Commit-ID: 573bcd40d221bd6d7cebf27dee120bd242f5feb5
Gitweb: http://git.kernel.org/tip/573bcd40d221bd6d7cebf27dee120bd242f5feb5
Author: Michael Wang <wangyun@xxxxxxxxxxxxxxxxxx>
AuthorDate: Thu, 20 Sep 2012 08:51:02 +0800
Committer: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
CommitDate: Thu, 8 Nov 2012 11:50:14 -0800
rcu: Create directory for each flavor of rcu
This patch will create subdirectory according to each flavor of rcu, the new
structure will be:
/debugfs/rcu/ -> rsp_0
-> rsp_1
-> ...
So we can go to '/debugfs/rcu/rsp_0' and get the cpu info of rsp_0 there.
The flavors of RCU are currently rcu_bh, rcu_preempt, and rcu_sched.
Signed-off-by: Michael Wang <wangyun@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
---
kernel/rcutree_trace.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/kernel/rcutree_trace.c b/kernel/rcutree_trace.c
index 693513b..62223a2 100644
--- a/kernel/rcutree_trace.c
+++ b/kernel/rcutree_trace.c
@@ -446,12 +446,20 @@ static struct dentry *rcudir;
static int __init rcutree_trace_init(void)
{
+ struct rcu_state *rsp;
struct dentry *retval;
+ struct dentry *rspdir;
rcudir = debugfs_create_dir("rcu", NULL);
if (!rcudir)
goto free_out;
+ for_each_rcu_flavor(rsp) {
+ rspdir = debugfs_create_dir(rsp->name, rcudir);
+ if (!rspdir)
+ goto free_out;
+ }
+
retval = debugfs_create_file("rcubarrier", 0444, rcudir,
NULL, &rcubarrier_fops);
if (!retval)
--
To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
|