linux-kernel - [tip: core/rcu] torture: Fix grace-period rate output

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Message-ID: <162506086667.395.17394502646952476174.tip-bot2@tip-bot2>
Date:   Wed, 30 Jun 2021 13:47:46 -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: Fix grace-period rate output

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

Commit-ID:     32dbdaf71ab9b606d0649616039c897df2b03e47
Gitweb:        https://git.kernel.org/tip/32dbdaf71ab9b606d0649616039c897df2b03e47
Author:        Paul E. McKenney <paulmck@...nel.org>
AuthorDate:    Sun, 14 Mar 2021 15:19:59 -07:00
Committer:     Paul E. McKenney <paulmck@...nel.org>
CommitterDate: Mon, 10 May 2021 16:05:06 -07:00

torture: Fix grace-period rate output

The kvm-again.sh script relies on shell comments added to the qemu-cmd
file, but this means that code extracting values from the QEMU command in
this file must grep out those commment.  Which kvm-recheck-rcu.sh failed
to do, which destroyed its grace-period-per-second calculation.  This
commit therefore adds the needed "grep -v '^#'" to kvm-recheck-rcu.sh.

Fixes: 315957cad445 ("torture: Prepare for splitting qemu execution from kvm-test-1-run.sh")
Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
---
 tools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh b/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh
index 1706cd4..fbdf162 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh
@@ -31,7 +31,7 @@ then
 	echo "$configfile ------- " $stopstate
 else
 	title="$configfile ------- $ngps GPs"
-	dur=`sed -e 's/^.* rcutorture.shutdown_secs=//' -e 's/ .*$//' < $i/qemu-cmd 2> /dev/null`
+	dur=`grep -v '^#' $i/qemu-cmd | sed -e 's/^.* rcutorture.shutdown_secs=//' -e 's/ .*$//'`
 	if test -z "$dur"
 	then
 		: