1 #!/bin/bash
2 # SPDX-License-Identifier: GPL-2.0+
3 #
4 # Runs the C-language litmus tests specified on standard input, using up
5 # to the specified number of CPUs (defaulting to all of them) and placing
6 # the results in the specified directory (defaulting to the same place
7 # the litmus test came from).
8 #
9 # sh runlitmushist.sh
10 #
11 # Run from the Linux kernel tools/memory-model directory.
12 # This script uses environment variables produced by parseargs.sh.
13 #
14 # Copyright IBM Corporation, 2018
15 #
16 # Author: Paul E. McKenney <paulmck@linux.ibm.com>
17
18 . scripts/hwfnseg.sh
19
20 T=/tmp/runlitmushist.sh.$$
21 trap 'rm -rf $T' 0
22 mkdir $T
23
24 if test -d litmus
25 then
26 :
27 else
28 echo Directory \"litmus\" missing, aborting run.
29 exit 1
30 fi
31
32 # Prefixes for per-CPU scripts
33 for ((i=0;i<$LKMM_JOBS;i++))
34 do
35 echo T=$T >> $T/$i.sh
36 cat << '___EOF___' >> $T/$i.sh
37 runtest () {
38 if scripts/runlitmus.sh $1
39 then
40 if ! grep -q '^Observation ' $LKMM_DESTDIR/$1$2.out
41 then
42 echo ' !!! Herd failed, no Observation:' $1
43 fi
44 else
45 exitcode=$?
46 if test "$exitcode" -eq 124
47 then
48 exitmsg="timed out"
49 elif test "$exitcode" -eq 253
50 then
51 exitmsg=
52 else
53 exitmsg="failed, exit code $exitcode"
54 fi
55 if test -n "$exitmsg"
56 then
57 echo ' !!! Herd' ${exitmsg}: $1
58 fi
59 fi
60 }
61 ___EOF___
62 done
63
64 awk -v q="'" -v b='\\' '
65 {
66 print "echo `grep " q "^P[0-9]" b "+(" q " " $0 " | tail -1 | sed -e " q "s/^P" b "([0-9]" b "+" b ")(.*$/" b "1/" q "` " $0
67 }' | sh | sort -k1n |
68 awk -v dq='"' -v hwfnseg="$hwfnseg" -v ncpu="$LKMM_JOBS" -v t="$T" '
69 {
70 print "if test -z " dq hwfnseg dq " || scripts/simpletest.sh " dq $2 dq
71 print "then"
72 print "\techo runtest " dq $2 dq " " hwfnseg " >> " t "/" NR % ncpu ".sh";
73 print "fi"
74 }
75
76 END {
77 for (i = 0; i < ncpu; i++) {
78 print "sh " t "/" i ".sh > " t "/" i ".sh.out 2>&1 &";
79 close(t "/" i ".sh");
80 }
81 print "wait";
82 }' | sh
83 cat $T/*.sh.out
84 if grep -q '!!!' $T/*.sh.out
85 then
86 echo ' ---' Summary: 1>&2
87 grep '!!!' $T/*.sh.out 1>&2
88 nfail="`grep '!!!' $T/*.sh.out | wc -l`"
89 echo 'Number of failed herd7 runs (e.g., timeout): ' $nfail 1>&2
90 exit 1
91 else
92 echo All runs completed successfully. 1>&2
93 exit 0
94 fi
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