From: "Paul E. McKenney" <paulmck@kernel.org>
To: frederic@kernel.org, rcu@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, kernel-team@meta.com,
rostedt@goodmis.org, "Paul E. McKenney" <paulmck@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
Subject: [PATCH rcu 11/12] rcutorture: Add light-weight SRCU scenario
Date: Wed, 9 Oct 2024 11:07:18 -0700 [thread overview]
Message-ID: <20241009180719.778285-11-paulmck@kernel.org> (raw)
In-Reply-To: <ff986c31-9cd0-45e5-aa31-9aedf582325f@paulmck-laptop>
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>
---
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 98b6175e5aa09..45f572570a8c3 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 0000000000000..3b4fa8dbef8a9
--- /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 0000000000000..0207b3138c5be
--- /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 ce0694fd9b929..b54cf87dc1103 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 a323d8948b7cf..759ee51d3ddc6 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
--
2.40.1
next prev parent reply other threads:[~2024-10-09 18:07 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <ff986c31-9cd0-45e5-aa31-9aedf582325f@paulmck-laptop>
2024-10-09 18:07 ` [PATCH rcu 01/12] srcu: Rename srcu_might_be_idle() to srcu_should_expedite() Paul E. McKenney
2024-10-14 8:56 ` Neeraj Upadhyay
2024-10-09 18:07 ` [PATCH rcu 02/12] srcu: Introduce srcu_gp_is_expedited() helper function Paul E. McKenney
2024-10-14 8:57 ` Neeraj Upadhyay
2024-10-09 18:07 ` [PATCH rcu 03/12] srcu: Renaming in preparation for additional reader flavor Paul E. McKenney
2024-10-14 9:10 ` Neeraj Upadhyay
2024-10-14 16:52 ` Paul E. McKenney
2024-10-15 3:25 ` Neeraj Upadhyay
2024-10-09 18:07 ` [PATCH rcu 04/12] srcu: Bit manipulation changes " Paul E. McKenney
2024-10-14 9:12 ` Neeraj Upadhyay
2024-10-14 16:51 ` Paul E. McKenney
2024-10-15 3:32 ` Neeraj Upadhyay
2024-10-09 18:07 ` [PATCH rcu 05/12] srcu: Standardize srcu_data pointers to "sdp" and similar Paul E. McKenney
2024-10-14 9:15 ` Neeraj Upadhyay
2024-10-14 16:49 ` Paul E. McKenney
2024-10-15 0:29 ` Paul E. McKenney
2024-10-15 5:10 ` Neeraj Upadhyay
2024-10-09 18:07 ` [PATCH rcu 06/12] srcu: Add srcu_read_lock_lite() and srcu_read_unlock_lite() Paul E. McKenney
2024-11-11 12:54 ` Neeraj Upadhyay
2024-11-11 15:26 ` Paul E. McKenney
2024-11-11 16:51 ` Neeraj Upadhyay
2024-11-12 1:28 ` Paul E. McKenney
2024-11-12 3:15 ` Neeraj Upadhyay
2024-10-09 18:07 ` [PATCH rcu 07/12] srcu: Allow inlining of __srcu_read_{,un}lock_lite() Paul E. McKenney
2024-10-09 18:07 ` [PATCH rcu 08/12] rcutorture: Expand RCUTORTURE_RDR_MASK_[12] to eight bits Paul E. McKenney
2024-10-09 18:07 ` [PATCH rcu 09/12] rcutorture: Add reader_flavor parameter for SRCU readers Paul E. McKenney
2024-10-09 18:07 ` [PATCH rcu 10/12] rcutorture: Add srcu_read_lock_lite() support to rcutorture.reader_flavor Paul E. McKenney
2024-10-09 18:07 ` Paul E. McKenney [this message]
2024-10-09 18:07 ` [PATCH rcu 12/12] refscale: Add srcu_read_lock_lite() support using "srcu-lite" Paul E. McKenney
2024-10-10 15:38 ` Frederic Weisbecker
2024-10-10 16:06 ` Paul E. McKenney
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