e38ab3 | 58 | echo " --cpus N" |
847bfd25 | 59 | echo " --datestamp string" |
8c55f227 | 60 | echo " --defconfig string" |
a7582815 | 61 | echo " --dryrun sched|script" |
c87b9c60 | 62 | echo " --duration minutes" |
315c540d | 63 | echo " --interactive" |
74878fb6 | 64 | echo " --kmake-arg kernel-make-arguments" |
bb918535 | 65 | echo " --kversion vN.NN" |
315c540d | 66 | echo " --mac nn:nn:nn:nn:nn:nn" |
73931b5e | 67 | echo " --no-initrd" |
e9ce6400 | 68 | echo " --qemu-args qemu-system-..." |
4f8a0312 | 69 | echo " --qemu-cmd qemu-system-..." |
61010e74 PM |
70 | echo " --results absolute-pathname" |
71 | echo " --torture rcu" | |
c87b9c60 PM |
72 | exit 1 |
73 | } | |
74 | ||
c87b9c60 PM |
75 | while test $# -gt 0 |
76 | do | |
c87b9c60 | 77 | case "$1" in |
7dca9273 PM |
78 | --bootargs) |
79 | checkarg --bootargs "(list of kernel boot arguments)" "$#" "$2" '.*' '^--' | |
98bc8cc8 | 80 | TORTURE_BOOTARGS="$2" |
7dca9273 PM |
81 | shift |
82 | ;; | |
11274813 | 83 | --buildonly) |
805ffee2 | 84 | TORTURE_BUILDONLY=1 |
11274813 | 85 | ;; |
c87b9c60 PM |
86 | --configs) |
87 | checkarg --configs "(list of config files)" "$#" "$2" '^[^/]*$' '^--' | |
88 | configs="$2" | |
89 | shift | |
90 | ;; | |
43e38ab3 PM |
91 | --cpus) |
92 | checkarg --cpus "(number)" "$#" "$2" '^[0-9]*$' '^--' | |
93 | cpus=$2 | |
94 | shift | |
95 | ;; | |
847bfd25 PM |
96 | --datestamp) |
97 | checkarg --datestamp "(relative pathname)" "$#" "$2" '^[^/]*$' '^--' | |
98 | ds=$2 | |
99 | shift | |
100 | ;; | |
8c55f227 PM |
101 | --defconfig) |
102 | checkarg --defconfig "defconfigtype" "$#" "$2" '^[^/][^/]*$' '^--' | |
103 | TORTURE_DEFCONFIG=$2 | |
104 | shift | |
105 | ;; | |
a7582815 PM |
106 | --dryrun) |
107 | checkarg --dryrun "sched|script" $# "$2" 'sched\|script' '^--' | |
108 | dryrun=$2 | |
109 | shift | |
110 | ;; | |
c87b9c60 | 111 | --duration) |
e9ce6400 | 112 | checkarg --duration "(minutes)" $# "$2" '^[0-9]*$' '^error' |
c87b9c60 PM |
113 | dur=$2 |
114 | shift | |
115 | ;; | |
315c540d | 116 | --interactive) |
a0edd47c | 117 | TORTURE_QEMU_INTERACTIVE=1; export TORTURE_QEMU_INTERACTIVE |
315c540d | 118 | ;; |
74878fb6 PM |
119 | --kmake-arg) |
120 | checkarg --kmake-arg "(kernel make arguments)" $# "$2" '.*' '^error$' | |
58d280bd | 121 | TORTURE_KMAKE_ARG="$2" |
74878fb6 PM |
122 | shift |
123 | ;; | |
bb918535 | 124 | --kversion) |
e9ce6400 | 125 | checkarg --kversion "(kernel version)" $# "$2" '^v[0-9.]*$' '^error' |
bb918535 PM |
126 | kversion=$2 |
127 | shift | |
128 | ;; | |
315c540d PM |
129 | --mac) |
130 | checkarg --mac "(MAC address)" $# "$2" '^\([0-9a-fA-F]\{2\}:\)\{5\}[0-9a-fA-F]\{2\}$' error | |
58f724f7 | 131 | TORTURE_QEMU_MAC=$2 |
