linux-kernel - [PATCH rcu 11/18] torture: Make torture.sh summarize config and build errors

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Message-Id: <20230717182337.1098991-11-paulmck@kernel.org>
Date:   Mon, 17 Jul 2023 11:23:30 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     rcu@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, kernel-team@...a.com,
        rostedt@...dmis.org, "Paul E. McKenney" <paulmck@...nel.org>
Subject: [PATCH rcu 11/18] torture: Make torture.sh summarize config and build errors

If some of the torture.sh runs had config and/or build errors, but all
runs for which kernels were built ran successfully to completion, then
torture.sh will incorrectly claim that all errors were KCSAN errors.
This commit therefore makes torture.sh print the number of runs with
config and build errors, and to refrain from claiming that all bugs were
KCSAN bugs in that case.

Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
---
 tools/testing/selftests/rcutorture/bin/torture.sh | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/rcutorture/bin/torture.sh b/tools/testing/selftests/rcutorture/bin/torture.sh
index dd3bfadb0639..d36b839bf586 100755
--- a/tools/testing/selftests/rcutorture/bin/torture.sh
+++ b/tools/testing/selftests/rcutorture/bin/torture.sh
@@ -582,11 +582,23 @@ then
 fi
 echo Started at $startdate, ended at `date`, duration `get_starttime_duration $starttime`. | tee -a $T/log
 echo Summary: Successes: $nsuccesses Failures: $nfailures. | tee -a $T/log
+tdir="`cat $T/successes $T/failures | head -1 | awk '{ print $NF }' | sed -e 's,/[^/]\+/*$,,'`"
+find "$tdir" -name 'ConfigFragment.diags' -print > $T/configerrors
+find "$tdir" -name 'Make.out.diags' -print > $T/builderrors
+if test -s "$T/configerrors"
+then
+	echo "  Scenarios with .config errors: `wc -l "$T/configerrors" | awk '{ print $1 }'`"
+	nonkcsanbug="yes"
+fi
+if test -s "$T/builderrors"
+then
+	echo "  Scenarios with build errors: `wc -l "$T/builderrors" | awk '{ print $1 }'`"
+	nonkcsanbug="yes"
+fi
 if test -z "$nonkcsanbug" && test -s "$T/failuresum"
 then
 	echo "  All bugs were KCSAN failures."
 fi
-tdir="`cat $T/successes $T/failures | head -1 | awk '{ print $NF }' | sed -e 's,/[^/]\+/*$,,'`"
 if test -n "$tdir" && test $compress_concurrency -gt 0
 then
 	# KASAN vmlinux files can approach 1GB in size, so compress them.
-- 
2.40.1