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@kernel.org>

diff --git a/tools/testing/selftests/rcutorture/configs/rcu/CFLIST b/tools/testing/selftests/rcutorture/configs/rcu/CFLIST
index dfb1817..f2b20db 100644 (file)
--- 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 (file)
--- 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 (file)
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 (file)
index 0000000..9675ad6
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TRACE02.boot
@@ -0,0 +1 @@
+rcutorture.torture_type=tasks-tracing