Commit-ID: f60cb4d4c8e568c2d63d01d72e589c4f75ee4140
Gitweb: http://git.kernel.org/tip/f60cb4d4c8e568c2d63d01d72e589c4f75ee4140
Author: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
AuthorDate: Wed, 19 Apr 2017 13:43:21 -0700
Committer: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
CommitDate: Thu, 8 Jun 2017 08:25:28 -0700
rcuperf: Add test for dynamically initialized srcu_struct
This commit adds a perf_type of "srcud", which species that rcuperf
test SRCU on a dynamically initialized srcu_struct.
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
---
kernel/rcu/rcuperf.c | 31 ++++++++++++++++++++++++++++++-
1 file changed, 30 insertions(+), 1 deletion(-)
diff --git a/kernel/rcu/rcuperf.c b/kernel/rcu/rcuperf.c
index e1ce97b..5158ddb 100644
--- a/kernel/rcu/rcuperf.c
+++ b/kernel/rcu/rcuperf.c
@@ -254,6 +254,35 @@ static struct rcu_perf_ops srcu_ops = {
.name = "srcu"
};
+static struct srcu_struct srcud;
+
+static void srcu_sync_perf_init(void)
+{
+ srcu_ctlp = &srcud;
+ init_srcu_struct(srcu_ctlp);
+}
+
+static void srcu_sync_perf_cleanup(void)
+{
+ cleanup_srcu_struct(srcu_ctlp);
+}
+
+static struct rcu_perf_ops srcud_ops = {
+ .ptype = SRCU_FLAVOR,
+ .init = srcu_sync_perf_init,
+ .cleanup = srcu_sync_perf_cleanup,
+ .readlock = srcu_perf_read_lock,
+ .readunlock = srcu_perf_read_unlock,
+ .started = NULL,
+ .completed = srcu_perf_completed,
+ .exp_completed = srcu_perf_completed,
+ .async = srcu_call_rcu,
+ .gp_barrier = srcu_rcu_barrier,
+ .sync = srcu_perf_synchronize,
+ .exp_sync = srcu_perf_synchronize_expedited,
+ .name = "srcud"
+};
+
/*
* Definitions for sched perf testing.
*/
@@ -622,7 +651,7 @@ rcu_perf_init(void)
long i;
int firsterr = 0;
static struct rcu_perf_ops *perf_ops[] = {
- &rcu_ops, &rcu_bh_ops, &srcu_ops, &sched_ops,
+ &rcu_ops, &rcu_bh_ops, &srcu_ops, &srcud_ops, &sched_ops,
RCUPERF_TASKS_OPS
};
--
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