315c540d PM |
132 | shift |
133 | ;; | |
73931b5e | 134 | --no-initrd) |
2f66dbc1 | 135 | TORTURE_INITRD=""; export TORTURE_INITRD |
73931b5e | 136 | ;; |
e9ce6400 PM |
137 | --qemu-args) |
138 | checkarg --qemu-args "-qemu args" $# "$2" '^-' '^error' | |
d1b1e517 | 139 | TORTURE_QEMU_ARG="$2" |
e9ce6400 PM |
140 | shift |
141 | ;; | |
4f8a0312 PM |
142 | --qemu-cmd) |
143 | checkarg --qemu-cmd "(qemu-system-...)" $# "$2" 'qemu-system-' '^--' | |
144 | RCU_QEMU_CMD="$2"; export RCU_QEMU_CMD | |
145 | shift | |
146 | ;; | |
c87b9c60 | 147 | --results) |
e9ce6400 | 148 | checkarg --results "(absolute pathname)" "$#" "$2" '^/' '^error' |
c87b9c60 PM |
149 | resdir=$2 |
150 | shift | |
151 | ;; | |
61010e74 | 152 | --torture) |
9dfa5b35 | 153 | checkarg --torture "(suite name)" "$#" "$2" '^\(lock\|rcu\)$' '^--' |
61010e74 PM |
154 | TORTURE_SUITE=$2 |
155 | shift | |
156 | ;; | |
c87b9c60 | 157 | *) |
2bcdf4e3 | 158 | echo Unknown argument $1 |
c87b9c60 PM |
159 | usage |
160 | ;; | |
161 | esac | |
162 | shift | |
163 | done | |
164 | ||
61010e74 | 165 | CONFIGFRAG=${KVM}/configs/${TORTURE_SUITE}; export CONFIGFRAG |
4275be83 PM |
166 | KVPATH=${CONFIGFRAG}/$kversion; export KVPATH |
167 | ||
168 | if test -z "$configs" | |
169 | then | |
170 | configs="`cat $CONFIGFRAG/$kversion/CFLIST`" | |
171 | fi | |
c87b9c60 PM |
172 | |
173 | if test -z "$resdir" | |
174 | then | |
175 | resdir=$KVM/res | |
daeda23d PM |
176 | fi |
177 | ||
178 | if test "$dryrun" = "" | |
179 | then | |
330a76f1 PM |
180 | if ! test -e $resdir |
181 | then | |
182 | mkdir -p "$resdir" || : | |
183 | fi | |
daeda23d PM |
184 | mkdir $resdir/$ds |
185 | ||
78ad0693 | 186 | # Be noisy only if running the script. |
a7582815 PM |
187 | echo Results directory: $resdir/$ds |
188 | echo $scriptname $args | |
847bfd25 | 189 | |
daeda23d PM |
190 | touch $resdir/$ds/log |
191 | echo $scriptname $args >> $resdir/$ds/log | |
61010e74 | 192 | echo ${TORTURE_SUITE} > $resdir/$ds/TORTURE_SUITE |
daeda23d PM |
193 | |
194 | pwd > $resdir/$ds/testid.txt | |
195 | if test -d .git | |
196 | then | |
197 | git status >> $resdir/$ds/testid.txt | |
198 | git rev-parse HEAD >> $resdir/$ds/testid.txt | |
199 | fi | |
c87b9c60 | 200 | fi |
c87b9c60 | 201 | |
78ad0693 | 202 | # Create a file of test-name/#cpus pairs, sorted by decreasing #cpus. |
43e38ab3 | 203 | touch $T/cfgcpu |
c87b9c60 PM |
204 | for CF in $configs |
205 | do | |
43e38ab3 | 206 | if test -f "$CONFIGFRAG/$kversion/$CF" |
f43f8f73 | 207 | then |
43e38ab3 PM |
208 | echo $CF `configNR_CPUS.sh $CONFIGFRAG/$kversion/$CF` >> $T/cfgcpu |
209 | else | |
210 | echo "The --configs file $CF does not exist, terminating." | |
211 | exit 1 | |
