tools/memory-model/scripts/runlitmushist.sh

   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.vnet.ibm.com>
  17
  18 T=/tmp/runlitmushist.sh.$$
  19 trap 'rm -rf $T' 0
  20 mkdir $T
  21
  22 if test -d litmus
  23 then
  24         :
  25 else
  26         echo Directory \"litmus\" missing, aborting run.
  27         exit 1
  28 fi
  29
  30 # Prefixes for per-CPU scripts
  31 for ((i=0;i<$LKMM_JOBS;i++))
  32 do
  33         echo dir="$LKMM_DESTDIR" > $T/$i.sh
  34         echo T=$T >> $T/$i.sh
  35         echo herdoptions=\"$LKMM_HERD_OPTIONS\" >> $T/$i.sh
  36         cat << '___EOF___' >> $T/$i.sh
  37         runtest () {
  38                 echo ' ... ' /usr/bin/time $LKMM_TIMEOUT_CMD herd7 $herdoptions $1 '>' $dir/$1.out '2>&1'
  39                 if /usr/bin/time $LKMM_TIMEOUT_CMD herd7 $herdoptions $1 > $dir/$1.out 2>&1
  40                 then
  41                         if ! grep -q '^Observation ' $dir/$1.out
  42                         then
  43                                 echo ' !!! Herd failed, no Observation:' $1
  44                         fi
  45                 else
  46                         exitcode=$?
  47                         if test "$exitcode" -eq 124
  48                         then
  49                                 exitmsg="timed out"
  50                         else
  51                                 exitmsg="failed, exit code $exitcode"
  52                         fi
  53                         echo ' !!! Herd' ${exitmsg}: $1
  54                 fi
  55         }
  56 ___EOF___
  57 done
  58
  59 awk -v q="'" -v b='\\' '
  60 {
  61         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 "` " $0
  62 }' | bash |
  63 sort -k1n |
  64 awk -v ncpu=$LKMM_JOBS -v t=$T '
  65 {
  66         print "runtest " $2 >> t "/" NR % ncpu ".sh";
  67 }
  68
  69 END {
  70         for (i = 0; i < ncpu; i++) {
  71                 print "sh " t "/" i ".sh > " t "/" i ".sh.out 2>&1 &";
  72                 close(t "/" i ".sh");
  73         }
  74         print "wait";
  75 }' | sh
  76 cat $T/*.sh.out
  77 if grep -q '!!!' $T/*.sh.out
  78 then
  79         echo ' ---' Summary: 1>&2
  80         grep '!!!' $T/*.sh.out 1>&2
  81         nfail="`grep '!!!' $T/*.sh.out | wc -l`"
  82         echo 'Number of failed herd7 runs (e.g., timeout): ' $nfail 1>&2
  83         exit 1
  84 else
  85         echo All runs completed successfully. 1>&2
  86         exit 0
  87 fi