From: Michael Wang Date: Mon, 8 Oct 2012 08:59:19 +0000 (+0800) Subject: rcu: split 'rcuhier' to each flavor X-Git-Tag: next-20121024~29^2^2~2 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c81c0b530c2874c2aff9000ade67fa5b5a3fe82b;p=karo-tx-linux.git rcu: split 'rcuhier' to each flavor This patch add new 'rcuhier' to each flavor's folder, now we could use: 'cat /debugfs/rcu/rsp/rcuhier' to get the selected rsp info. Signed-off-by: Michael Wang Signed-off-by: Paul E. McKenney --- diff --git a/kernel/rcutree_trace.c b/kernel/rcutree_trace.c index bbfb6e21d324..db46464563ee 100644 --- a/kernel/rcutree_trace.c +++ b/kernel/rcutree_trace.c @@ -313,6 +313,26 @@ static const struct file_operations rcuhier_fops = { .release = single_release, }; +static int new_show_rcuhier(struct seq_file *m, void *v) +{ + struct rcu_state *rsp = (struct rcu_state *)m->private; + print_one_rcu_state(m, rsp); + return 0; +} + +static int new_rcuhier_open(struct inode *inode, struct file *file) +{ + return single_open(file, new_show_rcuhier, inode->i_private); +} + +static const struct file_operations new_rcuhier_fops = { + .owner = THIS_MODULE, + .open = new_rcuhier_open, + .read = seq_read, + .llseek = no_llseek, + .release = seq_release, +}; + static void show_one_rcugp(struct seq_file *m, struct rcu_state *rsp) { unsigned long flags; @@ -491,6 +511,10 @@ static int __init rcutree_trace_init(void) if (!retval) goto free_out; + retval = debugfs_create_file("rcuhier", 0444, + rspdir, rsp, &new_rcuhier_fops); + if (!retval) + goto free_out; } retval = debugfs_create_file("rcubarrier", 0444, rcudir,