f43f8f73 | 212 | fi |
c87b9c60 | 213 | done |
43e38ab3 PM |
214 | sort -k2nr $T/cfgcpu > $T/cfgcpu.sort |
215 | ||
78ad0693 | 216 | # Use a greedy bin-packing algorithm, sorting the list accordingly. |
53954671 PM |
217 | awk < $T/cfgcpu.sort > $T/cfgcpu.pack -v ncpus=$cpus ' |
218 | BEGIN { | |
219 | njobs = 0; | |
220 | } | |
221 | ||
222 | { | |
78ad0693 | 223 | # Read file of tests and corresponding required numbers of CPUs. |
53954671 PM |
224 | cf[njobs] = $1; |
225 | cpus[njobs] = $2; | |
226 | njobs++; | |
227 | } | |
228 | ||
229 | END { | |
230 | alldone = 0; | |
231 | batch = 0; | |
232 | nc = -1; | |
78ad0693 PM |
233 | |
234 | # Each pass through the following loop creates on test batch | |
235 | # that can be executed concurrently given ncpus. Note that a | |
236 | # given test that requires more than the available CPUs will run in | |
237 | # their own batch. Such tests just have to make do with what | |
238 | # is available. | |
53954671 PM |
239 | while (nc != ncpus) { |
240 | batch++; | |
241 | nc = ncpus; | |
78ad0693 PM |
242 | |
243 | # Each pass through the following loop considers one | |
244 | # test for inclusion in the current batch. | |
53954671 PM |
245 | for (i = 0; i < njobs; i++) { |
246 | if (done[i]) | |
78ad0693 | 247 | continue; # Already part of a batch. |
53954671 | 248 | if (nc >= cpus[i] || nc == ncpus) { |
78ad0693 PM |
249 | |
250 | # This test fits into the current batch. | |
53954671 PM |
251 | done[i] = batch; |
252 | nc -= cpus[i]; | |
253 | if (nc <= 0) | |
78ad0693 | 254 | break; # Too-big test in its own batch. |
53954671 PM |
255 | } |
256 | } | |
257 | } | |
78ad0693 PM |
258 | |
259 | # Dump out the tests in batch order. | |
53954671 PM |
260 | for (b = 1; b <= batch; b++) |
261 | for (i = 0; i < njobs; i++) | |
262 | if (done[i] == b) | |
263 | print cf[i], cpus[i]; | |
264 | }' | |
265 | ||
78ad0693 | 266 | # Generate a script to execute the tests in appropriate batches. |
61010e74 PM |
267 | cat << ___EOF___ > $T/script |
268 | TORTURE_SUITE="$TORTURE_SUITE"; export TORTURE_SUITE | |
8c55f227 | 269 | TORTURE_DEFCONFIG="$TORTURE_DEFCONFIG"; export TORTURE_DEFCONFIG |
61010e74 | 270 | ___EOF___ |
53954671 | 271 | awk < $T/cfgcpu.pack \ |
43e38ab3 PM |
272 | -v CONFIGDIR="$CONFIGFRAG/$kversion/" \ |
273 | -v KVM="$KVM" \ | |
274 | -v ncpus=$cpus \ | |
275 | -v rd=$resdir/$ds/ \ | |
276 | -v dur=$dur \ | |
d1b1e517 | 277 | -v TORTURE_QEMU_ARG=$TORTURE_QEMU_ARG \ |
98bc8cc8 | 278 | -v TORTURE_BOOTARGS=$TORTURE_BOOTARGS \ |
43e38ab3 PM |
279 | 'BEGIN { |
280 | i = 0; | |
281 | } | |
282 | ||
283 | { | |
284 | cf[i] = $1; | |
285 | cpus[i] = $2; | |
286 | i++; | |
287 | } | |
288 | ||
