torture: Add "make allmodconfig" to torture.sh

This commit adds the ability to do "make allmodconfig" to torture.sh,
given that normal rcutorture runs do not normally catch missing exports.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

diff --git a/tools/testing/selftests/rcutorture/bin/torture.sh b/tools/testing/selftests/rcutorture/bin/torture.sh
index 0bd8e84..57f2f31 100755 (executable)
--- a/tools/testing/selftests/rcutorture/bin/torture.sh
+++ b/tools/testing/selftests/rcutorture/bin/torture.sh
@@ -17,6 +17,9 @@ KVM="`pwd`/tools/testing/selftests/rcutorture"; export KVM
 PATH=${KVM}/bin:$PATH; export PATH
 . functions.sh
 
+TORTURE_ALLOTED_CPUS="`identify_qemu_vcpus`"
+MAKE_ALLOTED_CPUS=$((TORTURE_ALLOTED_CPUS*2))
+
 # Default duration and apportionment.
 duration_base=10
 duration_rcutorture_frac=7
@@ -24,6 +27,7 @@ duration_locktorture_frac=1
 duration_scftorture_frac=2
 
 # "yes" or "no" parameters
+do_allmodconfig=yes
 do_rcutorture=yes
 do_locktorture=yes
 do_scftorture=yes
@@ -36,6 +40,7 @@ do_kcsan=no
 usage () {
        echo "Usage: $scriptname optional arguments:"
        echo "       --doall"
+       echo "       --doallmodconfig / --do-no-allmodconfig"
        echo "       --do-kasan / --do-no-kasan"
        echo "       --do-kcsan / --do-no-kcsan"
        echo "       --do-kvfree / --do-no-kvfree"
@@ -53,6 +58,7 @@ while test $# -gt 0
 do
        case "$1" in
        --doall)
+               do_allmodconfig=yes
                do_rcutorture=yes
                do_locktorture=yes
                do_scftorture=yes
@@ -62,6 +68,14 @@ do
                do_kasan=yes
                do_kcsan=yes
                ;;
+       --do-allmodconfig|--do-no-allmodconfig)
+               if test "$1" = --do-allmodconfig
+               then
+                       do_allmodconfig=yes
+               else
+                       do_allmodconfig=no
+               fi
+               ;;
        --do-kasan|--do-no-kasan)
                if test "$1" = --do-kasan
                then
@@ -95,6 +109,7 @@ do
                fi
                ;;
        --do-none)
+               do_allmodconfig=no
                do_rcutorture=no
                do_locktorture=no
                do_scftorture=no
@@ -242,6 +257,26 @@ function torture_set {
        fi
 }
 
+# make allmodconfig
+if test "$do_allmodconfig" = "yes"
+then
+       echo " --- allmodconfig:" Start `date` | tee -a $T/log
+       amcdir="tools/testing/selftests/rcutorture/res/$ds/allmodconfig"
+       mkdir -p "$amcdir"
+       make -j$MAKE_ALLOTED_CPUS clean > "$amcdir/Make.out" 2>&1
+       make -j$MAKE_ALLOTED_CPUS allmodconfig > "$amcdir/Make.out" 2>&1
+       make -j$MAKE_ALLOTED_CPUS > "$amcdir/Make.out" 2>&1
+       retcode="$?"
+       echo $retcode > "$amcdir/Make.exitcode"
+       if test "$retcode" == 0
+       then
+               echo "allmodconfig($retcode)" $amcdir >> $T/successes
+       else
+               echo "allmodconfig($retcode)" $amcdir >> $T/failures
+       fi
+fi
+
+# --torture rcu
 if test "$do_rcutorture" = "yes"
 then
        torture_bootargs="rcupdate.rcu_cpu_stall_suppress_at_boot=1 torture.disable_onoff_at_boot rcupdate.rcu_task_stall_timeout=30000"
@@ -320,7 +355,7 @@ exit $ret
 # @@@
 # RCU CPU stall warnings?
 # scftorture warnings?
-# Need a way for the invoker to specify clang.
+# Need a way for the invoker to specify clang.  Maybe --kcsan-kmake or some such.
 # Work out --configs based on number of available CPUs?
 # Need to sense CPUs to size scftorture run.  Ditto rcuscale and refscale.
 # --kconfig as with --bootargs (Both have overrides.)