linux-kernel - [tip: core/rcu] torture: Make kvm.sh "--dryrun sched" summarize number of builds

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Message-ID: <161313344873.23325.13236245957669798292.tip-bot2@tip-bot2>
Date:   Fri, 12 Feb 2021 12:37:28 -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: Make kvm.sh "--dryrun sched" summarize
 number of builds

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

Commit-ID:     eca0501a7a2036d3e63aae80cf7f2594408374ff
Gitweb:        https://git.kernel.org/tip/eca0501a7a2036d3e63aae80cf7f2594408374ff
Author:        Paul E. McKenney <paulmck@...nel.org>
AuthorDate:    Sun, 08 Nov 2020 15:52:30 -08:00
Committer:     Paul E. McKenney <paulmck@...nel.org>
CommitterDate: Mon, 04 Jan 2021 14:01:18 -08:00

torture: Make kvm.sh "--dryrun sched" summarize number of builds

Knowing the number of builds that kvm.sh will split a run into allows
estimation of the duration of a test, give or take build duration.
This commit therefore adds a line of output to "--dryrun sched" that
gives the number of builds that will be run.  This excludes "builds"
for repeated scenarios that reuse an earlier build.

Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
---
 tools/testing/selftests/rcutorture/bin/kvm.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh
index 1078be1..55a18a9 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm.sh
@@ -536,6 +536,10 @@ then
 	egrep 'Start batch|Starting build\.' $T/script |
 		grep -v ">>" |
 		sed -e 's/:.*$//' -e 's/^echo //'
+	nbuilds="`grep 'Starting build\.' $T/script |
+		  grep -v ">>" | sed -e 's/:.*$//' -e 's/^echo //' |
+		  awk '{ print $1 }' | grep -v '\.' | wc -l`"
+	echo Total number of builds: $nbuilds
 	nbatches="`grep 'Start batch' $T/script | grep -v ">>" | wc -l`"
 	echo Total number of batches: $nbatches
 	exit 0