78ad0693 | 289 | # Dump out the scripting required to run one test batch. |
43e38ab3 PM |
290 | function dump(first, pastlast) |
291 | { | |
73fa867e PM |
292 | print "echo ----Start batch: `date`"; |
293 | print "echo ----Start batch: `date` >> " rd "/log"; | |
43e38ab3 PM |
294 | jn=1 |
295 | for (j = first; j < pastlast; j++) { | |
296 | builddir=KVM "/b" jn | |
0ae3f73a | 297 | cpusr[jn] = cpus[j]; |
43e38ab3 | 298 | if (cfrep[cf[j]] == "") { |
0ae3f73a | 299 | cfr[jn] = cf[j]; |
43e38ab3 PM |
300 | cfrep[cf[j]] = 1; |
301 | } else { | |
302 | cfrep[cf[j]]++; | |
0ae3f73a | 303 | cfr[jn] = cf[j] "." cfrep[cf[j]]; |
43e38ab3 | 304 | } |
df1cc81b PM |
305 | if (cpusr[jn] > ncpus && ncpus != 0) |
306 | ovf = "(!)"; | |
307 | else | |
308 | ovf = ""; | |
3c626237 | 309 | print "echo ", cfr[jn], cpusr[jn] ovf ": Starting build. `date`"; |
73fa867e | 310 | print "echo ", cfr[jn], cpusr[jn] ovf ": Starting build. `date` >> " rd "/log"; |
0ae3f73a PM |
311 | print "rm -f " builddir ".*"; |
312 | print "touch " builddir ".wait"; | |
313 | print "mkdir " builddir " > /dev/null 2>&1 || :"; | |
314 | print "mkdir " rd cfr[jn] " || :"; | |
d1b1e517 | 315 | 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 |
316 | print "echo ", cfr[jn], cpusr[jn] ovf ": Waiting for build to complete. `date`"; |
317 | print "echo ", cfr[jn], cpusr[jn] ovf ": Waiting for build to complete. `date` >> " rd "/log"; | |
43e38ab3 PM |
318 | print "while test -f " builddir ".wait" |
319 | print "do" | |
320 | print "\tsleep 1" | |
321 | print "done" | |
73fa867e PM |
322 | print "echo ", cfr[jn], cpusr[jn] ovf ": Build complete. `date`"; |
323 | print "echo ", cfr[jn], cpusr[jn] ovf ": Build complete. `date` >> " rd "/log"; | |
43e38ab3 PM |
324 | jn++; |
325 | } | |
43e38ab3 PM |
326 | for (j = 1; j < jn; j++) { |
327 | builddir=KVM "/b" j | |
328 | print "rm -f " builddir ".ready" | |
73fa867e PM |
329 | print "echo ----", cfr[j], cpusr[j] ovf ": Starting kernel. `date`"; |
330 | print "echo ----", cfr[j], cpusr[j] ovf ": Starting kernel. `date` >> " rd "/log"; | |
43e38ab3 PM |
331 | } |
332 | print "wait" | |
73fa867e PM |
333 | print "echo ---- All kernel runs complete. `date`"; |
334 | print "echo ---- All kernel runs complete. `date` >> " rd "/log"; | |
43e38ab3 PM |
335 | for (j = 1; j < jn; j++) { |
336 | builddir=KVM "/b" j | |
73fa867e PM |
337 | print "echo ----", cfr[j], cpusr[j] ovf ": Build/run results:"; |
338 | print "echo ----", cfr[j], cpusr[j] ovf ": Build/run results: >> " rd "/log"; | |
339 | print "cat " rd cfr[j] "/kvm-test-1-run.sh.out"; | |
340 | print "cat " rd cfr[j] "/kvm-test-1-run.sh.out >> " rd "/log"; | |
43e38ab3 PM |
341 | } |
342 | } | |
343 | ||
