From: Frederic Weisbecker <frederic@kernel.org>
To: LKML <linux-kernel@vger.kernel.org>
Cc: "Paul E. McKenney" <paulmck@kernel.org>,
Boqun Feng <boqun.feng@gmail.com>,
Joel Fernandes <joel@joelfernandes.org>,
Josh Triplett <josh@joshtriplett.org>,
Lai Jiangshan <jiangshanlai@gmail.com>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Neeraj Upadhyay <neeraj.upadhyay@amd.com>,
Steven Rostedt <rostedt@goodmis.org>,
Uladzislau Rezki <urezki@gmail.com>,
Zqiang <qiang.zhang1211@gmail.com>, rcu <rcu@vger.kernel.org>,
Alexei Starovoitov <ast@kernel.org>,
Andrii Nakryiko <andrii@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Kent Overstreet <kent.overstreet@linux.dev>,
bpf@vger.kernel.org, Neeraj Upadhyay <Neeraj.Upadhyay@amd.com>,
Frederic Weisbecker <frederic@kernel.org>
Subject: [PATCH 14/16] rcutorture: Add light-weight SRCU scenario
Date: Tue, 12 Nov 2024 15:51:57 +0100 [thread overview]
Message-ID: <20241112145159.23032-15-frederic@kernel.org> (raw)
In-Reply-To: <20241112145159.23032-1-frederic@kernel.org>
From: "Paul E. McKenney" <paulmck@kernel.org>
This commit adds an rcutorture scenario that tests light-weight SRCU
readers. While in the area, it adjusts the size of the TREE10 scenario.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Kent Overstreet <kent.overstreet@linux.dev>
Cc: <bpf@vger.kernel.org>
Reviewed-by: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
---
tools/testing/selftests/rcutorture/configs/rcu/CFLIST | 1 +
tools/testing/selftests/rcutorture/configs/rcu/SRCU-L | 10 ++++++++++
.../selftests/rcutorture/configs/rcu/SRCU-L.boot | 3 +++
.../selftests/rcutorture/configs/rcu/SRCU-N.boot | 1 +
tools/testing/selftests/rcutorture/configs/rcu/TREE10 | 2 +-
5 files changed, 16 insertions(+), 1 deletion(-)
create mode 100644 tools/testing/selftests/rcutorture/configs/rcu/SRCU-L
create mode 100644 tools/testing/selftests/rcutorture/configs/rcu/SRCU-L.boot
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/CFLIST b/tools/testing/selftests/rcutorture/configs/rcu/CFLIST
index 98b6175e5aa0..45f572570a8c 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/CFLIST
+++ b/tools/testing/selftests/rcutorture/configs/rcu/CFLIST
@@ -5,6 +5,7 @@ TREE04
TREE05
TREE07
TREE09
+SRCU-L
SRCU-N
SRCU-P
SRCU-T
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-L b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-L
new file mode 100644
index 000000000000..3b4fa8dbef8a
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-L
@@ -0,0 +1,10 @@
+CONFIG_RCU_TRACE=n
+CONFIG_SMP=y
+CONFIG_NR_CPUS=6
+CONFIG_HOTPLUG_CPU=y
+CONFIG_PREEMPT_NONE=y
+CONFIG_PREEMPT_VOLUNTARY=n
+CONFIG_PREEMPT=n
+#CHECK#CONFIG_RCU_EXPERT=n
+CONFIG_KPROBES=n
+CONFIG_FTRACE=n
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-L.boot b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-L.boot
new file mode 100644
index 000000000000..0207b3138c5b
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-L.boot
@@ -0,0 +1,3 @@
+rcutorture.torture_type=srcu
+rcutorture.reader_flavor=0x4
+rcutorture.fwd_progress=3
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-N.boot b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-N.boot
index ce0694fd9b92..b54cf87dc110 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-N.boot
+++ b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-N.boot
@@ -1,2 +1,3 @@
rcutorture.torture_type=srcu
+rcutorture.reader_flavor=0x2
rcutorture.fwd_progress=3
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE10 b/tools/testing/selftests/rcutorture/configs/rcu/TREE10
index a323d8948b7c..759ee51d3ddc 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/TREE10
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE10
@@ -1,5 +1,5 @@
CONFIG_SMP=y
-CONFIG_NR_CPUS=56
+CONFIG_NR_CPUS=74
CONFIG_PREEMPT_NONE=y
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
--
2.46.0
next prev parent reply other threads:[~2024-11-12 14:53 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-12 14:51 [PATCH 00/16] SRCU for v6.13 Frederic Weisbecker
2024-11-12 14:51 ` [PATCH 01/16] srcu: Replace WARN_ON_ONCE() with BUILD_BUG_ON() if possible Frederic Weisbecker
2024-11-12 14:51 ` [PATCH 02/16] srcu: Rename srcu_might_be_idle() to srcu_should_expedite() Frederic Weisbecker
2024-11-12 14:51 ` [PATCH 03/16] srcu: Introduce srcu_gp_is_expedited() helper function Frederic Weisbecker
2024-11-12 14:51 ` [PATCH 04/16] srcu: Renaming in preparation for additional reader flavor Frederic Weisbecker
2024-11-12 14:51 ` [PATCH 05/16] srcu: Bit manipulation changes " Frederic Weisbecker
2024-11-12 14:51 ` [PATCH 06/16] srcu: Standardize srcu_data pointers to "sdp" and similar Frederic Weisbecker
2024-11-12 14:51 ` [PATCH 07/16] srcu: Improve srcu_read_lock{,_nmisafe}() comments Frederic Weisbecker
2024-11-12 14:51 ` [PATCH 08/16] srcu: Create CPP macros for normal and NMI-safe SRCU readers Frederic Weisbecker
2024-11-12 14:51 ` [PATCH 09/16] srcu: Add srcu_read_lock_lite() and srcu_read_unlock_lite() Frederic Weisbecker
2024-11-12 14:51 ` [PATCH 10/16] srcu: Allow inlining of __srcu_read_{,un}lock_lite() Frederic Weisbecker
2024-11-12 14:51 ` [PATCH 11/16] rcutorture: Expand RCUTORTURE_RDR_MASK_[12] to eight bits Frederic Weisbecker
2024-11-12 14:51 ` [PATCH 12/16] rcutorture: Add reader_flavor parameter for SRCU readers Frederic Weisbecker
2024-11-12 14:51 ` [PATCH 13/16] rcutorture: Add srcu_read_lock_lite() support to rcutorture.reader_flavor Frederic Weisbecker
2024-11-12 14:51 ` Frederic Weisbecker [this message]
2024-11-12 14:51 ` [PATCH 15/16] refscale: Add srcu_read_lock_lite() support using "srcu-lite" Frederic Weisbecker
2024-11-12 14:51 ` [PATCH 16/16] srcu: Improve srcu_read_lock_lite() kernel-doc comment Frederic Weisbecker
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