From: "Paul E. McKenney" <paulmck@kernel.org>
To: rcu@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, kernel-team@meta.com,
rostedt@goodmis.org, "Paul E. McKenney" <paulmck@kernel.org>,
Uladzislau Rezki <urezki@gmail.com>
Subject: [PATCH rcu 07/13] rcuscale: Add kfree_by_call_rcu and kfree_mult to documentation
Date: Mon, 17 Jul 2023 11:11:32 -0700 [thread overview]
Message-ID: <20230717181138.1098063-7-paulmck@kernel.org> (raw)
In-Reply-To: <c5a593d3-abe0-40fd-92bd-28d269042aa1@paulmck-laptop>
This commit adds the kfree_by_call_rcu and kfree_mult rcuscale module
parameters to kernel-parameters.txt. While in the area, it updates
to rcuscale.scale_type.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Uladzislau Rezki (Sony) <urezki@gmail.com>
---
Documentation/admin-guide/kernel-parameters.txt | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index a6888e3dfc20..3329dc22f53b 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -4928,6 +4928,15 @@
test until boot completes in order to avoid
interference.
+ rcuscale.kfree_by_call_rcu= [KNL]
+ In kernels built with CONFIG_RCU_LAZY=y, test
+ call_rcu() instead of kfree_rcu().
+
+ rcuscale.kfree_mult= [KNL]
+ Instead of allocating an object of size kfree_obj,
+ allocate one of kfree_mult * sizeof(kfree_obj).
+ Defaults to 1.
+
rcuscale.kfree_rcu_test= [KNL]
Set to measure performance of kfree_rcu() flooding.
@@ -4973,7 +4982,7 @@
the same as for rcuscale.nreaders.
N, where N is the number of CPUs
- rcuscale.perf_type= [KNL]
+ rcuscale.scale_type= [KNL]
Specify the RCU implementation to test.
rcuscale.shutdown= [KNL]
--
2.40.1
next prev parent reply other threads:[~2023-07-17 18:12 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-17 18:08 [PATCH rcu 0/13] RCU update-side scalability test updates for v6.6 Paul E. McKenney
2023-07-17 18:11 ` [PATCH rcu 01/13] rcuscale: Permit blocking delays between writers Paul E. McKenney
2023-07-17 18:11 ` [PATCH rcu 02/13] rcuscale: Fix gp_async_max typo: s/reader/writer/ Paul E. McKenney
2023-07-17 18:11 ` [PATCH rcu 03/13] rcuscale: Add minruntime module parameter Paul E. McKenney
2023-07-17 18:11 ` [PATCH rcu 04/13] rcuscale: Print out full set of module parameters Paul E. McKenney
2023-07-17 18:11 ` [PATCH rcu 05/13] rcuscale: Print out full set of kfree_rcu parameters Paul E. McKenney
2023-07-17 18:11 ` [PATCH rcu 06/13] rcuscale: Measure grace-period kthread CPU time Paul E. McKenney
2023-07-17 18:11 ` Paul E. McKenney [this message]
2023-07-17 18:11 ` [PATCH rcu 08/13] rcuscale: Print grace-period kthread CPU time, if recorded Paul E. McKenney
2023-07-17 18:11 ` [PATCH rcu 09/13] rcuscale: Measure RCU Tasks Trace grace-period kthread CPU time Paul E. McKenney
2023-07-17 18:11 ` [PATCH rcu 10/13] rcuscale: Add RCU Tasks Rude testing Paul E. McKenney
2023-07-17 18:11 ` [PATCH rcu 11/13] rcuscale: fix building with RCU_TINY Paul E. McKenney
2023-07-17 18:11 ` [PATCH rcu 12/13] rcuscale: Move rcu_scale_writer() schedule_timeout_uninterruptible() to _idle() Paul E. McKenney
2023-07-17 18:11 ` [PATCH rcu 13/13] rcuscale: Add CONFIG_PREEMPT_DYNAMIC=n to TRACE01 scenario Paul E. McKenney
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