linux-kernel - [tip: core/rcu] torture: Add "scenarios" option to kvm.sh --dryrun parameter

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Date:   Wed, 30 Jun 2021 13:47:50 -0000
From:   "tip-bot2 for Paul E. McKenney" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     "Paul E. McKenney" <paulmck@...nel.org>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: core/rcu] torture: Add "scenarios" option to kvm.sh --dryrun parameter

The following commit has been merged into the core/rcu branch of tip:

Commit-ID:     3d2cc4fec861a825ecd7d9ce2797df4e5f0f5517
Gitweb:        https://git.kernel.org/tip/3d2cc4fec861a825ecd7d9ce2797df4e5f0f5517
Author:        Paul E. McKenney <paulmck@...nel.org>
AuthorDate:    Thu, 04 Mar 2021 17:21:17 -08:00
Committer:     Paul E. McKenney <paulmck@...nel.org>
CommitterDate: Mon, 10 May 2021 16:05:05 -07:00

torture: Add "scenarios" option to kvm.sh --dryrun parameter

This commit adds "--dryrun scenarios" to kvm.sh, which prints something
like this:

1.  TREE03
2.  TREE07
3.  SRCU-P SRCU-N
4.  TREE01 TRACE01
5.  TREE02 TRACE02
6.  TREE04 RUDE01 TASKS01
7.  TREE05 TASKS03 SRCU-T SRCU-U
8.  TASKS02 TINY01 TINY02 TREE09

This format is more convenient for scripts that run batches of scenarios.

Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
---
 tools/testing/selftests/rcutorture/bin/kvm.sh | 28 ++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh
index 6bf00a0..3bd523a 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm.sh
@@ -64,7 +64,7 @@ usage () {
 	echo "       --cpus N"
 	echo "       --datestamp string"
 	echo "       --defconfig string"
-	echo "       --dryrun batches|sched|script"
+	echo "       --dryrun batches|scenarios|sched|script"
 	echo "       --duration minutes | <seconds>s | <hours>h | <days>d"
 	echo "       --gdb"
 	echo "       --help"
@@ -130,7 +130,7 @@ do
 		shift
 		;;
 	--dryrun)
-		checkarg --dryrun "batches|sched|script" $# "$2" 'batches\|sched\|script' '^--'
+		checkarg --dryrun "batches|sched|script" $# "$2" 'batches\|scenarios\|sched\|script' '^--'
 		dryrun=$2
 		shift
 		;;
@@ -577,6 +577,25 @@ egrep 'Start batch|Starting build\.' $T/script | grep -v ">>" |
 		print batchno, $1, $2
 	}' > $T/batches
 
+# As above, but one line per batch.
+grep -v '^#' $T/batches | awk '
+BEGIN {
+	oldbatch = 1;
+}
+
+{
+	if (oldbatch != $1) {
+		print ++n ". " curbatch;
+		curbatch = "";
+		oldbatch = $1;
+	}
+	curbatch = curbatch " " $2;
+}
+
+END {
+	print ++n ". " curbatch;
+}' > $T/scenarios
+
 if test "$dryrun" = script
 then
 	cat $T/script
@@ -597,11 +616,16 @@ elif test "$dryrun" = batches
 then
 	cat $T/batches
 	exit 0
+elif test "$dryrun" = scenarios
+then
+	cat $T/scenarios
+	exit 0
 else
 	# Not a dryrun.  Record the batches and the number of CPUs, then run the script.
 	bash $T/script
 	ret=$?
 	cp $T/batches $resdir/$ds/batches
+	cp $T/scenarios $resdir/$ds/scenarios
 	echo '#' cpus=$cpus >> $resdir/$ds/batches
 	echo " --- Done at `date` (`get_starttime_duration $starttime`) exitcode $ret" | tee -a $resdir/$ds/log
 	exit $ret