344 | END { | |
345 | njobs = i; | |
346 | nc = ncpus; | |
347 | first = 0; | |
78ad0693 PM |
348 | |
349 | # Each pass through the following loop considers one test. | |
43e38ab3 PM |
350 | for (i = 0; i < njobs; i++) { |
351 | if (ncpus == 0) { | |
78ad0693 | 352 | # Sequential test specified, each test its own batch. |
43e38ab3 PM |
353 | dump(i, i + 1); |
354 | first = i; | |
355 | } else if (nc < cpus[i] && i != 0) { | |
78ad0693 | 356 | # Out of CPUs, dump out a batch. |
43e38ab3 PM |
357 | dump(first, i); |
358 | first = i; | |
359 | nc = ncpus; | |
360 | } | |
78ad0693 | 361 | # Account for the CPUs needed by the current test. |
43e38ab3 PM |
362 | nc -= cpus[i]; |
363 | } | |
78ad0693 | 364 | # Dump the last batch. |
43e38ab3 PM |
365 | if (ncpus != 0) |
366 | dump(first, i); | |
61010e74 | 367 | }' >> $T/script |
43e38ab3 | 368 | |
a7582815 PM |
369 | if test "$dryrun" = script |
370 | then | |
78ad0693 PM |
371 | # Dump out the script, but define the environment variables that |
372 | # it needs to run standalone. | |
a7582815 PM |
373 | echo CONFIGFRAG="$CONFIGFRAG; export CONFIGFRAG" |
374 | echo KVM="$KVM; export KVM" | |
375 | echo KVPATH="$KVPATH; export KVPATH" | |
376 | echo PATH="$PATH; export PATH" | |
805ffee2 | 377 | echo TORTURE_BUILDONLY="$TORTURE_BUILDONLY; export TORTURE_BUILDONLY" |
2f66dbc1 | 378 | echo TORTURE_INITRD="$TORTURE_INITRD; export TORTURE_INITRD" |
58d280bd | 379 | echo TORTURE_KMAKE_ARG="$TORTURE_KMAKE_ARG; export TORTURE_KMAKE_ARG" |
a7582815 | 380 | echo RCU_QEMU_CMD="$RCU_QEMU_CMD; export RCU_QEMU_CMD" |
a0edd47c | 381 | echo TORTURE_QEMU_INTERACTIVE="$TORTURE_QEMU_INTERACTIVE; export TORTURE_QEMU_INTERACTIVE" |
58f724f7 | 382 | echo TORTURE_QEMU_MAC="$TORTURE_QEMU_MAC; export TORTURE_QEMU_MAC" |
daeda23d PM |
383 | echo "mkdir -p "$resdir" || :" |
384 | echo "mkdir $resdir/$ds" | |
a7582815 PM |
385 | cat $T/script |
386 | exit 0 | |
387 | elif test "$dryrun" = sched | |
388 | then | |
78ad0693 | 389 | # Extract the test run schedule from the script. |
9352ad13 PM |
390 | egrep 'Start batch|Starting build\.' $T/script | |
391 | grep -v ">>" | | |
a7582815 PM |
392 | sed -e 's/:.*$//' -e 's/^echo //' |
393 | exit 0 | |
394 | else | |
78ad0693 | 395 | # Not a dryru, so run the script. |
a7582815 PM |
396 | sh $T/script |
397 | fi | |
43e38ab3 | 398 | |
782ab4cd | 399 | # 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 |
e1362651 | 400 | |
ec256c0f PM |
401 | echo |
402 | echo | |
e1362651 | 403 | echo " --- `date` Test summary:" |
ec256c0f | 404 | echo Results directory: $resdir/$ds |
805ffee2 PM |
405 | if test -n "$TORTURE_BUILDONLY" |
406 | then | |
407 | kvm-recheck.sh $resdir/$ds | |
408 | fi |