From: Michael Wang <[email protected]> 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 <[email protected]> Signed-off-by: Paul E. McKenney <[email protected]> --- kernel/rcutree_trace.c | 24 ++++++++++++++++++++++++ 1 files changed, 24 insertions(+), 0 deletions(-) diff --git a/kernel/rcutree_trace.c b/kernel/rcutree_trace.c index bbfb6e2..db46464 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, -- 1.7.8 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
