From: Michael Wang <[email protected]> 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 <[email protected]> Signed-off-by: Paul E. McKenney <[email protected]> --- kernel/rcutree_trace.c | 26 ++++++++++++++++++++++++++ 1 files changed, 26 insertions(+), 0 deletions(-) diff --git a/kernel/rcutree_trace.c b/kernel/rcutree_trace.c index b6fd147..bbfb6e2 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, -- 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/
