linux-kernel - [tip: core/rcu] refperf: Adjust refperf.loop default value

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Date:   Fri, 31 Jul 2020 09:22:57 -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 <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [tip: core/rcu] refperf: Adjust refperf.loop default value

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

Commit-ID:     4dd72a338a07486823037a6b45334d05192c913a
Gitweb:        https://git.kernel.org/tip/4dd72a338a07486823037a6b45334d05192c913a
Author:        Paul E. McKenney <paulmck@...nel.org>
AuthorDate:    Fri, 29 May 2020 13:11:26 -07:00
Committer:     Paul E. McKenney <paulmck@...nel.org>
CommitterDate: Mon, 29 Jun 2020 12:00:45 -07:00

refperf: Adjust refperf.loop default value

With the various measurement optimizations, 10,000 loops normally
suffices.  This commit therefore reduces the refperf.loops default value
from 10,000,000 to 10,000.

Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
---
 kernel/rcu/refperf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/rcu/refperf.c b/kernel/rcu/refperf.c
index 57a750b..063eeb0 100644
--- a/kernel/rcu/refperf.c
+++ b/kernel/rcu/refperf.c
@@ -61,7 +61,7 @@ torture_param(int, verbose, 0, "Enable verbose debugging printk()s");
 torture_param(int, holdoff, IS_BUILTIN(CONFIG_RCU_REF_PERF_TEST) ? 10 : 0,
 	      "Holdoff time before test start (s)");
 // Number of loops per experiment, all readers execute operations concurrently.
-torture_param(long, loops, 10000000, "Number of loops per experiment.");
+torture_param(long, loops, 10000, "Number of loops per experiment.");
 // Number of readers, with -1 defaulting to about 75% of the CPUs.
 torture_param(int, nreaders, -1, "Number of readers, -1 for 75% of CPUs.");
 // Number of runs.