From: Michael Wang Date: Mon, 8 Oct 2012 08:59:18 +0000 (+0800) Subject: rcu: split 'rcugp' to each flavor X-Git-Tag: next-20121024~29^2^2~3 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=5c44879317d486f2b55d861fb99bc220886b8794;p=karo-tx-linux.git rcu: split 'rcugp' to each flavor This patch add new 'rcugp' to each flavor's folder, now we could use: 'cat /debugfs/rcu/rsp/rcugp' 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 b6fd147efb1a..bbfb6e21d324 100644 --- a/kernel/rcutree_trace.c +++ b/kernel/rcutree_trace.c @@ -357,6 +357,26 @@ static const struct file_operations rcugp_fops = { .release = single_release, }; +static int new_show_rcugp(struct seq_file *m, void *v) +{ + struct rcu_state *rsp = (struct rcu_state *)m->private; + show_one_rcugp(m, rsp); + return 0; +} + +static int new_rcugp_open(struct inode *inode, struct file *file) +{ + return single_open(file, new_show_rcugp, inode->i_private); +} + +static const struct file_operations new_rcugp_fops = { + .owner = THIS_MODULE, + .open = new_rcugp_open, + .read = seq_read, + .llseek = no_llseek, + .release = seq_release, +}; + static void print_one_rcu_pending(struct seq_file *m, struct rcu_data *rdp) { if (!rdp->beenonline) @@ -465,6 +485,12 @@ static int __init rcutree_trace_init(void) goto free_out; } #endif + + retval = debugfs_create_file("rcugp", 0444, + rspdir, rsp, &new_rcugp_fops); + if (!retval) + goto free_out; + } retval = debugfs_create_file("rcubarrier", 0444, rcudir,