linux-kernel - [PATCH tip/core/rcu 08/28] rcuscale: Avoid divide by zero

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Message-Id: <20201105234719.23307-8-paulmck@kernel.org>
Date:   Thu,  5 Nov 2020 15:46:59 -0800
From:   paulmck@...nel.org
To:     rcu@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, kernel-team@...com, mingo@...nel.org,
        jiangshanlai@...il.com, akpm@...ux-foundation.org,
        mathieu.desnoyers@...icios.com, josh@...htriplett.org,
        tglx@...utronix.de, peterz@...radead.org, rostedt@...dmis.org,
        dhowells@...hat.com, edumazet@...gle.com, fweisbec@...il.com,
        oleg@...hat.com, joel@...lfernandes.org,
        "Paul E. McKenney" <paulmck@...nel.org>
Subject: [PATCH tip/core/rcu 08/28] rcuscale: Avoid divide by zero

From: "Paul E. McKenney" <paulmck@...nel.org>

The rcuscale test module does not use batches, so there is only
ever one batch.  This commit therefore informs the kvm-recheck-rcuscale.sh
script of this fact of life.

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

diff --git a/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcuscale.sh b/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcuscale.sh
index aa74515..b582113 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcuscale.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcuscale.sh
@@ -32,7 +32,7 @@ sed -e 's/^\[[^]]*]//' < $i/console.log |
 awk '
 /-scale: .* gps: .* batches:/ {
 	ngps = $9;
-	nbatches = $11;
+	nbatches = 1;
 }
 
 /-scale: .*writer-duration/ {
-- 
2.9.5