tools/memory-model/scripts/checklitmushist.sh

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0+
   3 #
   4 # Reruns the C-language litmus tests previously run that match the
   5 # specified criteria, and compares the result to that of the previous
   6 # runs from initlitmushist.sh and/or newlitmushist.sh.
   7 #
   8 # sh checklitmushist.sh
   9 #
  10 # Run from the Linux kernel tools/memory-model directory.
  11 # See scripts/parseargs.sh for list of arguments.
  12 #
  13 # Copyright IBM Corporation, 2018
  14 #
  15 # Author: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
  16
  17 . scripts/parseargs.sh
  18
  19 T=/tmp/checklitmushist.sh.$$
  20 trap 'rm -rf $T' 0
  21 mkdir $T
  22
  23 if test -d litmus
  24 then
  25         :
  26 else
  27         echo Run scripts/initlitmushist.sh first, need litmus repo.
  28         exit 1
  29 fi
  30
  31 # Create the results directory and populate it with subdirectories.
  32 # The initial output is created here to avoid clobbering the output
  33 # generated earlier.
  34 mkdir $T/results
  35 find litmus -type d -print | ( cd $T/results; sed -e 's/^/mkdir -p /' | sh )
  36
  37 # Create the list of litmus tests already run, then remove those that
  38 # are excluded by this run's --procs argument.
  39 ( cd $LKMM_DESTDIR; find litmus -name '*.litmus.out' -print ) |
  40         sed -e 's/\.out$//' |
  41         xargs -r grep -L "^P${LKMM_PROCS}"> $T/list-C-already
  42 xargs < $T/list-C-already -r grep -L "^P${LKMM_PROCS}" > $T/list-C-short
  43
  44 # Redirect output, run tests, then restore destination directory.
  45 destdir="$LKMM_DESTDIR"
  46 LKMM_DESTDIR=$T/results; export LKMM_DESTDIR
  47 scripts/runlitmushist.sh < $T/list-C-short > $T/runlitmushist.sh.out 2>&1
  48 LKMM_DESTDIR="$destdir"; export LKMM_DESTDIR
  49
  50 # Move the newly generated .litmus.out files to .litmus.out.new files
  51 # in the destination directory.
  52 cdir=`pwd`
  53 ddir=`awk -v c="$cdir" -v d="$LKMM_DESTDIR" \
  54         'END { if (d ~ /^\//) print d; else print c "/" d; }' < /dev/null`
  55 ( cd $T/results; find litmus -type f -name '*.litmus.out' -print |
  56   sed -e 's,^.*$,cp & '"$ddir"'/&.new,' | sh )
  57
  58 sed < $T/list-C-short -e 's,^,'"$LKMM_DESTDIR/"',' |
  59         sh scripts/cmplitmushist.sh
  60 exit $?