From: Michael Wang Date: Thu, 20 Sep 2012 00:51:02 +0000 (+0800) Subject: rcu: Create directory for each flavor of rcu X-Git-Tag: next-20121024~29^2^2~13 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b1135aec637c3b86d8a94e96b04c24c276dde387;p=karo-tx-linux.git 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 Signed-off-by: Paul E. McKenney --- diff --git a/kernel/rcutree_trace.c b/kernel/rcutree_trace.c index 693513bc50e6..62223a27f985 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)