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authorPaul E. McKenney <paulmck@kernel.org>2021-02-23 12:07:39 -0800
committerPaul E. McKenney <paulmck@kernel.org>2021-03-22 08:29:20 -0700
commita5dbe2524f553a1283b3364ff91e96bfb618ceab (patch)
tree2a493b62e5a755773a54c26b4e7b71da5400d0c9 /tools/testing/selftests/rcutorture
parent018629e909ffcabfc657388094371f20ba90649f (diff)
torture: Make TORTURE_TRUST_MAKE available in kvm-again.sh environment
Because the TORTURE_TRUST_MAKE environment variable is not recorded, kvm-again.sh runs can result in the parse-build.sh script emitting false-positive "BUG: TREE03 no build" messages. These messages are intended to complain about any lack of compiler invocations when the --trust-make flag is not given to kvm.sh. However, when this flag is given to kvm.sh (and thus when TORTURE_TRUST_MAKE=y), lack of compiler invocations is expected behavior when rebuilding from identical source code. This commit therefore makes kvm-test-1-run.sh record the value of the TORTURE_TRUST_MAKE environment variable as an additional comment in the qemu-cmd file, and also makes kvm-again.sh reconstitute that variable from that comment. Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'tools/testing/selftests/rcutorture')
-rwxr-xr-xtools/testing/selftests/rcutorture/bin/kvm-again.sh5
-rwxr-xr-xtools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh1
2 files changed, 6 insertions, 0 deletions
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-again.sh b/tools/testing/selftests/rcutorture/bin/kvm-again.sh
index 3fb57ce5aafc..f1c80b02af58 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-again.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-again.sh
@@ -161,6 +161,11 @@ do
fi
echo "# TORTURE_KCONFIG_GDB_ARG=''" >> $i
done
+
+# Extract settings from the last qemu-cmd file transformed above.
+grep '^#' $i | sed -e 's/^# //' > $T/qemu-cmd-settings
+. $T/qemu-cmd-settings
+
grep -v '^#' $T/batches.oldrun | awk '
BEGIN {
oldbatch = 1;
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
index a386ca8dd690..420ed5ce9d32 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
@@ -204,6 +204,7 @@ echo "# seconds=$seconds" >> $resdir/qemu-cmd
echo "# TORTURE_KCONFIG_GDB_ARG=\"$TORTURE_KCONFIG_GDB_ARG\"" >> $resdir/qemu-cmd
echo "# TORTURE_JITTER_START=\"$TORTURE_JITTER_START\"" >> $resdir/qemu-cmd
echo "# TORTURE_JITTER_STOP=\"$TORTURE_JITTER_STOP\"" >> $resdir/qemu-cmd
+echo "# TORTURE_TRUST_MAKE=\"$TORTURE_TRUST_MAKE\"; export TORTURE_TRUST_MAKE" >> $resdir/qemu-cmd
if test -n "$TORTURE_BUILDONLY"
then