[tip: core/rcu] rcutorture: Add TRACE02 scenario enabling RCU Tasks Trace IPIs

[tip-bot2 for Paul E. McKenney]

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

Commit-ID:     039f3cc93aa07a90ad5df95d7820b67b0689126d
Gitweb:        https://git.kernel.org/tip/039f3cc93aa07a90ad5df95d7820b67b0689126d
Author:        Paul E. McKenney <paulmck@xxxxxxxxxx>
AuthorDate:    Tue, 24 Mar 2020 08:00:04 -07:00
Committer:     Paul E. McKenney <paulmck@xxxxxxxxxx>
CommitterDate: Mon, 27 Apr 2020 11:03:53 -07:00

rcutorture: Add TRACE02 scenario enabling RCU Tasks Trace IPIs

This commit adds a TRACE02 scenario which enables preemption and RCU
Tasks Trace IPIs, more specifically, disabling heavyweight readers.

Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
---
 tools/testing/selftests/rcutorture/configs/rcu/CFLIST       |  1 +-
 tools/testing/selftests/rcutorture/configs/rcu/TRACE01      |  1 +-
 tools/testing/selftests/rcutorture/configs/rcu/TRACE02      | 11 +++++++-
 tools/testing/selftests/rcutorture/configs/rcu/TRACE02.boot |  1 +-
 4 files changed, 14 insertions(+)
 create mode 100644 tools/testing/selftests/rcutorture/configs/rcu/TRACE02
 create mode 100644 tools/testing/selftests/rcutorture/configs/rcu/TRACE02.boot

diff --git a/tools/testing/selftests/rcutorture/configs/rcu/CFLIST b/tools/testing/selftests/rcutorture/configs/rcu/CFLIST
index dfb1817..f2b20db 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/CFLIST
+++ b/tools/testing/selftests/rcutorture/configs/rcu/CFLIST
@@ -16,3 +16,4 @@ TASKS02
 TASKS03
 RUDE01
 TRACE01
+TRACE02
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TRACE01 b/tools/testing/selftests/rcutorture/configs/rcu/TRACE01
index 078e2c1..12e7661 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/TRACE01
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TRACE01
@@ -7,4 +7,5 @@ CONFIG_PREEMPT=n
 CONFIG_DEBUG_LOCK_ALLOC=y
 CONFIG_PROVE_LOCKING=y
 #CHECK#CONFIG_PROVE_RCU=y
+CONFIG_TASKS_TRACE_RCU_READ_MB=y
 CONFIG_RCU_EXPERT=y
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TRACE02 b/tools/testing/selftests/rcutorture/configs/rcu/TRACE02
new file mode 100644
index 0000000..b69ed66
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TRACE02
@@ -0,0 +1,11 @@
+CONFIG_SMP=y
+CONFIG_NR_CPUS=4
+CONFIG_HOTPLUG_CPU=y
+CONFIG_PREEMPT_NONE=n
+CONFIG_PREEMPT_VOLUNTARY=n
+CONFIG_PREEMPT=y
+CONFIG_DEBUG_LOCK_ALLOC=n
+CONFIG_PROVE_LOCKING=n
+#CHECK#CONFIG_PROVE_RCU=n
+CONFIG_TASKS_TRACE_RCU_READ_MB=n
+CONFIG_RCU_EXPERT=y
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TRACE02.boot b/tools/testing/selftests/rcutorture/configs/rcu/TRACE02.boot
new file mode 100644
index 0000000..9675ad6
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TRACE02.boot
@@ -0,0 +1 @@
+rcutorture.torture_type=tasks-tracing